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The $(1+(\lambda,\lambda))$ genetic algorithm, first proposed at GECCO 2013, showed a surprisingly good performance on so me optimization problems. The theoretical analysis so far was restricted to the OneMax test function, where this GA profited from the perfect fitness-distance correlation. In this work, we conduct a... | El algoritmo genético $(1+(\lambda,\lambda))$, propuesto por primera vez en GECCO 2013, mostró un rendimiento sorprendentemente bueno en algunos problemas de optimización. Hasta ahora, el análisis teórico se ha limitado a la función de prueba OneMax, en la cual este AG se benefició de la correlación perfecta entre apti... | es |
We combine the catalogs of compact high-velocity HI clouds extracted from the LDS and HIPASS surveys and analyze the all-sky properties of the ensemble. Five principal observables are defined for the CHVC population: (1) the spatial deployment of the objects on the sky, (2) the kinematic distribution, (3) the number di... | Combinamos os catálogos de nuvens compactas de hidrogênio neutro (HI) de alta velocidade extraídas dos levantamentos LDS e HIPASS e analisamos as propriedades em todo o céu do conjunto. Cinco observáveis principais são definidos para a população de CHVCs: (1) a distribuição espacial dos objetos no céu, (2) a distribuiç... | pt |
A critical discussion of the present status of the CERN experiments on charm dynamics and hadron collective flow is given. We emphasize the importance of the flow excitation function from 1 to 50 A$\cdot$GeV: here the hydrodynamic model has predicted the collapse of the $v_1$-flow and of the $v_2$-flow at $\sim 10$ A$\... | يُقدَّم مناقشة نقدية للحالة الراهنة لتجارب سيرن حول ديناميكية الجاذبية (charm dynamics) والانسياب الجماعي للهادرونات. ونُشدِّد على أهمية دالة إثارة الانسياب في المجال من 1 إلى 50 A$\cdot$GeV: إذ توقّع نموذج الديناميكا الهيدروديناميكية انهيار الانسياب $v_1$ والانسياب $v_2$ عند حوالي 10 A$\cdot$GeV؛ وقد لوحظ هذا الانهيار... | ar |
We propose $(k,k')$ stabilizing codes, which is a type of delayless error correction codes that are useful for control over networks with erasures. For each input symbol, $k$ output symbols are generated by the stabilizing code. Receiving at least $k'$ of these outputs guarantees stability. Thus, both the system to be ... | เราเสนอรหัสคงตัวแบบ $(k,k')$ ซึ่งเป็นรหัสแก้ข้อผิดพลาดแบบไม่มีความล่าช้าที่มีประโยชน์ต่อการควบคุมผ่านเครือข่ายที่มีการสูญหายของข้อมูล สำหรับสัญลักษณ์ขาเข้าแต่ละตัว รหัสคงตัวจะสร้างสัญลักษณ์ขาออกจำนวน $k$ ตัว การรับสัญลักษณ์ขาออกอย่างน้อย $k'$ ตัวจะรับประกันความมั่นคงของระบบ ดังนั้นการออกแบบรหัสสูญหายจึงคำนึงถึงทั้งระบบ... | th |
Primordial nucleosynthesis is considered a success story of the standard big bang (SBB) cosmology. The cosmological and elementary particle physics parameters are believed to be severely constrained by the requirement of correct abundances of light elements. We demonstrate nucleosynthesis in a class of models very diff... | Sự tổng hợp hạt nhân nguyên thủy được coi là một thành công của mô hình vũ trụ học vụ nổ lớn tiêu chuẩn (SBB). Các thông số vũ trụ học và vật lý hạt sơ cấp được cho là bị ràng buộc nghiêm ngặt bởi yêu cầu về độ phong phú chính xác của các nguyên tố nhẹ. Chúng tôi trình bày sự tổng hợp hạt nhân trong một lớp các mô hình... | vi |
We present a necessary and sufficient condition for the reachable set, i.e., the set of states reachable from a ball of initial states at some time, of an ordinary differential equation to be convex. In particular, convexity is guaranteed if the ball of initial states is sufficiently small, and we provide an upper boun... | Předkládáme nutnou a postačující podmínku pro konvexnost množiny dosažitelných stavů, tj. množiny stavů dosažitelných z koule počátečních stavů v nějakém čase, obyčejné diferenciální rovnice. Konvexnost je zaručena zejména tehdy, je-li koule počátečních stavů dostatečně malá, a uvádíme horní mez poloměru této koule, kt... | cs |
We combine the catalogs of compact high-velocity HI clouds extracted from the LDS and HIPASS surveys and analyze the all-sky properties of the ensemble. Five principal observables are defined for the CHVC population: (1) the spatial deployment of the objects on the sky, (2) the kinematic distribution, (3) the number di... | Combinamos los catálogos de nubes compactas de HI de alta velocidad extraídas de los estudios LDS y HIPASS y analizamos las propiedades del conjunto en todo el cielo. Se definen cinco observables principales para la población de CHVC: (1) la distribución espacial de los objetos en el cielo, (2) la distribución cinemáti... | es |
In this work we present the main atmospheric parameters, carbon, nitrogen and oxygen abundances, and 12C/13C ratios determined in a sample of 28 Galactic clump stars. Abundances of carbon were studied using the C2 band at 5086.2 {\AA}. The wavelength interval 7980-8130 {\AA} with strong CN features was analysed in orde... | In dieser Arbeit präsentieren wir die wichtigsten atmosphärischen Parameter sowie die Gehalte an Kohlenstoff, Stickstoff und Sauerstoff und die 12C/13C-Verhältnisse, die in einer Stichprobe von 28 galaktischen Riesensternen des Horizontalastes bestimmt wurden. Die Kohlenstoffgehalte wurden anhand des C2-Bandes bei 5086... | de |
During the early 1830's Bernard Bolzano, working in Prague, wrote a manuscript giving a foundational account of numbers and their properties. In the final section of his work he described what he called `infinite number expressions' and `measurable numbers'. This work was evidently an attempt to provide an improved pro... | 1830 жылдардың басында Прагада жұмыс істеген Бернард Больцано сандар мен олардың қасиеттері туралы негізгі еңбекті беретін қолжазба жазды. Оның еңбегінің соңғы бөлімінде ол шексіз сандық өрнектер мен өлшенетін сандар деп атады. Бұл жұмыс шынында да шексіз тізбектің жинақтылығы үшін жеткілікті шарт болып танымал, осылай... | kk |
We made a supplemental study of the superoutbursts and superhumps in SU UMa stars by using the recently released Kepler public data of V1504 Cyg and V344 Lyr. One of the superoutbursts in V1504 Cyg was preceded by a precursor normal outburst which was well separated from the main superoutburst. The superhump first appe... | Wir führten eine ergänzende Untersuchung der Superausbrüche und Superbuckel bei SU-UMa-Sternen unter Verwendung der kürzlich veröffentlichten öffentlichen Kepler-Daten von V1504 Cyg und V344 Lyr durch. Einer der Superausbrüche bei V1504 Cyg wurde von einem Vorläufer-Normalausbruch begleitet, der deutlich vom Haupt-Supe... | de |
Background: On the mean-field level, pairing correlations are incorporated through the Bogoliubov-Valatin transformation, whereupon the particle degrees of freedom are replaced by quasiparticles. This approach leads to a spontaneous breaking of the particle-number symmetry and mixing of states with different particle n... | Likurang-paningin: Sa antas ng mean-field, isinasama ang mga pagkakaugnay ng pagpapares sa pamamagitan ng Bogoliubov-Valatin na pagbabago, kung saan ang mga antas ng kalayaan ng partikulo ay napalitan ng mga quasipartikulo. Ang pamamaraang ito ay nagdudulot ng spontaneong pagkabasag ng simetriya ng bilang ng partikulo ... | tl |
Periodically driven systems, also known as Floquet systems, can realize symmetry protected topological (SPT) phases that cannot be found in equilibrium. Here, we seek to understand the effects of strong disorder on such SPT phases, working with a one-dimensional Floquet system belonging to Altland-Zirnbauer class BDI. ... | 周期性驱动系统，也称为Floquet系统，能够实现平衡态下无法存在的对称性保护拓扑（SPT）相。本文研究强无序对这类SPT相的影响，研究对象为属于Altland-Zirnbauer BDI类的一维Floquet系统。通过传递矩阵方法，我们发现无序系统中存在一系列平凡相、拓扑相以及Floquet拓扑相。随后，我们探讨了键能呈均匀分布情况下的相图。数值计算体拓扑不变量的结果验证了我们的解析结论。尽管通常情况下所有态都是局域化的，但在相变附近，拓扑边界态的局域化长度发散。我们推导出控制这些发散行为的临界指数，发现其取值与平衡态情况下的结果一致，尽管我们所研究的相是非平衡系统特有的。我们还讨论了本工作如何为研究相互作用Floquet SPT... | zh |
