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The Doppler dipole signal dominates the cosmic microwave background (CMB) anisotropy maps obtained by the Wilkinson Microwave Anisotropy Probe (WMAP) mission, and plays a key role throughout the data processing. Previously, we discovered a timing asynchronism of -25.6ms between the timestamps of the spacecraft attitude... | ドップラー双極信号は、ウィルキンソン宇宙背景放射異方性探査機（WMAP）ミッションによって得られた宇宙マイクロ波背景放射（CMB）異方性マップにおいて支配的であり、データ処理全体を通じて重要な役割を果たしている。以前、我々は、オリジナルの生のWMAP時系列データ（TOD）における宇宙船の姿勢データと放射計出力のタイムスタンプ間に-25.6ミリ秒のタイミング非同期が存在することを発見した。このずれが、その後のデータ処理で補正されない場合、得られたCMBマップに人工的な四極子成分（l=2）を生じることになる（Liu, Xiong & Li 2010）。最近、Roukema（2010b）は、仮定されるタイミングずれの関数としてTODから再... | ja |
In this work, we propose to utilize discrete graph Ricci flow to alter network entropy through feedback control. Given such feedback input can reverse entropic changes, we adapt the moniker of Maxwells Demon to motivate our approach. In particular, it has been recently shown that Ricci curvature from geometry is intrin... | 本研究では、離散的グラフリッチフローを用いてフィードバック制御を通じてネットワークエントロピーを変化させることを提案する。このようなフィードバック入力がエントロピー変化を逆転させ得ることから、我々のアプローチの動機付けとして「マクスウェルの悪魔」という呼称を採用する。特に最近、幾何学におけるリッチ曲率がボルツマンエントロピーおよびネットワークの機能的ロバスト性、すなわちランダムな変動が存在する中でも機能を維持する能力と本質的に関連していることが示されている。これにより、離散的リッチフローは、特定のネットワークの基礎的幾何構造を再構成し、スループットとレジリエンスを向上させる自然な手段を提供する。特定のエージェント間で非線形制約を課し... | ja |
Understanding and interacting with everyday physical scenes requires rich knowledge about the structure of the world, represented either implicitly in a value or policy function, or explicitly in a transition model. Here we introduce a new class of learnable models--based on graph networks--which implement an inductive... | ການເຂົ້າໃຈ ແລະ ການມີສ່ວນຮ່ວມກັບສະຖານະການທາງດ້ານຮ່າງກາຍໃນຊີວິດປະຈຳວັນ ຕ້ອງການຄວາມຮູ້ທີ່ເລິກເຊິ່ງກ່ຽວກັບໂຄງສ້າງຂອງໂລກ, ທີ່ຖືກສະແດງອອກບັງຄັບໃນຮູບແບບຂອງຟັງຊັ່ນຄ່າ ຫຼື ນະໂຍບາຍ, ຫຼື ສະແດງອອກຢ່າງຊັດເຈນໃນແບບຈຳລອງການຖ່າຍໂອນ. ໃນບົດນີ້ ພວກເຮົານຳສະເໜີຊັ້ນຂອງແບບຈຳລອງທີ່ສາມາດຮຽນຮູ້ໄດ້ໃໝ່ ໂດຍອີງໃສ່ເຄືອຂ່າຍກຼາຟ (graph networks) ເຊິ່ງຈ... | lo |
We discuss the prospects for detecting supersymmetric particles in variants of the minimal supersymmetric extension of the Standard Model (MSSM), in light of laboratory and cosmological constraints. We first assume that the lightest supersymmetric particle (LSP) is the lightest neutralino chi, and present scatter plots... | Мы обсуждаем перспективы обнаружения суперсимметричных частиц в различных вариантах минимального суперсимметричного расширения Стандартной модели (МССМ) с учётом лабораторных и космологических ограничений. Сначала мы предполагаем, что наименее массивной суперсимметричной частицей (НМСП) является самый лёгкий нейтральны... | ru |
The routing and wavelength assignment with protection is an important problem in telecommunications. Given an optical network and incoming connection requests, a commonly studied variant of the problem aims to grant maximum number of requests by assigning lightpaths at minimum network resource usage level, while ensuri... | تُعد مشكلة تعيين التوجيه والموجه مهمة في مجال الاتصالات. بالنظر إلى شبكة بصرية وطلبات اتصال واردة، تهدف إحدى الصيغ المدروسة بشكل شائع من هذه المشكلة إلى قبول أكبر عدد ممكن من الطلبات عن طريق تعيين مسارات ضوئية بأقل مستوى ممكن من استهلاك موارد الشبكة، مع ضمان استمرار الخدمات المقدمة في العمل في حالة حدوث عطل في أحد الات... | ar |
