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Objective: This work aimed to demonstrate the effectiveness of a hybrid approach based on Sentence BERT model and retrofitting algorithm to compute relatedness between any two biomedical concepts. Materials and Methods: We generated concept vectors by encoding concept preferred terms using ELMo, BERT, and Sentence BERT... | 목표: 본 연구는 문장 단위 BERT 모델과 리트로피팅 알고리즘을 기반으로 한 하이브리드 접근법을 통해 임의의 두 생의학 개념 간 관련성을 계산하는 데 그 효과를 입증하는 것을 목적으로 하였다. 자료 및 방법: 본 연구는 ELMo, BERT, 문장 단위 BERT 모델을 사용하여 개념의 선호 용어를 인코딩함으로써 개념 벡터를 생성하였다. BioELMo 및 Clinical ELMo를 사용하였으며, PubMedBERT, BioBERT, BioClinicalBERT와 같은 온톨로지 지식 비의존(OKF) 모델과 SapBERT, CoderBERT, KbBERT, UmlsBERT... | ko |
Determining the initial state of the universe is a challenging problem in quantum cosmology and we argue that the issue is intractable if the basic postulates of quantum mechanics are not modified in a nontrivial way. Namely a "standard" quantum theory of gravity is expected to resolve the big-bang singularity either b... | ការកំណត់ស្ថានភាពដំបូងនៃចក្រវាឡគឺជាបញ្ហាប្រឈមមួយក្នុងចក្រវិទ្យាបរមាណូ ហើយយើងអះអាងថាបញ្ហានេះគ្មានដំណោះស្រាយបានទេ ប្រសិនបើគោលការណ៍គ្រឹះនៃមេកានិចបរមាណូមិនត្រូវបានកែប្រែតាមវិធីដែលមានន័យសំខាន់នោះទេ។ មានន័យថា ទ្រឹស្ដី "ស្ដង់ដារ" នៃទំនាញបរមាណូត្រូវរំពឹងថានឹងដោះស្រាយបញ្ហាចំណុចប្រទាក់របស់ប៊ីកប៊ែងដោយផ្ដល់នូវដំណើរវ... | km |
This text is a survey (Bourbaki seminar) on the paper "Liouville quantum gravity and KPZ" By B.Duplantier and S.Sheffield. The study of statistical physics models in two dimensions (d=2) at their critical point is in general a significantly hard problem (not to mention the d=3 case). In the eighties, three physicists... | Este texto es una exposición (seminario Bourbaki) sobre el artículo "Liouville quantum gravity and KPZ" de B. Duplantier y S. Sheffield. El estudio de modelos de física estadística en dos dimensiones (d=2) en su punto crítico es en general un problema considerablemente difícil (sin mencionar el caso d=3). En los años o... | es |
As was shown earlier, one-loop correction in 10d supergravity on AdS_5 x S^5 corresponds to the contributions to the vacuum energy and boundary 4d conformal anomaly which are minus the values for one n=4 Maxwell supermultiplet, thus reproducing the subleading term in their N^2-1 coefficient in the dual SU(N) SYM theory... | ယခင်က ပြထားသည့်အတိုင်း AdS_5 x S^5 ပေါ်ရှိ 10d စူပါဂရဗျိတီတွင် တစ်ဝိုင်းပြင်ဆင်မှုသည် တန်ဖိုးတစ်ခုလုံးရှိ n=4 မက်စ်ဝယ် စူပါမြူလ္တီပလက်အတွက် တန်ဖိုးများကို အနုတ်လက္ခဏာဖြင့် ပေါင်းထည့်ပေးသည့် စွမ်းအင်ဗလူမ်နှင့် နယ်နိမိတ် 4d ပုံစံမျဉ်းမျဉ်းအမှားအတွက် ပံ့ပိုးမှုများကို ကိုယ်စားပြုပြီး ဒွိ SU(N) SYM သီအိုရီရှိ N^2-1 ဂုဏ်သတ္... | my |
We present a model of worldwide crisis contagion based on the Google matrix analysis of the world trade network obtained from the UN Comtrade database. The fraction of bankrupted countries exhibits an \textit{on-off} phase transition governed by a bankruptcy threshold $\kappa$ related to the trade balance of the countr... | Kami mempersembahkan satu model penyebaran krisis global berdasarkan analisis matriks Google terhadap rangkaian perdagangan dunia yang diperoleh daripada pangkalan data UN Comtrade. Pecahan negara-bangkrup menunjukkan peralihan fasa \textit{on-off} yang dikawal oleh ambang kebankrapan $\kappa$ yang berkaitan dengan imb... | ms |
Objective: This work aimed to demonstrate the effectiveness of a hybrid approach based on Sentence BERT model and retrofitting algorithm to compute relatedness between any two biomedical concepts. Materials and Methods: We generated concept vectors by encoding concept preferred terms using ELMo, BERT, and Sentence BERT... | Obiettivo: Questo lavoro ha avuto lo scopo di dimostrare l'efficacia di un approccio ibrido basato sul modello Sentence BERT e sull'algoritmo di retrofitting per calcolare la relazione tra due concetti biomedici qualsiasi. Materiali e metodi: Abbiamo generato vettori di concetti codificando i termini preferiti dei conc... | it |
For an oscillating electric dipole in the shape of a small, solid, uniformly-polarized, spherical particle, we compute the self-field as well as the radiated electromagnetic field in the surrounding free space. The assumed geometry enables us to obtain the exact solution of Maxwell's equations as a function of the dipo... | একটি ছোট, কঠিন, সুষমভাবে ধ্রুবকীকৃত, গোলাকার কণার আকৃতির দোলনশীল তড়িৎ দ্বিমেরুর জন্য, আমরা চারপাশের মুক্ত স্থানে নিজস্ব ক্ষেত্র এবং বিকিরিত তড়িৎচুম্বকীয় ক্ষেত্র গণনা করি। ধরে নেওয়া জ্যামিতি আমাদের দ্বিমেরু ভ্রামক, গোলকের ব্যাসার্ধ এবং দোলনের কম্পাঙ্কের উপর ভিত্তি করে ম্যাক্সওয়েলের সমীকরণগুলির সঠিক সমাধান পেতে সক্ষ... | bn |
When a three-dimensional (3D) ferromagnetic topological insulator thin film is magnetized out-of-plane, conduction ideally occurs through dissipationless, one-dimensional (1D) chiral states that are characterized by a quantized, zero-field Hall conductance. The recent realization of this phenomenon - the quantum anomal... | Cuando un film delgado de aislante topológico ferromagnético tridimensional (3D) se magnetiza fuera del plano, la conducción ocurre idealmente a través de estados quiral unidimensionales (1D) sin disipación, que se caracterizan por una conductancia de Hall cuantizada y sin campo externo. La reciente observación de este... | es |
Late blight disease is one of the most destructive diseases in potato crop, leading to serious yield losses globally. Accurate diagnosis of the disease at early stage is critical for precision disease control and management. Current farm practices in crop disease diagnosis are based on manual visual inspection, which i... | Penyakit busuk daun akhir merupakan salah satu penyakit paling merusak pada tanaman kentang, yang menyebabkan kerugian hasil panen yang serius secara global. Diagnosis akurat terhadap penyakit ini pada tahap awal sangat penting untuk pengendalian dan pengelolaan penyakit secara presisi. Praktik pertanian saat ini dalam... | id |
Bayesian statistical inference for Generalized Linear Models (GLMs) with parameters lying on a constrained space is of general interest (e.g., in monotonic or convex regression), but often constructing valid prior distributions supported on a subspace spanned by a set of linear inequality constraints can be challenging... | সাধারণীকৃত রৈখিক মডেল (জিএলএম)-এর জন্য বেয়াসীয় পরিসংখ্যানগত অনুমান, যেখানে পরামিতিগুলি একটি সীমাবদ্ধ স্থানে অবস্থিত, তা সাধারণ আগ্রহের বিষয় (যেমন, একঘেয়ে বা উত্তল প্রতিগমনে), কিন্তু একটি রৈখিক অসমতা সীমাবদ্ধতার সেট দ্বারা গঠিত একটি উপস্থানে সমর্থিত বৈধ পূর্ববর্তী বন্টন নির্মাণ করা প্রায়শই চ্যালেঞ্জিং হয়ে ওঠে, বিশ... | bn |
We study stochastic two-player turn-based games in which the objective of one player is to ensure several infinite-horizon total reward objectives, while the other player attempts to spoil at least one of the objectives. The games have previously been shown not to be determined, and an approximation algorithm for compu... | Estudiamos juegos estocásticos por turnos entre dos jugadores en los que el objetivo de un jugador es garantizar varios objetivos de recompensa total sobre horizonte infinito, mientras que el otro jugador intenta frustrar al menos uno de dichos objetivos. Se ha demostrado previamente que estos juegos no son determinado... | es |
We propose an effective and flexible way to implement 2D and 3D elastoplastic problems in MATLAB using fully vectorized codes. Our technique is applied to a broad class of the problems including perfect plasticity or plasticity with hardening and several yield criteria. The problems are formulated in terms of displacem... | Proponemos una forma eficaz y flexible de implementar en MATLAB problemas elasto-plásticos 2D y 3D mediante códigos completamente vectorizados. Nuestra técnica se aplica a una amplia clase de problemas, incluyendo plasticidad perfecta o plasticidad con endurecimiento, así como varios criterios de fluencia. Los problema... | es |
