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We have used deep, HST, near-IR imaging to study the morphological properties of the most massive galaxies at high z, modelling the WFC3/IR H-band images of the ~200 galaxies in the CANDELS-UDS field with 1 < z_phot < 3, and stellar masses M_star > 10^11 M_sun. We have used both single-Sersic and bulge+disk models, hav... | យើងបានប្រើរូបភាពអ៊ីនហ្វ្រារ៉េដ៏ជ្រៅ និង HST ដើម្បីសិក្សាលក្ខណៈម៉ូរ៉ូភើឡូជីរបស់ហ្គាឡាក់ស៊ីដែលមានម៉ាសធំបំផុតនៅក្នុងតំបន់ z ខ្ពស់ ដោយធ្វើគំរូរូបភាព H-band របស់ WFC3/IR សម្រាប់ហ្គាឡាក់ស៊ីប្រហែល 200 ក្នុងវាល CANDELS-UDS ដែលមាន 1 < z_phot < 3 និងម៉ាសផ្កាយ M_star > 10^11 M_sun។ យើងបានប្រើគំរូ Sersic តែមួយ និងគំរូផ្នែកកណ្តាល... | km |
Computational procedures to foresee the 3D structure of aptamers are in continuous progress. They constitute a crucial input to research, mainly when the crystallographic counterpart of the structures in silico produced is not present. At now, many codes are able to perform structure and binding prediction, although th... | Procedure computazionali per prevedere la struttura 3D degli aptameri sono in continuo sviluppo. Esse costituiscono un input fondamentale per la ricerca, soprattutto quando non è disponibile la controparte cristallografica delle strutture prodotte in silico. Attualmente, molti codici sono in grado di eseguire prevision... | it |
As a generalized uncertainty principle (GUP) leads to the effects of the minimal length of the order of the Planck scale and UV/IR mixing, some significant physical concepts and quantities are modified or corrected correspondingly. On the one hand, we derive the maximally localized states --- the physical states displa... | Dahil ang isang pangkalahatang prinsipyo ng kawalan ng katiyakan (GUP) ay nagdudulot ng mga epekto ng pinakamaliit na haba na nasa order ng Planck scale at ng UV/IR mixing, ang ilang mahahalagang konsepto at dami sa pisika ay naaayos o binabago nang naaayon. Sa isang banda, hinango namin ang mga ganap na lokal na estad... | tl |
The prompt optical emission of GRB 990123 was uncorrelated to the gamma-ray light-curve and exhibited temporal properties similar to those of the steeply-decaying, early X-ray emission observed by Swift at the end of many bursts. These facts suggest that the optical counterpart of GRB 990123 was the large-angle emissio... | GRB 990123의 초기 광학 방출은 감마선 광도 곡선과 무상관하였으며, Swift가 많은 폭발의 끝부분에서 관측한 급격히 감쇠하는 초기 X선 방출과 유사한 시간적 특성을 나타냈다. 이러한 사실들은 GRB 990123의 광학 대응체가 폭발 동안(두 번째 펄스에서) 방출된 대각도 방출에 기인했음을 시사한다. 만약 GRB 990123의 광학 방출과 감마선 방출이 실제로 동일한 기원을 가진다면, 그 성질은 다음의 조건들을 요구한다. (i) 광학 대응체는 싱크로트론 방출이며 감마선은 역컴프턴 산란에서 비롯된 것이어야 하며("싱크로트론 자기-컴프턴 모형"), (ii) 광학 ... | ko |
Given a compact basic semi-algebraic set $K\subset R^n\times R^m$, a simple set $B$ (box or ellipsoid), and some semi-algebraic function $f$, we consider sets defined with quantifiers, of the form $R_f:=\{x\in B: \mbox{$f(x,y)\leq 0$ for all $y$ such that $(x,y)\in K$}\}$ and $D_f:=\{x\in B: \mbox{$f(x,y)\geq 0$ for so... | ایک مکمل بنیادی نیم الجبری سیٹ $K\subset R^n\times R^m$، ایک سادہ سیٹ $B$ (بکس یا الیپسوائیڈ)، اور کچھ نیم الجبری فنکشن $f$ کو مدنظر رکھتے ہوئے، ہم ان سیٹس پر غور کرتے ہیں جو کوانٹیفائیرز کے ساتھ تعریف کیے گئے ہیں، جیسے $R_f:=\{x\in B: \mbox{$f(x,y)\leq 0$ تمام $y$ کے لیے کہ $(x,y)\in K$}\}$ اور $D_f:=\{x\in B: \mbox{$... | ur |
Efficient exploration remains a challenging problem in reinforcement learning, especially for those tasks where rewards from environments are sparse. A commonly used approach for exploring such environments is to introduce some "intrinsic" reward. In this work, we focus on model uncertainty estimation as an intrinsic r... | Эффективное исследование по-прежнему остаётся сложной задачей в обучении с подкреплением, особенно для задач, в которых награды из окружающей среды являются редкими. Распространённым подходом к исследованию таких сред является введение некоторой «внутренней» награды. В данной работе мы сосредоточимся на оценке неопреде... | ru |
Multicomponent bilayer structures arise as the ubiquitous plasma membrane in cellular biology and as blends of amphiphilic copolymers used in electrolyte membranes, drug delivery, and emulsion stabilization within the context of synthetic chemistry. We develop the multicomponent functionalized Cahn-Hilliard (mFCH) free... | تظهر هياكل طبقية متعددة المكونات باعتبارها غشاء بلازمي شائع في علم الأحياء الخلوي، وكذلك باعتبارها خلطات من بوليمرات مشتركة مزدوجة القطب تُستخدم في أغشية الإلكتروليت، وتوصيل الأدوية، واستقرار المستحلبات في سياق الكيمياء التخليقية. نُطور الطاقة الحرة متعددة المكونات لوظيفة كاهن-هيليارد المُعدَّلة (mFCH) كنموذج يسمح بحدو... | ar |
Estimating a covariance matrix is an important task in applications where the number of variables is larger than the number of observations. Shrinkage approaches for estimating a high-dimensional covariance matrix are often employed to circumvent the limitations of the sample covariance matrix. A new family of nonparam... | Оценка ковариационной матрицы является важной задачей в приложениях, где количество переменных превышает количество наблюдений. Для преодоления ограничений выборочной ковариационной матрицы часто применяются методы сжатия (shrinkage) при оценке многомерной ковариационной матрицы. Предложено новое семейство непараметрич... | ru |
Computational procedures to foresee the 3D structure of aptamers are in continuous progress. They constitute a crucial input to research, mainly when the crystallographic counterpart of the structures in silico produced is not present. At now, many codes are able to perform structure and binding prediction, although th... | 적합체(aptamer)의 3차원 구조를 예측하기 위한 계산 절차는 지속적으로 발전하고 있다. 이러한 절차는 구조가 인 실리코(in silico)로 생성되었지만 결정학적 데이터가 존재하지 않을 때 연구에 매우 중요한 정보를 제공한다. 현재 많은 프로그램들이 구조 및 결합 예측을 수행할 수 있지만, 결과를 평가하는 능력은 여전히 제한적이다. 본 논문에서는 결합 성능이 알려진 일련의 항안지오포이에틴 적합체에 자유 도킹 프로그램의 순위 산출 결과를 보완하기 위한 새로운 절차를 제안한다. 우리는 생성된 인 실리코 구조들을 그들의 위상학적 및 전기적 특성에 기반한 최대우도추정법... | ko |
Equipping machines with comprehensive knowledge of the world's entities and their relationships has been a long-standing goal of AI. Over the last decade, large-scale knowledge bases, also known as knowledge graphs, have been automatically constructed from web contents and text sources, and have become a key asset for ... | 为机器配备关于世界实体及其相互关系的全面知识，一直是人工智能的长期目标。在过去十年中，大规模知识库（也称为知识图谱）已从网络内容和文本来源中自动构建，并已成为搜索引擎的关键资产。这种机器知识可用于对新闻、社交媒体和网络表格中的文本短语进行语义解释，并有助于问答系统、自然语言处理和数据分析。本文综述了构建和管理大规模知识库的基本概念与实用方法。内容涵盖用于发现和规范化实体及其语义类型，并将其组织成清晰分类体系的模型与方法。在此基础上，本文进一步讨论了以实体为中心的属性的自动抽取。为支持机器知识的长期生命周期和质量保障，本文介绍了构建开放模式和知识管理的方法。通过对学术项目和工业知识图谱的案例研究，补充说明了相关概念与方法。 | zh |
Choosing a decision threshold is one of the challenging job in any classification tasks. How much the model is accurate, if the deciding boundary is not picked up carefully, its entire performance would go in vain. On the other hand, for imbalance classification where one of the classes is dominant over another, relyin... | Escolher um limiar de decisão é um dos trabalhos desafiadores em qualquer tarefa de classificação. Por mais que o modelo seja preciso, se o limite decisório não for escolhido cuidadosamente, todo o seu desempenho será em vão. Por outro lado, em classificações desbalanceadas, nas quais uma das classes é dominante em rel... | pt |
Very-long baseline interferometric observations have resolved structure on scales of only a few Schwarzschild radii around the supermassive black holes at the centers of our Galaxy and M87. In the near future, such observations are expected to image the shadows of these black holes together with a bright and narrow rin... | 매우 긴 기준선 간섭 측정 관측을 통해 우리 은하와 M87 은하 중심부에 있는 초거대 블랙홀 주변의 수 개 슈바르츠실트 반지름 정도의 규모에서 구조를 해상할 수 있었다. 가까운 장래에 이러한 관측을 통해 이 블랙홀들의 그림자와 그 주변을 둘러싼 밝고 좁은 고리를 동시에 이미지화할 것으로 기대되고 있다. 커 블랙홀의 경우, 블랙홀의 회전 속도가 매우 빠르지 않은 한 광자 고리의 모양은 거의 원형에 가깝다. 그러나 천체물리학적 블랙홀이 실제로 '노헤어 정리'에 담긴 커 계량으로 정확히 기술되는지 여부는 여전히 검증되지 않은 가정으로 남아 있다. 커 블랙홀과 다른 블랙홀의... | ko |