A phenomenological analysis of lifetimes of bottom and charmed hadrons within the framework of the heavy quark expansion is performed. The baryon matrix element is evaluated using the bag model and the nonrelativistic quark model. We find that bottom-baryon lifetimes follow the pattern $\tau(\Omega_b)\simeq\tau(\Xi_b^-... | Thực hiện phân tích hiện tượng luận về thời gian sống của các hadron chứa quark đáy và quark duyên trong khuôn khổ phép triển khai quark nặng. Phần tử ma trận của barion được tính bằng mô hình túi và mô hình quark phi tương đối. Chúng tôi nhận thấy rằng thời gian sống của các barion đáy tuân theo quy luật $\tau(\Omega_... | vi |
Nowadays, the use of agile software development methods like Scrum is common in industry and academia. Considering the current attacking landscape, it is clear that developing secure software should be a main concern in all software development projects. In traditional software projects, security issues require detaile... | Heutzutage ist die Verwendung agiler Softwareentwicklungsmethoden wie Scrum in Industrie und Wissenschaft verbreitet. Angesichts der aktuellen Bedrohungslage ist klar, dass die Entwicklung sicherer Software eine zentrale Aufgabe in allen Softwareprojekten sein sollte. Bei traditionellen Softwareprojekten erfordern Sich... | de |
The $(1+(\lambda,\lambda))$ genetic algorithm, first proposed at GECCO 2013, showed a surprisingly good performance on so me optimization problems. The theoretical analysis so far was restricted to the OneMax test function, where this GA profited from the perfect fitness-distance correlation. In this work, we conduct a... | L'algorithme génétique $(1+(\lambda,\lambda))$, initialement proposé à GECCO 2013, a montré des performances surprenamment bonnes sur certains problèmes d'optimisation. L'analyse théorique menée jusqu'ici s'est limitée à la fonction-test OneMax, où cet AG profitait d'une corrélation parfaite entre qualité et distance à... | fr |
Astrophysical accretion is arguably the most prevalent physical process in the Universe; it occurs during the birth and death of individual stars and plays a pivotal role in the evolution of entire galaxies. Accretion onto a black hole, in particular, is also the most efficient mechanism known in nature, converting up ... | Астрофизикалық қосылу, бір жұлдыздың тууы мен өлуі кезінде пайда болып, тұтас галактикалардың эволюциясында шешуші рөл атқаратын, Әлемдегі ең кең таралған физикалық процесс болып табылады. Атап айтқанда, қара үңгірге қосылу – бұл табиғаттағы белгілі ең тиімді механизм, ол қосылатын тыныштық массасының энергиясының 40%-... | kk |
We have obtained an exceptionally high S/N, high resolution spectrum of the gravitationally lensed quasar Q1422+231 in order to investigate the metal enrichment of the IGM. A column density distribution function (CDDF) is determined for CIV, which is well fit by a power law with index 1.44 +/- 0.05. Once a correction f... | Obtivemos um espectro de resolução elevada e relação sinal-ruído excepcionalmente alta do quasar Q1422+231, ampliado pela lente gravitacional, com o objetivo de investigar o enriquecimento metálico do meio intergaláctico (IGM). Determinou-se uma função de distribuição de densidade de coluna (CDDF) para CIV, que é bem a... | pt |
This paper is the third one in a series devoted to studying the properties of binaries involving M giants. We use a new set of orbits to construct the first (e-logP) diagram of an extensive sample of M giant binaries, to obtain their mass-function distribution, and to derive evolutionary constraints for this class of b... | ဤစာတမ်းသည် M ကြီးမားသော ကြယ်များပါဝင်သည့် ဒွိကြယ်စနစ်များ၏ ဂုဏ်သတ္တိများကို လေ့လာရန် ရည်ရွယ်သော စီးရီး၏ တတိယမြောက် စာတမ်းဖြစ်သည်။ M ကြီးမားသော ဒွိကြယ်စနစ်များ၏ ကျယ်ပြန့်သော နမူနာတစ်ခုအတွက် ပထမဆုံး (e-logP) ပုံစံကို တည်ဆောက်ရန်၊ ၎င်းတို့၏ မာသဖန်စီးရှင်း ဖြန့်ကျက်မှုကို ရယူရန်နှင့် ဤအမျိုးအစားသော ဒွိကြယ်စနစ်များနှင့် ဆက်... | my |
The $(1+(\lambda,\lambda))$ genetic algorithm, first proposed at GECCO 2013, showed a surprisingly good performance on so me optimization problems. The theoretical analysis so far was restricted to the OneMax test function, where this GA profited from the perfect fitness-distance correlation. In this work, we conduct a... | $(1+(\lambda,\lambda))$ genetik algoritması ilk olarak GECCO 2013'te önerilmişti ve bazı optimizasyon problemlerinde şaşırtıcı derecede iyi bir performans gösterdi. Şimdiye kadar yapılan teorik analizler, bu GA'nın mükemmel uygunluk-mesafe korelasyonundan faydalandığı OneMax test fonksiyonuyla sınırlı kaldı. Bu çalışma... | tr |
With the aim of better understanding the class of 4D theories generated by compactifications of 6D superconformal field theories (SCFTs), we study the structure of N = 1 supersymmetric punctures for class S_Gamma theories, namely the 6D SCFTs obtained from M5-branes probing an ADE singularity. For M5-branes probing a C... | 6차원 초등각장이론(SCFT)의 축소화에 의해 생성되는 4차원 이론 계열에 대한 보다 나은 이해를 목적으로, 우리는 M5-브레인들이 ADE 특이점에 충돌할 때 얻어지는 계급 S_Gamma 이론의 N = 1 초대칭 펑크처 구조를 연구한다. M5-브레인들이 C^2 / Z_k 특이점에 충돌하는 경우, 펑크처는 시간에 따른 진화가 아핀 A형 쿼이버의 인접한 노드로의 이동에 해당하는 동역학계에 의해 지배된다. 펑크처의 분류는 주기적 궤도를 생성하는 일관된 초기 조건을 결정하는 문제로 귀결된다. 이 계통의 연구는 단일 M5-브레인의 경우에 특히 다루기 쉬운데, 이러한 '간단한'... | ko |
Energy or quasienergy (QE) band spectra depending on two parameters may have a nontrivial topological characterization by Chern integers. Band spectra of 1D systems that are spanned by just one parameter, a Bloch phase, are topologically trivial. Recently, an ensemble of 1D Floquet systems, double kicked rotors (DKRs) ... | စွမ်းအင် (သို့) ကွာဇီစွမ်းအင် (QE) ဘန်းစပက်ထရမ်များသည် ကိန်းပြည့်ချန် (Chern) များဖြင့် အထူးမဟုတ်သော ထိပ်တန်းအဆင့် သဘောတရားဖြင့် သတ်မှတ်နိုင်ပြီး ပါရာမီတာနှစ်ခုအပေါ် မူတည်သည်။ ဘလော့ခ် အဆင့် (Bloch phase) တစ်ခုတည်းဖြင့် ကျယ်ပြန့်နေသော 1D စနစ်များ၏ ဘန်းစပက်ထရမ်များမှာ ထိပ်တန်းအဆင့် အရာဝတ္ထုအရ ရိုးရှင်းသည်။ မကြာသေးမီက ပြင... | my |
We expose some simple facts at the interplay between mathematics and the real world, putting in evidence mathematical objects " nonlinear generalized functions" that are needed to model the real world, which appear to have been generally neglected up to now by mathematicians. Then we describe how a "nonlinear theory of... | نُقدِّم بعض الحقائق البسيطة حول التفاعل بين الرياضيات والعالم الواقعي، مع إبراز كائنات رياضية "دوال تعميمية غير خطية" ضرورية لنمذجة العالم الحقيقي، والتي يبدو أنها قد تم إهمالها عمومًا من قِبل علماء الرياضيات حتى الآن. ثم نصف كيف تم الحصول على "نظرية غير خطية للدوال التعميمية" داخل مجموعة لوبلدو ناشبين للتحليل العقدي ا... | ar |
X-ray hybrid CMOS detectors (HCDs) are a promising candidate for future x-ray missions requiring high throughput and fine angular resolution along with large field-of-view, such as the high-definition x-ray imager (HDXI) instrument on the Lynx x-ray surveyor mission concept. These devices offer fast readout capability,... | এক্স-রে হাইব্রিড সিএমওএস ডিটেক্টর (এইচসিডি) হল ভবিষ্যতের এক্স-রে মিশনগুলির জন্য একটি প্রতিশ্রুতিশীল প্রার্থী, যেখানে উচ্চ ফিল্ড-অফ-ভিউ-এর পাশাপাশি উচ্চ মাত্রার আউটপুট এবং সূক্ষ্ম কোণীয় রেজোলিউশনের প্রয়োজন হয়, যেমন লিনক্স এক্স-রে সার্ভেয়ার মিশন ধারণার উচ্চ-সংজ্ঞার এক্স-রে ইমেজার (এইচডিএক্সআই) যন্ত্র। এই যন্ত্রগুলি 0... | bn |
We present a new neighbor sampling method on temporal graphs. In a temporal graph, predicting different nodes' time-varying properties can require the receptive neighborhood of various temporal scales. In this work, we propose the TNS (Time-aware Neighbor Sampling) method: TNS learns from temporal information to provid... | 我们提出了一种新的时序图上的邻居采样方法。在时序图中，预测不同节点随时间变化的属性可能需要涵盖不同时间尺度的接收邻域。本文提出了TNS（时序感知邻居采样）方法：TNS利用时序信息为任意时刻的每个节点提供自适应的接收邻域。学习如何采样邻居并非易事，因为按时间顺序排列的邻居索引是离散且不可微的。为应对这一挑战，我们通过对邻居消息进行插值，将邻居索引从离散值转换为连续值。TNS可灵活集成到主流的时序图网络中，在不增加时间复杂度的前提下提升其有效性。TNS能够以端到端的方式进行训练，无需额外监督，且能自动隐式地引导模型采样对预测最有益的邻居。在多个标准数据集上的实验结果表明，TNS在边预测和节点分类任务上均取得了显著提升。 | zh |
Using the density-matrix renormalization group technique, we study a one-dimensional spin-$\frac{1}{2}$ Heisenberg chain consisting of coupled tetramers as an effective spin model for copper vanadate CuInVO$_5$. We obtain the ground-state phase diagram as a function of intra-tetramer and inter-tetramer exchange interac... | ដោយប្រើបច្ចេកទេសក្រុមបដិវត្តន៍ម៉ាទ្រីសដង់ស៊ីតេ យើងសិក្សាអំពីខ្សែសង្វាក់ស្ពែន- $\frac{1}{2}$ ហែនប៊ែរ (Heisenberg) មួយវិមាត្រដែលមានតេត្រាមែរ (tetramers) ភ្ជាប់គ្នា ជាម៉ូដែលស្ពែនប្រសិទ្ធភាពសម្រាប់សារធាតុវ៉ាណាឌាតធាតុដែកកែវ CuInVO$_5$។ យើងបានទទួលនូវដ្យាក្រាមដំណាក់កាលគ្រឹះ ដែលអាស្រ័យលើអន្តរកម្មផ្លាស់ប្តូរក្នុងតេត្រាមែរ និងរវ... | km |