The atmospheres of small, potentially rocky exoplanets are expected to cover a diverse range in composition and mass. Studying such objects therefore requires flexible and wide-ranging modeling capabilities. We present in this work the essential development steps that lead to our flexible radiative transfer module, RED... | Các khí quyển của các ngoại hành tinh nhỏ, có khả năng là loại đá, được dự đoán sẽ đa dạng về thành phần và khối lượng. Do đó, việc nghiên cứu các vật thể như vậy đòi hỏi các khả năng mô hình hóa linh hoạt và toàn diện. Trong nghiên cứu này, chúng tôi trình bày các bước phát triển cơ bản dẫn đến mô-đun truyền bức xạ li... | vi |
The relationship between variability, luminosity and redshift in the South Galactic Pole QSO sample is examined in an effort to disentangle the effects of luminosity and redshift in the amplitude of the optical variations. The anticorrelation between variability and luminosity found by other authors is confirmed. Our a... | يتم فحص العلاقة بين التباين واللمعان والانزياح الأحمر في عينة الكوازارات عند القطب الجنوبي للدرب اللبني، في محاولة لفصل تأثيرات اللمعان والانزياح الأحمر على سعة التغيرات البصرية. ويتم تأكيد العلاقة العكسية بين التباين واللمعان التي وجدها باحثون آخرون. كما تدعم تحليلاتنا الادعاءات بأن التباين يزداد مع الانزياح الأحمر، و... | ar |
Subspace models play an important role in a wide range of signal processing tasks, and this paper explores how the pairwise geometry of subspaces influences the probability of misclassification. When the mismatch between the signal and the model is vanishingly small, the probability of misclassification is determined b... | سب اسپیس ماڈلز سگنل پروسیسنگ کے وسیع پیمانے پر کاموں میں اہم کردار ادا کرتے ہیں، اور اس مقالے میں یہ بحث کی گئی ہے کہ کس طرح سب اسپیس کی جوڑی وار جیومیٹری غلط طبقہ بندی کے امکان کو متاثر کرتی ہے۔ جب سگنل اور ماڈل کے درمیان میسمیچ نہایت ہی تھوڑا ہوتا ہے، تو غلط طبقہ بندی کا امکان سب اسپیس کے بنیادی زاویوں کی سائنز کے حا... | ur |
We report a fully quantum-dynamical study of the intramolecular vibrational energy redistribution (IVR) in the electronic ground state of carbonyl sulfide (OCS), which is a prototype of an isolated many-body quantum system with strong internal couplings and non-Rice-Ramsperger-Kassel-Marcus (RRKM) behavior. We pay part... | Мы сообщаем о полностью квантово-динамическом исследовании внутримолекулярной перераспределения колебательной энергии (IVR) в электронном основном состоянии карбонила сульфида (OCS), которое является типичным примером изолированной квантовой системы с большим числом тел, сильной внутренней связью и поведением, отличным... | ru |
Cell proliferation, apoptosis, and myosin-dependent contraction can generate elastic stress and strain in living tissues, which may be dissipated by internal rearrangement through cell topological transition and cytoskeletal reorganization. Moreover, cells and tissues can change their sizes in response to mechanical cu... | 细胞增殖、凋亡以及肌球蛋白依赖性收缩可在活体组织中产生弹性应力和应变，这些应力和应变可通过细胞拓扑转变和细胞骨架重组引起的内部重排而耗散。此外，细胞和组织可响应力学信号而改变其尺寸。本文研究了在由促进生长的化学因子场诱导的差异性生长背景下，组织可压缩性和内部重排活动对其尺寸和力学调控的作用。我们基于有限弹性与生长理论以及参考映射方法，建立了在欧拉框架下描述组织生长与力学耦合的数学模型。通过在参考映射演化中引入重排速率以纳入组织重排过程，当组织生长和变形具有径向对称性时，可导致弹性能量的耗散。通过对模型进行线性化分析，我们发现应力遵循麦克斯韦型黏弹性松弛行为。重排速率（我们称之为组织流动性）决定了应力松弛时间，而剪切模量与流动性的比值... | zh |