Governments and cities around the world are currently facing rapid growth in the use of Electric Vehicles and therewith the need for Charging Infrastructure. For these cities, the struggle remains how to further roll out charging infrastructure in the most efficient way, both in terms of cost and use. Forecasting model... | Ang mga pamahalaan at lungsod sa buong mundo ay kasalukuyang nakakaharap sa mabilis na pagtaas sa paggamit ng mga Electric Vehicle at kaakibat nito ang pangangailangan sa Charging Infrastructure. Para sa mga lungsod na ito, nananatiling hamon kung paano patuloy na maipapatupad ang charging infrastructure sa pinakaepekt... | tl |
Super-resolution fluorescence microscopy, with a resolution beyond the diffraction limit of light, has become an indispensable tool to directly visualize biological structures in living cells at a nanometer-scale resolution. Despite advances in high-density super-resolution fluorescent techniques, existing methods stil... | Сверхразрешающая флуоресцентная микроскопия, обладающая разрешением выше дифракционного предела света, стала незаменимым инструментом для прямой визуализации биологических структур в живых клетках с нанометровым разрешением. Несмотря на успехи в методах сверхразрешающей флуоресцентной визуализации высокой плотности, су... | ru |
This paper investigates the problem of finding a fixed point for a global nonexpansive operator under time-varying communication graphs in real Hilbert spaces, where the global operator is separable and composed of an aggregate sum of local nonexpansive operators. Each local operator is only privately accessible to eac... | 本論文では、実ヒルベルト空間において時間変化する通信グラフの下で、グローバルな非拡大作用素の不動点を求める問題を考察する。ここで、グローバル作用素は分離可能であり、局所的な非拡大作用素の集約和から構成されている。各局所作用素はそれぞれのエージェントにのみ私的にアクセス可能であり、すべてのエージェントがネットワークを構成する。グローバル作用素の不動点を求めるためには、エージェントが局所情報を交換し、協調的に解を更新することが不可欠である。この問題を解決するために、分散型クラスノセルスキー・マン（D-KM）反復および分散型ブロック座標クラスノセルスキー・マン（D-BKM）反復と呼ばれる2つのアルゴリズムが提案される。ここで、D-BKM反... | ja |
An artificial superintelligence (ASI) is artificial intelligence that is significantly more intelligent than humans in all respects. While ASI does not currently exist, some scholars propose that it could be created sometime in the future, and furthermore that its creation could cause a severe global catastrophe, possi... | ایک مصنوعی سپر انٹیلی جنس (ASI) وہ مصنوعی ذہانت ہے جو ہر لحاظ سے انسانوں سے کہیں زیادہ ذہین ہو۔ حالانکہ اس وقت ASI موجود نہیں ہے، تاہم کچھ علماء کا خیال ہے کہ مستقبل میں اس کی تخلیق ممکن ہے، اور یہ کہ اس کی تخلیق عالمی سطح پر شدید تباہی کا سبب بن سکتی ہے، جس میں انسانیت کے خاتمے کا امکان بھی شامل ہے۔ نتیجے میں، اتنی بڑ... | ur |
The pentagram map is a discrete dynamical system defined on the moduli space of polygons in the projective plane. This map has recently attracted a considerable interest, mostly because its connection to a number of different domains, such as: classical projective geometry, algebraic combinatorics, moduli spaces, clust... | ແຜນທີ່ຮູບຫ້າແຈ (pentagram map) ແມ່ນລະບົບໄດນາມິກແບບຈຳກັດ ທີ່ຖືກກຳນົດໃນເວັກເຕີ້ຂອງຮູບຫຼາຍແຈໃນພື້ນທີ່ໂຄງການ. ແຜນທີ່ດັ່ງກ່າວໄດ້ດຶງດູດຄວາມສົນໃຈຢ່າງກວ້າງຂວາງໃນຊ່ວງເວລາສັ້ນໆມານີ້ ເປັນສ່ວນໃຫຍ່ຍ້ອນຄວາມເຊື່ອມຕໍ່ຂອງມັນກັບຂົງເຂດຕ່າງໆ ເຊັ່ນ: ພື້ນຖານເລຂາຄະນິດໂຄງການ, ການປະສົມປະສານທາງພີຊະຄະນິດ, ເວັກເຕີ້ຂອງຮູບ, ພີຊະຄະນິດກຸ່ມ (cluster a... | lo |
We propose an effective and flexible way to implement 2D and 3D elastoplastic problems in MATLAB using fully vectorized codes. Our technique is applied to a broad class of the problems including perfect plasticity or plasticity with hardening and several yield criteria. The problems are formulated in terms of displacem... | 本論文では、完全にベクトル化されたコードを用いて、MATLABで2次元および3次元の弾塑性問題を実装するための効果的かつ柔軟な方法を提案する。我々の手法は、完全塑性、硬化を伴う塑性、および複数の降伏条件を含む広範な問題クラスに適用される。これらの問題は変位を変数として定式化され、時間方向には陰的オイラー法、空間方向には有限要素法によって離散化され、さらに半滑らかなニュートン法によって解かれる。本研究では、フォンミーゼスおよびプラガー・ドレイカーの降伏条件を持つ選択されたモデルと4種類の有限要素について詳細に考察する。関連するコードはダウンロード可能である。特に接線剛性行列のアセンブリングに重点を置いている。これらの行列は各ニュートン... | ja |
There appears to be a longtime, very slowly evolving state in dense simple fluids which, for high enough density, approaches a glassy nonergodic state. The nature of the nonergodic state can be characterized by the associated static equilibrium state. In particular, systems driven by Smoluchowski or Newtonian dynamics ... | ມີສະພາບການດົນໃຈໜຶ່ງທີ່ພັດທະນາໄປຢ່າງຊ້າໆໃນຂອງແຫຼວງ່າຍໆທີ່ແໜ້ນ, ເ´ຊິ່ງສໍາລັບຄວາມແໜ້ນທີ່ພຽງພໍສູງ, ຈະເຂົ້າໃກ້ສູ່ສະພາບການແກ້ວທີ່ບໍ່ມີຄວາມເປັນເອກະພາບ (nonergodic). ລັກສະນະຂອງສະພາບການທີ່ບໍ່ມີຄວາມເປັນເອກະພາບນີ້ສາມາດຖືກອະທິບາຍໂດຍສະພາບການສົມດຸນສະຖິດທີ່ກ່ຽວຂ້ອງ. ໂດຍສະເພາະ, ລະບົບຕ່າງໆທີ່ຖືກຂັບເຄື່ອນໂດຍເງື່ອນໄຂຂອງ Smoluchowski ຫຼື ... | lo |
This text is a survey (Bourbaki seminar) on the paper "Liouville quantum gravity and KPZ" By B.Duplantier and S.Sheffield. The study of statistical physics models in two dimensions (d=2) at their critical point is in general a significantly hard problem (not to mention the d=3 case). In the eighties, three physicists... | Văn bản này là một bản khảo sát (bài giảng Bourbaki) về bài báo "Lý thuyết hấp dẫn lượng tử Liouville và KPZ" của B. Duplantier và S. Sheffield. Việc nghiên cứu các mô hình vật lý thống kê trong hai chiều (d=2) tại điểm tới hạn nói chung là một vấn đề rất khó (chưa kể đến trường hợp d=3). Vào những năm tám mươi, ba nhà... | vi |
A pre-modular form $Z_n(\sigma; \tau)$ of weight $\tfrac{1}{2} n(n + 1)$ is introduced for each $n \in \Bbb N$, where $(\sigma, \tau) \in \Bbb C \times \Bbb H$, such that for $E_\tau = \Bbb C/(\Bbb Z + \Bbb Z \tau)$, every non-trivial zero of $Z_n(\sigma; \tau)$, namely $\sigma \not\in E_\tau[2]$, corresponds to a (sca... | 对每个 $n \in \Bbb N$，引入一个权为 $\tfrac{1}{2} n(n + 1)$ 的预模形式 $Z_n(\sigma; \tau)$，其中 $(\sigma, \tau) \in \Bbb C \times \Bbb H$，使得对于椭圆曲线 $E_\tau = \Bbb C/(\Bbb Z + \Bbb Z \tau)$，$Z_n(\sigma; \tau)$ 的每个非平凡零点，即 $\sigma \not\in E_\tau[2]$，对应于平坦环面 $E_\tau$ 上具有奇性强度 $\rho = 8\pi n$ 的平均场方程
\begin{equation} \tag{MFE} \triangle u + e^... | zh |
We propose an effective and flexible way to implement 2D and 3D elastoplastic problems in MATLAB using fully vectorized codes. Our technique is applied to a broad class of the problems including perfect plasticity or plasticity with hardening and several yield criteria. The problems are formulated in terms of displacem... | Propomos um método eficaz e flexível para implementar problemas elastoplásticos 2D e 3D no MATLAB utilizando códigos totalmente vetorizados. Nossa técnica é aplicada a uma ampla classe de problemas, incluindo plasticidade perfeita ou plasticidade com encruamento e diversos critérios de escoamento. Os problemas são form... | pt |
We present a model of worldwide crisis contagion based on the Google matrix analysis of the world trade network obtained from the UN Comtrade database. The fraction of bankrupted countries exhibits an \textit{on-off} phase transition governed by a bankruptcy threshold $\kappa$ related to the trade balance of the countr... | نقدم نموذجًا لانتشار الأزمات على مستوى العالم يستند إلى تحليل مصفوفة جوجل لشبكة التجارة العالمية المستمدة من قاعدة بيانات الأمم المتحدة للتجارة (UN Comtrade). ويُظهر معدل الدول المفلسة انتقالًا طوريًا من نوع "شغيل-إطفاء" يتحكّم فيه عتبة الإفلاس $\kappa$ المرتبطة بالتوازن التجاري للدول. بالنسبة لقيم $\kappa>\kappa_c$، ي... | ar |
Monocular depth estimation and semantic segmentation are two fundamental goals of scene understanding. Due to the advantages of task interaction, many works study the joint task learning algorithm. However, most existing methods fail to fully leverage the semantic labels, ignoring the provided context structures and on... | ការប៉ាន់ស្មានជម្រៅតាមភ្នែកតែមួយ និងការបំបែកអត្ថន័យគឺជាគោលដៅសំខាន់ពីរសម្រាប់ការយល់ដឹងអំពីឆាក។ ដោយសារតែអត្ថប្រយោជន៍នៃការអន្តរកម្មរវាងការងារ ការងារជាច្រើនបានសិក្សាអំពីក្បួនដោះស្រាយរៀនការងាររួមគ្នា។ ទោះជាយ៉ាងណាក៏ដោយ វិធីសាស្ត្រភាគច្រើនដែលមានស្រាប់មិនអាចប្រើប្រាស់ស្លាកអត្ថន័យបានពេញលេញទេ ដោយមិនយកចិត្តទុកដាក់លើរចនាសម្ព័ន្ធបរិ... | km |
Massive stars are important building blocks of the Universe, and their stellar structure and evolution models are fundamental cornerstones of various fields in modern astrophysics. The precision of these models is limited by our lack of understanding of various internal mixing processes that significantly influence the... | As estrelas massivas são blocos construtivos importantes do Universo, e os modelos de sua estrutura estelar e evolução são pilares fundamentais em diversos campos da astrofísica moderna. A precisão desses modelos é limitada pela nossa falta de compreensão de diversos processos internos de mistura que influenciam signif... | pt |