Given a compact basic semi-algebraic set $K\subset R^n\times R^m$, a simple set $B$ (box or ellipsoid), and some semi-algebraic function $f$, we consider sets defined with quantifiers, of the form $R_f:=\{x\in B: \mbox{$f(x,y)\leq 0$ for all $y$ such that $(x,y)\in K$}\}$ and $D_f:=\{x\in B: \mbox{$f(x,y)\geq 0$ for so... | Компакттық, негізгі жартылай алгебралық $K\subset R^n\times R^m$ жиыны, қарапайым жиын $B$ (қорап немесе эллипсоид) және кейбір жартылай алгебралық $f$ функциясы берілсін. Біз $R_f:=\{x\in B: \mbox{$f(x,y)\leq 0$ барлық $y$ үшін, мұндағы $(x,y)\in K$}\}$ және $D_f:=\{x\in B: \mbox{$f(x,y)\geq 0$ кейбір $y$ үшін, мұндағ... | kk |
We investigate with polarized microphotoluminescence the optical pumping of the valley degree of freedom in charge-tunable MoS2 monolayers encapsulated with hexagonal boron nitride at cryogenic temperatures. We report a large steady state valley polarization of the different excitonic complexes following circularly-pol... | Investigamos com microfotoluminescência polarizada o bombeamento óptico do grau de liberdade de vale em monocamadas de MoS2 com carga ajustável, encapsuladas com nitreto de boro hexagonal, em temperaturas criogênicas. Relatamos uma grande polarização de vale em estado estacionário dos diferentes complexos excitônicos a... | pt |
One way to recognise an object is to study how the echo has been shaped during the interaction with the target. Wideband sonar allows the study of the energy distribution for a large range of frequencies. The frequency distribution contains information about an object, including its inner structure. This information is... | Один из способов распознавания объекта заключается в изучении формы эха, сформировавшейся в результате взаимодействия с целью. Широкополосная гидролокация позволяет исследовать распределение энергии в широком диапазоне частот. Частотное распределение содержит информацию об объекте, включая его внутреннюю структуру. Эта... | ru |
We present results of systematic studies of the radiation response of superheated liquid droplet detectors, which are used in the PICASSO dark matter search experiment. This detection technique is based on the phase transitions of superheated liquid Freon droplets dispersed and trapped in a polymerized gel. Phase trans... | PICASSOのダークマター探索実験で使用されている過熱液体ドロップ検出器の放射線応答に関する体系的研究の結果を報告する。この検出技術は、重合性ゲル中に分散・捕捉された過熱液体フロンのドロップの相転移に基づいている。相転移は粒子相互作用に続く原子核反跳によって誘発され、特に弱い相互作用を持つ大質量粒子（WIMPs）との相互作用によっても引き起こされる。これらの検出器は、相転移を引き起こすために最小限のエネルギー付与が必要であるため、しきい値型の装置である。また、さまざまな種類の放射線に対する感度は、動作温度および圧力に強く依存する。中性子、アルファ粒子、ガンマ線に対する感度をこれらの動作パラメータの関数として決定し、その結果をシミュ... | ja |
We interpret the newly observed muon g-2 anomaly in the framework of a leptonic Higgs doublet model with nearly degenerate neutrino masses and nearly bi-maximal neutrino mixing. Useful constraints are obtained on the rates of lepton-flavor-violating rare decays $\tau \to \mu \gamma$, $\mu \to e \gamma$ and $\tau \to e ... | ພວມຕີຄວາມຜິດປົກກະຕິຂອງມູໂອນ g-2 ທີ່ສັງເກດເຫັນໃໝ່ໃນແບບຈຳລອງຂອງເດີບເຟິດຮິກສ໌ທີ່ເປັນເລືອດເທິງກັບມວນນິວໂຕຣນທີ່ເກືອບຈະຄືກັນ ແລະ ການປົນກັນຂອງນິວໂຕຣນທີ່ເກືອບຈະມີຄ່າສູງສຸດສອງດ້ານ. ພວກເຮົາໄດ້ຮັບຂໍ້ຈຳກັດທີ່ເປັນປະໂຫຍດຕໍ່ອັດຕາຂອງການສະຫຼາຍທີ່ລະເບີດທີ່ຂາດຄວາມສອດຄ່ອງກັບລັກສະນະຂອງເລືອດເທິງ $\tau \to \mu \gamma$, $\mu \to e \gamma$ ແລະ... | lo |
In this paper, we analyze a composite decode-and-forward scheme for the two-way relay channel with a direct link. During transmission, our scheme combines both block Markov coding and an independent coding scheme similar to network coding at the relay. The main contribution of this work is to examine how link state imp... | Sa papel na ito, sinusuri namin ang isang komposityong decode-and-forward na pamamaraan para sa two-way relay channel na may direktang link. Sa panahon ng paghahatid, pinagsasama ng aming pamamaraan ang block Markov coding at isang independiyenteng pamamaraan sa pagco-coding na katulad ng network coding sa relay. Ang p... | tl |
The celebrated quantum no-cloning theorem states that an arbitrary quantum state cannot be cloned perfectly. This raises questions about cloning of classical states, which have also attracted attention. Here, we present a physical approach to the classical cloning process showing how cloning can be realised using Hamil... | Il celebre teorema quantistico di impossibilità della clonazione afferma che uno stato quantistico arbitrario non può essere clonato perfettamente. Ciò solleva interrogativi riguardo alla clonazione di stati classici, argomento che ha anch'esso attirato attenzione. Qui presentiamo un approccio fisico al processo di clo... | it |
The celebrated quantum no-cloning theorem states that an arbitrary quantum state cannot be cloned perfectly. This raises questions about cloning of classical states, which have also attracted attention. Here, we present a physical approach to the classical cloning process showing how cloning can be realised using Hamil... | Das berühmte quantenmechanische No-Cloning-Theorem besagt, dass ein beliebiger Quantenzustand nicht perfekt kopiert werden kann. Dies wirft Fragen zum Klonen klassischer Zustände auf, das ebenfalls Beachtung gefunden hat. Hier stellen wir einen physikalischen Ansatz zum klassischen Klonvorgang vor, der zeigt, wie Klone... | de |
Humans have a remarkable ability to predict the effect of physical interactions on the dynamics of objects. Endowing machines with this ability would allow important applications in areas like robotics and autonomous vehicles. In this work, we focus on predicting the dynamics of 3D rigid objects, in particular an objec... | ມະນຸດມີຄວາມສາມາດອັນຫນ້າປະຫລາດໃຈໃນການຄາດເດົາຜົນກະທົບຂອງການມີສ່ວນຮ່ວມທາງດ້ານຮູບກາຍທີ່ມີຕໍ່ຈັງຫວະຂອງວັດຖຸ. ການສະຫນອງເຄື່ອງຈັກດ້ວຍຄວາມສາມາດນີ້ຈະເຮັດໃຫ້ເກີດການນຳໃຊ້ທີ່ສຳຄັນໃນຂົງເຂດຕ່າງໆເຊັ່ນ: ຮູບກາຍຍົນ ແລະ ລົດທີ່ຂັບເຄື່ອນຕາມລຳພາງ. ໃນວຽກງານນີ້, ພວກເຮົາມຸ່ງເນັ້ນການຄາດເດົາຈັງຫວະຂອງວັດຖຸແຂງ 3D, ໂດຍສະເພາະຕຳແຫນ່ງສຸດທ້າຍຂອງວັດຖຸ ແ... | lo |
Let $\delta=(\delta_1,\ldots,\delta_n)$ be a string of letters $h$ and $v$. We define a Young tableau to be $\delta$-semistandard if the entries are weakly increasing along rows and columns, and the entries $i$ form a horizontal strip if $\delta_i=h$ and a vertical strip if $\delta_i=v$. We define $\delta$-promotion on... | Пусть $\delta=(\delta_1,\ldots,\delta_n)$ — строка, состоящая из букв $h$ и $v$. Мы определяем молодёжную таблицу как $\delta$-полустандартную, если её элементы слабо возрастают вдоль строк и столбцов, а элементы $i$ образуют горизонтальную полосу, если $\delta_i=h$, и вертикальную полосу, если $\delta_i=v$. Мы определ... | ru |
Biomedical ontology refers to a shared conceptualization for a biomedical domain of interest that has vastly improved data management and data sharing through the open data movement. The rapid growth and availability of biomedical data make it impractical and computationally expensive to perform manual analysis and que... | বায়োমেডিকেল অনটোলজি হল একটি বায়োমেডিকেল ক্ষেত্রের জন্য একটি ভাগ করা ধারণা যা ওপেন ডেটা আন্দোলনের মাধ্যমে ডেটা ব্যবস্থাপনা এবং ডেটা ভাগ করার ক্ষেত্রে ব্যাপক উন্নতি এনেছে। বায়োমেডিকেল ডেটার দ্রুত বৃদ্ধি এবং উপলব্ধতা বৃহৎ পরিসরের অনটোলজির সাথে হাতে করা বিশ্লেষণ এবং ক্যোয়ারী প্রক্রিয়াকরণকে অব্যবহারযোগ্য এবং গণনার দিক ... | bn |
Very-long baseline interferometric observations have resolved structure on scales of only a few Schwarzschild radii around the supermassive black holes at the centers of our Galaxy and M87. In the near future, such observations are expected to image the shadows of these black holes together with a bright and narrow rin... | لقد تمكنت الملاحظات التداخلية ذات القاعدة الطويلة جدًا من تحليل هياكل بأحجام لا تتجاوز بضع أشعة شفارشيلد حول الثقوب السوداء الفائقة الكتلة الواقعة في مراكز مجرتنا وM87. ومن المتوقع أن تُصوّر هذه الملاحظات في المستقبل القريب ظلال هذه الثقوب السوداء مع حلقة لامعة وضيقة تحيط بتلك الظلال. بالنسبة للثقب الأسود من نوع كِر، ت... | ar |
We investigate dust entrainment by photoevaporative winds in protoplanetary discs using dusty smoothed particle hydrodrodynamics (SPH). We use unequal-mass particles to resolve more than five orders of magnitude in disc/outflow density and a one-fluid formulation to efficiently simulate an equivalent magnitude range in... | Kami menyelidiki terbawanya debu oleh angin fotoevaporasi dalam piringan protoplanet menggunakan hidrodinamika partikel terhalus (SPH) berdebu. Kami menggunakan partikel bermassa tidak sama untuk menyelesaikan lebih dari lima orde magnitudo dalam kerapatan piringan/aliran keluar serta formulasi satu-fluida untuk secara... | id |