We have obtained an exceptionally high S/N, high resolution spectrum of the gravitationally lensed quasar Q1422+231 in order to investigate the metal enrichment of the IGM. A column density distribution function (CDDF) is determined for CIV, which is well fit by a power law with index 1.44 +/- 0.05. Once a correction f... | 중력 렌즈 효과를 받는 준성 Q1422+231의 매우 높은 신호 대 잡음비(S/N)와 고해상도 스펙트럼을 얻어, IGM의 금속 풍부화를 조사하였다. CIV에 대해 결정된 기둥 밀도 분포 함수(CDDF)는 지수 1.44 ± 0.05를 가진 멱법칙에 잘 맞는다. 비완전성에 대한 보정을 적용한 후, CDDF가 log N(CIV) = 11.75까지 멱법칙에 부합함을 발견하였으며, 이는 이전에 결정된 값보다 10배 더 민감한 수준이다. CIV 풍부화가 더 낮은 기둥 밀도를 가진 HI 구름까지 확장되는지 여부를 판단하기 위해, 개별 픽셀의 광학적 두께를 분석하는 것이 적층 기법... | ko |
The $(1+(\lambda,\lambda))$ genetic algorithm, first proposed at GECCO 2013, showed a surprisingly good performance on so me optimization problems. The theoretical analysis so far was restricted to the OneMax test function, where this GA profited from the perfect fitness-distance correlation. In this work, we conduct a... | Algoritma genetika $(1+(\lambda,\lambda))$, yang pertama kali diusulkan pada GECCO 2013, menunjukkan kinerja yang mengejutkan baik pada beberapa masalah optimasi. Analisis teoretis sejauh ini terbatas pada fungsi uji OneMax, di mana algoritma genetika ini mendapat keuntungan dari korelasi jarak kebugaran yang sempurna.... | id |
We present ALMA and ACA [CI]$^{3}P_{1}-^{3}P_{0}$ ([CI](1-0)) observations of NGC6240, which we combine with ALMA CO(2-1) and IRAM PdBI CO(1-0) data to study the physical properties of the massive molecular (H$_2$) outflow. We discover that the receding and approaching sides of the H$_2$ outflow, aligned east-west, exc... | Мы представляем наблюдения NGC6240 в линии [CI]$^{3}P_{1}-^{3}P_{0}$ ([CI](1-0)) с помощью ALMA и ACA, которые объединяем с данными ALMA по линии CO(2-1) и данными IRAM PdBI по линии CO(1-0) для изучения физических свойств массивного молекулярного (H$_2$) выброса. Мы обнаружили, что уходящая и приходящая стороны H$_2$-... | ru |
We study the polarized Bjorken sum rule at low momentum transfers in the range $0.22<Q<1.73 {\rm GeV}$ with the four-loop N$^3$LO expression for the coefficient function $C_{\rm Bj}(\alpha_s)$ in the framework of the common QCD perturbation theory (PT) and the singularity-free analytic perturbation theory (APT). The an... | Біз поляризацияланған Бьёркен қосынды ережесін $0.22<Q<1.73 {\rm GeV}$ аралығындағы төменгі импульс берілістері үшін жалпы ҚГД кедергісіз теориясы (PT) және сингулярлық емес аналитикалық кедергісіз теориясы (APT) аясында $C_{\rm Bj}(\alpha_s)$ коэффициенттік функциясының төрт циклды N$^3$LO өрнегін қолданып зерттейміз.... | kk |
We present a necessary and sufficient condition for the reachable set, i.e., the set of states reachable from a ball of initial states at some time, of an ordinary differential equation to be convex. In particular, convexity is guaranteed if the ball of initial states is sufficiently small, and we provide an upper boun... | เราเสนอเงื่อนไขที่จำเป็นและเพียงพอสำหรับเซตที่เข้าถึงได้ กล่าวคือ เซตของสถานะที่สามารถเข้าถึงได้จากลูกบอลของสถานะเริ่มต้นที่เวลาใดเวลาหนึ่ง ภายใต้สมการเชิงอนุพันธ์สามัญที่จะเป็นนูน ในกรณีเฉพาะ ความนูนจะรับประกันได้หากลูกบอลของสถานะเริ่มต้นมีขนาดเล็กพอ และเราให้ขอบเขตบนของรัศมีของลูกบอลดังกล่าว ซึ่งสามารถหาค่าได้โดยตรงจ... | th |
Kundt spacetimes are of great importance in general relativity in 4 dimensions and have a number of topical applications in higher dimensions in the context of string theory. The degenerate Kundt spacetimes have many special and unique mathematical properties, including their invariant curvature structure and their hol... | Os espaços-tempo de Kundt têm grande importância na relatividade geral em 4 dimensões e apresentam diversas aplicações atuais em dimensões superiores no contexto da teoria das cordas. Os espaços-tempo de Kundt degenerados possuem muitas propriedades matemáticas especiais e únicas, incluindo sua estrutura invariante de ... | pt |
Handwritten digit recognition is one of the extensively studied area in machine learning. Apart from the wider research on handwritten digit recognition on MNIST dataset, there are many other research works on various script recognition. However, it is not very common for multi-script digit recognition which encourage ... | การรู้จำตัวเลขที่เขียนด้วยลายมือเป็นหนึ่งในสาขาที่ได้รับการศึกษาอย่างกว้างขวางในด้านการเรียนรู้ของเครื่อง นอกเหนือจากการวิจัยทั่วไปเกี่ยวกับการรู้จำตัวเลขที่เขียนด้วยลายมือบนชุดข้อมูล MNIST แล้ว ยังมีงานวิจัยอื่น ๆ อีกหลายชิ้นที่เกี่ยวข้องกับการรู้จำตัวอักษรในระบบการเขียนต่าง ๆ อย่างไรก็ตาม การรู้จำตัวเลขที่เขียนด้วยลา... | th |
We present ALMA and ACA [CI]$^{3}P_{1}-^{3}P_{0}$ ([CI](1-0)) observations of NGC6240, which we combine with ALMA CO(2-1) and IRAM PdBI CO(1-0) data to study the physical properties of the massive molecular (H$_2$) outflow. We discover that the receding and approaching sides of the H$_2$ outflow, aligned east-west, exc... | Iniharap namin ang ALMA at ACA [CI]$^{3}P_{1}-^{3}P_{0}$ ([CI](1-0)) na obserbasyon ng NGC6240, na pinagsama namin sa datos ng ALMA CO(2-1) at IRAM PdBI CO(1-0) upang pag-aralan ang pisikal na katangian ng malaking molekular (H$_2$) na outflow. Natuklasan namin na ang umalis at papalapit na bahagi ng H$_2$ outflow, na ... | tl |
In this Letter we investigate the properties of advection-dominated accretion flows (ADAFs) fed by the evaporation of a Shakura-Sunyaev accretion disk (SSD). In our picture the ADAF fills the central cavity evacuated by the SSD and extends beyond the transition radius into a coronal region. We find that, because of glo... | Trong Thư này, chúng tôi nghiên cứu các tính chất của dòng rơi vật chất chi phối bởi đối lưu (ADAF) được cung cấp bởi sự bay hơi của đĩa rơi vật chất Shakura-Sunyaev (SSD). Trong mô hình của chúng tôi, ADAF lấp đầy khoảng trống trung tâm do SSD tạo ra và mở rộng vượt ra ngoài bán kính chuyển tiếp vào một vùng vành khí ... | vi |
We have obtained an exceptionally high S/N, high resolution spectrum of the gravitationally lensed quasar Q1422+231 in order to investigate the metal enrichment of the IGM. A column density distribution function (CDDF) is determined for CIV, which is well fit by a power law with index 1.44 +/- 0.05. Once a correction f... | Hemos obtenido un espectro de resolución alta y relación señal/ruido excepcionalmente alta del cuásar amplificado por lente gravitacional Q1422+231 con el fin de investigar el enriquecimiento metálico del medio intergaláctico. Se determina una función de distribución de densidad de columna (CDDF) para CIV, que se ajust... | es |
In this paper we analyze the properties of a dc SQUID when the London penetration depth \lambda is larger than the superconducting film thickness d. We present equations that govern the static behavior for arbitrary values of \Lambda = \lambda^2/d relative to the linear dimensions of the SQUID. The SQUID's critical cur... | 本文分析了当伦敦穿透深度λ大于超导薄膜厚度d时，直流SQUID的特性。我们给出了描述SQUID静态行为的方程，适用于任意Λ = λ²/d相对于SQUID线性尺寸的情况。SQUID的临界电流I_c依赖于有效磁通Φ，即围绕中心孔洞的回路内的磁通量加上一个与该回路周围电流密度线积分成正比的项。虽然已知SQUID的电感依赖于Λ，但本文表明，外加磁场以及涡旋产生磁场的磁通聚焦进入SQUID中心孔洞的现象同样依赖于Λ。我们将该理论应用于最简单的情形：一种宽度为2w的线性SQUID，由一对共面的长超导条带构成，条带间距为2a，其一端通过两个小的约瑟夫森结连接至超导电流输入引线，另一端则通过超导引线连接。该SQUID的中心区域具有许多类似于超导共面... | zh |
Background: On the mean-field level, pairing correlations are incorporated through the Bogoliubov-Valatin transformation, whereupon the particle degrees of freedom are replaced by quasiparticles. This approach leads to a spontaneous breaking of the particle-number symmetry and mixing of states with different particle n... | Úvod: Na úrovni středního pole jsou párové korelace zahrnuty prostřednictvím Bogoliubovovy-Valatinovy transformace, při níž jsou stupně volnosti částic nahrazeny kvazicásticemi. Tento přístup vede ke spontánnímu porušení symetrie počtu částic a míchání stavů s různým počtem částic. Za účelem obnovení počtu částic byly ... | cs |