Self-similarity and long-range correlations are the remarkable features of the Earth's surface topography. Here we develop an approach based on percolation theory to study the geometrical features of Earth. Our analysis is based on high-resolution, 1 arc min, ETOPO1 global relief records.We find some evidence for abrup... | ကမ္ဘာ့မျက်နှာပြင် အမြင့်နိမ့်အဆင့်အတန်းတွင် ကိုယ်ချင်းစာနှိုင်းနိုင်ခြင်းနှင့် အကွာအဝေးရှည် ဆက်စပ်မှုများမှာ ထင်ရှားသော အင်္ဂါရပ်များ ဖြစ်ပါသည်။ ဤတွင် ကမ္ဘာ့ပုံသဏ္ဍာန်ဆိုင်ရာ အင်္ဂါရပ်များကို လေ့လာရန် ပါက်ကွဲမှု သီအိုရီအပေါ် အခြေခံသော ချဉ်းကပ်မှုတစ်ခုကို ဖွံ့ဖြိုးတိုးတက်စေပါသည်။ ကျွန်ုပ်တို့၏ ဆန်းစစ်သုံးသပ်မှုမှာ အမြင့... | my |
The complete mid- to far- infrared continuum energy distribution collected with the Infrared Space Observatory of the Seyfert 2 prototype NGC 5252 is presented. ISOCAM images taken in the 3--15 micron range show a resolved central source that is consistent at all bands with a region of about 1.3 kpc in size. Due to the... | Taburan tenaga terus menerus lengkap dari julat sederhana hingga jauh inframerah yang dikumpul menggunakan Observatory Angkasa Inframerah bagi prototaip Seyfert 2, NGC 5252, dibentangkan. Imej ISOCAM yang diambil dalam julat 3–15 mikron menunjukkan sumber pusat yang terasing dan konsisten pada semua jalur dengan kawasa... | ms |
We review recent progress in modeling credit risk for correlated assets. We start from the Merton model which default events and losses are derived from the asset values at maturity. To estimate the time development of the asset values, the stock prices are used whose correlations have a strong impact on the loss distr... | យើងខ្ញុំពិនិត្យឡើងវិញនូវវឌ្ឍនភាពថ្មីៗក្នុងការគំរូគ្រោះថ្នាក់ឥណទានសម្រាប់ទ្រព្យសកម្មដែលមានទំនាក់ទំនងគ្នា។ យើងចាប់ផ្តើមពីគំរូរបស់ម៉ែនធើ (Merton model) ដែលព្រឹត្តិការណ៍បរាជ័យ និងការខាតបង់ត្រូវបានគេបានមកពីតម្លៃទ្រព្យសកម្មនៅពេលផុតកំណត់។ ដើម្បីប៉ាន់ប្រមាណការអភិវឌ្ឍន៍តម្លៃទ្រព្យសកម្មតាមពេលវេលា គេប្រើតម្លៃភាគហ៊ុន ដែលទំនាក់ទំនង... | km |
Neurodegenerative parkinsonism can be assessed by dopamine transporter single photon emission computed tomography (DaT-SPECT). Although generating images is time consuming, these images can show interobserver variability and they have been visually interpreted by nuclear medicine physicians to date. Accordingly, this s... | Нейродегенеративті паркинсонизмді дофамин тасымалдаушы бір фотонды шығаруның томографиясы (DaT-SPECT) арқылы бағалауға болады. Кескіндерді алу уақытқа тәуелді болғанымен, бұл кескіндер интеробсерваторлық өзгергіштікті көрсетуі мүмкін және әлі күнге дейін ядролық медицина мамандары оларды визуалды түсіндіріп келеді. Сон... | kk |
Successful applications of reinforcement learning in real-world problems often require dealing with partially observable states. It is in general very challenging to construct and infer hidden states as they often depend on the agent's entire interaction history and may require substantial domain knowledge. In this wor... | Madalas na kailanganin sa matagumpay na aplikasyon ng reinforcement learning sa mga tunay na problema ang pagharap sa mga bahagyang nakikita lamang na estado. Sa pangkalahatan, lubhang mahirap bumuo at hatulan ang mga nakatagong estado dahil kadalasan ito ay nakadepende sa buong kasaysayan ng interaksyon ng ahente at m... | tl |
We have detected, for the first time, Cepheid variables in the Sculptor Group spiral galaxy NGC 7793. From wide-field images obtained in the optical V and I bands on 56 nights in 2003-2005, we have discovered 17 long-period (24-62 days) Cepheids whose periods and mean magnitudes define tight period-luminosity relations... | Wir haben erstmals Cepheiden in der Spiralgalaxie NGC 7793 der Sculptor-Gruppe nachgewiesen. Anhand von weiträumigen Aufnahmen im optischen V- und I-Band, die an 56 Nächten zwischen 2003 und 2005 gewonnen wurden, entdeckten wir 17 langperiodische (24–62 Tage) Cepheiden, deren Perioden und mittlere Helligkeiten enge Per... | de |
Recently many algorithms were devised for reinforcement learning (RL) with function approximation. While they have clear algorithmic distinctions, they also have many implementation differences that are algorithm-independent and sometimes under-emphasized. Such mixing of algorithmic novelty and implementation craftsman... | 最近，人们提出了许多采用函数逼近的强化学习（RL）算法。尽管这些算法在算法设计上存在明显差异，但它们在实现层面也存在诸多与算法本身无关、有时被低估的差别。算法创新与实现技巧的混合使得难以严格分析不同算法性能提升的来源。在本研究中，我们聚焦于一系列基于策略外推断的演员-评论家算法——MPO、AWR 和 SAC，以分离它们的算法创新与实现决策。我们通过单一的“控制即推断”目标提供了统一的推导框架，在该框架下，可将每个算法归类为基于期望最大化（EM）或直接的Kullback-Leibler（KL）散度最小化，并将其余设定视为实现细节。我们进行了广泛的消融实验，发现当实现细节与算法选择不匹配时，性能会显著下降。这些结果揭示了哪些实现或代码细... | zh |
This paper investigates the problem of finding a fixed point for a global nonexpansive operator under time-varying communication graphs in real Hilbert spaces, where the global operator is separable and composed of an aggregate sum of local nonexpansive operators. Each local operator is only privately accessible to eac... | В данной работе исследуется задача нахождения неподвижной точки глобального несжимающего оператора при условиях изменяющихся во времени графов связи в вещественных гильбертовых пространствах, где глобальный оператор является разделимым и состоит из суммы локальных несжимающих операторов. Каждый локальный оператор досту... | ru |
This paper aims at explaining the two phases in the observed specific star formation rate (sSFR), namely the high (>3/Gyr) values at z>2 and the smooth decrease since z=2. In order to do this, we compare to observations the specific star formation rate evolution predicted by well calibrated models of chemical evolution... | บทความนี้มีวัตถุประสงค์เพื่ออธิบายสองช่วงเวลาที่สังเกดเห็นในอัตราการเกิดดาวเฉพาะ (sSFR) ได้แก่ ค่าสูง (>3/กิกะปี) ที่ z>2 และการลดลงอย่างต่อเนื่องตั้งแต่ z=2 เพื่อให้บรรลุวัตถุประสงค์นี้ เราเปรียบเทียบการวิวัฒนาการของอัตราการเกิดดาวเฉพาะที่ทำนายโดยแบบจำลองการวิวัฒนาการทางเคมีที่ได้รับการปรับคาลิเบรตมาอย่างดีสำหรับกาแล็... | th |
Fast radio bursts are radio transients observed mainly around 1.5 GHz. Their peak frequency decreases at a rate of 100 ~ 500 MHz/s and some of them have a broader pulse with an exponentially decaying tail. Common assumptions for fast radio bursts include a dispersion effect resulting in the peak frequency drifting and ... | Rychlé rádiové záblesky jsou rádiové tranzienty pozorované převážně kolem frekvence 1,5 GHz. Jejich špičková frekvence klesá rychlostí 100 až 500 MHz/s a některé z nich mají širší puls s exponenciálně klesajícím závěrem. Běžnými předpoklady pro rychlé rádiové záblesky jsou disperzní efekt způsobující posun špičkové fre... | cs |
Color centers in solid state crystals have become a frequently used system for single photon generation, advancing the development of integrated photonic devices for quantum optics and quantum communication applications. In particular, defects hosted by two-dimensional (2D) hexagonal boron nitride (hBN) are a promising... | ঠোস অবস্থার ক্রিস্টালে রঙিন কেন্দ্রগুলি একক ফোটন উৎপাদনের জন্য একটি প্রায়শই ব্যবহৃত ব্যবস্থা হয়ে উঠেছে, যা কোয়ান্টাম অপটিক্স এবং কোয়ান্টাম যোগাযোগ অ্যাপ্লিকেশনগুলির জন্য একীভূত ফোটোনিক ডিভাইসগুলির উন্নয়নকে এগিয়ে নিয়ে যাচ্ছে। বিশেষ করে, দ্বি-মাত্রিক (2D) ষড়ভুজাকার বোরন নাইট্রাইড (hBN)-এ থাকা ত্রুটিগুলি পরবর্তী প... | bn |
We present a general form of Renormalization operator $\mathcal{R}$ acting on potentials $V:\{0,1\}^\mathbb{N} \to \mathbb{R}$. We exhibit the analytical expression of the fixed point potential $V$ for such operator $\mathcal{R}$. This potential can be expressed in a naturally way in terms of a certain integral over th... | Мы представляем общий вид оператора ренормализации $\mathcal{R}$, действующего на потенциалы $V:\{0,1\}^\mathbb{N} \to \mathbb{R}$. Мы приводим аналитическое выражение потенциала $V$, являющегося неподвижной точкой для такого оператора $\mathcal{R}$. Этот потенциал может быть естественным образом выражен через определё... | ru |