Recently, the compositeness, defined as the norm of a two-body wave function for bound and resonance states, has been investigated to discuss the internal structure of hadrons in terms of hadronic molecular components. From the studies of the compositeness, it has been clarified that the two-body wave function of a bou... | Gần đây, đại lượng tính chất hỗn hợp, được định nghĩa là chuẩn của hàm sóng hai thân đối với các trạng thái liên kết và trạng thái cộng hưởng, đã được nghiên cứu nhằm thảo luận cấu trúc bên trong của các hadron thông qua các thành phần phân tử hadron. Từ các nghiên cứu về tính chất hỗn hợp, người ta đã làm rõ rằng hàm ... | vi |
A well studied special case of bin packing is the 3-partition problem, where n items of size > 1/4 have to be packed in a minimum number of bins of capacity one. The famous Karmarkar-Karp algorithm transforms a fractional solution of a suitable LP relaxation for this problem into an integral solution that requires at m... | Бин жинақтаудың жақсы зерттелген жеке түрі – 1/4-тен үлкен өлшемдегі n элементті бірлік сыйымдылықты қапшықтарға ең аз санында орналастыру керек болатын 3-бөліктеу есебі. Әйгілі Кармаркар-Карп алгоритмі осы есеп үшін қолайлы сызықтық бағдарламалау жартылай шешімін бүтін шешімге түрлендіреді, ол қосымша O(log n) қапшықт... | kk |
Kernel methods are powerful tools to capture nonlinear patterns behind data. They implicitly learn high (even infinite) dimensional nonlinear features in the Reproducing Kernel Hilbert Space (RKHS) while making the computation tractable by leveraging the kernel trick. Classic kernel methods learn a single layer of nonl... | Ang mga pamamaraan sa kernel ay makapangyarihang mga kasangkapan upang masumpungan ang mga hindi linyar na ugali sa likod ng datos. Ang mga ito ay nag-aaral nang hindi direktang mga katangiang hindi linyar sa mataas (kahit walang hanggan) na dimensyon sa Reproducing Kernel Hilbert Space (RKHS) habang ginagawang posible... | tl |
The prompt optical emission of GRB 990123 was uncorrelated to the gamma-ray light-curve and exhibited temporal properties similar to those of the steeply-decaying, early X-ray emission observed by Swift at the end of many bursts. These facts suggest that the optical counterpart of GRB 990123 was the large-angle emissio... | Die prompte optische Emission von GRB 990123 war unkorreliert mit der Gammastrahlen-Lichtkurve und zeigte zeitliche Eigenschaften, die jenen der steil abfallenden, frühen Röntgenemission ähnelten, wie sie von Swift am Ende vieler Ausbrüche beobachtet wurde. Diese Tatsachen legen nahe, dass das optische Gegenstück von G... | de |
In this study, we consider two classes of multicriteria two-stage stochastic programs in finite probability spaces with multivariate risk constraints. The first-stage problem features a multivariate stochastic benchmarking constraint based on a vector-valued random variable representing multiple and possibly conflictin... | V této studii uvažujeme dvě třídy vícekriteriálních dvoustupňových stochastických programů ve konečných pravděpodobnostních prostorech s vícerozměrnými rizikovými omezeními. První stupeň problému obsahuje vícerozměrné stochastické omezení založené na vektorové náhodné veličině, která reprezentuje více možných a zároveň... | cs |
Effectively making sense of short texts is a critical task for many real world applications such as search engines, social media services, and recommender systems. The task is particularly challenging as a short text contains very sparse information, often too sparse for a machine learning algorithm to pick up useful s... | ការយល់ដឹងបានយ៉ាងមានប្រសិទ្ធភាពចំពោះអត្ថបទខ្លី គឺជាកិច្ចការសំខាន់សម្រាប់កម្មវិធីជាក់ស្តែងជាច្រើន ដូចជា ម៉ាស៊ីនស្វែងរក សេវាកម្មបណ្តាញសង្គម និងប្រព័ន្ធដែលណែនាំផលិតផល។ កិច្ចការនេះគឺពិបាកជាពិសេស ដោយសារតែអត្ថបទខ្លីមានព័ត៌មានតិចតួចបំផុត ហើយជាញឹកញាប់ មានកំហាប់ទាបពេក ដែលធ្វើឱ្យក្បួនដោះស្រាយរៀនសូត្ររបស់ម៉ាស៊ីនពិបាកក្នុងការទាញយកស... | km |
The space of invariant affine connections on every $3$-Sasakian homogeneous manifold of dimension at least $7$ is described. In particular, the remarkable subspaces of invariant affine metric connections, and the subclass with skew-torsion, are also determined. To this aim, an explicit construction of all $3$-Sasakian ... | Lo spazio delle connessioni affini invarianti su ogni varietà omogenea 3-Sasakiana di dimensione almeno 7 viene descritto. In particolare, vengono determinati anche i notevoli sottospazi delle connessioni affini metriche invarianti e la sottoclasse con torsione antisimmetrica. A tal fine, si presenta una costruzione es... | it |
Herschel observations of interstellar clouds support a paradigm for star formation in which filaments play a central role. One of the foundations of this paradigm is the finding, based on studies of the radial column density profiles, that nearby filaments share a common inner width of ~0.1 pc. The existence of a chara... | ការសង្កេតរបស់ហ័រស្សែល (Herschel) លើដុំពពកអន្តរផែនដីគាំទ្រគោលគំនិតមួយសម្រាប់ការបង្កើតផ្កាយ ដែលដំបូលមានតួនាទីសំខាន់។ មូលដ្ឋានមួយនៃគោលគំនិតនេះគឺការស្វែងរកដោយផ្អែកលើការសិក្សាអំពីការបំបែកជម្រៅជារង្វង់ ដែលដំបូលដែលនៅជិតគ្នាមានទទឹងខាងក្នុងដូចគ្នាប្រហែល 0.1 ភីស៊ី (pc)។ ទោះយ៉ាងណា ការមានស្ថេរភាពនៃទទឹងដំបូលបានត្រូវបានសួរ ព្រោះវាហា... | km |
The space of invariant affine connections on every $3$-Sasakian homogeneous manifold of dimension at least $7$ is described. In particular, the remarkable subspaces of invariant affine metric connections, and the subclass with skew-torsion, are also determined. To this aim, an explicit construction of all $3$-Sasakian ... | Ruang sambungan afinan tak ubah bagi setiap varieti homogen $3$-Sasakian berdimensi sekurang-kurangnya $7$ dihuraikan. Secara khusus, subruang istimewa bagi sambungan metrik afinan tak ubah, dan subkelas dengan reja miring, turut ditentukan. Bagi tujuan ini, satu pembinaan eksplisit semua varieti homogen $3$-Sasakian d... | ms |
The financial model proposed involves the liquidation process of a portfolio of $n$ assets through sell or (and) buy orders with volatility. We present the rigorous mathematical formulation of this model in a financial setting resulting to an $n$-dimensional outer parabolic Stefan problem with noise. In particular, our... | প্রস্তাবিত আর্থিক মডেলটি n সংখ্যক সম্পদের একটি পোর্টফোলিও বিক্রয় বা (এবং) ক্রয় আদেশের মাধ্যমে চুক্তির প্রক্রিয়াকে নিয়ে গঠিত যেখানে অস্থিরতা বিদ্যমান। আমরা এই মডেলের কঠোর গাণিতিক সূত্রটি আর্থিক পরিবেশে উপস্থাপন করি যা শব্দযুক্ত একটি n-মাত্রিক বহিরাগত প্যারাবোলিক স্টিফান সমস্যাতে পরিণত হয়। বিশেষত, আমাদের উদ্দেশ্য হল... | bn |
Kernel methods are powerful tools to capture nonlinear patterns behind data. They implicitly learn high (even infinite) dimensional nonlinear features in the Reproducing Kernel Hilbert Space (RKHS) while making the computation tractable by leveraging the kernel trick. Classic kernel methods learn a single layer of nonl... | Metody založené na jádrech jsou výkonnými nástroji pro zachycení nelineárních vzorů skrytých v datech. Tyto metody implicitně získávají nelineární znaky vysoké (dokonce nekonečné) dimenze v prostoru reprodukujících jader (Reproducing Kernel Hilbert Space, RKHS), přičemž umožňují proveditelné výpočty díky tzv. triku s j... | cs |
Very-long baseline interferometric observations have resolved structure on scales of only a few Schwarzschild radii around the supermassive black holes at the centers of our Galaxy and M87. In the near future, such observations are expected to image the shadows of these black holes together with a bright and narrow rin... | Ang mga obserbasyon gamit ang very-long baseline interferometry ay nakapaghiwalay ng mga istraktura sa sukat na may ilang Schwarzschild radii lamang sa paligid ng mga supermasibong black hole sa gitna ng ating Galaxy at ng M87. Sa malapit na hinaharap, inaasahan na ang gayong mga obserbasyon ay makakakuha ng imahe ng m... | tl |