We investigate the Coma cluster galaxy luminosity function (GLF) at faint magnitudes, in particular in the u* band by applying photometric redshift techniques applied to deep u*, B, V, R, I images covering a region of ~1deg2 (R 24). Global and local GLFs in the B, V, R and I bands obtained with photometric redshift sel... | Prozkoumáváme svítivostní funkci galaxií (GLF) v Coma kupě pro slabé magnitudy, zejména v pásmu u*, pomocí technik fotometrických rudých posuvů aplikovaných na hluboké snímky v pásmech u*, B, V, R, I pokrývající oblast přibližně 1 deg² (R 24). Globální a lokální GLF v pásmech B, V, R a I získané výběrem pomocí fotometr... | cs |
Existing unsupervised domain adaptation methods aim to transfer knowledge from a label-rich source domain to an unlabeled target domain. However, obtaining labels for some source domains may be very expensive, making complete labeling as used in prior work impractical. In this work, we investigate a new domain adaptati... | វិធីសាស្ត្រកែច្នៃដែលមិនត្រូវការអនុវត្តន៍ដែលមានស្រាប់ មានគោលបំណងផ្ទេរចំណេះដឹងពីដែនដើមដែលមានស្លាកច្រើនទៅកាន់ដែនគោលដៅដែលគ្មានស្លាក។ ទោះជាយ៉ាងណាក៏ដោយ ការទទួលបានស្លាកសម្រាប់ដែនដើមខ្លះអាចមានថ្លៃដើមខ្ពស់ណាស់ ដែលធ្វើឱ្យការដាក់ស្លាកទាំងស្រុងដូចការងារមុនៗបានធ្វើ មិនអាចអនុវត្តបានទេ។ ក្នុងការងារនេះ យើងស្រាវជ្រាវលើស្ថានភាពកែច្នៃដែន... | km |
An external magnetic field exerts a Lorentz force on drifting electric charges inside a silicon strip sensor and thus shifts the cluster position of the collected charge. The shift can be related to the Lorentz angle which is typically a few degrees for holes and a few tens of degrees for electrons in a 4 T magnetic fi... | စီလီကွန်စထရစ်စင်ဆာအတွင်းရှိ လျှပ်စီးဒြပ်များကို အပြင်ပန်းမှ သံလိုက်စက်ကွင်းတစ်ခုက လိုရင့်ဇ်အားကို သက်ရောက်စေပြီး စုဆောင်းထားသော အားသွင်းမှု၏ ကလပ်စတာတည်နေရာကို ရွေ့လျားစေသည်။ ဤရွေ့မှုကို သံလိုက်စက်ကွင်း 4T တွင် ဟိုက်ယာများအတွက် ဒီဂရီအနည်းငယ်နှင့် အီလက်ထရွန်များအတွက် ဒီဂရီအနည်းငယ်ဆယ်ခိုင်နှုန်းအတွက် သာမာန်ဖြစ်သော လိုရင့်... | my |
Respondent-driven sampling is a survey method for hidden or hard-to-reach populations in which sampled individuals recruit others in the study population via their social links. The most popular estimator for for the population mean assumes that individual sampling probabilities are proportional to each subject's repor... | A amostragem baseada em respondentes é um método de pesquisa para populações ocultas ou de difícil acesso no qual indivíduos selecionados recrutam outros membros da população-alvo por meio de seus vínculos sociais. O estimador mais utilizado para a média populacional assume que as probabilidades de amostragem individua... | pt |
Superfluidity and superconductivity are remarkable manifestations of quantum coherence at a macroscopic scale. The dynamics of superfluids has dominated the study of these systems for decades now, but a comprehensive theoretical framework is still lacking. We introduce a local extension of the time-dependent density fu... | Ang superfluidity at superconductivity ay kamangha-manghang mga pagpapakita ng quantum coherence sa makroskopikong sukat. Sa loob ng maraming dekada, ang dinamika ng mga superfluid ang nangingibabaw sa pag-aaral ng mga sistemang ito, ngunit wala pa ring komprehensibong teoretikal na balangkas. Ipinakikilala namin ang l... | tl |
Kundt spacetimes are of great importance in general relativity in 4 dimensions and have a number of topical applications in higher dimensions in the context of string theory. The degenerate Kundt spacetimes have many special and unique mathematical properties, including their invariant curvature structure and their hol... | Kundt-Räume sind in der allgemeinen Relativitätstheorie in vier Dimensionen von großer Bedeutung und besitzen eine Reihe aktueller Anwendungen in höheren Dimensionen im Kontext der Stringtheorie. Die degenerierten Kundt-Räume weisen viele besondere und einzigartige mathematische Eigenschaften auf, darunter ihre invaria... | de |
The cosmic microwave background (CMB) temperature anisotropies exhibit a large-scale dipolar power asymmetry. To determine whether this is due to a real, physical modulation or is simply a large statistical fluctuation requires the measurement of new modes. Here we forecast how well CMB polarization data from \Planck\ ... | Kozmik mikrodalga arka planı (CMB) sıcaklık anizotropileri, büyük ölçekli dipol güç asimetrisi göstermektedir. Bunun gerçek, fiziksel bir modülasyondan kaynaklanıp kaynaklanmadığını ya da sadece büyük bir istatistiksel dalgalanmadan ibaret olup olmadığını belirlemek için yeni kiplerin ölçülmesi gerekmektedir. Burada, \... | tr |
We address the issue of estimating the regression vector $\beta$ in the generic $s$-sparse linear model $y = X\beta+z$, with $\beta\in\R^{p}$, $y\in\R^{n}$, $z\sim\mathcal N(0,\sg^2 I)$ and $p> n$ when the variance $\sg^{2}$ is unknown. We study two LASSO-type methods that jointly estimate $\beta$ and the variance. The... | យើងខ្ញុំដោះស្រាយបញ្ហានៃការប៉ាន់ស្មានវ៉ិចទ័រតម្រឹម $\beta$ ក្នុងគំរូលីនេអ៊ែរ $s$-ដែលមានភាពតិចតួច $y = X\beta+z$ ដែល $\beta\in\R^{p}$, $y\in\R^{n}$, $z\sim\mathcal N(0,\sg^2 I)$ និង $p> n$ នៅពេលដែលវ៉ារ្យង់ $\sg^{2}$ មិនត្រូវបានគេស្គាល់។ យើងខ្ញុំសិក្សាលើវិធីសាស្ត្រប្រភេទ LASSO ពីរដែលប៉ាន់ស្មាន $\beta$ និងវ៉ា... | km |
Automatic image colourisation is the computer vision research path that studies how to colourise greyscale images (for restoration). Deep learning techniques improved image colourisation yielding astonishing results. These differ by various factors, such as structural differences, input types, user assistance, etc. Mos... | স্বয়ংক্রিয় ছবি রঙিনকরণ হল কম্পিউটার ভিশন গবেষণার একটি পথ যা কিছু ছবি (পুনরুদ্ধারের জন্য) কে রঙিন করার পদ্ধতি নিয়ে আলোচনা করে। গভীর শিক্ষণ কৌশলগুলি ছবির রঙিনকরণে উন্নতি ঘটিয়েছে এবং অসাধারণ ফলাফল দিয়েছে। এগুলি বিভিন্ন কারণে ভিন্ন, যেমন কাঠামোগত পার্থক্য, ইনপুটের প্রকারভেদ, ব্যবহারকারীর সহায়তা ইত্যাদি। এদের অধিকাংশই... | bn |
We present the analysis of the velocity structure of the intracluster gas near the core of Abell 3526 obtained with two off-center Chandra observations, specifically designed to eliminate errors due to spatial variations of the instrumental gain. We detected a significant velocity gradient along the direction NE-SW dir... | យើងខ្ញុំបានបង្ហាញពីការវិភាគរចនាសម្ព័ន្ធល្បឿនរបស់ឧស្ម័នក្នុងក្រុមក្រុមនៅជិតផ្ចិត Abell 3526 ដែលទទួលបានដោយការសង្កេតពី Chandra ពីរដែលមិនស្ថិតនៅផ្ចិត ដែលត្រូវបានរចនាឡើងជាពិសេសដើម្បីកាត់បន្ថយកំហុសដោយសារបំលាស់ទីក្នុងលំហនៃការផ្លាស់ប្តូរឧបករណ៍។ យើងខ្ញុំបានរកឃើញនូវការប្រែប្រួលល្បឿនយ៉ាងសំខាន់តាមទិសខាងជើង-ខាងកើតទៅខាងត្បូង-ខាងលិច ... | km |
Several unexpected features are observed at large angular scales in the CMB temperature anisotropy measurements by both WMAP and Planck. These include the lack of both variance and correlation, alignment of the lowest multipole moments with one another, hemispherical power asymmetry, and an odd-to-even parity excess. I... | W.M.A.P နှင့် ပလန့်ခ် နှစ်ခုစလုံးမှ C.M.B အပူချိန် မညီမျှမှု တိုင်းတာမှုများတွင် ထောင့်အကွာအဝေးကြီးများတွင် မျှော်လင့်မထားသော အင်္ဂါရပ်များစွာကို တွေ့ရှိခဲ့ရသည်။ ၎င်းတို့တွင် ပြောင်းလဲမှုနှင့် ဆက်စပ်မှု နှစ်ခုစလုံး ကင်းမဲ့ခြင်း၊ အနိမ့်ဆုံး မြှောက်ကိန်းများ အချင်းချင်း တည့်မတ်ခြင်း၊ ကမ္ဘာလုံးဝက် စွမ်းအင်မမျှခြင်း၊ ထူးဖြ... | my |
Primordial nucleosynthesis is considered a success story of the standard big bang (SBB) cosmology. The cosmological and elementary particle physics parameters are believed to be severely constrained by the requirement of correct abundances of light elements. We demonstrate nucleosynthesis in a class of models very diff... | Nukleosintesis primordial dianggap sebagai kisah sukses kosmologi ledakan besar standar (SBB). Parameter-parameter kosmologi dan fisika partikel elementer diyakini dibatasi secara ketat oleh keharusan tercapainya kelimpahan yang tepat dari unsur-unsur ringan. Kami menunjukkan nukleosintesis dalam sekelas model yang san... | id |
The impact of in-plane alternating currents on the exchange bias, resistance, and magnetoresistance of a CoFe/NiCoO/CoFe/Cu/CoFe spin-valve is studied. With increasing current, the resistance is increased while the maximum magnetoresistance ratio decreases. Noticeably, the reversal of the pinned layer is systematically... | CoFe/NiCoO/CoFe/Cu/CoFe স্পিন-ভালভের এক্সচেঞ্জ বায়াস, রোধ এবং চৌম্বকীয় রোধের উপর সমতলীয় পরিবর্তনশীল তড়িৎপ্রবাহের প্রভাব নিয়ে অধ্যয়ন করা হয়েছে। তড়িৎপ্রবাহের মাত্রা বৃদ্ধির সাথে সাথে রোধ বৃদ্ধি পায় এবং সর্বোচ্চ চৌম্বকীয় রোধ অনুপাত হ্রাস পায়। উল্লেখযোগ্যভাবে, চৌম্বক ক্ষেত্র অনুসারে উভয় দিকে স্ক্যান করার সময় স... | bn |