Let $kE$ denote the group algebra of an elementary abelian $p$-group of rank $r$ over an algebraically closed field of characteristic $p$. We investigate the functors $\mathcal{F}_i$ from $kE$-modules of constant Jordan type to vector bundles on $\mathbb{P}^{r-1}(k)$, constructed by Benson and Pevtsova. For a $kE$-modu... | Nechť $kE$ značí grupovou algebru elementární abelovské $p$-grupy řádu $r$ nad algebraicky uzavřeným tělesem charakteristiky $p$. Prozkoumáváme funktory $\mathcal{F}_i$ z kategorie $kE$-modulů konstantního Jordanova typu do kategorie vektorových bandlů na $\mathbb{P}^{r-1}(k)$, které zkonstruovali Benson a Pevtsova. Pr... | cs |
One of the mechanisms suggested for the L to T dwarf spectral type transition is the appearance of relatively cloud-free regions across the disk of brown dwarfs as they cool. The existence of partly cloudy regions has been supported by evidence for variability in dwarfs in the late L to early T spectral range, but no s... | មួយក្នុងចំណោមយន្តការដែលត្រូវបានស្នើឡើងសម្រាប់ការផ្លាស់ប្តូរពីប្រភេទវិវត្តន៍ L ទៅ T គឺការលេចចេញនៃតំបន់ដែលមានពពកតិចតួចនៅលើឌីស្ករបស់ផ្កាយត្រីតូច ដោយពួកវាត្រជាក់ចុះ។ ការមានវត្តមាននៃតំបន់ដែលពពកគ្របមិនទូទៅ ត្រូវបានគាំទ្រដោយភស្តុតាងនៃភាពប្រែប្រួលក្នុងផ្កាយត្រីតូចនៅក្នុងជួរ... | km |
Following Riley's work, for each 2-bridge link $K(r)$ of slope $r\in\QQ$ and an integer or a half-integer $n$ greater than 1, we introduce the {\it Heckoid orbifold $\orbs(r;n)$} and the {\it Heckoid group $\Hecke(r;n)=\pi_1(\orbs(r;n))$ of index $n$ for $K(r)$}. When $n$ is an integer, $\orbs(r;n)$ is called an {\it e... | Po práci Rileyho pro každý 2-mostkový uzel $K(r)$ se sklonem $r\in\QQ$ a celé číslo nebo polocelé číslo $n$ větší než 1 zavádíme {\it Heckoidův orbifold $\orbs(r;n)$} a {\it Heckidovu grupu $\Hecke(r;n)=\pi_1(\orbs(r;n))$ indexu $n$ pro $K(r)$}. Když $n$ je celé číslo, nazývá se $\orbs(r;n)$ {\it sudým} Heckidovým orbi... | cs |
The understanding of the characteristics of a magnetic layer in a different environment is crucial for any spintronics application. Before practical applications, thorough scrutiny of such devices is compulsory. Here we study such a potential Hall device of MgO-capped Hf/GdFeCo bilayer (FeCo-rich) for magnetization rel... | বিভিন্ন পরিবেশে চৌম্বকীয় স্তরের বৈশিষ্ট্যগুলির উপলব্ধি যেকোনো স্পিনট্রনিক্স প্রয়োগের জন্য অত্যন্ত গুরুত্বপূর্ণ। ব্যবহারিক প্রয়োগের আগে এমন যন্ত্রগুলির একটি গভীর পর্যালোচনা অপরিহার্য। এখানে আমরা বিভিন্ন ভোল্টেজ প্রোব রেখার প্রস্থ এবং ডিসি সেন্সিং কারেন্টের জন্য নিউক্লিয়েশন ক্ষেত্রের আশেপাশে চৌম্বকীকরণ শিথিলীকরণের জন... | bn |
As a sub-array of the Large High Altitude Air Shower Observatory (LHAASO), KM2A is mainly designed to cover a large fraction of the northern sky to hunt for gamma-ray sources at energies above 10 TeV. Even though the detector construction is still underway, a half of the KM2A array has been operating stably since the e... | ایل اچ اے اے ایس او (بڑی بلندی والی ایئر شاور آبزرویٹری) کی ایک ذیلی ترتیب کے طور پر، کے ایم 2 اے کا بنیادی مقصد شمالی آسمان کے بڑے حصے کا احاطہ کرنا ہے تاکہ 10 ٹی وی سے زیادہ توانائی پر گاما رے ذرائع کی تلاش کی جا سکے۔ اگرچہ تجسس کی تعمیر ابھی جاری ہے، تاہم کے ایم 2 اے کی نصف ترتیب دسمبر 2019 کے آخر سے مستحکم طور پر ک... | ur |