One of the biggest reasons for road accidents is curvy lanes and blind turns. Even one of the biggest hurdles for new autonomous vehicles is to detect curvy lanes, multiple lanes and lanes with a lot of discontinuity and noise. This paper presents very efficient and advanced algorithm for detecting curves having desire... | หนึ่งในสาเหตุหลักของอุบัติเหตุบนท้องถนนคือช่องจราจรที่มีลักษณะโค้งเว้าและทางเลี้ยวที่มองไม่เห็น แม้แต่หนึ่งในอุปสรรคสำคัญสำหรับยานพาหนะอัตโนมัติรุ่นใหม่ คือการตรวจจับช่องจราจรที่โค้ง ช่องจราจรหลายช่อง และช่องจราจรที่มีความไม่ต่อเนื่องและสัญญาณรบกวนมาก งานวิจัยนี้นำเสนออัลกอริธึมที่มีประสิทธิภาพและทันสมัยมาก สำหรับการตร... | th |
We perform numerical simulations of a two-dimensional bidisperse granular packing subjected to both a static confining pressure and a sinusoidal dynamic forcing applied by a wall on one edge of the packing. We measure the response experienced by a wall on the opposite edge of the packing and obtain the resonant frequen... | Effettuiamo simulazioni numeriche di un impacchettamento granulare bidisperso bidimensionale sottoposto sia a una pressione di confinamento statica sia a un'azione dinamica sinusoidale applicata da una parete su un bordo dell'impacchettamento. Misuriamo la risposta subita da una parete posta sul bordo opposto dell'impa... | it |
Data for human-human spoken dialogues for research and development are currently very limited in quantity, variety, and sources; such data are even scarcer in healthcare. In this work, we investigate fast prototyping of a dialogue comprehension system by leveraging on minimal nurse-to-patient conversations. We propose ... | Les données provenant de dialogues parlés entre humains, destinées à la recherche et au développement, sont actuellement très limitées en quantité, en variété et en provenance ; elles sont encore plus rares dans le domaine de la santé. Dans ce travail, nous étudions la conception rapide d'un système de compréhension de... | fr |
We use a representative sample of 65 galaxy clusters observed with the Einstein IPC to constrain the range of cluster X-ray morphologies. We develop and apply quantitative and reproducible measures to constrain the intrinsic distributions of emission weighted centroid variation, axial ratio, orientation, and the radial... | Біз галактикалық шоғырлардың рентген морфологиясы диапазонын шектеу үшін Эйнштейн IPC-мен бақыланған 65 галактикалық шоғырдың өкілдік үлгісін қолданамыз. Біз эмиссиялық салмақталған центроид өзгерісінің, осьтік қатынастың, бағдарлаудың және радиалды түсу-төмендеудің ішкі таралуын шектеу үшін сандық және қайталанатын өл... | kk |
The galaxy M49 (NGC 4472) is the brightest early-type galaxy in the Virgo Cluster. It is located in Subcluster B and has an unusually blue, metal-poor outer halo. Planetary nebulae (PNe) are excellent tracers of diffuse galaxy and intragroup light. We present a photometric survey of PNe in the galaxy's extended halo to... | Galaxie M49 (NGC 4472) je nejjasnější galaxií raného typu ve Slunečním shluku. Nachází se v podshluku B a má neobvykle modré, chudé na kovy vnější halo. Planetařské mlhoviny (PNe) jsou vynikajícími indikátory difuzního galaktického světla a meziskupinového světla. Představujeme fotometrický průzkum PNe ve vzdáleném hal... | cs |
In this paper, we analyze a composite decode-and-forward scheme for the two-way relay channel with a direct link. During transmission, our scheme combines both block Markov coding and an independent coding scheme similar to network coding at the relay. The main contribution of this work is to examine how link state imp... | В данной статье анализируется составная схема декодирования и ретрансляции для двустороннего канала с ретранслятором и прямой связью. В процессе передачи наша схема объединяет блоковое кодирование по методу Маркова и независимое кодирование, аналогичное сетевому кодированию, на ретрансляторе. Основной вклад работы закл... | ru |
Empirical data shows that in the absence of incentives, a peer participating in a Peer-to-Peer (P2P) network wishes to free-riding. Most solutions for providing incentives in P2P networks are based on direct reciprocity, which are not appropriate for most P2P multimedia sharing networks due to the unique features exhib... | প্রায়োগিক তথ্য থেকে দেখা যায় যে পুরস্কারের অভাবে, একটি পিয়ার-টু-পিয়ার (পি২পি) নেটওয়ার্কে অংশগ্রহণকারী একজন পিয়ার মুক্তভাবে উপভোগ করতে চায়। পি২পি নেটওয়ার্কগুলিতে পুরস্কার প্রদানের জন্য অধিকাংশ সমাধান সরাসরি পারস্পরিকতা নীতির উপর ভিত্তি করে তৈরি, যা এই ধরনের নেটওয়ার্কগুলির বিশেষ বৈশিষ্ট্যের কারণে অধিকাংশ পি২পি ম... | bn |
Nonadiabatic geometric phases are only dependent on the evolution path of a quantum system but independent of the evolution details, and therefore quantum computation based on nonadiabatic geometric phases is robust against control errors. To realize nonadiabatic geometric quantum computation, it is necessary to ensure... | Fasa geometri bukan-adiabatik hanya bergantung kepada laluan evolusi sistem kuantum tetapi tidak bergantung kepada butiran evolusi, dan oleh itu pengkomputeran kuantum berdasarkan fasa geometri bukan-adiabatik adalah kukuh terhadap ralat kawalan. Untuk merealisasikan pengkomputeran kuantum geometri bukan-adiabatik, ada... | ms |
Music source separation (MSS) is the task of separating a music piece into individual sources, such as vocals and accompaniment. Recently, neural network based methods have been applied to address the MSS problem, and can be categorized into spectrogram and time-domain based methods. However, there is a lack of researc... | Hudební separace zdrojů (MSS) je úkolem rozdělit hudební skladbu na jednotlivé zdroje, jako jsou vokály a doprovod. Nedávno byly k řešení problému MSS použity metody založené na neuronových sítích, které lze kategorizovat na metody založené na spektrogramu a metody založené na časové oblasti. Existuje však nedostatek v... | cs |
We compute the expected gravitational wave signal from coalescing massive black hole (MBH) binaries at the center of galaxies in a hierarchical structure formation scenario in which seed holes of intermediate mass form far up in the dark halo merger tree. The merger history of DM halos and MBHs is followed from z=20 to... | Біз қараңғы галактикалық гало бірігу ағашының жоғарғы бөлігінде орташа массалы ұрпақтық тесіктер пайда болатын иерархиялық құрылым түзілу сценарийінде галактикалардың орталығындағы үлкен массалы қара тесіктер (ҮМҚТ) жұптарының бірігуінен туындайтын гравитациялық толқындардың күтілетін сигналын есептейміз. Қара зат гало... | kk |
Typical Hamiltonian liquids display exponential "Lyapunov instability", also called "sensitive dependence on initial conditions". Although Hamilton's equations are thoroughly time-reversible, the forward and backward Lyapunov instabilities can differ, qualitatively. In numerical work, the expected forward/backward pair... | រាវប្រភេទ Hamiltonian ធម្មតាបង្ហាញពីភាពមិនប្រក្រតីបែប "Lyapunov" ដែលកើនឡើងតាមដំណើរអេស្ប៉ូណង់ស្យែល ហៅថា "ភាពអាស្រ័យយ៉ាងប្រុងប្រយ័ត្នទៅនឹងលក្ខខណ្ឌដំបូង"។ ទោះបីជាសមីការរបស់ Hamilton មានលក្ខណៈអាចត្រឡប់ពេលវេលាបានយ៉ាងពេញលេញក៏ដោយ ភាពមិនប្រក្រតីរបស់ Lyapunov ទៅមុខ និងថយក្រោយ ក៏អាចខុសគ្នាយ៉ាងច្បាស់ក្នុងលក្ខណៈគុណភាព។ ក្នុងការងារ... | km |
We derive the second-order QCD corrections to the production of a Higgs boson recoiling against a parton with finite transverse momentum, working in the effective field theory in which the top quark contributions are integrated out. To account for quark mass effects, we supplement the effective field theory result by t... | Hango natin ang mga koreksyong QCD ng ikalawang order sa produksyon ng isang Higgs boson na tumatalbog laban sa isang parton na may hangganang transverse momentum, gamit ang teorya ng epektibong field kung saan ang mga ambag ng top quark ay inaalis. Upang isama ang epekto ng masa ng quark, dinagdagan natin ang resulta ... | tl |
We investigate dust entrainment by photoevaporative winds in protoplanetary discs using dusty smoothed particle hydrodrodynamics (SPH). We use unequal-mass particles to resolve more than five orders of magnitude in disc/outflow density and a one-fluid formulation to efficiently simulate an equivalent magnitude range in... | نحقق في احتجاز الغبار بواسطة الرياح الناتجة عن التبخر الضوئي في الأقراص الأولية الكوكبية باستخدام ديناميكا الجسيمات السلسة الغبارية (SPH). نستخدم جسيمات ذات كتل غير متساوية لتمثيل أكثر من خمسة مراتب عُظمى في كثافة القرص/التيار الخارج، وصيغة أحادية السائل لمحاكاة كفاءة مدى مكافئ في زمن توقف السحب. نجد أن الحبيبات الغبار... | ar |