In this paper, we propose Normalized Convolutional Neural Network(NCNN). NCNN is more fitted to a convolutional operator than other nomralizaiton methods. The normalized process is similar to a normalization methods, but NCNN is more adapative to sliced-inputs and corresponding the convolutional kernel. Therefor NCNN c... | ในงานวิจัยนี้ เราขอเสนอเครือข่ายประสาทเทียมแบบคอนโวลูชันที่มีการปรับปรุง (Normalized Convolutional Neural Network: NCNN) ซึ่งเหมาะสมกับตัวดำเนินการคอนโวลูชันมากกว่าวิธีการปรับปรุงอื่น ๆ กระบวนการปรับปรุงมีลักษณะคล้ายกับวิธีการปรับปรุงทั่วไป แต่ NCNN มีความเหมาะสมและยืดหยุ่นมากกว่าต่อข้อมูลนำเข้าที่แบ่งเป็นส่วนย่อย (sli... | th |
In this study, a partially submerged vertical cylinder is moved at constant velocity through water, which is initially at rest. During the motion, the wake behind the cylinder induces free-surface deformation. Eleven cylinders, with diameters from $D=1.4$ to 16 cm, were tested at two different conditions: (i) constant ... | ក្នុងការសិក្សានេះ ស៊ីឡាំងបញ្ឈរដែលត្រូវបានលិចមួយផ្នែក ត្រូវបានផ្លាស់ទីក្នុងល្បឿនថេរតាមទឹក ដែលដំបូងនៅស្ងៀម។ កំឡុងពេលផ្លាស់ទី ខ្សែព្យួរនៅពីក្រោយស៊ីឡាំងបង្កើតការខូចទ្រង់ទ្រាយនៃផ្ទៃសេរី។ ស៊ីឡាំងចំនួន 11 ដែលមានអង្កត់ផ្ចិតចាប់ពី $D=1.4$ ទៅ 16 សង់ទីម៉ែត្រ ត្រូវបានធ្វើតេស្តក្រោមលក្ខខណ្ឌពីរផ្សេងគ្នា៖ (i) កំពស់លិចថេរ $h$ និង (ii)... | km |
Images recorded during the lifetime of computer vision based systems undergo a wide range of illumination and environmental conditions affecting the reliability of previously trained machine learning models. Image normalization is hence a valuable preprocessing component to enhance the models' robustness. To this end, ... | ကွန်ပျူတာမြင်ကွင်းစနစ်များ၏ အသက်တမ်းအတွင်း မှတ်တမ်းတင်ထားသော ပုံများသည် ယခင်က လေ့ကျင့်ထားသည့် စက်သင်ယူမှုမော်ဒယ်များ၏ ယုံကြည်စိတ်ချရမှုကို ထိခိုက်စေသော အလင်းရောင်နှင့် ပတ်ဝန်းကျင်ဆိုင်ရာ အခြေအနေများစွာကို ခံစားရပါသည်။ ထို့ကြောင့် မော်ဒယ်များ၏ ခိုင်မာမှုကို မြှင့်တင်ရန် ပုံပုံများကို ပုံမှန်ပြုလုပ်ခြင်းသည် အရေးပါသော ကြိ... | my |
We systematically study, in the context of the standard cold dark matter model, star-formation suppression effects of two important known physical processes---photoheating due to reionization of the intergalactic medium and gravitational shock heating due to formation of massive halos and large-scale structure---on the... | เราได้ศึกษาอย่างเป็นระบบในบริบทของแบบจำลองสสารมืดเย็นมาตรฐาน เกี่ยวกับผลการยับยั้งการก่อตัวของดาวฤกษ์จากกระบวนการทางกายภาพที่สำคัญสองประการ ได้แก่ การให้ความร้อนด้วยรังสีโฟตอนอันเนื่องมาจากการไอออไนซ์ของสื่อกลางระหว่างดาราจักร และการให้ความร้อนด้วยแรงโน้มถ่วงจากการชนกันอย่างรุนแรงอันเนื่องมาจากการก่อตัวของฮาโลมวลมากและ... | th |
Color centers in solid state crystals have become a frequently used system for single photon generation, advancing the development of integrated photonic devices for quantum optics and quantum communication applications. In particular, defects hosted by two-dimensional (2D) hexagonal boron nitride (hBN) are a promising... | ផ្ចុំពណ៌នៅក្នុងផលៃការ៉ីស្តាល់ស្ថានភាពរឹង បានក្លាយជាប្រព័ន្ធដែលគេប្រើញឹកញាប់សម្រាប់ការបង្កើតផោតុងតែមួយ ដែលជំរុញការអភិវឌ្ឍន៍ឧបករណ៍ផូតូនិកដែលបានបញ្ចូលគ្នាសម្រាប់កម្មវិធីផ្នែកផ្សំប៉ះពេញលេញ និងការទំនាក់ទំនងប៉ះពេញលេញ។ ជាពិសេស កំហុសឆ្គងដែលមាននៅក្នុងប័រអាយីដ្រូនីញ៉ូម (hBN) ទ្វេមាត្រដ្ឋាន (2D) គឺជាបេក្ខជនសន្យាថានឹងក្លាយជាប្រភពផ... | km |
We have detected, for the first time, Cepheid variables in the Sculptor Group spiral galaxy NGC 7793. From wide-field images obtained in the optical V and I bands on 56 nights in 2003-2005, we have discovered 17 long-period (24-62 days) Cepheids whose periods and mean magnitudes define tight period-luminosity relations... | Abbiamo rilevato, per la prima volta, variabili Cefeidi nella galassia a spirale NGC 7793 del Gruppo dello Scultore. A partire da immagini a grande campo ottenute nelle bande ottiche V e I su 56 notti nel periodo 2003-2005, abbiamo scoperto 17 Cefeidi a lungo periodo (24-62 giorni) i cui periodi e magnitudini medie def... | it |
The gang of bandits (GOB) model \cite{cesa2013gang} is a recent contextual bandits framework that shares information between a set of bandit problems, related by a known (possibly noisy) graph. This model is useful in problems like recommender systems where the large number of users makes it vital to transfer informati... | বাহিনীবাদীদের দল (GOB) মডেল \cite{cesa2013gang} হল সাম্প্রতিক একটি প্রাসঙ্গিক বাহিনীবাদী কাঠামো যা একটি সেটের মধ্যে তথ্য ভাগ করে, যেখানে বাহিনীবাদী সমস্যাগুলি একটি পরিচিত (সম্ভাব্য ক্রিয়াশীল) গ্রাফ দ্বারা সম্পর্কিত থাকে। এই মডেলটি রিকমেন্ডার সিস্টেমের মতো সমস্যাগুলিতে উপযোগী যেখানে ব্যবহারকারীদের বৃহৎ সংখ্যা ব্যবহারকা... | bn |
Massive stars are important building blocks of the Universe, and their stellar structure and evolution models are fundamental cornerstones of various fields in modern astrophysics. The precision of these models is limited by our lack of understanding of various internal mixing processes that significantly influence the... | Các ngôi sao khối lượng lớn là những khối cấu thành quan trọng của Vũ trụ, và các mô hình cấu trúc sao cùng tiến hóa sao của chúng là những trụ cột cơ bản trong nhiều lĩnh vực của thiên văn học hiện đại. Độ chính xác của các mô hình này bị giới hạn bởi sự thiếu hiểu biết của chúng ta về các quá trình trộn lẫn bên trong... | vi |
Autonomous cars are subjected to several different kind of inputs (other cars, road structure, etc.) and, therefore, testing the car under all possible conditions is impossible. To tackle this problem, scenario-based testing for automated driving defines categories of different scenarios that should be covered. Althoug... | Các xe tự hành phải chịu nhiều loại đầu vào khác nhau (các xe khác, cấu trúc đường, v.v.) và do đó, việc kiểm thử xe trong mọi điều kiện có thể xảy ra là không thể. Để giải quyết vấn đề này, việc kiểm thử dựa trên kịch bản cho hệ thống lái tự động định nghĩa các nhóm kịch bản khác nhau cần được bao phủ. Mặc dù loại bao... | vi |
In this paper, channel estimation and data detection for multihop relaying orthogonal frequency division multiplexing (OFDM) system is investigated under time-varying channel. Different from previous works, which highly depend on the statistical information of the doubly-selective channel (DSC) and noise to deliver acc... | V tomto článku je zkoumáno odhad kanálu a detekce dat pro systém ortogonálního multiplexování s dělením frekvence (OFDM) s vícecestným přenosovým skokem za podmínek časově proměnného kanálu. Na rozdíl od předchozích prací, které silně závisí na statistických informacích o dvojnásobně selektivním kanálu (DSC) a šumu pro... | cs |
We study stochastic two-player turn-based games in which the objective of one player is to ensure several infinite-horizon total reward objectives, while the other player attempts to spoil at least one of the objectives. The games have previously been shown not to be determined, and an approximation algorithm for compu... | Chúng tôi nghiên cứu các trò chơi ngẫu nhiên theo lượt giữa hai người chơi, trong đó mục tiêu của một người chơi là đảm bảo đạt được đồng thời nhiều mục tiêu phần thưởng tích lũy vô hạn kỳ hạn, trong khi người chơi kia tìm cách phá hỏng ít nhất một trong các mục tiêu đó. Các trò chơi này trước đây đã được chứng minh là... | vi |
Objective: This work aimed to demonstrate the effectiveness of a hybrid approach based on Sentence BERT model and retrofitting algorithm to compute relatedness between any two biomedical concepts. Materials and Methods: We generated concept vectors by encoding concept preferred terms using ELMo, BERT, and Sentence BERT... | Zielsetzung: Diese Arbeit hatte zum Ziel, die Wirksamkeit eines hybriden Ansatzes basierend auf dem Sentence-BERT-Modell und einem Retrofitting-Algorithmus zur Berechnung der Verwandtschaft zwischen zwei beliebigen biomedizinischen Konzepten zu demonstrieren. Material und Methoden: Wir erzeugten Konzeptvektoren, indem ... | de |
We survey results on the creation of heteronuclear Fermi molecules by tuning a degenerate Bose-Fermi mixture into the neighborhood of an association resonance, either photoassociation or Feshbach, as well as the subsequent prospects for Cooper-like pairing between atoms and molecules. In the simplest case of only one m... | ພວກເຮົາສຳຫຼວດຜົນການຄົ້ນຄວ້າກ່ຽວກັບການສ້າງໂມເລກຸນເຟີມິໂນເຊີໂນເຊີໂດຍການປັບສ່ວນປະສົມບອດ-ເຟີມິໃຫ້ຢູ່ໃກ້ກັບກ່ອງກຳເນີດຂອງການຮ່ວມໂມເລກຸນ ເຊິ່ງອາດເກີດຈາກການຮ່ວມໂມເລກຸນດ້ວຍແສງ ຫຼື ເຟດສບາກ, ພ້ອມທັງມີທ່າອ່ຽງທີ່ຈະເກີດການຄູ່ຂອງເຟີມິຄ້າຍຄືກັບການຄູ່ຂອງໂຄເອີ. ໃນກໍລະນີງ່າຍທີ່ສຸດທີ່ມີພຽງແຕ່ໜຶ່ງສະຖານະໂມເລກຸນ ເຊິ່ງກໍຄືກັບການຮ່ວມກັນທີ່ເກີດ... | lo |