Kundt spacetimes are of great importance in general relativity in 4 dimensions and have a number of topical applications in higher dimensions in the context of string theory. The degenerate Kundt spacetimes have many special and unique mathematical properties, including their invariant curvature structure and their hol... | Ruangwaktu Kundt mempunyai kepentingan besar dalam kerelativan am di dimensi 4 dan mempunyai sejumlah aplikasi terkini dalam dimensi lebih tinggi dalam konteks teori tali. Ruangwaktu Kundt yang merosot mempunyai banyak sifat matematik istimewa dan unik, termasuk struktur lengkungan tak ubah dan struktur holonomi mereka... | ms |
Photoproduction of $K^*$ vector mesons off nucleon is investigated within the Regge framework where the electromagnetic vertex of $\gamma K^*K^*$ fully takes into account the magnetic dipole and electric quadrupole moments of spin-1 $K^*$ vector meson. The $t$-channel $K^*(892)$, $K(494)$ and $\kappa(800)$ meson exchan... | ການສຶກສາການຜະລິດ $K^*$ ເວັກເຕີໂມຊອນ ຈາກນິວເຄຍສ໌ ໃນຂອບການ Regge ໂດຍທີ່ຈຸດຕັດຕໍ່ໄຟຟ້າ-ແມ່ເຫຼັກຂອງ $\gamma K^*K^*$ ຖືກຄຳນຶງເຖິງຢ່າງຄົບຖ້ວນ ຕໍ່ຂົ້ວແມ່ເຫຼັກດູດລະດັບຄູ່ ແລະ ຂົ້ວໄຟຟ້າຄູ່ລະດັບສີ່ ຂອງ $K^*$ ເວັກເຕີໂມຊອນ ທີ່ມີສະປິນ-1. ການແລກປ່ຽນໂມຊອນ $t$-ຊ່ອງ $K^*(892)$, $K(494)$ ແລະ $\kappa(800)$ ແມ່ນຖືກພິຈາລະນາ ເພື່ອວິເຄາະເຊິ່... | lo |
With the aim of better understanding the class of 4D theories generated by compactifications of 6D superconformal field theories (SCFTs), we study the structure of N = 1 supersymmetric punctures for class S_Gamma theories, namely the 6D SCFTs obtained from M5-branes probing an ADE singularity. For M5-branes probing a C... | بهدف فهم أفضل لفئة النظريات الرباعية الأبعاد التي تنشأ عن اختزال أبعاد النظريات الفائقة المتناسقة سداسية الأبعاد (SCFTs)، ندرس بنية الثقوب الفائقة المتماثلة بنمط N = 1 لنظرية الفئة S_Gamma، أي النظريات الفائقة المتناسقة سداسية الأبعاد المستمدة من أسطح M5 عند استقصائها لانفرادات من نوع ADE. بالنسبة لأسطح M5 التي تستقصي ... | ar |
In this Letter we investigate the properties of advection-dominated accretion flows (ADAFs) fed by the evaporation of a Shakura-Sunyaev accretion disk (SSD). In our picture the ADAF fills the central cavity evacuated by the SSD and extends beyond the transition radius into a coronal region. We find that, because of glo... | 本論文では、シャクル-スニヤエフ降着円盤（SSD）の蒸発によって供給される対流優勢降着流（ADAF）の性質を検討する。我々の描像では、ADAFはSSDによって空けられた中心空洞を満たし、遷移半径を超えてコロナ領域まで広がっている。全般的な角運動量保存のため、注入率が半径に対して弱くしか依存しない場合（$r^2\dot\sigma\propto r^{-\xi}$、$\xi< 1/2$）を除き、高温ガスの相当な割合がブラックホールから離れて超音速風を形成して流出することになる。遷移半径がシュワルツシルト半径のおよそ100倍以下であれば、流入ガスのベルヌーイ数は負となり、したがってブラックホールに落下する物質は重力的に束縛されている。流... | ja |
In this paper, we develop and analyze numerical methods for high dimensional Fokker-Planck equations by leveraging generative models from deep learning. Our starting point is a formulation of the Fokker-Planck equation as a system of ordinary differential equations (ODEs) on finite-dimensional parameter space with the ... | اس مقالے میں، ہم گہری سیکھنے کے تولیدی ماڈلز کو بروئے کار لاتے ہوئے بعید بعدی فوکر-پلانک مساوات کے لیے عددی طریقوں کی ترقی اور تجزیہ کرتے ہیں۔ ہمارا نقطۂ آغاز فوکر-پلانک مساوات کی ایک صورت ہے جو معمولی ممیزی مساوات (ODEs) کے نظام کے طور پر ہوتی ہے جو محدود بعدی پیرامیٹر کی جگہ پر ہوتی ہے، جس کے پیرامیٹرز تولیدی ماڈلز ج... | ur |
We have obtained an exceptionally high S/N, high resolution spectrum of the gravitationally lensed quasar Q1422+231 in order to investigate the metal enrichment of the IGM. A column density distribution function (CDDF) is determined for CIV, which is well fit by a power law with index 1.44 +/- 0.05. Once a correction f... | Nous avons obtenu un spectre exceptionnellement de haut rapport signal/bruit et de haute résolution du quasar Q1422+231, amplifié par lentille gravitationnelle, afin d'étudier l'enrichissement métallique du milieu intergalactique. Une fonction de distribution des densités de colonne (CDDF) est déterminée pour le CIV, q... | fr |
We made a supplemental study of the superoutbursts and superhumps in SU UMa stars by using the recently released Kepler public data of V1504 Cyg and V344 Lyr. One of the superoutbursts in V1504 Cyg was preceded by a precursor normal outburst which was well separated from the main superoutburst. The superhump first appe... | Nous avons effectué une étude complémentaire des superéruptions et des superbourrelets dans les étoiles de type SU UMa en utilisant les données publiques récemment diffusées par Kepler concernant V1504 Cyg et V344 Lyr. L'une des superéruptions de V1504 Cyg a été précédée par une éruption normale précurseur bien distinc... | fr |
For a deeply supercooled liquid just above its glass transition temperature, we present a simple thermodynamic model, where the deeply supercooled liquid is assumed to be a mixture of solid-like and liquid-like micro regions. The mole fraction of the liquid-like regions controls the thermodynamic properties of the supe... | ສຳລັບແຫຼວທີ່ຖືກເຢັນຢ່າງລ້ອກທີ່ຢູ່ພຽງແຕ່ເທິງຈຸດກະຈາຍຂອງມັນ, ພວກເຮົານຳສະເໜີຮູບແບບທາງດ້ານໂທລະມາດງ່າຍໆ, ໂດຍທີ່ແຫຼວທີ່ຖືກເຢັນຢ່າງລ້ອກຖືກສົມມຸດວ່າເປັນສ່ວນປະສົມຂອງບັນດາບໍລິເວນຈຸລັງທີ່ຄ້າຍຄືກັບຂອງແຂງ ແລະ ຄ້າຍຄືກັບຂອງແຫຼວ. ສ່ວນຮ້ອຍໂມນຂອງບັນດາບໍລິເວນທີ່ຄ້າຍຄືກັບແຫຼວຈະຄວບຄຸມຄຸນສົມບັດທາງດ້ານໂທລະມາດຂອງແຫຼວທີ່ຖືກເຢັນຢ່າງລ້ອກ, ໃນຂະນະ... | lo |
Large amounts of labeled training data are one of the main contributors to the great success that deep models have achieved in the past. Label acquisition for tasks other than benchmarks can pose a challenge due to requirements of both funding and expertise. By selecting unlabeled examples that are promising in terms o... | De grandes quantités de données d'entraînement étiquetées comptent parmi les principaux facteurs ayant contribué au grand succès remporté par les modèles profonds par le passé. L'acquisition d'étiquettes pour des tâches autres que les référentiels peut s'avérer difficile en raison des besoins en financement et en exper... | fr |
Let A be a C*-algebra and A** its enveloping von Neumann algebra. C. Akemann suggested a kind of non-commutative topology in which certain projections in A** play the role of open sets. The adjectives "open", "closed", "compact", and "relatively compact" all can be applied to projections in A**. Two operator inequaliti... | Soit A une C*-algèbre et A** son algèbre de von Neumann enveloppante. C. Akemann a suggéré une sorte de topologie non commutative dans laquelle certaines projections de A** jouent le rôle d'ensembles ouverts. Les adjectifs « ouvert », « fermé », « compact » et « relativement compact » peuvent tous s'appliquer à des pro... | fr |
The recurrent nova T Pyxidis (T Pyx) is well known for its small binary separation, its unusually high luminosity in quiescence, and the spectacular Hubble Space Telescope (HST) images of its surrounding remnant. In 2011 April, T Pyx erupted for the first time since 1966. Here we describe HST observations in late 2011 ... | 再発新星T Pyxidis（T Pyx）は、連星間距離が非常に短いこと、静穏期における異常に高い光度、そして周囲に広がる残骸の壮大なハッブル宇宙望遠鏡（HST）画像でよく知られている。2011年4月、T Pyxは1966年以来初めて爆発した。ここでは、爆発中の白色矮星（WD）を取り巻く一時的な反射星雲について、2011年末にHSTで行った観測を報告する。既存の残骸内でのこの光エコーの観測から、その構造は半径約5"の塊状の環が支配的であり、傾斜は30〜40度で、東側の縁が観測者側に傾いていることが明らかになった。中心光源からの直接光と、中心光源と同じ前景距離にあるいくつかの塊内の塵によって散乱された光との時間遅延から、T Pyxまでの... | ja |
We present a numerical model for the evolution of a protostellar disc that has formed self-consistently from the collapse of a molecular cloud core. The global evolution of the disc is followed for several million years after its formation. The capture of a wide range of spatial and temporal scales is made possible by ... | យើងខ្ញុំបានបង្ហាញពីគំរូលេខសម្រាប់ការវិវត្តនៃឌីសប្រូតូស្ទែលឡាដែលបានកើតឡើងដោយសេចក្តីស៊ីសង្វាក់ពីការធ្លាក់ចុះនៃគ្រោះអាចម៍ផ្សែងម៉ូលេគុល។ ការវិវត្តន៍ទូទៅរបស់ឌីសត្រូវបានតាមដានអស់រយៈពេលជាច្រើនលានឆ្នាំបន្ទាប់ពីការបង្កើតរបស់វា។ ការចាប់យកជួរទូលំទូលាយនៃមាត្រដ្ឋានកន្លែង និងពេលវេលាត្រូវបានធ្វើឱ្យអាចទៅរួចដោយការប្រើប្រាស់ការប្រមាណប្រ... | km |
We extend the classical Gouy-Chapman model of two planar parallel interacting double-layers, which is used as a first approximation to describe the force between colloidal particles, by considering the finite-thickness of the colloids. The formation of two additional double layers due to this finite thickness, modifies... | আমরা কোলয়েডাল কণাগুলির মধ্যে বল বর্ণনার জন্য প্রথম আসন্নমান হিসাবে ব্যবহৃত দুটি সমতলীয় সমান্তরাল পরস্পরক্রিয়াশীল ডবল-স্তরের ক্লাসিকাল গাউয়ি-চ্যাপম্যান মডেলটি সম্প্রসারিত করি, যেখানে কোলয়েডগুলির সসীম বেধ বিবেচনা করা হয়। এই সসীম বেধের কারণে দুটি অতিরিক্ত ডবল-স্তরের সৃষ্টি হয়, যা গাউয়ি-চ্যাপম্যান ক্ষেত্রের তুলনায়... | bn |