We present results of systematic studies of the radiation response of superheated liquid droplet detectors, which are used in the PICASSO dark matter search experiment. This detection technique is based on the phase transitions of superheated liquid Freon droplets dispersed and trapped in a polymerized gel. Phase trans... | Presentamos los resultados de estudios sistemáticos sobre la respuesta a la radiación de detectores de gotas de líquido sobrecalentado, utilizados en el experimento de búsqueda de materia oscura PICASSO. Esta técnica de detección se basa en las transiciones de fase de gotas de Freón líquido sobrecalentado dispersas y a... | es |
We conduct a series of measurements on the thermodynamic properties of an optically-trapped strongly interacting Fermi gas, including the energy $E$, entropy $S$, and sound velocity $c$. Our model-independent measurements of $E$ and $S$ enable a precision study of the finite temperature thermodynamics. The $E(S)$ data ... | យើងបានអនុវត្តនូវការវាស់វែងជាច្រើនលើលក្ខណៈថេរមហាវិទ្យុនៃឧស្ម័នហ្វើមមី (Fermi gas) ដែលមានអន្តរកម្មខ្លាំង ហើយត្រូវបានចាប់ដោយពន្លឺ ដោយរួមបញ្ចូលទាំងថាមពល $E$ អ៊ងត្រូប៉ី $S$ និងល្បឿនសំឡេង $c$។ ការវាស់វែងដែលមិនអាស្រ័យលើគំរូរបស់យើងលើ $E$ និង $S$ ធ្វើឱ្យអាចសិក្សាលក្ខណៈថេរមហាវិទ្យុនៅសីតុណ្ហភាពមានកំណត់ដោយភាពជាក់លាក់។ ទិន្នន័យ $E... | km |
We employ the Schwinger boson mean-field approach to study the effects of arbitrary frustrated bonds and plaquettes (formed from four frustrated bonds) in two-dimensional ferro- and antiferromagnets on the spin-wave spectrum and the correlation length at finite temperatures. We distinguish between strongly frustrated b... | 우리는 2차원 강자성체 및 반강자성체에서 스핀파 스펙트럼과 유한 온도에서의 상관 길이에 미치는 임의의 프러스트레이티드 결합 및 프러스트레이티드 결합 네 개로 구성된 플라켓(병진 대칭을 가진 사각형 구조)의 영향을 연구하기 위해 슈윙거 보존 평균장 이론을 사용한다. 여기서 프러스트레이티드 결합 $J^\prime$이 스핀 기울기 임계치 $J_c$를 초과하는 경우를 강하게 프러스트레이티드된 결합(플라켓)으로, 그리고 $J^\prime < J_c$, $(J_c - J^\prime)/J_c \sim 1$인 경우를 약하게 프러스트레이티드된 결합(플라켓)으로 구분한다. 반강자성체... | ko |
We investigate with polarized microphotoluminescence the optical pumping of the valley degree of freedom in charge-tunable MoS2 monolayers encapsulated with hexagonal boron nitride at cryogenic temperatures. We report a large steady state valley polarization of the different excitonic complexes following circularly-pol... | Sinasaliksik namin sa pamamagitan ng polarized microphotoluminescence ang optical pumping ng valley degree of freedom sa charge-tunable na MoS2 monolayer na nakabalot ng hexagonal boron nitride sa cryogenic temperature. Naiuulat namin ang malaking steady-state valley polarization ng iba't ibang excitonic complex na sum... | tl |
We tested the hypothesis that simple exercises may significantly increase cerebral blood flow (CBF) and/or cerebral oxygenation. Eighteen subjects ranging in age from nineteen to thirty nine participated in a four-stage study during which measurements of end tidal CO_2 (EtCO2 - by capnometer) and local brain oxygenatio... | 我们检验了简单运动可能显著增加脑血流量（CBF）和/或脑氧合的假设。18名年龄在19至39岁之间的受试者参与了一项四阶段研究，期间测量了呼气末二氧化碳分压（EtCO2，通过二氧化碳监测仪）和局部脑氧合（通过近红外光谱（NIRS）传感器）。四个阶段分别为：1）基线期，2）呼吸训练，3）解算算术题，4）生物反馈。在呼吸训练期间，EtCO2显著升高，表明全局脑血流量显著增加；全局脑血流量的增加是基于理论模型估算得出的。在算术任务和生物反馈任务期间，局部（Fp1区域）脑氧合显著升高，但在不同受试者之间存在差异。该结果可能为脑血流和脑氧合监测以及行为调控的临床应用提供新方向。我们预计未来将对认知和记忆相关脑区的脑循环中二氧化碳调控机制进行更详... | zh |
Thin soft elastic layers serving as joints between relatively rigid bodies may function as sealants, thermal, electrical, or mechanical insulators, bearings, or adhesives. When such a joint is stressed, even though perfect adhesion is maintained, the exposed free meniscus in the thin elastic layer becomes unstable, lea... | ชั้นวัสดุยืดหยุ่นบางและนุ่ม ทำหน้าที่เป็นข้อต่อระหว่างวัตถุที่ค่อนข้างแข็ง สามารถทำหน้าที่เป็นสารซีล ฉนวนความร้อน ฉนวนไฟฟ้า ฉนวนเชิงกล ตลับลูกปืน หรือกาวติดยึด เมื่อข้อต่อเช่นนี้ถูกกระทำแรง แม้ว่าจะยังคงยึดติดกันอย่างสมบูรณ์ แต่ผิวโค้งนูนอิสระที่โผล่ออกมาของชั้นวัสดุยืดหยุ่นบางจะไม่เสถียร ส่งผลให้เกิดลักษณะนิ้วคล้ายรูป... | th |
Recently, the compositeness, defined as the norm of a two-body wave function for bound and resonance states, has been investigated to discuss the internal structure of hadrons in terms of hadronic molecular components. From the studies of the compositeness, it has been clarified that the two-body wave function of a bou... | 最近、束縛状態および共鳴状態における二体波動関数のノルムとして定義される複合性（compositeness）が、ハドロンの内部構造をハドロン分子成分という観点から議論するために研究されてきた。複合性に関する研究から、束縛状態の二体波動関数は、散乱振幅の束縛状態の極における留数から抽出可能であることが明らかになっている。特に注目すべき点は、散乱振幅から得られる二体波動関数は自動的に規格化されるということである。さらに、エネルギーに依存しない相互作用の場合には複合性が1となるのに対し、エネルギーに依存する相互作用の場合には複合性が1からずれることが示されており、これは抜けチャネル（missing-channel）の寄与として解釈できる。... | ja |
Data for human-human spoken dialogues for research and development are currently very limited in quantity, variety, and sources; such data are even scarcer in healthcare. In this work, we investigate fast prototyping of a dialogue comprehension system by leveraging on minimal nurse-to-patient conversations. We propose ... | Actualmente, los datos para diálogos hablados entre humanos destinados a investigación y desarrollo son muy limitados en cantidad, variedad y fuentes; dichos datos son aún más escasos en el ámbito de la atención sanitaria. En este trabajo, investigamos la prototipación rápida de un sistema de comprensión de diálogos ap... | es |
Computational procedures to foresee the 3D structure of aptamers are in continuous progress. They constitute a crucial input to research, mainly when the crystallographic counterpart of the structures in silico produced is not present. At now, many codes are able to perform structure and binding prediction, although th... | Вычислительные методы прогнозирования трехмерной структуры аптамеров находятся в постоянной стадии развития. Они представляют собой важный инструмент для исследований, особенно в тех случаях, когда кристаллографические аналоги структур, полученных in silico, отсутствуют. В настоящее время существует множество программ,... | ru |
Recent results from the first phase of the E787 experiment and an update on the current status are presented. From the first phase the limit on the K+ -> pi+ nu nu (pnn) branching ratio is BR(pnn) < 2.4e-9 (90%CL). An observation of the decay K+ -> pi+ mu mu has been made using two separate techniques. An observation o... | پہلے مرحلے کے E787 تجربے کے حالیہ نتائج اور موجودہ حیثیت کا ایک اپ ڈیٹ پیش کیا گیا ہے۔ پہلے مرحلے سے K+ -> pi+ nu nu (pnn) کی شاخی تناسب پر حد ہے BR(pnn) < 2.4e-9 (90%CL)۔ دو الگ الگ طریقوں کا استعمال کرتے ہوئے K+ -> pi+ mu mu کے ضعف کا مشاہدہ کیا گیا ہے۔ K+ -> pi+ gamma gamma کے ضعف کا مشاہدہ کیا گیا ہے اور دو فوٹون ک... | ur |
Choosing a decision threshold is one of the challenging job in any classification tasks. How much the model is accurate, if the deciding boundary is not picked up carefully, its entire performance would go in vain. On the other hand, for imbalance classification where one of the classes is dominant over another, relyin... | Sınıflandırma görevlerinde karar eşiği seçmek zorlu işlerden biridir. Model ne kadar doğru olursa olsun, karar sınırı dikkatli seçilmemişse, tüm performansı boşa gider. Diğer yandan, sınıflardan biri diğerine göre baskın olan dengesiz sınıflandırma durumlarında, geleneksel eşik seçme yöntemlerine güvenmek kötü performa... | tr |
We perform numerical simulations of a two-dimensional bidisperse granular packing subjected to both a static confining pressure and a sinusoidal dynamic forcing applied by a wall on one edge of the packing. We measure the response experienced by a wall on the opposite edge of the packing and obtain the resonant frequen... | Kami melakukan simulasi numerik terhadap susunan butiran dua dimensi berukuran campuran yang dikenai tekanan konfining statis dan gaya dinamis berbentuk sinusoidal yang diterapkan oleh dinding pada salah satu tepi susunan tersebut. Kami mengukur respons yang dialami oleh dinding di tepi susunan yang berlawanan dan memp... | id |
Generative Adversarial Networks (GANs) with style-based generators (e.g. StyleGAN) successfully enable semantic control over image synthesis, and recent studies have also revealed that interpretable image translations could be obtained by modifying the latent code. However, in terms of the low-level image content, trav... | 基于风格的生成对抗网络（GANs）（例如StyleGAN）成功实现了对图像生成的语义控制，近期的研究还表明，通过修改潜在编码可以获得可解释的图像变换。然而，在图像的低层次内容方面，在潜在空间中进行变换会导致对应图像出现“空间上纠缠的变化”，这在许多需要局部编辑的实际应用中是不理想的。为了解决这一问题，我们分析了“风格空间”的特性，并探索利用预训练的基于风格的生成器实现局部变换控制的可能性。具体而言，我们提出了“风格干预”方法，这是一种轻量级的基于优化的算法，能够适应任意输入图像，并在灵活的目标下生成自然的变换效果。我们在高分辨率图像的人脸属性编辑任务中验证了所提出框架的性能，该任务对照片真实感和一致性均有较高要求。大量定性结果证明了... | zh |