We present a general form of Renormalization operator $\mathcal{R}$ acting on potentials $V:\{0,1\}^\mathbb{N} \to \mathbb{R}$. We exhibit the analytical expression of the fixed point potential $V$ for such operator $\mathcal{R}$. This potential can be expressed in a naturally way in terms of a certain integral over th... | 우리는 포텐셜 $V:\{0,1\}^\mathbb{N} \to \mathbb{R}$에 작용하는 일반적인 형태의 재정규화 연산자 $\mathcal{R}$을 제시한다. 이 연산자 $\mathcal{R}$에 대한 고정점 포텐셜 $V$의 해석적 표현을 제시한다. 이 포텐셜은 구간 $[0,1]$ 위의 칸토르 유형의 집합에 정의된 하우스도르프 확률에 대한 적분을 통해 자연스럽게 표현될 수 있다. 이 결과는 이전에 A. Baraviera, R. Leplaideur 및 A. Lopes가 고정점 포텐셜 $V$가 호프바우어 유형일 때 다룬 결과를 일반화한 것이다. 호프바우어 유형의 포텐... | ko |
We consider a broadcast communication system over parallel sub-channels where the transmitter sends three messages: a common message to two users, and two confidential messages to each user which need to be kept secret from the other user. We assume partial channel state information at the transmitter (CSIT), stemming ... | 우리는 병렬 서브 채널을 통해 작동하는 방송 통신 시스템을 고려한다. 이 시스템에서 송신기는 두 사용자에게 공통적으로 전달되는 하나의 공통 메시지와 각 사용자에게 전달되며 다른 사용자로부터 비밀을 유지해야 하는 두 개의 기밀 메시지를 전송한다. 우리는 송신기에서 부분적인 채널 상태 정보(CSIT)를 가정하며, 이 정보는 잡음이 포함된 채널 추정으로부터 유도된다. 본 논문의 첫 번째 기여는 적절한 가중치를 사용하여 가중 합률 문제의 해로 비밀 용량 영역 경계를 특성화한 것이다. 부분적인 CSIT 문제는 추정된 채널 이득에 마진을 추가함으로써 해결된다. 본 논문의 두 번... | ko |
Cluster formation and gas dynamics in the central regions of barred galaxies are not well understood. This paper reviews the environment of three 10^7 Msun clusters near the inner Lindblad resonance of the barred spiral NGC 1365. The morphology, mass, and flow of HI and CO gas in the spiral and barred regions are exami... | لا تُفهم جيدًا عملية تكوّن العناقيد والديناميكا الغازية في المناطق المركزية للحلقات المُضلَّعة. يستعرض هذا البحث البيئة المحيطة بثلاثة عناقيد تبلغ كتلتها 10^7 كتلة شمسية بالقرب من اهتزاز ليندبلاد الداخلي في المجرة الحلزونية المُضلَّعة NGC 1365. يتم فحص الشكل المورفولوجي والكتلة وتدفق الغازين (HI وCO) في مناطق الحلزون و... | ar |
Thermodynamics relies on the possibility to describe systems composed of a large number of constituents in terms of few macroscopic variables. Its foundations are rooted into the paradigm of statistical mechanics, where thermal properties originate from averaging procedures which smoothen out local details. While undou... | Ang termodinamika ay nakasalalay sa posibilidad na mailarawan ang mga sistemang binubuo ng malaking bilang ng mga sangkap sa pamamagitan ng ilang makroskopikong mga bariabulo. Ang mga pundasyon nito ay nakabatay sa paradigma ng estadistikong mekanika, kung saan ang mga termal na katangian ay nagmumula sa mga prosesong ... | tl |
Autonomous cars are subjected to several different kind of inputs (other cars, road structure, etc.) and, therefore, testing the car under all possible conditions is impossible. To tackle this problem, scenario-based testing for automated driving defines categories of different scenarios that should be covered. Althoug... | Le automobili autonome sono soggette a diversi tipi di input (altre auto, struttura della strada, ecc.) e, pertanto, è impossibile testare l'auto in tutte le condizioni possibili. Per affrontare questo problema, il testing basato su scenari per la guida automatizzata definisce categorie di scenari differenti che dovreb... | it |
Given $\beta\in(1,2)$ the fat Sierpinski gasket $\mathcal S_\beta$ is the self-similar set in $\mathbb R^2$ generated by the iterated function system (IFS) \[ f_{\beta,d}(x)=\frac{x+d}{\beta},\quad d\in\mathcal A:=\{(0, 0), (1,0), (0,1)\}. \] Then for each point $P\in\mathcal S_\beta$ there exists a sequence $(d_... | Je-li dáno $\beta\in(1,2)$, pak tlustý Sierpinského houbičkovitý fraktál $\mathcal S_\beta$ je soběpodobná množina v $\mathbb R^2$ generovaná systémem iterovaných funkcí (IFS) \[ f_{\beta,d}(x)=\frac{x+d}{\beta},\quad d\in\mathcal A:=\{(0, 0), (1,0), (0,1)\}. \] Potom ke každému bodu $P\in\mathcal S_\beta$ existu... | cs |
We consider a broadcast communication system over parallel sub-channels where the transmitter sends three messages: a common message to two users, and two confidential messages to each user which need to be kept secret from the other user. We assume partial channel state information at the transmitter (CSIT), stemming ... | Мы рассматриваем систему вещательной связи по параллельным подканалам, в которой передатчик передаёт три сообщения: общее сообщение для двух пользователей и два конфиденциальных сообщения — каждому пользователю отдельно, которые необходимо скрыть от другого пользователя. Предполагается наличие частичной информации о со... | ru |
Special-purpose constraint propagation algorithms frequently make implicit use of short supports -- by examining a subset of the variables, they can infer support (a justification that a variable-value pair may still form part of an assignment that satisfies the constraint) for all other variables and values and save s... | Özel amaçlı kısıt yayma algoritmaları sıklıkla kısa desteklerden dolaylı olarak yararlanır—değişkenlerin bir alt kümesini inceleyerek, bir kısıtı sağlayan bir atamada hâlâ yer alabileceğine dair bir gerekçe (bir değişken-değer çifti için destek) çıkarabilir ve diğer tüm değişkenler ve değerler için önemli ölçüde işten ... | tr |
Background: Despite the growth in the use of software analytics platforms in industry, little empirical evidence is available about the challenges that practitioners face and the value that these platforms provide. Aim: The goal of this research is to explore the benefits of using a software analytics platform for prac... | Pozadí: I přes růst využívání analytických softwarových platforem v průmyslu je k dispozici jen málo empirických důkazů o výzvách, kterým praxí čelí, a o hodnotě, kterou tyto platformy poskytují. Cíl: Cílem tohoto výzkumu je prozkoumat výhody používání analytické softwarové platformy pro odborníky řídící kvalitu. Metod... | cs |
We consider a broadcast communication system over parallel sub-channels where the transmitter sends three messages: a common message to two users, and two confidential messages to each user which need to be kept secret from the other user. We assume partial channel state information at the transmitter (CSIT), stemming ... | Kami mengkaji sistem komunikasi siaran melalui sub-saluran selari di mana pemancar menghantar tiga mesej: satu mesej sepunya kepada dua pengguna, dan dua mesej sulit kepada setiap pengguna yang perlu dirahasiakan daripada pengguna lain. Kami mengandaikan maklumat keadaan saluran separa di pemancar (CSIT), yang timbul d... | ms |
Ferrofluids show unusual hydrodynamic effects due to the magnetic nature of their constituents. For increasing magnetization a classical ferrofluid undergoes a Rosensweig instability and creates self-organized ordered surface structures or droplet crystals. A Bose-Einstein condensate with strong dipolar interactions is... | ເຫຼວເຫຼ້າເຫຼ່າທີ່ມີຄວາມເປັນເຫຼ້າເຫຼ່າເຫຼ້ານີ້ສະແດງຜົນກະທົບທາງໄຮດີໂຮໄດັນມິກທີ່ຜິດປົກກະຕິຍ້ອນຄຸນສົມບັດທາງແມ່ເຫຼ່າຂອງສ່ວນປະກອບຂອງມັນ. ສຳລັບການເຮັດໃຫ້ມີແມ່ເຫຼ່າທີ່ເພີ່ມຂຶ້ນ ເຫຼວເຫຼ້າເຫຼ່າເຫຼ້າເຫຼ່າທຳມະດາຈະຜ່ານຄວາມບໍ່ໝັ້ນຄົງຂອງໂຣເຊັນສະໄວ້ (Rosensweig instability) ແລະ ສ້າງໂຄງສ້າງຜິວໜ້າທີ່ຈັດລຽງຕາມລຳດັບ ຫຼື ຜົນກຶກຜົນການຈັດຕັ້... | lo |
Planet host stars with well-constrained ages provide a rare window to the time domain of planet formation and evolution. The NASA K2 mission has enabled the discovery of the vast majority of known planets transiting stars in clusters, providing a valuable sample of planets with known ages and radii. We present the disc... | 具有精确年龄约束的行星宿主星为研究行星形成与演化的时间尺度提供了难得的窗口。NASA的K2任务使得在星团中发现大量已知的凌星行星成为可能，从而提供了一个具有确定年龄和半径的宝贵行星样本。我们报告发现了两颗围绕K2-264运行的行星，K2-264是一颗位于中等年龄（6亿至8亿年）的鬼宿星团（又称蜂巢星团、M44或NGC 2632）中的M2型矮星，该星团在K2任务的第16次观测活动中被观测。这两颗行星的轨道周期分别为5.8天和19.7天，半径分别为$2.2 \pm 0.2$和$2.7 \pm 0.2$ $R_\oplus$，其平衡温度为$496 \pm 10$ K和$331 \pm 7$ K，因此这是一个由两颗温热亚海王星组成的系统。将... | zh |