We present the first spectral features obtained from Cassini's Composite Infrared Spectrometer (CIRS) for any icy moon. The spectral region covered by CIRS focal planes (FP) 3 and 4 is rich in emissivity features, but previous studies at these wavelengths have been limited by low signal to noise ratios (S/Rs) for indiv... | ہم کسی بھی برفیلے چاند کے لیے کیسینی کے کمپوزٹ اِنفراریڈ اسپیکٹرومیٹر (سی آئی آر ایس) سے حاصل کردہ پہلی طیفی خصوصیات پیش کرتے ہیں۔ سی آئی آر ایس فوکل پلینز (ایف پی) 3 اور 4 کے ذریعہ کور کی گئی طیفی علاقہ اخراجی خصوصیات سے بھرا ہوا ہے، لیکن ان طولِ موج کے پیمانے پر پچھلی تحقیقات انفرادی طیف کے لیے کم سگنل سے نویز تناسب ... | ur |
Primordial nucleosynthesis is considered a success story of the standard big bang (SBB) cosmology. The cosmological and elementary particle physics parameters are believed to be severely constrained by the requirement of correct abundances of light elements. We demonstrate nucleosynthesis in a class of models very diff... | La nucléosynthèse primordiale est considérée comme un succès de la cosmologie du big bang standard (SBB). On pense que les paramètres cosmologiques et de physique des particules élémentaires sont fortement contraints par la nécessité d'obtenir des abondances correctes des éléments légers. Nous étudions la nucléosynthès... | fr |
Wide-band radio polarization observations offer the possibility to recover information about the magnetic fields in synchrotron sources, such as details of their three-dimensional configuration, that has previously been inaccessible. The key physical process involved is the Faraday rotation of the polarized emission in... | Observações em larga banda da polarização de rádio oferecem a possibilidade de recuperar informações sobre os campos magnéticos em fontes sincrotrônicas, tais como detalhes de sua configuração tridimensional, que anteriormente eram inacessíveis. O processo físico fundamental envolvido é a rotação de Faraday da emissão ... | pt |
Intrinsically broken symmetries in the bulk of topological insulators (TIs) are manifested in their surface states. In spite of particle-hole asymmetry in TIs, it has often been assumed that their surface states are characterized by a particle-hole symmetric Dirac energy dispersion. In this work we demonstrate that the... | ຄວາມບໍ່ສົມດຸນທີ່ມີຢູ່ໃນໂຄງສ້າງພາຍໃນຂອງສານກັ້ນທີ່ມີຄຸນສົມບັດທາງດ້ານໂທບອັນ (TIs) ສະແດງອອກຜ່ານລັກສະນະຂອງສະຖານະພື້ນຜິວຂອງມັນ. ເຖິງແມ່ນວ່າຈະມີຄວາມບໍ່ສົມດຸນລະຫວ່າງອະນຸພາກກັບຮູ (particle-hole asymmetry) ໃນ TIs, ກໍມັກຈະຖືກສົມມຸດວ່າສະຖານະພື້ນຜິວຂອງມັນມີລັກສະນະໂດຍການແຈກຢາຍພະລັງງານດີຮາກ (Dirac energy dispersion) ທີ່ສົມດຸນລະຫວ່າງອ... | lo |
Let A be a C*-algebra and A** its enveloping von Neumann algebra. C. Akemann suggested a kind of non-commutative topology in which certain projections in A** play the role of open sets. The adjectives "open", "closed", "compact", and "relatively compact" all can be applied to projections in A**. Two operator inequaliti... | A를 C*-대수라 하고, A**를 그 둘레 von Neumann 대수라 하자. C. Akemann은 A**의 특정 사영(projection)들이 열린 집합의 역할을 하는 일종의 비가환 위상을 제안하였다. "열린", "닫힌", "컴팩트", "상대적으로 컴팩트"라는 형용사는 모두 A**의 사영에 적용될 수 있다. Akemann은 컴팩트성과 관련하여 두 가지의 작용소 부등식을 사용하였다. 이 두 부등식 모두 A**에서 닫힌 사영에 대해 컴팩트성과 동치이지만, 일반적인 사영에 대해서는 그 중 하나만이 상대적 컴팩트성과 동치이다. 저자는 컴팩트성과 관련된 세 번째 작용소 부등... | ko |
Android mobile operating system which is based on Linux Kernel 2.6, has open source license and adaptability to user driven applications. As all other operating systems it has all the basic features like process scheduling, memory management, process management etc associated with it. Any mobile platform works smoothly... | O sistema operacional móvel Android, que é baseado no Kernel Linux 2.6, possui licença de código aberto e adaptabilidade a aplicações orientadas pelo usuário. Como todos os outros sistemas operacionais, possui todas as funcionalidades básicas, como escalonamento de processos, gerenciamento de memória, gerenciamento de ... | pt |
We present an analysis of the optical spectroscopy of 58 stars in the Galactic plane at $l=27$\arcdeg, where a prominent excess in the flux distribution and star counts have been observed in several spectral regions, in particular in the Two Micron Galactic Survey (TMGS) catalog. The sources were selected from the TMGS... | ພວກເຮົານຳສະເໜີການວິເຄາະສະເປັກໂທຣສະກ໊ອບທາງດ້ານແສງສະຫວ່າງຂອງດາວ 58 ແບບໃນແຜນກາແລັກຕິກທີ່ $l=27$\arcdeg, ໂດຍທີ່ການເກີນຂອງກະແສແສງສະຫວ່າງ ແລະ ຈຳນວນດາວໄດ້ຖືກສັງເກດເຫັນໃນຫຼາຍພື້ນທີ່ສະເປັກຕຼັມ, ໂດຍສະເພາະໃນຂໍ້ມູນຈາກໂຄງການສຳຫຼວດກາແລັກຕິກທີ່ຄວາມຍາວຄື້ນສອງໄມໂຄຣນ (TMGS). ຕົ້ນກຳເນີດຖືກເລືອກມາຈາກຂໍ້ມູນ TMGS ໂດຍມີຂະໜາດ $K$ ເບົາກວ່າ +5 ... | lo |
We expose some simple facts at the interplay between mathematics and the real world, putting in evidence mathematical objects " nonlinear generalized functions" that are needed to model the real world, which appear to have been generally neglected up to now by mathematicians. Then we describe how a "nonlinear theory of... | Wir stellen einige einfache Tatsachen über das Zusammenspiel zwischen Mathematik und der realen Welt dar und machen dabei mathematische Objekte sichtbar – „nichtlineare verallgemeinerte Funktionen“ –, die zur Beschreibung der realen Welt erforderlich sind, bisher aber von Mathematikern weitgehend vernachlässigt wurden.... | de |
Nowadays, the use of agile software development methods like Scrum is common in industry and academia. Considering the current attacking landscape, it is clear that developing secure software should be a main concern in all software development projects. In traditional software projects, security issues require detaile... | De nos jours, l'utilisation de méthodes de développement logiciel agiles telles que Scrum est courante dans l'industrie et le milieu universitaire. Compte tenu de l'environnement actuel des menaces, il est clair que le développement de logiciels sécurisés devrait être une préoccupation majeure dans tous les projets de ... | fr |
In this paper we compare the heave, surge, and pitch dynamics of a submerged cylindrical point absorber, simulated using potential flow and fully-resolved computational fluid dynamics (CFD) models. The potential flow model is based on the time-domain Cummins equation, whereas the CFD model uses the fictitious domain Br... | Sa papel na ito, inihambing namin ang mga dinamikang heave, surge, at pitch ng isang nakalubog na silindrikal na point absorber na sinimulang gamit ang potensyal na daloy at ganap na naresolbang computational fluid dynamics (CFD) na mga modelo. Ang modelo ng potensyal na daloy ay batay sa time-domain na Cummins equatio... | tl |
Processing massive application graphs on distributed memory systems requires to map the graphs onto the system's processing elements (PEs). This task becomes all the more important when PEs have non-uniform communication costs or the input is highly irregular. Typically, mapping is addressed using partitioning, in a tw... | Procesar grafos de aplicaciones masivos en sistemas con memoria distribuida requiere mapear los grafos sobre los elementos de procesamiento (PEs) del sistema. Esta tarea adquiere mayor importancia cuando los PEs tienen costos de comunicación no uniformes o cuando la entrada es altamente irregular. Típicamente, el mapeo... | es |
Artificial ice systems have been designed to replicate paradigmatic phenomena observed in frustrated spin systems. Here we present a detailed theoretical analysis based on Monte-Carlo simulations of the low energy phases in an artificial colloidal ice system, a recently introduced ice system where an ensemble of repuls... | ລະບົບນ້ຳກ້ອນທີ່ສ້າງຂຶ້ນດ້ວຍມະນຸດຖືກອອກແບບມາເພື່ອຈຳລອງເອົາເບົາະທີ່ສັງເກດເຫັນໃນລະບົບສະໄໝທີ່ຖືກຂັດຂວາງ. ນີ້ພວກເຮົານຳສະເໜີການວິເຄາະທາງທິດສະດີລະອຽດໂດຍອີງໃສ່ການຈຳລອງດ້ວຍວິທີມອນເຕ້-ຄາໂລ (Monte-Carlo simulations) ຂອງຂັ້ນຕ່ຳພະລັງງານໃນລະບົບນ້ຳກ້ອນຄອລອຍ (colloidal ice system), ເຊິ່ງເປັນລະບົບນ້ຳກ້ອນທີ່ຖືກນຳສະເໜີໃໝ່ໆ ໂດຍທີ່ຊຸດຂອງຄອ... | lo |