The purpose of a program analysis is to compute an abstract meaning for a program which approximates its dynamic behaviour. A compositional program analysis accomplishes this task with a divide-and-conquer strategy: the meaning of a program is computed by dividing it into sub-programs, computing their meaning, and then... | O objetivo de uma análise de programa é calcular um significado abstrato para um programa que aproxime seu comportamento dinâmico. Uma análise composicional de programas realiza esta tarefa com uma estratégia de divisão e conquista: o significado de um programa é calculado dividindo-o em subprogramas, computando o sign... | pt |
Ageing civil infrastructure systems require imminent attention before any failure mechanism becomes critical. Structural Health Monitoring (SHM) is employed to track inputs and/or responses of structural systems for decision support. Inspections and structural health monitoring require field visits, and subsequently ex... | Ang pagtanda ng mga sibil na sistema ng imprastraktura ay nangangailangan ng agarang atensyon bago pa man maging kritikal ang anumang mekanismo ng pagkabigo. Ginagamit ang Structural Health Monitoring (SHM) upang subaybayan ang mga input at/o tugon ng mga sistematikong istraktura bilang suporta sa paggawa ng desisyon. ... | tl |
Plant domestication involved a process of selection through human agency of a series of traits collectively termed the domestication syndrome. Current debate concerns the pace at which domesticated plants emerged from cultivated wild populations and how many genes were involved. Here we present simulations that test ho... | ການລ້ຽງດູພືດມີການຄັດເລືອກຜ່ານການກະທຳຂອງມະນຸດຕໍ່ຊຸດຂອງລັກສະນະທີ່ຖືກເອີ້ນຮ່ວມກັນວ່າ ລະບົບຄວາມເປັນພືດລ້ຽງ. ການຖົກຖຽງທີ່ກຳລັງເກີດຂຶ້ນໃນປັດຈຸບັນກ່ຽວຂ້ອງກັບຄວາມໄວທີ່ພືດລ້ຽງເກີດຂຶ້ນຈາກກຸ່ມພືດທີ່ຖືກປູກຈາກພືດປ່າ ແລະ ຈຳນວນຢີນທີ່ກ່ຽວຂ້ອງ. ນີ້ພວກເຮົານຳສະເໜີການຈຳລອງທີ່ທົດສອບວ່າຈຳນວນຢີນທີ່ກ່ຽວຂ້ອງໄດ້ແນວໃດໂດຍພິຈາລະນາຄ່າໃຊ້ຈ່າຍຂອງການຄ... | lo |
Reinforcement learning (RL) is a popular paradigm for addressing sequential decision tasks in which the agent has only limited environmental feedback. Despite many advances over the past three decades, learning in many domains still requires a large amount of interaction with the environment, which can be prohibitively... | Zesilující učení (reinforcement learning, RL) je populární paradigma pro řešení sekvenčních rozhodovacích úloh, ve kterých agent disponuje pouze omezenou zpětnou vazbou od prostředí. Navzdory mnoha pokrokům během uplynulých tří desetiletí stále v mnoha oblastech vyžaduje učení velké množství interakcí s prostředím, což... | cs |
Rapid progress in nonlinear plasmonic metasurfaces enabled many novel optical characteristics for metasurfaces, with potential applications in frequency metrology, timing characterization and quantum information. However, the spectrum of nonlinear optical response was typically based upon the linear optical resonance. ... | ភាពវឌ្ឍន៍យ៉ាងរហ័សនៅក្នុងផ្ទៃមេតាសូភ្លើប៊ែលប្លាសម៉ូនីលីនេអ៊ែរបានធ្វើឱ្យមានលក្ខណៈប្រភេទថ្មីៗជាច្រើនសម្រាប់ផ្ទៃមេតាសូភ្លើប៊ែល ដែលមានការអនុវត្តសក្ដានុពលនៅក្នុងការវាស់វែងប្រេកង់ ការចាត់ថ្នាក់ពេលវេលា និងព័ត៌មានប៉ាតង់។ ទោះជាយ៉ាងណា វិសាលភាពប្រតិកម្មប្រភេទថ្មីបានផ្អែកលើការបើកចំហរប្រភេទធម្មតា។ ក្នុងការសិក្សានេ... | km |