The goal of this work is to train effective representations for keyword spotting via metric learning. Most existing works address keyword spotting as a closed-set classification problem, where both target and non-target keywords are predefined. Therefore, prevailing classifier-based keyword spotting systems perform poo... | 본 연구의 목적은 메트릭 학습을 통해 키워드 탐지용 효율적인 표현을 학습하는 것이다. 기존의 대부분 연구들은 키워드 탐지를 폐쇄형 분류 문제로 접근하며, 여기서 목표 키워드와 비목표 키워드 모두 사전에 정의된다. 따라서 일반적인 분류기 기반 키워드 탐지 시스템은 훈련 단계에서 미처 보지 못한 비목표 소리에 대해 성능이 저하되어 실제 환경에서 높은 오경보율을 초래한다. 실제로 키워드 탐지는 다양한 미지의 소리들 속에서 사전에 정의된 목표 키워드를 탐지하는 탐지 문제이다. 이는 미지의 비목표 소리들과 목표 키워드를 명확히 구분해야 한다는 점에서 메트릭 학습 문제와 유사성... | ko |
We present an analysis of thermal emission from comet 162P/Siding Spring (P/2004 TU12) measured during its discovery apparition in 2004 December. The comet showed no dust coma at this time, so we have sampled emission from the comet's nucleus. Observations using the Mid-Infrared Spectrometer and Imager (MIRSI) were per... | Předkládáme analýzu tepelného vyzařování z komety 162P/Siding Spring (P/2004 TU12), naměřeného během jejího objevu v prosinci 2004. V té době kometa nevykazovala prachovou komy, takže jsme zaznamenali vyzařování přímo z jádra komety. Pozorování byla provedena pomocí středně infračerveného spektrometru a zobrazovacího p... | cs |
We prove the computational weakness of a model of tile assembly that has so far resisted many attempts of formal analysis or positive constructions. Specifically, we prove that, in Winfree's abstract Tile Assembly Model, when restricted to use only noncooperative bindings, any long enough path that can grow in all term... | Kami membuktikan kelemahan pengiraan suatu model perhimpunan jubin yang sehingga kini telah menentang banyak percubaan analisis formal atau pembinaan positif. Secara khusus, kami membuktikan bahawa, dalam Model Perhimpunan Jubin Abstrak Winfree, apabila dibataskan untuk menggunakan hanya pengikatan tidak kooperatif, ma... | ms |
In 1992, V. Weispfenning proved the existence of Comprehensive Groebner Bases (CGB) and gave an algorithm to compute one. That algorithm was not very efficient and not canonical. Using his suggestions, A. Montes obtained in 2002 a more efficient algorithm (DISPGB) for Discussing Parametric Groebner Bases. Inspired in i... | ၁၉၉၂ ခုနှစ်တွင် V. Weispfenning သည် အကျယ်ရှုမ်း ဂရိုဘနာ အခြေခံများ (Comprehensive Groebner Bases - CGB) ရှိကြောင်း သက်သေပြခဲ့ပြီး ၎င်းတို့ကိုတွက်ချက်ရန် အယ်လ်ဂိုရိသမ်တစ်ခုကို ပေးအပ်ခဲ့သည်။ ထိုအယ်လ်ဂိုရိသမ်သည် ထိရောက်မှုနည်းပြီး မူရင်းကိုယ်စားပြုမှု (canonical) မဟုတ်ခဲ့ပေ။ သူ၏ အကြံပြုချက်များကို အသုံးပြု၍ A. Montes သည် ... | my |
Late blight disease is one of the most destructive diseases in potato crop, leading to serious yield losses globally. Accurate diagnosis of the disease at early stage is critical for precision disease control and management. Current farm practices in crop disease diagnosis are based on manual visual inspection, which i... | 감자 작물에서 만병병은 전 세계적으로 심각한 수확량 손실을 초래하는 가장 파괴적인 병해 중 하나이다. 병해를 조기에 정확하게 진단하는 것은 정밀한 병해 방제 및 관리에 매우 중요하다. 현재 농업 현장에서 병해 진단을 위한 일반적인 방법은 수작업 시각 검사에 의존하고 있는데, 이는 비용이 많이 들고 시간이 오래 걸리며 개인의 주관적 편향이 개입되기 쉽다. 최근의 영상 센서 기술(예: RGB, 다중 스펙트럼 및 초분광 카메라), 원격 탐사 및 기계 학습 분야의 발전은 이러한 문제를 해결할 수 있는 가능성을 제공하고 있다. 특히, 초분광 영상(HSI)과 기계 학습/딥 러닝... | ko |
Objective: This work aimed to demonstrate the effectiveness of a hybrid approach based on Sentence BERT model and retrofitting algorithm to compute relatedness between any two biomedical concepts. Materials and Methods: We generated concept vectors by encoding concept preferred terms using ELMo, BERT, and Sentence BERT... | Objetivo: Este trabajo tuvo como objetivo demostrar la efectividad de un enfoque híbrido basado en el modelo Sentence BERT y un algoritmo de retroalimentación (retrofitting) para calcular la relación entre dos conceptos biomédicos cualesquiera. Materiales y Métodos: Generamos vectores de conceptos codificando los térmi... | es |
A system of confined charged electrons interacting via the long-range Coulomb force can form a Wigner crystal due to their mutual repulsion. This happens when the potential energy of the system dominates over its kinetic energy, i.e., at low temperatures for a classical system and at low densities for a quantum one. At... | ລະບົບຂອງອິເລັກຕຼອນທີ່ຖືກຈຳກັດແລະມີປະຈຸກະຈາຍກັນຜ່ານແຮງຄູລອມທີ່ມີໄລຍະທາງໄກ ສາມາດປະກອບເປັນຜົງຄິດສະຕາລິນເວີ (Wigner crystal) ໄດ້ ເນື່ອງຈາກການເບົາະກັນຂອງພວກມັນ. ເຫດການນີ້ເກີດຂຶ້ນເມື່ອພະລັງງານ»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»»... | lo |
In this paper we construct a physical modelization of the universe expansion. The universe then reduces to a Riemannian space $0.2cm$ $(B(O,R(t)),g_t)$, where $R(t) \sim t$ for $t \gg $0, and $g_t$ is a time - dependent Riemannian metric which reflects and characterizes the dynamical matter - energy distribution $E_t(X... | ໃນບົດຄວາມນີ້ ພວກເຮົາສ້າງແບບຈຳລອງທາງດ້ານຮູບທຳຂອງການຂະຫຍາຍຕົວຂອງຈັກກະວານ. ຈັກກະວານຈະຫຼຸດລົງເປັນພື້ນທີ່ຣີມັນ $0.2cm$ $(B(O,R(t)),g_t)$, ເຊິ່ງ $R(t) \sim t$ ສຳລັບ $t \gg $0, ແລະ $g_t$ ແມ່ນມາຕິກາຣີມັນທີ່ຂຶ້ນກັບເວລາ ເຊິ່ງສະທ້ອນໃຫ້ເຫັນ ແລະ ລັກສະນະການແຈກຢາຍຂອງສານ-ພະລັງງານທີ່ເຄື່ອນໄຫວ $E_t(X)$ ໃນ $B(O,R(t))$ ຕາມຫຼັກການຂອງ ເມັດ-... | lo |
The goal of this work is to train effective representations for keyword spotting via metric learning. Most existing works address keyword spotting as a closed-set classification problem, where both target and non-target keywords are predefined. Therefore, prevailing classifier-based keyword spotting systems perform poo... | Mục tiêu của nghiên cứu này là huấn luyện các biểu diễn hiệu quả cho việc xác định từ khóa thông qua việc học khoảng cách. Hầu hết các nghiên cứu hiện có tiếp cận bài toán xác định từ khóa như một vấn đề phân loại tập đóng, trong đó cả từ khóa mục tiêu và không phải mục tiêu đều được xác định trước. Do đó, các hệ thống... | vi |
The structure and magnetic properties in doped Heusler alloys of Mn2CoGa and Mn2CoAl have been investigated by experiments and calculations. The main group elements of Ga and Al are substituted by the magnetic or non-magnetic transition metals, Co, Cu, V, and Ti in the alloy systems. Three kinds of local ferromagnetic ... | ได้มีการศึกษาโครงสร้างและคุณสมบัติแม่เหล็กของโลหะผสมเฮวล์เลอร์ชนิดเติมแต่ง Mn2CoGa และ Mn2CoAl โดยการทดลองและการคำนวณ ธาตุหมู่หลัก Ga และ Al ถูกแทนที่ด้วยธาตุทรานซิชันที่มีหรือไม่มีแม่เหล็ก ได้แก่ Co, Cu, V และ Ti ในระบบโลหะผสม พบโครงสร้างแม่เหล็กเฟอโรแมกเนติกในท้องถิ่นสามแบบ ได้แก่ Co-Mn-Co, Mn-Co-Mn และ Mn-Co-V โครงส... | th |
We have developed a software-based polarization spectrometer, PolariS, to acquire full-Stokes spectra with a very high spectral resolution of 61 Hz. The primary aim of PolariS is to measure the magnetic fields in dense star-forming cores by detecting the Zeeman splitting of molecular emission lines. The spectrometer co... | Біз толық Стокс спектрлерін 61 Гц-тің өте жоғары спектрлік ажыратымдылығымен алу үшін PolariS деп аталатын бағдарламалық поляризациялық спектрометрді әзірледік. PolariS-тің негізгі мақсаты молекулалық шығару сызықтарының Зееман бөлінуін анықтау арқылы тығыз жұлдыз түзілетін ядролардағы магнит өрістерін өлшеу болып табы... | kk |
The pentagram map is a discrete dynamical system defined on the moduli space of polygons in the projective plane. This map has recently attracted a considerable interest, mostly because its connection to a number of different domains, such as: classical projective geometry, algebraic combinatorics, moduli spaces, clust... | ផែនទីប្រាំមុខគឺជាប្រព័ន្ធដែលមានលក្ខណៈចល័ត និង ត្រូវបានកំណត់នៅលើលំហម៉ូឌុលនៃពហុកោណក្នុងប្លង់គម្រោង។ ផែនទីនេះបានទាក់ទាញការចាប់អារម្មណ៍យ៉ាងខ្លាំងក្នុងពេលថ្មីៗនេះ ភាគច្រើនដោយសារតែការតភ្ជាប់របស់វាទៅនឹងផ្នែកផ្សេងៗគ្នាជាច្រើន ដូចជា៖ ធរណីមាត្រគម្រោងបុរាណ ការរាប់អំពីពិជគណិត លំហម៉ូឌុល ពីរនារីក្លឹប និងប្រព័ន្ធអាចបញ្ចូលបាន។ ការសន្យ... | km |
Graphs are quickly emerging as a leading abstraction for the representation of data. One important application domain originates from an emerging discipline called "connectomics". Connectomics studies the brain as a graph; vertices correspond to neurons (or collections thereof) and edges correspond to structural or fun... | Os grafos estão rapidamente se tornando uma abstração líder para a representação de dados. Um importante domínio de aplicação surge de uma disciplina emergente chamada "conectômica". A conectômica estuda o cérebro como um grafo; os vértices correspondem a neurônios (ou conjuntos destes) e as arestas correspondem a cone... | pt |