One way to recognise an object is to study how the echo has been shaped during the interaction with the target. Wideband sonar allows the study of the energy distribution for a large range of frequencies. The frequency distribution contains information about an object, including its inner structure. This information is... | Bir nesneyi tanımanın yollarından biri, yankının hedefle etkileşimi sırasında nasıl biçimlendiğini incelemektir. Geniş bantlı sonar, çok geniş bir frekans aralığı için enerji dağılımının incelenmesine olanak tanır. Frekans dağılımı, iç yapısı da dahil olmak üzere bir nesneyle ilgili bilgiler içerir. Bu bilgi, otomatik ... | tr |
We perform numerical simulations of a two-dimensional bidisperse granular packing subjected to both a static confining pressure and a sinusoidal dynamic forcing applied by a wall on one edge of the packing. We measure the response experienced by a wall on the opposite edge of the packing and obtain the resonant frequen... | İki boyutlu, iki farklı boyutta tanelerden oluşan bir granüler paketin, bir kenarındaki duvar tarafından uygulanan sabit bir sıkıştırma basıncına ve sinüzoidal dinamik kuvvete maruz bırakılması durumunda sayısal simülasyonlar gerçekleştiriyoruz. Paketin karşı kenarındaki duvarın tepkisini ölçerek, sabit ya da dinamik b... | tr |
Data for human-human spoken dialogues for research and development are currently very limited in quantity, variety, and sources; such data are even scarcer in healthcare. In this work, we investigate fast prototyping of a dialogue comprehension system by leveraging on minimal nurse-to-patient conversations. We propose ... | Dữ liệu về các cuộc hội thoại nói giữa người với người phục vụ nghiên cứu và phát triển hiện nay rất hạn chế về số lượng, sự đa dạng và nguồn cung cấp; tình trạng khan hiếm này còn nghiêm trọng hơn trong lĩnh vực chăm sóc sức khỏe. Trong nghiên cứu này, chúng tôi khảo sát việc tạo mẫu nhanh một hệ thống hiểu hội thoại ... | vi |
The celebrated quantum no-cloning theorem states that an arbitrary quantum state cannot be cloned perfectly. This raises questions about cloning of classical states, which have also attracted attention. Here, we present a physical approach to the classical cloning process showing how cloning can be realised using Hamil... | Định lý không sao chép lượng tử nổi tiếng khẳng định rằng không thể sao chép hoàn hảo một trạng thái lượng tử tùy ý. Điều này đặt ra những câu hỏi về việc sao chép các trạng thái cổ điển, vốn cũng đã thu hút sự chú ý. Ở đây, chúng tôi trình bày một cách tiếp cận vật lý đối với quá trình sao chép cổ điển, cho thấy cách ... | vi |
Nonadiabatic geometric phases are only dependent on the evolution path of a quantum system but independent of the evolution details, and therefore quantum computation based on nonadiabatic geometric phases is robust against control errors. To realize nonadiabatic geometric quantum computation, it is necessary to ensure... | Неадиабатические геометрические фазы зависят только от траектории эволюции квантовой системы, но не зависят от деталей эволюции, и поэтому квантовые вычисления, основанные на неадиабатических геометрических фазах, устойчивы к ошибкам управления. Для реализации неадиабатических геометрических квантовых вычислений необхо... | ru |
The discrete modeling of a large class of mechanical structures can be based on a stick-and-spring concept. We here present a stick-and-spring theory with potential application to the statics and the dynamics of such nanostructures as graphene, carbon nanotubes, viral capsids, and others. A key feature of our theory is... | Механикалық құрылымдардың үлкен класының дискреттік моделдеуі таяқша мен серіппе концепциясына негізделуі мүмкін. Біз мұнда графен, көміртегі нанотүтіктері, вирустық капсидтер және басқа да наноқұрылымдардың статикасы мен динамикасына қолданылуы мүмкін таяқша мен серіппе теориясын ұсынамыз. Біздің теориямыздың негізгі ... | kk |
The space of invariant affine connections on every $3$-Sasakian homogeneous manifold of dimension at least $7$ is described. In particular, the remarkable subspaces of invariant affine metric connections, and the subclass with skew-torsion, are also determined. To this aim, an explicit construction of all $3$-Sasakian ... | Ruang koneksi afinitas invarian pada setiap manifold homogen 3-Sasakian berdimensi paling tidak 7 dijelaskan. Secara khusus, subruang luar biasa dari koneksi afinitas metrik invarian, serta subkelas dengan torsi miring, juga ditentukan. Untuk mencapai tujuan ini, disajikan konstruksi eksplisit semua manifold homogen 3-... | id |
The process of urbanization is one of the most important phenomenon of our societies and it is only recently that the availability of massive amounts of geolocalized historical data allows us to address quantitatively some of its features. Here, we discuss how the number of buildings evolves with population and we show... | မြို့ပြဖွံ့ဖြိုးမှုလုပ်ငန်းစဉ်သည် ကျွန်ုပ်တို့၏ လူ့အဖွဲ့အစည်းများတွင် အရေးပါသော တိုးတက်မှုတစ်ခုဖြစ်ပြီး မကြာသေးမီကမှသာ သမိုင်းဝင် မြေပုံအချက်အလက်များကို ရရှိနိုင်လာခြင်းဖြင့် ယင်း၏ အင်္ဂါရပ်အချို့ကို သင်္ချာနည်းကျစွာ လေ့လာနိုင်လာခဲ့ခြင်းဖြစ်သည်။ ဤတွင် အဆောက်အဦးအရေအတွက်သည် လူဦးရေနှင့်အတူ မည်သို့ပြောင်းလဲတိုးပွားလာသည်ကို... | my |
We investigate dust entrainment by photoevaporative winds in protoplanetary discs using dusty smoothed particle hydrodrodynamics (SPH). We use unequal-mass particles to resolve more than five orders of magnitude in disc/outflow density and a one-fluid formulation to efficiently simulate an equivalent magnitude range in... | Fotoevaporatif rüzgarların protogezişsel disklerde toz sürüklemesini, tozlu düzgünleştirilmiş parçacık hidrodinamiği (SPH) kullanarak araştırıyoruz. Disk/akış yoğunluğunda beşten fazla mertebe çözünürlük elde etmek ve sürükleme durma süresinde eşdeğer bir büyüklük aralığını verimli bir şekilde simüle etmek için eşit ol... | tr |
N-body simulations of the hierarchical formation of cosmic structures suffer from the problem that the first objects to form always contain just a few particles. Although relaxation is not an issue for virialised objects containing millions of particles, collisional processes will always dominate within the first struc... | 階層的な宇宙構造形成のN体系シミュレーションでは、最初に形成される構造が常に少数の粒子しか含まないという問題がある。数百万の粒子を含む平衡化した物体では緩和は問題にならないが、最初に崩壊する構造内部では常に衝突過程が支配的となる。まず、孤立した平衡および非平衡の尖った（cuspy）ハロー内において、緩和が空間分解能、ソフトニング長、および半径にどう依存するかを定量化する。次に、ダークマター・ハローの階層的形成過程を通じて各粒子の局所的な緩和率を測定することで、この数値的効果が合体階層をどう伝播するかを調べる。最終的な構造の中心部のごく数パーセントの領域（最終的にハローが約10^6個の粒子を含むため、一見すると最終時点で十分に分解され... | ja |
The emergence of the Internet-of-Things and cyber-physical systems necessitates the coordination of access to limited communication resources in an autonomous and distributed fashion. Herein, the optimal design of a wireless sensing system with n sensors communicating with a fusion center via a collision channel of lim... | การเกิดขึ้นของอินเทอร์เน็ตของสรรพสิ่ง (Internet-of-Things) และระบบไซเบอร์-ฟิสิกส์ (cyber-physical systems) ทำให้จำเป็นต้องมีการประสานงานการเข้าถึงทรัพยากรการสื่อสารที่จำกัดอย่างอัตโนมัติและแบบกระจาย งานวิจัยนี้พิจารณาการออกแบบระบบตรวจจับไร้สายที่มีเซนเซอร์จำนวน n ตัว ซึ่งสื่อสารกับศูนย์รวมข้อมูลผ่านช่องสัญญาณชนกันที่มี... | th |
Singular Value Decomposition (SVD) is a powerful tool for multivariate analysis. However, independent computation of the SVD for each sample taken from a bandlimited matrix random process will result in singular value sample paths whose tangled evolution is not consistent with the structure of the underlying random pro... | ការបំបែកតម្លៃតែមួយ (SVD) គឺជាឧបករណ៍ដ៏មានឥទ្ធិពលសម្រាប់ការវិភាគពហុប្រេកង់។ ទោះយ៉ាងណាក៏ដោយ ការគណនា SVD ដោយឯករាជ្យសម្រាប់គំរូនីមួយៗដែលបានយកចេញពីដំណើរការចៃដន្យម៉ាទ្រីសដែលមានដែនកំណត់ប្រេកង់នឹងផ្តល់ជូននូវផ្លូវគំរូតម្លៃតែមួយដែលមានវិវត្តន៍ស្មុគស្មាញ ហើយមិនស៊ីសង្វាក់គ្នាជាមួយរចនាសម្ព័ន្ធរបស់ដំណើរការចៃដន្យនៅក្រោម។ ដំណោះស្រាយសម្រ... | km |