We develop a robust coarse-grained model for single and double stranded DNA by representing each nucleotide by three interaction sites (TIS) located at the centers of mass of sugar, phosphate, and base. The resulting TIS model includes base-stacking, hydrogen bond, and electrostatic interactions as well as bond-stretch... | Vyvíjíme robustní hrubě zrnitý model pro jednovláknovou a dvouvláknovou DNA tím, že každý nukleotid reprezentujeme třemi interakčními místy (TIS) umístěnými v těžištích cukru, fosfátu a báze. Výsledný model TIS zahrnuje interakce způsobené navazováním bází, vodíkovými vazbami a elektrostatickými interakcemi, stejně jak... | cs |
In this paper, we provide non-parametric statistical tools to test stationarity of microstructure noise in general hidden Ito semimartingales, and discuss how to measure liquidity risk using high frequency financial data. In particular, we investigate the impact of non-stationary microstructure noise on some volatility... | في هذا البحث، نقدم أدوات إحصائية غير بارامترية لاختبار تجانس الضجيج الهيكلي في عموميات السيمارتينجالز الإيطالية المخفية، ونناقش كيفية قياس مخاطر السيولة باستخدام بيانات مالية ذات تردد عالٍ. وبشكل خاص، نحقق في تأثير الضجيج الهيكلي غير الثابت على بعض مقاييس التقلب، ونُعدّل ثلاثة اختبارات متكاملة من خلال استغلال تأثيرات ا... | ar |
Given two spherically symmetric and short range potentials $V_0$ and V_1 for which the radial Schrodinger equation can be solved explicitely at zero energy, we show how to construct a new potential $V$ for which the radial equation can again be solved explicitely at zero energy. The new potential and its corresponding ... | ຖ້າມີпотенциອນສີ່ມມົນສອງອັນທີ່ມີຂອບເຂດສັ້ນ $V_0$ ແລະ $V_1$ ທີ່ສາມາດແກ້ສົມຜົນຊເຣີດິງເຈີ (Schrodinger) ໃນທິດລັດຖານະກົມໃນພະລັງງານສູນໄດ້ຢ່າງຊັດເຈນ, ພວກເຮົາສະແດງວິທີການສ້າງ potential ໃໝ່ $V$ ທີ່ສົມຜົນກົມກໍສາມາດແກ້ໄດ້ຢ່າງຊັດເຈນໃນພະລັງງານສູນ. ພະລັງງານໃໝ່ ແລະ ຟັງຊັ່ນຄື້ນທີ່ກ່ຽວຂ້ອງຖືກໃຫ້ຢ່າງຊັດເຈນໃນຮູບແບບຂອງ $V_0$ ແລະ $V_1$, ແ... | lo |
In this work we present the main atmospheric parameters, carbon, nitrogen and oxygen abundances, and 12C/13C ratios determined in a sample of 28 Galactic clump stars. Abundances of carbon were studied using the C2 band at 5086.2 {\AA}. The wavelength interval 7980-8130 {\AA} with strong CN features was analysed in orde... | В данной работе представлены основные атмосферные параметры, содержания углерода, азота и кислорода, а также соотношения 12C/13C, определённые для выборки из 28 звёзд галактического красного гигантового скопления. Содержание углерода изучалось по полосе C2 при 5086,2 {\AA}. Интервал длин волн 7980–8130 {\AA}, содержащи... | ru |
Primordial nucleosynthesis is considered a success story of the standard big bang (SBB) cosmology. The cosmological and elementary particle physics parameters are believed to be severely constrained by the requirement of correct abundances of light elements. We demonstrate nucleosynthesis in a class of models very diff... | La nucleosintesi primordiale è considerata una conferma di successo della cosmologia del big bang standard (SBB). Si ritiene che i parametri cosmologici e di fisica delle particelle elementari siano fortemente vincolati dalla necessità di ottenere le corrette abbondanze degli elementi leggeri. Dimostriamo la nucleosint... | it |
Superfluidity and superconductivity are remarkable manifestations of quantum coherence at a macroscopic scale. The dynamics of superfluids has dominated the study of these systems for decades now, but a comprehensive theoretical framework is still lacking. We introduce a local extension of the time-dependent density fu... | Supraleitung und Supraleitfähigkeit sind bemerkenswerte Manifestationen quantenmechanischer Kohärenz auf makroskopischer Skala. Die Dynamik von Supraflüssigkeiten dominiert seit Jahrzehnten die Untersuchung dieser Systeme, doch bis heute fehlt ein umfassender theoretischer Rahmen. Wir führen eine lokale Erweiterung der... | de |
The neutron-rich 6He and 8He isotopes exhibit an exotic nuclear structure that consists of a tightly bound 4He-like core with additional neutrons orbiting at a relatively large distance, forming a halo. Recent experimental efforts have succeeded in laser trapping and cooling these short-lived, rare helium atoms, and ha... | Los isótopos ricos en neutrones 6He y 8He presentan una estructura nuclear exótica que consiste en un núcleo fuertemente ligado similar al 4He, con neutrones adicionales orbitando a una distancia relativamente grande, formando un halo. Recientes esfuerzos experimentales han logrado atrapar y enfriar mediante láser esto... | es |
We expose some simple facts at the interplay between mathematics and the real world, putting in evidence mathematical objects " nonlinear generalized functions" that are needed to model the real world, which appear to have been generally neglected up to now by mathematicians. Then we describe how a "nonlinear theory of... | Kami mengungkapkan beberapa fakta sederhana mengenai interaksi antara matematika dan dunia nyata, menunjukkan adanya objek-objek matematis "fungsi umum nonlinier" yang diperlukan untuk memodelkan dunia nyata, yang ternyata selama ini umumnya diabaikan oleh para matematikawan. Selanjutnya, kami menjelaskan bagaimana sua... | id |
We propose a novel type of minor-embedding (ME) in simulated-annealing-based Ising machines. The Ising machines can solve combinatorial optimization problems. Many combinatorial optimization problems are mapped to find the ground (lowest-energy) state of the logical Ising model. When connectivity is restricted on Ising... | Nous proposons un nouveau type d'encodage par sous-graphes mineurs (ME) dans les machines d'Ising basées sur le recuit simulé. Les machines d'Ising peuvent résoudre des problèmes d'optimisation combinatoire. De nombreux problèmes d'optimisation combinatoire sont transformés en une recherche de l'état fondamental (état ... | fr |
Generalized planning is concerned with the computation of plans that solve not one but multiple instances of a planning domain. Recently, it has been shown that generalized plans can be expressed as mappings of feature values into actions, and that they can often be computed with fully observable non-deterministic (FON... | সাধারণীকৃত পরিকল্পনা এমন পরিকল্পনার গণনার সাথে সম্পর্কিত যা একটি পরিকল্পনা ক্ষেত্রের একটি নয় বরং এর একাধিক উদাহরণ সমাধান করে। সম্প্রতি, দেখানো হয়েছে যে সাধারণীকৃত পরিকল্পনাগুলিকে বৈশিষ্ট্য মানগুলির মানচিত্রকে ক্রিয়াকলাপে প্রকাশ করা যেতে পারে, এবং প্রায়শই এগুলি পুরোপুরি পর্যবেক্ষণযোগ্য অ-নির্ধারিত (FOND) প্ল্যানারগু... | bn |
We argue that the problem of finding lower-dimensional de Sitter solutions to the classical field equations of higher-dimensional supergravity necessarily requires understanding the back-reaction of whatever localized objects source the bulk fields. However, we also find that most of the details of the back-reacted sol... | আমরা যুক্তি দেখাই যে উচ্চ-মাত্রিক সুপারগ্র্যাভিটির ক্লাসিক্যাল ক্ষেত্র সমীকরণগুলির জন্য নিম্ন-মাত্রিক ডি সিটার সমাধানগুলি খুঁজে পাওয়ার সমস্যাটি অবশ্যই প্রয়োজন বাল্ক ক্ষেত্রগুলির উৎস স্থানীয়কৃত বস্তুগুলির ব্যাক-রিয়াকশন বোঝার। তবে, আমরা এটিও দেখি যে নিম্ন-মাত্রিক বক্রতা নির্ধারণ করার জন্য ব্যাক-রিয়াক্টেড সমাধানগুলির... | bn |
We consider a class of 6D superconformal field theories (SCFTs) which have a large $N$ limit and a semi-classical gravity dual description. Using the quiver-like structure of 6D SCFTs we study a subsector of operators protected from large operator mixing. These operators are characterized by degrees of freedom in a one... | យើងពិចារណាអំពីថ្នាក់មួយនៃទ្រឹស្តីវាលស៊ុបផែរកូនផ័រមល័យ 6D (SCFTs) ដែលមានលីមីត $N$ ធំ និងការពិពណ៌នាស្មើគ្នានឹងវិទ្យាសាស្ត្រទំនាញក្នុងស្ថានភាពក្រៅក្រាហ្វិក។ ដោយប្រើរចនាសម្ព័ន្ធបែបខ្សែសង្វាក់នៃ SCFTs 6D យើងសិក្សាអំពីផ្នែករងមួយនៃប្រមាណវិធីដែលត្រូវបានការពារពីការលាយបញ្ចូលគ្នាយ៉ាងខ្លាំង។ ប្រមាណវិធីទាំងនេះត្រូវបានគេចាត់ទុកថាជាដ... | km |
We develop a robust coarse-grained model for single and double stranded DNA by representing each nucleotide by three interaction sites (TIS) located at the centers of mass of sugar, phosphate, and base. The resulting TIS model includes base-stacking, hydrogen bond, and electrostatic interactions as well as bond-stretch... | Binuo namin ang isang matibay na modelo ng coarse-grained para sa solong at dobleng strand na DNA sa pamamagitan ng pagrerepresenta sa bawat nucleotide ng tatlong site ng interaksyon (TIS) na matatagpuan sa mga sentro ng masa ng asukal, pospato, at base. Ang resultang TIS model ay kasama ang base-stacking, hydrogen bon... | tl |