We prove the computational weakness of a model of tile assembly that has so far resisted many attempts of formal analysis or positive constructions. Specifically, we prove that, in Winfree's abstract Tile Assembly Model, when restricted to use only noncooperative bindings, any long enough path that can grow in all term... | Söz konusu biçimsel analiz veya olumlu yapılandırmalar yönünden pek çok girişime karşı bugüne dek direnmiş olan bir döşeme birleşimi (tile assembly) modelinin hesaplama açısından zayıflığını kanıtlıyoruz. Özellikle, Winfree'in soyut Döşeme Birleşimi Modeli'nde, yalnızca kooperatif olmayan (noncooperative) bağlara sınır... | tr |
Most of previous studies concerning the Public Goods Game assume either participation is unconditional or the number of actual participants in a competitive group changes over time. How the fixed group size, prescribed by social institutions, affects the evolution of cooperation is still unclear. We propose a model whe... | زیادہ تر پچھلے مطالعات جو عوامی خدمت کے کھیل سے متعلق ہیں، یہ فرض کرتے ہیں کہ یا تو شمولیت غیر مشروط ہے، یا پھر ایک مقابلہ جیتی ہوئی گروہ میں اصلی شرکاء کی تعداد وقت کے ساتھ تبدیل ہوتی رہتی ہے۔ یہ اب بھی واضح نہیں ہے کہ سماجی اداروں کے ذریعہ طے شدہ گروہ کے حجم کا تعاون کی ترقی پر کیا اثر پڑتا ہے۔ ہم ایک ماڈل پیش کرتے ہ... | ur |
Special-purpose constraint propagation algorithms frequently make implicit use of short supports -- by examining a subset of the variables, they can infer support (a justification that a variable-value pair may still form part of an assignment that satisfies the constraint) for all other variables and values and save s... | Алгоритмы распространения ограничений специального назначения зачастую неявно используют короткие поддержки — анализируя подмножество переменных, они могут делать выводы о наличии поддержки (обосновании того, что пара переменная-значение всё ещё может участвовать в назначении, удовлетворяющем ограничению) для всех оста... | ru |
A novel concept of orbital launch system in which all stages are reusable is presented. The first two stages called Midpoint Delivery System (MPDS) deliver the next stages to a midpoint. A midpoint is defined by an altitude of 100 $km$ to 120 $km$ and horizontal velocity of 2.8 $km/s$ to 3.2 $km/s$. MPDS stages deceler... | បានណែនាំគំនិតថ្មីអំពីប្រព័ន្ធផ្សែកទៅកាន់គន្លង ដែលដំណាក់កាលទាំងអស់អាចយកមកប្រើប្រាស់ឡើងវិញបាន។ ដំណាក់កាលទីមួយ និងទីពីរ ដែលហៅថា ប្រព័ន្ធដឹកជញ្ជូនចំណុចកណ្ដាល (MPDS) នឹងដឹកជញ្ជូនដំណាក់កាលបន្ទាប់ទៅកាន់ចំណុចមួយនៅចន្លោះកណ្ដាល។ ចំណុចកណ្ដាលត្រូវបានកំណត់ដោយកំពស់ពី 100 $km$ ទៅ 120 $km$ និងល្បឿនផ្ដេកពី 2.8 $km/s$ ទៅ 3.2 $km/s$។ ដំណ... | km |
Fast radio bursts (FRBs) are extragalactic astrophysical transients whose brightness requires emitters that are highly energetic, yet compact enough to produce the short, millisecond-duration bursts. FRBs have thus far been detected between 300 MHz and 8 GHz, but lower-frequency emission has remained elusive. A subset ... | দ্রুত রেডিও বিস্ফোরণ (এফআরবি) হল বহির্গ্যালাক্টিক জ্যোতির্বিজ্ঞানের অস্থায়ী ঘটনা যার উজ্জ্বলতা অত্যন্ত শক্তিশালী কিন্তু এতটাই ক্ষুদ্রাকার যে তা মিলিসেকেন্ড স্থায়ীত্বের সংক্ষিপ্ত বিস্ফোরণ উৎপাদন করে। এখন পর্যন্ত এফআরবিগুলি 300 মেগাহার্টজ থেকে 8 গিগাহার্টজ এর মধ্যে শনাক্ত করা হয়েছে, কিন্তু নিম্ন কম্পাঙ্কের বিকিরণ এখনও... | bn |
We prove the computational weakness of a model of tile assembly that has so far resisted many attempts of formal analysis or positive constructions. Specifically, we prove that, in Winfree's abstract Tile Assembly Model, when restricted to use only noncooperative bindings, any long enough path that can grow in all term... | Napapatunayan namin ang kahinaan ng komputasyon sa isang modelo ng tile assembly na hanggang ngayon ay lumalaban sa maraming pagtatangka ng pormal na pagsusuri o positibong konstruksyon. Partikular, napapatunayan namin na, sa abstraktong Tile Assembly Model ni Winfree, kapag limitado lamang sa hindi kooperatibong pagka... | tl |
The complete mid- to far- infrared continuum energy distribution collected with the Infrared Space Observatory of the Seyfert 2 prototype NGC 5252 is presented. ISOCAM images taken in the 3--15 micron range show a resolved central source that is consistent at all bands with a region of about 1.3 kpc in size. Due to the... | Die vollständige kontinuierliche Energieverteilung im mittleren bis fernen Infrarot, die mit dem Infrarot-Weltraumobservatorium (ISO) am Prototypen eines Seyfert-2-Galaxie NGC 5252 aufgezeichnet wurde, wird vorgestellt. ISOCAM-Aufnahmen im Bereich von 3–15 Mikrometer zeigen eine aufgelöste zentrale Quelle, die in allen... | de |
Modern communication receiver architectures center around digital signal processing (DSP), with the bulk of the receiver processing being performed on digital signals obtained after analog-to-digital conversion (ADC). In this paper, we explore Shannon-theoretic performance limits when ADC precision is drastically reduc... | ស្ថាបត្យកម្មនៃអ្នកទទួលសារទំនើប ផ្តោតលើការដំណើរការសញ្ញាឌីជីថល (DSP) ដោយដំណើរការភាគច្រើននៅក្នុងអ្នកទទួលត្រូវបានអនុវត្តលើសញ្ញាឌីជីថលដែលទទួលបានបន្ទាប់ពីការបំលែងពីអាណាឡូកទៅឌីជីថល (ADC)។ នៅក្នុងឯកសារនេះ យើងស្វែងយល់ពីដែនកំណត់នៃប្រសិទ្ធភាពតាមទ្រឹស្ដីឝាណុន នៅពេលដែលភាពជាក់លាក់នៃ... | km |
Massive stars are important building blocks of the Universe, and their stellar structure and evolution models are fundamental cornerstones of various fields in modern astrophysics. The precision of these models is limited by our lack of understanding of various internal mixing processes that significantly influence the... | Les étoiles massives sont des composants essentiels de l'Univers, et leurs modèles de structure et d'évolution stellaires constituent des piliers fondamentaux dans divers domaines de l'astrophysique moderne. La précision de ces modèles est limitée par notre méconnaissance de divers processus internes de mélange qui inf... | fr |
We present a model of worldwide crisis contagion based on the Google matrix analysis of the world trade network obtained from the UN Comtrade database. The fraction of bankrupted countries exhibits an \textit{on-off} phase transition governed by a bankruptcy threshold $\kappa$ related to the trade balance of the countr... | Kami menghadirkan sebuah model penyebaran krisis global berdasarkan analisis matriks Google dari jaringan perdagangan dunia yang diperoleh dari basis data UN Comtrade. Fraksi negara-negara yang bangkrut menunjukkan transisi fasa \textit{on-off} yang dikendalikan oleh ambang batas kebangkrutan $\kappa$ yang terkait deng... | id |
Graphs are quickly emerging as a leading abstraction for the representation of data. One important application domain originates from an emerging discipline called "connectomics". Connectomics studies the brain as a graph; vertices correspond to neurons (or collections thereof) and edges correspond to structural or fun... | Los grafos están emergiendo rápidamente como una abstracción líder para la representación de datos. Uno de los dominios de aplicación importantes proviene de una disciplina emergente denominada "conectómica". La conectómica estudia el cerebro como un grafo; los vértices corresponden a neuronas (o conjuntos de ellas) y ... | es |
Late blight disease is one of the most destructive diseases in potato crop, leading to serious yield losses globally. Accurate diagnosis of the disease at early stage is critical for precision disease control and management. Current farm practices in crop disease diagnosis are based on manual visual inspection, which i... | Penyakit layu lambat merupakan salah satu penyakit paling merosakkan dalam tanaman kentang, yang menyebabkan kehilangan hasil yang serius secara global. Diagnostik yang tepat terhadap penyakit ini pada peringkat awal adalah kritikal untuk kawalan dan pengurusan penyakit secara tepat. Amalan pertanian semasa dalam diagn... | ms |
We retrieved and analyzed parallel storage workloads of the FUJITSU K5 cloud service to clarify how to build cost-effective hybrid storage systems. A hybrid storage system consists of fast but low-capacity tier (first tier) and slow but high-capacity tier (second tier). And, it typically consists of either SSDs and HDD... | เราได้ดึงข้อมูลและวิเคราะห์ภาระงานการจัดเก็บแบบขนานของบริการคลาวด์ FUJITSU K5 เพื่อทำความเข้าใจว่าจะสร้างระบบจัดเก็บข้อมูลแบบไฮบริดที่คุ้มค่าต้นทุนได้อย่างไร ระบบจัดเก็บข้อมูลแบบไฮบริดประกอบด้วยชั้นที่หนึ่ง (first tier) ซึ่งมีความเร็วสูงแต่ความจุต่ำ และชั้นที่สอง (second tier) ซึ่งมีความเร็วต่ำแต่ความจุสูง โดยทั่วไปจะป... | th |