We perform numerical simulations of a two-dimensional bidisperse granular packing subjected to both a static confining pressure and a sinusoidal dynamic forcing applied by a wall on one edge of the packing. We measure the response experienced by a wall on the opposite edge of the packing and obtain the resonant frequen... | 정적 구속 압력과 입자 집합체의 한쪽 가장자리에 위치한 벽에 의해 가해지는 정현파적 동적 강제력을 동시에 받는 2차원 이산립 과립 매질의 수치 시뮬레이션을 수행하였다. 입자 집합체의 반대쪽 가장자리에 위치한 벽에서의 응답을 측정하여 정적 또는 동적 압력을 변화시킬 때의 입자 집합체의 공진 주파수를 얻었다. 정적 압력이 증가함에 따라 공진 주파수가 증가하여, 입자 집합체를 통과하는 탄성파의 속도가 증가함을 나타낸다. 반면, 정적 압력을 일정하게 유지한 상태에서 동적 진폭을 증가시키면 공진 주파수가 감소하여, 파동 속도의 감소를 나타낸다. 이러한 현상은 압축력과 전단 동... | ko |
We present results of systematic studies of the radiation response of superheated liquid droplet detectors, which are used in the PICASSO dark matter search experiment. This detection technique is based on the phase transitions of superheated liquid Freon droplets dispersed and trapped in a polymerized gel. Phase trans... | Apresentamos os resultados de estudos sistemáticos da resposta à radiação de detectores de gotículas de líquido superaquecido, utilizados no experimento de busca por matéria escura PICASSO. Esta técnica de detecção baseia-se nas transições de fase de gotículas de Freon superaquecido dispersas e aprisionadas em um gel p... | pt |
Let $\delta=(\delta_1,\ldots,\delta_n)$ be a string of letters $h$ and $v$. We define a Young tableau to be $\delta$-semistandard if the entries are weakly increasing along rows and columns, and the entries $i$ form a horizontal strip if $\delta_i=h$ and a vertical strip if $\delta_i=v$. We define $\delta$-promotion on... | ليكن $\delta=(\delta_1,\ldots,\delta_n)$ سلسلة من الحروف $h$ و$v$. نُعرف جدول ينغ على أنه $\delta$-شبه معياري إذا كانت المدخلات متزايدة بشكل ضعيف على طول الصفوف والأعمدة، وتكون المدخلات $i$ شريطاً أفقياً إذا كان $\delta_i=h$ وشريطاً عمودياً إذا كان $\delta_i=v$. نُعرف عملية $\delta$-الترقية على هذه الجداول باستخدام لعب... | ar |
We present results of systematic studies of the radiation response of superheated liquid droplet detectors, which are used in the PICASSO dark matter search experiment. This detection technique is based on the phase transitions of superheated liquid Freon droplets dispersed and trapped in a polymerized gel. Phase trans... | Chúng tôi trình bày kết quả các nghiên cứu hệ thống về đáp ứng bức xạ của các detector giọt chất lỏng quá nóng, được sử dụng trong thí nghiệm tìm kiếm vật chất tối PICASSO. Kỹ thuật dò này dựa trên hiện tượng chuyển pha của các giọt Freon lỏng quá nóng được phân tán và giữ lại trong một gel đã bị polyme hóa. Chuyển pha... | vi |
We investigate with polarized microphotoluminescence the optical pumping of the valley degree of freedom in charge-tunable MoS2 monolayers encapsulated with hexagonal boron nitride at cryogenic temperatures. We report a large steady state valley polarization of the different excitonic complexes following circularly-pol... | 我々は、六方晶窒化ホウ素でカプセル化された電荷制御可能な二硫化モリブデン（MoS2）単層膜について、低温条件下で偏光顕微フォトルミネッセンスを用いて、バリュー自由度の光学的ポンピングを調査した。中性励起子遷移の25 meV上方で円偏光レーザー励起を行った結果、さまざまな励起子複合体において大きな定常状態バリュー偏極が観測された。本物質において初めて、これまで欠陥やレーザー誘起の強い電子ドーピングのため、非カプセル化単層膜では観測が困難であった正孔性三子（+trion）の効率的なバリュー・ポンピングを明らかにした。また、負孔性三子（-trion）では非共鳴励起としては異常に大きな70％の偏極が見られた。この大きなバリュー偏極は、MoS... | ja |
Eugenio Regazzini was born on August 12, 1946 in Cremona (Italy), and took his degree in 1969 at the University "L. Bocconi" of Milano. He has held positions at the universities of Torino, Bologna and Milano, and at the University "L. Bocconi" as assistant professor and lecturer from 1974 to 1980, and then professor si... | ایوگینیو ریگاژینی کا جنم 12 اگست 1946 کو کریمونا (اطالیہ) میں ہوا، اور انہوں نے 1969 میں میلان کی یونیورسٹی "ایل۔ بوکونی" سے اپنی ڈگری حاصل کی۔ انہوں نے ٹورینو، بولونیا اور میلان کی یونیورسٹیوں میں، اور یونیورسٹی "ایل۔ بوکونی" میں 1974 سے 1980 تک اسسٹنٹ پروفیسر اور لیکچرار کے عہدوں پر کام کیا، اور اس کے بعد 1980 سے پرو... | ur |
The celebrated quantum no-cloning theorem states that an arbitrary quantum state cannot be cloned perfectly. This raises questions about cloning of classical states, which have also attracted attention. Here, we present a physical approach to the classical cloning process showing how cloning can be realised using Hamil... | Знаменитая квантовая теорема о невозможности клонирования утверждает, что произвольное квантовое состояние невозможно скопировать идеально. Это порождает вопросы о клонировании классических состояний, чему также уделялось внимание. Здесь мы представляем физический подход к классическому процессу клонирования, показывая... | ru |
Our understanding of the redshift $z>3$ galaxy population relies largely on samples selected using the popular "dropout" technique, typically consisting of UV-bright galaxies with blue colors and prominent Lyman breaks. As it is currently unknown if these galaxies are representative of the massive galaxy population, we... | ہماری سرخِ shift $z>3$ کہکشانوں کی آبادی کی سمجھ بوجھ کا انحصار عموماً "ڈراپ آؤٹ" تکنیک کے ذریعے منتخب کردہ نمونوں پر ہے، جو عام طور پر UV روشن کہکشانوں پر مشتمل ہوتی ہیں جن کے رنگ نیلے ہوتے ہیں اور جن میں نمایاں لائمن بریکس ہوتے ہیں۔ چونکہ یہ ابھی تک معلوم نہیں ہے کہ کیا یہ کہکشانیں بڑی کہکشانی آبادی کی نمائندگی کرتی ... | ur |
Software Defined Networking (SDN) not only enables agility through the realization of part of the network functionality in software but also facilitates offering advanced features at the network layer. Hence, SDN can support a wide range of middleware services; network performance monitoring is an example of these serv... | Бағдарламалық жолмен анықталатын желі (SDN) желілік функционалдың бір бөлігін бағдарламалық түрде іске асыру арқылы икемділікті қамтамасыз етіп қана қоймай, сонымен қатар желілік деңгейде алдыңғы қатарлы мүмкіндіктерді ұсынуды оңайлатады. Сондықтан SDN әртүрлі орта деңгейлі қызметтерді қолдай алады; олардың ішінде желі... | kk |
We present the morphological analysis based on HST-NIC2 (0.075 arcsec/pixel) images in the F160W filter of a sample of 9 massive field (> 10^{11} M_\odot) galaxies spectroscopically classified as early-types at 1.2<z<1.7. Our analysis shows that all of them are bulge dominated systems. In particular, 6 of them are well... | ہم 1.2<z<1.7 پر ابتدائی قسم کے طور پر طیفیاتی طور پر درجہ بندی شدہ 9 بڑے میدانی (> 10^{11} M_\odot) کہکشانوں کے نمونے کے لیے F160W فلٹر میں HST-NIC2 (0.075 arcsec/pixel) تصاویر کی بنیاد پر شکلیاتی تجزیہ پیش کرتے ہیں۔ ہمارا تجزیہ ظاہر کرتا ہے کہ ان میں سے ہر ایک بُلچ کے ساتھ مسلط نظام ہے۔ خاص طور پر، 6 کو ڈی ووکولر پروف... | ur |
Music source separation (MSS) is the task of separating a music piece into individual sources, such as vocals and accompaniment. Recently, neural network based methods have been applied to address the MSS problem, and can be categorized into spectrogram and time-domain based methods. However, there is a lack of researc... | Ang paghihiwalay ng pinagmulan ng musika (music source separation o MSS) ay ang gawain ng paghihiwalay ng isang piraso ng musika sa mga indibidwal na pinagmulan, tulad ng boses at kasabay na musika. Kamakailan, ang mga pamamaraang batay sa neural network ay ginamit upang tugunan ang problema ng MSS, at maaaring iuri sa... | tl |
Observations suggest a power-law relation between the coronal emission in X-rays, $L_{\rm{X}}$, and the total (unsigned) magnetic flux at the stellar surface, $\Phi$. The physics basis for this relation is poorly understood. We use three-dimensional (3D) magnetohydrodynamics (MHD) numerical models of the coronae above ... | 観測結果は、X線におけるコロナ放射$L_{\rm{X}}$と恒星表面の全（符号なし）磁束$\Phi$の間にべき乗則の関係があることを示唆している。しかし、この関係の物理的基盤は十分に理解されていない。本研究では、磁場が強く集中した活動領域の上空にあるコロナの三次元（3D）磁気流体力学（MHD）数値モデルを用いて、$L_{\rm{X}}$と$\Phi$の関係を調べ、単純でよく確立されたスケーリング関係に基づく解析モデルによってこの関係を説明する。3D MHDモデルでは、表面付近の水平方向（対流）運動がコロナ磁場内に電流を誘起し、それが散逸されてプラズマを加熱する。これにより、一貫性を持って約1 MKの温度を持つコロナが形成される。他の... | ja |
The celebrated quantum no-cloning theorem states that an arbitrary quantum state cannot be cloned perfectly. This raises questions about cloning of classical states, which have also attracted attention. Here, we present a physical approach to the classical cloning process showing how cloning can be realised using Hamil... | Teorema larangan kloning kuantum yang terkenal menyatakan bahwa keadaan kuantum sembarang tidak dapat dikloning secara sempurna. Hal ini menimbulkan pertanyaan mengenai kloning keadaan klasik, yang juga telah menarik perhatian. Di sini, kami menghadirkan pendekatan fisik terhadap proses kloning klasik yang menunjukkan ... | id |