There is a growing trend in studying deep hashing methods for content-based image retrieval (CBIR), where hash functions and binary codes are learnt using deep convolutional neural networks and then the binary codes can be used to do approximate nearest neighbor (ANN) search. All the existing deep hashing papers report... | বিষয়বস্তু-ভিত্তিক ছবি অনুসন্ধান (সিবিআইআর)-এর জন্য গভীর হ্যাশিং পদ্ধতি নিয়ে অধ্যয়নের একটি বৃদ্ধি পাওয়া প্রবণতা রয়েছে, যেখানে হ্যাশ ফাংশন এবং বাইনারি কোডগুলি গভীর কনভোলিউশনাল নিউরাল নেটওয়ার্ক ব্যবহার করে শেখানো হয় এবং তারপর বাইনারি কোডগুলি আনুমানিক সর্বনিকটতম প্রতিবেশী (এএনএন) অনুসন্ধানের জন্য ব্যবহার করা হয়। বি... | bn |
We use current observations on the number statistics of gravitationally lensed optical arcs towards galaxy clusters to derive an upper limit on the cosmological mass density of the Universe. The gravitational lensing statistics due to foreground clusters combine properties of both cluster evolution, which is sensitive ... | Využíváme současných pozorování počtové statistiky gravitačně čočkovaných optických oblouků u hvězdokup k určení horní meze kosmologické hustoty hmoty ve vesmíru. Statistika gravitačního čočkování způsobeného předními hvězdokupami kombinuje vlastnosti vývoje hvězdokup, který je citlivý na hustotu hmoty, a změny objemu,... | cs |
This paper presents a manifold based Unscented Kalman Filter that applies a novel strategy for inertial, model-aiding and Acoustic Doppler Current Profiler (ADCP) measurement incorporation. The filter is capable of observing and utilizing the Earth rotation for heading estimation with a tactical grade IMU, and utilizes... | บทความนี้เสนอตัวกรองคัลแมนแบบไม่เป็นเชิงเส้นที่อิงจากแมนิโฟลด์ ซึ่งใช้กลยุทธ์ใหม่ในการรวมข้อมูลการวัดจากอุปกรณ์นำทางเชิงเฉื่อย ข้อมูลช่วยจากแบบจำลอง และข้อมูลจากเครื่องวัดความเร็วแบบอะคูสติกโดปเพลอร์ (Acoustic Doppler Current Profiler - ADCP) ตัวกรองดังกล่าวสามารถสังเกตและใช้ประโยชน์จากการหมุนของโลกเพื่อประมาณค่าทิศทาง... | th |
Following Riley's work, for each 2-bridge link $K(r)$ of slope $r\in\QQ$ and an integer or a half-integer $n$ greater than 1, we introduce the {\it Heckoid orbifold $\orbs(r;n)$} and the {\it Heckoid group $\Hecke(r;n)=\pi_1(\orbs(r;n))$ of index $n$ for $K(r)$}. When $n$ is an integer, $\orbs(r;n)$ is called an {\it e... | Riley'nin çalışmasından sonra, eğimi $r\in\QQ$ olan her 2-şeker bağlantısı $K(r)$ ve 1'den büyük bir tam sayı ya da yarı tam sayı $n$ için, $K(r)$ için {\it indeksi $n$ olan Heckoid orbifoldu $\orbs(r;n)$} ve {\it Heckoid grubu $\Hecke(r;n)=\pi_1(\orbs(r;n))$} kavramlarını tanıttık. $n$ bir tam sayı olduğunda, $\orbs(r... | tr |
The Doppler dipole signal dominates the cosmic microwave background (CMB) anisotropy maps obtained by the Wilkinson Microwave Anisotropy Probe (WMAP) mission, and plays a key role throughout the data processing. Previously, we discovered a timing asynchronism of -25.6ms between the timestamps of the spacecraft attitude... | Tín hiệu lưỡng cực Doppler chi phối các bản đồ dị hướng bức xạ nền vi sóng vũ trụ (CMB) thu được từ sứ mệnh Wilkinson Microwave Anisotropy Probe (WMAP), và đóng vai trò then chốt trong toàn bộ quá trình xử lý dữ liệu. Trước đây, chúng tôi đã phát hiện ra một sự mất đồng bộ thời gian -25,6ms giữa các dấu thời gian của t... | vi |