We propose an effective and flexible way to implement 2D and 3D elastoplastic problems in MATLAB using fully vectorized codes. Our technique is applied to a broad class of the problems including perfect plasticity or plasticity with hardening and several yield criteria. The problems are formulated in terms of displacem... | 본 연구에서는 완전히 벡터화된 코드를 사용하여 MATLAB에서 2차원 및 3차원 탄소성 문제를 효과적이고 유연하게 구현하는 방법을 제안한다. 본 기법은 완전 소성, 경화를 포함한 소성 및 다양한 항복 기준을 다루는 광범위한 문제 클래스에 적용된다. 문제들은 변위를 기준으로 정식화되며, 시간적으로는 암시적 오일러법, 공간적으로는 유한요소법으로 이산화되고, 반미분 뉴턴법을 통해 해결된다. 폰 미세스 및 프래거-드러커 항복 조건을 따르는 특정 모델들과 네 가지 유형의 유한요소에 대해 자세히 논의하며, 관련된 코드는 다운로드 가능하다. 접선 강성 행렬의 조립에 특히 주목한다... | ko |
We study the superstring theory on pp-wave background with NSNS-flux that is realized as the Penrose limit of AdS_3 x S^3 x M^4, where M^4 is T^4 or T^4/Z_2(~ K3). Quantizing this system in the covariant gauge, we explicitly construct the space-time supersymmetry algebra and the complete set of DDF operators. We analys... | Біз AdS_3 x S^3 x M^4-тің Пенроуздың шегі ретінде жүзеге асатын, мұндағы M^4 — бұл T^4 немесе T^4/Z_2(~ K3) болатын, NSNS-ағыны бар pp-толқын фондағы супержіп теориясын зерттейміз. Бұл жүйені ковариантты калибрлеу арқылы сандықтандырып, біз уақыт-кеңістіктегі суперсимметрия алгебрасын және DDF операторларының толық жиы... | kk |
It is congruous with the quantum nature of the world to view the space-time geometry as an emergent structure that shows classical features only at some observational level. One can thus conceive the space-time manifold as a purely theoretical arena, where quantum states are defined, with the additional freedom of chan... | เป็นเรื่องสอดคล้องกับธรรมชาติเชิงควอนตัมของโลกที่จะมองเรื่องเรขาคณิตของปริภูมิ-เวลาเป็นโครงสร้างที่เกิดขึ้นตามมา ซึ่งแสดงลักษณะแบบคลาสสิกได้ก็ต่อเมื่อสังเกตในระดับหนึ่งเท่านั้น ดังนั้น จึงสามารถมองแมนิโฟลด์ของปริภูมิ-เวลาเป็นเวทีเชิงทฤษฎีล้วนๆ ที่นิยามสถานะควอนตัมไว้ โดยมีอิสระเพิ่มเติมในการเปลี่ยนพิกัดได้เช่นเดียวกับค... | th |
We report transport and magnetization measurements on graphitic materials that have been hydrogenated after being treated with octane. The temperature-dependent electrical resistivity shows anomalies manifested as re-entrant insulator-metal transitions. Below 50 K, the magnetoresistance data shows both antiferromagneti... | Октанмен өңделгеннен кейін сутегіленген графитті материалдардағы тасымалдау және магниттелу өлшеулері туралы хабарлаймыз. Температураға тәуелді электрлік кедергі қайтадан пайда болатын изолятор-металл өтулер ретінде көрінетін аномалияларды көрсетеді. 50 К температурадан төмен магниттік кедергі деректері магнит өрісі сә... | kk |
We explore and describe the roles of inter-molecular vibrations employing a Brownian oscillator (BO) model with linear-linear (LL) and square-linear (SL) system-bath interactions, which we use to analyze two-dimensional (2D) THz-Raman spectra obtained by means of molecular dynamics (MD) simulations. In addition to line... | ငါတို့သည် မော်လီကျူးလာ ဒိုင်နမစ် (MD) စီမံကိန်းများဖြင့် ရရှိသော နှစ်မျဉ်း (2D) THz-Raman စပီကျြမ်းများကို ဆန်းစစ်ရန်အတွက် လိုင်းနီယာ-လိုင်းနီယာ (LL) နှင့် စကဲ့ချ်-လိုင်းနီယာ (SL) စနစ်-ဘတ်စ် အပြန်အလှန် လုပ်ဆောင်မှုများကို အသုံးပြုသည့် ဘရော်နီယန် အိုစီလေတာ (BO) မော်ဒယ်ကို အသုံးပြု၍ အပြန်အလှန် မော်လီကျူးလာ တုန်ခါမှုများ၏... | my |
Successful applications of reinforcement learning in real-world problems often require dealing with partially observable states. It is in general very challenging to construct and infer hidden states as they often depend on the agent's entire interaction history and may require substantial domain knowledge. In this wor... | Aplikasi pembelajaran penguatan yang berjaya dalam menyelesaikan masalah dunia sebenar sering kali memerlukan penanganan keadaan yang hanya sebahagiannya dapat diperhatikan. Secara amnya, sangat mencabar untuk membina dan menyimpulkan keadaan tersembunyi kerana ia sering bergantung kepada keseluruhan sejarah interaksi ... | ms |
When a three-dimensional (3D) ferromagnetic topological insulator thin film is magnetized out-of-plane, conduction ideally occurs through dissipationless, one-dimensional (1D) chiral states that are characterized by a quantized, zero-field Hall conductance. The recent realization of this phenomenon - the quantum anomal... | Wenn ein dünner Film eines dreidimensionalen (3D) ferromagnetischen topologischen Isolators senkrecht zur Ebene magnetisiert wird, erfolgt der Ladungstransport idealerweise über eindimensionale (1D), chiral geprägte Zustände ohne Energieverlust, die durch eine quantisierte Hall-Leitfähigkeit bei verschwindendem Magnetf... | de |
The concept of electric and magnetic field lines is intrinsically non-relativistic. Nonetheless, for certain types of fields satisfying certain geometric properties, field lines can be defined covariantly. More precisely, two Lorentz-invariant 2D surfaces in spacetime can be defined such that magnetic and electric fiel... | 電場および磁場の場の線の概念は、本質的に非相対論的である。しかし、特定の幾何学的性質を満たすある種の場については、場の線を共変的に定義することができる。より正確には、任意の観測者に対して、それらの面と時空的超平面との交差によって電場および磁場の場の線が決定されるような、時空内のローレンツ不変な2次元曲面を二つ定義することができる。このような場の一例が、場の線のリンク構造という興味深い位相的性質のため研究されてきた、いわゆる無源マクスウェル方程式のホップ-ラナダ解である。幾何学的および位相的性質を簡潔に記述するために、我々は幾何代数（別名クリフォード代数）の手法を用い、ベクトルポテンシャルに対してクレプシュ表示を、電場および磁場双方に... | ja |
Massive stars are important building blocks of the Universe, and their stellar structure and evolution models are fundamental cornerstones of various fields in modern astrophysics. The precision of these models is limited by our lack of understanding of various internal mixing processes that significantly influence the... | Bintang bermassa besar merupakan blok bangunan penting di alam semesta, dan model struktur serta evolusi bintang ini merupakan fondasi utama dalam berbagai bidang astrofisika modern. Ketepatan model-model tersebut dibatasi oleh kurangnya pemahaman kita mengenai berbagai proses pencampuran internal yang sangat memengaru... | id |
A consistent ansatz for the Skyrme model in (3+1)-dimensions which is able to reduce the complete set of Skyrme field equations to just one equation for the profile in situations in which the Baryon charge can be arbitrary large is introduced: moreover, the field equation for the profile can be solved explicitly. Such ... | (3+1)-өлшемді Skyrme моделі үшін Бариондық заряд кез келген дәлдікпен үлкен болатын жағдайларда Skyrme өріс теңдеулерінің толық жиынтығын профиль үшін бір ғана теңдеуге дейін ықшамдауға мүмкіндік беретін тұрақты анзац ұсынылды: сонымен қатар, профиль үшін өріс теңдеуін анық шешуге болады. Мұндай конфигурациялар шекті т... | kk |
We study stochastic two-player turn-based games in which the objective of one player is to ensure several infinite-horizon total reward objectives, while the other player attempts to spoil at least one of the objectives. The games have previously been shown not to be determined, and an approximation algorithm for compu... | Estudamos jogos estocásticos com dois jogadores que jogam em turnos, nos quais o objetivo de um dos jogadores é garantir vários objetivos de recompensa total em horizonte infinito, enquanto o outro jogador tenta frustrar pelo menos um desses objetivos. Esses jogos já foram demonstrados como não determinados, e foi apre... | pt |
The concept of electric and magnetic field lines is intrinsically non-relativistic. Nonetheless, for certain types of fields satisfying certain geometric properties, field lines can be defined covariantly. More precisely, two Lorentz-invariant 2D surfaces in spacetime can be defined such that magnetic and electric fiel... | Khái niệm các đường sức điện và từ về bản chất là phi tương đối tính. Tuy nhiên, đối với một số loại trường thỏa mãn những tính chất hình học nhất định, các đường sức có thể được định nghĩa một cách hiệp biến. Chính xác hơn, có thể định nghĩa hai mặt 2 chiều bất biến Lorentz trong không-thời gian sao cho các đường sức ... | vi |
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