In the protein sequence space, natural proteins form clusters of families which are characterized by their unique native folds whereas the great majority of random polypeptides are neither clustered nor foldable to unique structures. Since a given polypeptide can be either foldable or unfoldable, a kind of "folding tra... | 在蛋白质序列空间中，天然蛋白质形成具有独特天然折叠结构的家族簇，而绝大多数随机多肽既不形成簇，也无法折叠成独特的结构。由于给定的多肽可能具有可折叠性或不可折叠性，因此在序列空间中蛋白质家族的边界处预期存在一种“折叠转变”。通过蒙特卡洛模拟一种统计力学蛋白质序列比对模型，该模型一致地整合了短程与长程相互作用以及可变长度的插入，以重现给定蛋白质家族多序列比对的统计特征，我们证明了在15个具有不同折叠类型的结构域家族的序列子空间中，天然样序列与随机序列之间确实存在此类转变。该转变被发现具有高度协同性和类似两态的特性。此外，在少数高度保守位点上强制引入或抑制共识残基，分别增强了或削弱了整个序列上天然样模式的形成。在大多数家族中，这些关键位点... | zh |
Solving under-determined systems of linear equations with sparse solutions attracted enormous amount of attention in recent years, above all, due to work of \cite{CRT,CanRomTao06,DonohoPol}. In \cite{CRT,CanRomTao06,DonohoPol} it was rigorously shown for the first time that in a statistical and large dimensional contex... | Ang paglutas ng mga hindi lubos na natukoy na sistema ng mga linear na ekwasyon na may magkakalat na mga solusyon ay nakakuha ng napakalaking atensyon sa mga kamakailang taon, lalo na dahil sa gawaing isinagawa ng \cite{CRT,CanRomTao06,DonohoPol}. Sa \cite{CRT,CanRomTao06,DonohoPol}, ito ay mahigpit na ipinakita sa una... | tl |
All existing optical quantum walk approaches are based on the use of beamsplitters and multiple paths to explore the multitude of unitary transformations of quantum amplitudes in a Hilbert space. The beamsplitter is naturally a directionally biased device: the photon cannot travel in reverse direction. This causes rapi... | ວິທີການທັງໝົດທີ່ມີຢູ່ໃນປັດຈຸບັນ ສຳລັບການຍ່າງຂອງຄິວບິດແບບຄົງທີ່ ແມ່ນອີງໃສ່ການນຳໃຊ້ເຄື່ອງແຍກແສງ (beamsplitters) ແລະ ການເດີນທາງຜ່ານຫຼາຍເສັ້ນທາງ ເພື່ອສຳຫຼວດຫຼາຍໆການປ່ຽນແປງຄວາມຈຳນວນຄິວບິດໃນພື້ນທີ່ຮີບເບີດ (Hilbert space). ເຄື່ອງແຍກແສງ (beamsplitter) ແມ່ນອຸປະກອນທີ່ມີທິດທາງເອີ້ອຍອີງຕາມທຳມະຊາດ: ໂຟຕອນບໍ່ສາມາດເດີນທາງກັບຄືນໄປທາງກັ... | lo |
We perform numerical simulations of a two-dimensional bidisperse granular packing subjected to both a static confining pressure and a sinusoidal dynamic forcing applied by a wall on one edge of the packing. We measure the response experienced by a wall on the opposite edge of the packing and obtain the resonant frequen... | Wir führen numerische Simulationen einer zweidimensionalen bidispersen Granulatschüttung durch, die sowohl einem statischen seitlichen Druck als auch einer sinusförmigen dynamischen Anregung durch eine Wand an einer Kante der Schüttung ausgesetzt ist. Wir messen die Antwort, die eine Wand an der gegenüberliegenden Kant... | de |
A closed-form expression is obtained for a holomorphic sector of the two-loop low-energy effective action for the N = 4 super Yang-Mills theory on its Coulomb branch where the gauge group SU(N) is spontaneously broken to SU(N-1) x U(1) and the dynamics is described by a single Abelian N = 2 vector multiplet. In the fra... | N = 4 সুপার ইয়াং-মিলস তত্ত্বের কুলম্ব শাখার জন্য দুই-লুপ নিম্ন-শক্তির কার্যকরী ক্রিয়ার একটি হলোমরফিক খণ্ডের জন্য একটি বদ্ধ-আকার অভিব্যক্তি পাওয়া গেছে, যেখানে গজ গ্রুপ SU(N) স্বতঃস্ফূর্তভাবে SU(N-1) x U(1)-এ ভাঙে এবং গতিবিদ্যা একক আবেলীয় N = 2 ভেক্টর মাল্টিপ্লেট দ্বারা বর্ণিত হয়। ব্যাকগ্রাউন্ড-ফিল্ড পদ্ধতির কাঠামোত... | bn |
Data for human-human spoken dialogues for research and development are currently very limited in quantity, variety, and sources; such data are even scarcer in healthcare. In this work, we investigate fast prototyping of a dialogue comprehension system by leveraging on minimal nurse-to-patient conversations. We propose ... | 研究開発のためのヒト同士の音声対話データは、現在、量的・多様性・出所の面で非常に限られている。特に医療分野では、そのようなデータはさらに不足している。本研究では、ごく少量の看護師と患者の会話を活用し、対話理解システムの迅速なプロトタイピングを検討する。看護師が主導する臨床症状モニタリング会話に着想を得たフレームワークを提案し、これにより、考え事を声に出す表現、自己矛盾、話題の逸脱といった音声対話特有の言語的特徴を含む、人間同士の模擬対話データセットを構築する。次に、この模擬データセットに対して、既存の双方向アテンションポインタネットワークを適用し、実際の看護師と患者の会話から構成されるホールドアウトテストセットにおいて、F1スコア8... | ja |
This article aims at discussing the cosmological constant problem at a pedagogical but fully technical level. We review how the vacuum energy can be regularized in flat and curved space-time and how it can be understood in terms of Feynman bubble diagrams. In particular, we show that the properly renormalized value of ... | អត្ថបទនេះមានគោលបំណងពិភាក្សាអំពីបញ្ហាថេរកំណត់នៃចក្រវាឡវិទ្យានៅកម្រិតបង្រៀន ប៉ុន្តែមានលក្ខណៈបច្ចេកទេសពេញលេញ។ យើងសង្ខេបពីរបៀបដែលថាមពលសុញ្ញកាសអាចត្រូវបានធ្វើឱ្យស្ថិតក្នុងលំនៅក្នុងកន្លែងរាបស្មើ និងកន្លែងដែលមានរាងកោង ហើយពន្យល់អំពីវាក្នុងរូបភាពនៃដ្យាក្រាមប៊្លុបផែនហ្វែយនម៉ាន់។ ជាពិសេស យើងបង្ហាញថាតម្លៃដែលត្រូវបានធ្វើឱ្យធម្មតាឡ... | km |
The celebrated quantum no-cloning theorem states that an arbitrary quantum state cannot be cloned perfectly. This raises questions about cloning of classical states, which have also attracted attention. Here, we present a physical approach to the classical cloning process showing how cloning can be realised using Hamil... | O célebre teorema quântico da impossibilidade de clonagem afirma que um estado quântico arbitrário não pode ser clonado perfeitamente. Isso levanta questões sobre a clonagem de estados clássicos, que também têm atraído atenção. Aqui, apresentamos uma abordagem física ao processo de clonagem clássica, mostrando como a c... | pt |
Let $\delta=(\delta_1,\ldots,\delta_n)$ be a string of letters $h$ and $v$. We define a Young tableau to be $\delta$-semistandard if the entries are weakly increasing along rows and columns, and the entries $i$ form a horizontal strip if $\delta_i=h$ and a vertical strip if $\delta_i=v$. We define $\delta$-promotion on... | $\delta=(\delta_1,\ldots,\delta_n)$ harflerinden oluşan bir $h$ ve $v$ dizisi olsun. Bir Young tablosunun, satırlar ve sütunlar boyunca değerler zayıf artan olacak şekilde ve $i$ değerleri $\delta_i=h$ ise yatay şerit, $\delta_i=v$ ise dikey şerit oluşturacak şekilde düzenlenmesi durumunda buna $\delta$-yarıstandart di... | tr |
In this paper, we analyze a composite decode-and-forward scheme for the two-way relay channel with a direct link. During transmission, our scheme combines both block Markov coding and an independent coding scheme similar to network coding at the relay. The main contribution of this work is to examine how link state imp... | 본 논문에서는 직결 링크를 갖는 양방향 릴레이 채널을 위한 복합적인 디코드-앤포워드 방식을 분석한다. 전송 과정에서 제안한 방식은 릴레이에서 블록 마르코프 코딩과 네트워크 코딩과 유사한 독립 코딩 방식을 결합한다. 본 연구의 주요 기여는 링크 상태가 이 두 가지 서로 다른 기술 간의 전력 할당에 어떤 영향을 미치는지를 조사한 것으로, 이 전력 할당은 최대 전송률 영역 달성에 있어 각 기술의 필요성을 결정한다. 우리는 링크 상태 구간과 이에 대응하는 릴레이 기술을 해석적으로 도출한다. 결과는 흥미로운 경향을 보여주는데, 사용자-릴레이 링크가 직결 링크보다 약간 더 강할... | ko |
We employ the Schwinger boson mean-field approach to study the effects of arbitrary frustrated bonds and plaquettes (formed from four frustrated bonds) in two-dimensional ferro- and antiferromagnets on the spin-wave spectrum and the correlation length at finite temperatures. We distinguish between strongly frustrated b... | İki boyutlu ferro- ve antiferromanyetlerde spin-dalga spektrumu ile sonlu sıcaklıklarda korelasyon uzunluğuna sahip, keyfi biçimde frustre bağlar ve dört frustre bağdan oluşan plaketlerin etkilerini incelemek için Schwinger bozon ortalama-alan yaklaşımını kullanıyoruz. Frustre kuplajı $J^\prime$'nın spin eğilme eşiği $... | tr |
Deployment of wireless sensor networks and wireless communication systems have become indispensable for better real-time data acquisition from ground monitoring devices, gas sensors, and equipment used in underground mines as well as in locating the miners, since conventional methods like use of wireline communication ... | การติดตั้งเครือข่ายเซ็นเซอร์ไร้สายและระบบการสื่อสารไร้สายได้กลายเป็นสิ่งจำเป็นอย่างยิ่งต่อการรับข้อมูลแบบเรียลไทม์ที่ดีขึ้นจากอุปกรณ์ตรวจสอบใต้ดิน เซ็นเซอร์ตรวจจับก๊าซ และอุปกรณ์ต่าง ๆ ที่ใช้ในเหมืองใต้ดิน รวมทั้งการติดตามตำแหน่งของผู้งานในเหมือง เนื่องจากวิธีการแบบเดิม เช่น การใช้ระบบสื่อสารผ่านสายเคเบิล ไม่สามารถใช้ง... | th |
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