We expose some simple facts at the interplay between mathematics and the real world, putting in evidence mathematical objects " nonlinear generalized functions" that are needed to model the real world, which appear to have been generally neglected up to now by mathematicians. Then we describe how a "nonlinear theory of... | Gerçek dünya ile matematik arasındaki etkileşimde bazı basit gerçekleri ortaya koyuyoruz ve gerçek dünyayı modellemek için gereken ancak şimdiye kadar matematikçiler tarafından genellikle göz ardı edilmiş olan "doğrusal olmayan genelleştirilmiş fonksiyonlar" adlı matematiksel nesneleri ön plana çıkarıyoruz. Daha sonra ... | tr |
Use case modeling is very popular to represent the functionality of the system to be developed, and it consists of two parts: use case diagram and use case description. Use case descriptions are written in structured natural language (NL), and the usage of NL can lead to poor descriptions such as ambiguous, inconsisten... | ব্যবহারের ক্ষেত্রে মডেলিং বিকশিত করা হচ্ছে এমন সিস্টেমের কার্যকারিতা উপস্থাপনের জন্য খুবই জনপ্রিয়, এবং এটি দুটি অংশ নিয়ে গঠিত: ব্যবহারের ক্ষেত্রের ডায়াগ্রাম এবং ব্যবহারের ক্ষেত্রের বর্ণনা। ব্যবহারের ক্ষেত্রের বর্ণনাগুলি কাঠামোবদ্ধ প্রাকৃতিক ভাষায় (NL) লেখা হয়, এবং প্রাকৃতিক ভাষার ব্যবহার অস্পষ্ট, অসঙ্গতিপূর্ণ এবং/... | bn |
This paper presents a novel extended dynamic programming approach for energy minimization (EDP) to solve the correspondence problem for stereo and motion. A significant speedup is achieved using a recursive minimum search strategy (RMS). The mentioned speedup is particularly important if the disparity space is 2D as we... | ເອກະສານນີ້ນຳສະເໜີວິທີການຂະຫຍາຍຂອງການຂຽນໂປຣແກຣມແບບເຄື່ອນໄຫວສຳລັບການຫຼຸດຜ່ອນພະລັງງານ (EDP) ເພື່ອແກ້ໄຂບັນຫາການຈັບຄູ່ສຳລັບຮູບສະແດງແບບສະເຕີໂອ ແລະ ການເຄື່ອນໄຫວ. ຄວາມໄວໃນການດຳເນີນງານທີ່ເພີ່ມຂຶ້ນຢ່າງຫຼວງຫຼາຍສາມາດບັນລຸໄດ້ໂດຍການໃຊ້ເຕັກນິກການຊອກຫາຄ່າຕ່ຳສຸດແບບເວັ້ນຊ້ຳ (RMS). ຄວາມໄວທີ່ກ່າວມານີ້ມີຄວາມສຳຄັນເປັນພິເສດໃນກໍລະນີທີ່ພື້ນທີ່... | lo |
The Covid-19 pandemic has radically changed our lives. Under different circumstances, people react to it in various ways. One way is to work-from-home since lockdown has been announced in many regions around the world. For some places, however, we don't know if people really work from home due to the lack of informatio... | কোভিড-১৯ মহামারী আমাদের জীবনকে আমূল পরিবর্তন করে দিয়েছে। বিভিন্ন পরিস্থিতিতে মানুষ এর প্রতি বিভিন্নভাবে প্রতিক্রিয়া জানায়। এমন একটি প্রতিক্রিয়া হল বাড়ি থেকে কাজ করা, যেহেতু বিশ্বের অনেক অঞ্চলে লকডাউন ঘোষণা করা হয়েছে। তবে কিছু অঞ্চলের ক্ষেত্রে, তথ্যের অভাবের কারণে আমরা জানি না যে মানুষ আসলে বাড়ি থেকে কাজ করছে কিন... | bn |
We measured polarized dust emission at 350um towards the high-mass star forming massive dense clump IRAS 20126+4104 using the SHARC II Polarimeter, SHARP, at the Caltech Submillimeter Observatory. Most of the observed magnetic field vectors agree well with magnetic field vectors obtained from a numerical simulation for... | ہم نے کیل ٹیک سب ملی میٹر آبزرویٹری پر شارک دو قطبی میٹر، شارپ، کا استعمال کرتے ہوئے 350 مائیکرو میٹر پر زندہ ماس ستارہ تشکیل دینے والے بڑے گھنے ڈھیر آئی آر اے ایس 20126+4104 کی سمت میں دھول کے قطبی اخراج کا ماپا۔ مشاہدہ کردہ زیادہ تر مقناطیسی میدان کے ویکٹرز اس صورت میں عددی مآخذ کے ذریعہ حاصل کردہ مقناطیسی میدان کے و... | ur |
Kundt spacetimes are of great importance in general relativity in 4 dimensions and have a number of topical applications in higher dimensions in the context of string theory. The degenerate Kundt spacetimes have many special and unique mathematical properties, including their invariant curvature structure and their hol... | Ang mga spacetime na Kundt ay may malaking kahalagahan sa pangkalahatang relatibidad sa 4 dimensyon at may iba't ibang aplikasyon sa mas mataas na dimensyon sa konteksto ng teorya ng string. Ang mga degeneradong spacetime na Kundt ay may maraming espesyal at natatanging matematikal na katangian, kabilang ang kanilang i... | tl |
We present Interplanetary Network (IPN) data for the gamma-ray bursts in the first Fermi Gamma-Ray Burst Monitor (GBM) catalog. Of the 491 bursts in that catalog, covering 2008 July 12 to 2010 July 11, 427 were observed by at least one other instrument in the 9-spacecraft IPN. Of the 427, the localizations of 149 could... | আমরা প্রথম ফার্মি গামা-রশ্মি বিস্ফোরণ মনিটর (জিবিএম) তালিকায় উল্লিখিত গামা-রশ্মি বিস্ফোরণগুলির জন্য আন্তঃগ্রহীয় নেটওয়ার্ক (আইপিএন) তথ্য উপস্থাপন করছি। উক্ত তালিকার 491টি বিস্ফোরণের মধ্যে, যা 2008 সালের 12 জুলাই থেকে 2010 সালের 11 জুলাই পর্যন্ত সময়কাল জুড়ে ছড়িয়ে আছে, 427টি বিস্ফোরণ নয়টি মহাকাশযানের গঠিত আইপিএন-এ... | bn |
We have developed a sophisticated model of the radio emission from extensive air showers in the scheme of coherent geosynchrotron radiation, providing a theoretical foundation for the interpretation of experimental data from current and future experiments. Having verified the model through comparison of analytic calcul... | เราได้พัฒนาแบบจำลองที่ซับซ้อนสำหรับการแผ่รังสีวิทยุจากฝนอากาศที่แผ่กว้างในกรอบแนวคิดของการแผ่รังสีเกอซิงโครตรอนแบบสอดคล้องกัน ซึ่งให้รากฐานทางทฤษฎีสำหรับการตีความข้อมูลการทดลองจากงานทดลองปัจจุบันและอนาคต หลังจากได้ตรวจสอบความถูกต้องของแบบจำลองดังกล่าวผ่านการเปรียบเทียบระหว่างการคำนวณเชิงทฤษฎี การจำลองแบบมอนติคาร์โล และ... | th |
The Supernova Cosmology Project has discovered over twenty-eight supernovae (SNe) at 0.35 <z < 0.65 in an ongoing program that uses Type Ia SNe as high-redshift distance indicators. Here we present measurements of the ratio between the locally observed and global Hubble constants, H_0^L/H_0^G, based on the first 7 SNe ... | اكتشف مشروع علم الكونيات من المستعرات العظمى أكثر من ثمانية وعشرين مستعرًا أعظميًا (SNe) عند 0.35 < z < 0.65 في برنامج مستمر يستخدم المستعرات العظمى من النوع Ia كمؤشرات للمسافات عند انزياح أحمر عالٍ. نقدم هنا قياسات لنسبة ثابت هيبل المرصود محليًا إلى ثابت هيبل الكوني، H_0^L/H_0^G، استنادًا إلى أول 7 مستعرات عظمى من هذه... | ar |
Respondent-driven sampling is a survey method for hidden or hard-to-reach populations in which sampled individuals recruit others in the study population via their social links. The most popular estimator for for the population mean assumes that individual sampling probabilities are proportional to each subject's repor... | Sampel berbasis responden adalah metode survei untuk populasi tersembunyi atau sulit dijangkau, di mana individu yang terpilih merekrut individu lain dalam populasi studi melalui keterkaitan sosial mereka. Estimator yang paling populer untuk rata-rata populasi mengasumsikan bahwa probabilitas pengambilan sampel individ... | id |
The Bayesian estimation of the unknown parameters of state-space (dynamical) systems has received considerable attention over the past decade, with a handful of powerful algorithms being introduced. In this paper we tackle the theoretical analysis of the recently proposed {\it nonlinear} population Monte Carlo (NPMC). ... | การประมาณแบบเบย์ของพารามิเตอร์ที่ไม่ทราบค่าในระบบเชิงพื้นที่สถานะ (ระบบพลวัต) ได้รับความสนใจอย่างมากในช่วงทศวรรษที่ผ่านมา โดยมีการนำเสนออัลกอริธึมที่มีประสิทธิภาพจำนวนหนึ่ง ในงานวิจัยนี้ เราศึกษาการวิเคราะห์เชิงทฤษฎีของวิธี {\it โมนติคาร์โลสำหรับประชากรแบบไม่เป็นเชิงเส้น} (NPMC) ที่เพิ่งถูกเสนอขึ้นมา ซึ่งเป็นกลไกการสุ่... | th |
We present a parallel algorithm that computes the ask and bid prices of an American option when proportional transaction costs apply to the trading of the underlying asset. The algorithm computes the prices on recombining binomial trees, and is designed for modern multi-core processors. Although parallel option pricing... | ພວກເຮົານຳສະເໜີຂະບວນການຄິດໄລ່ແບບຄູ່ຄູ່ ທີ່ຄິດໄລ່ລາຄາຖາມ ແລະ ລາຄາຂາຍຂອງຕົວເລືອກອາເມລິກາ ໃນເວລາທີ່ມີຄ່າທຳນຽມທາງການຄ້າແບບສົມສ່ວນໃນການຊື້ຂາຍຊັບສິນພື້ນຖານ. ຂະບວນການຄິດໄລ່ນີ້ຈະຄິດໄລ່ລາຄາຕາມຕົ້ນໄມ້ທວິນາມີຮູບແບບການລວມກັນຄືນ, ແລະ ຖືກອອກແບບມາສຳລັບໂປເຊັດເຊີ້ຫຼາຍໂປຣເຊັດເຊີ້ທີ່ທັນສະໄໝ. ຖ້າວ່າການຄິດໄລ່ລາຄາຕົວເລືອກແບບຄູ່ຄູ່ ໄດ້ຖືກສຶກສ... | lo |
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