A growing number of learning methods are actually differentiable games whose players optimise multiple, interdependent objectives in parallel -- from GANs and intrinsic curiosity to multi-agent RL. Opponent shaping is a powerful approach to improve learning dynamics in these games, accounting for player influence on ot... | 越来越多的学习方法实际上是可微分博弈，其中参与者并行地优化多个相互依赖的目标——从生成对抗网络（GANs）和内在好奇心到多智能体强化学习均是如此。对手塑造是一种强大的方法，能够通过考虑参与者对其它参与者更新的影响，从而改善这些博弈中的学习动态。具有对手学习感知的学习算法（LOLA）是一种近期提出的算法，它利用了这种响应机制，并在诸如重复囚徒困境等场景中促成了合作行为。尽管LOLA在实验上取得了成功，但我们发现LOLA智能体可能表现出直接阻碍收敛的“傲慢”行为。事实上，极少有算法能在所有（n人、非凸）博弈中具备理论上的收敛保证。本文提出了一种名为稳定对手塑造（SOS）的新方法，该方法在LOLA与一种称为LookAhead的稳定变体之间... | zh |
We present a study of analytic models of starless cores whose line profiles have ``infall asymmetry,'' or blue-skewed shapes indicative of contracting motions. We compare the ability of two types of analytical radiative transfer models to reproduce the line profiles and infall speeds of centrally condensed starless cor... | Apresentamos um estudo de modelos analíticos de núcleos sem estrelas cujos perfis de linha apresentam "assimetria de infall", ou formas inclinadas para o azul indicativas de movimentos contráteis. Comparamos a capacidade de dois tipos de modelos analíticos de transferência radiativa em reproduzir os perfis de linha e a... | pt |
Well-sampled optical lightcurves of 146 gamma-ray bursts (GRBs) are complied from the literature. Multiple optical emission components are extracted with power-law function fits to these lightcurves. We present a systematical analysis for statistical properties and their relations to prompt gamma-ray emission and X-ray... | យើងបានប្រមូលផ្តុំពន្លឺដែលបានសង្កេតយ៉ាងល្អសម្រាប់ព្រឹត្តិការណ៍ផ្កាយហោះចេញពីកាំរស្មីហ្គាម៉ាចំនួន 146 (GRBs) ពីអត្ថបទដែលមានស្រាប់។ យើងបានដកយកគ្រឿងបង្ហាញពន្លឺជាច្រើនដោយប្រើអនុគមន៍ដុំថាមពល ដើម្បីធ្វើការត្រួតពិនិត្យលើកំណត់ត្រាទាំងនោះ។ យើងបានធ្វើការវិភាគប្រព័ន្ធសម្រាប់លក្ខណៈស្ថិតិ និងទំនាក់ទំនងរបស់វាទៅនឹងកាំរស្មីហ្គាម៉ាដំបូង ... | km |
Ship detection in aerial images remains an active yet challenging task due to arbitrary object orientation and complex background from a bird's-eye perspective. Most of the existing methods rely on angular prediction or predefined anchor boxes, making these methods highly sensitive to unstable angular regression and ex... | လေကြောင်းမှ ရရှိသော ဓာတ်ပုံများတွင် သင်္ဘောများကို စိစစ်ရှာဖွေခြင်းသည် အရာဝတ္ထုများ၏ လွတ်လပ်သော ဦးတည်မှုနှင့် ငှက်မျက်နှာပြင်မှ ရရှိသည့် ရှုပ်ထွေးသော နောက်ခံများကြောင့် လက်ရှိအချိန်တွင် ဆက်လက်လုပ်ဆောင်နေသော်လည်း စိန်ခေါ်မှုများစွာ ရှိနေဆဲဖြစ်သည်။ လက်ရှိရှိသည့် နည်းလမ်းအများစုသည် ထောင့်ပိုင်း ခန့်မှန်းခြင်း (angular pre... | my |
Recent observation of supernovae type Ia show clearly that there is a large scale repulsive force in the Universe. Neither of the four known fundamental interactions can account for this repulsive force. Gravity is known to be the interaction responsible for the large scale structure and evolution of the Universe. The ... | ការសង្កេតថ្មីៗលើផ្កាយហ៊្វង់ប្រភេទ Ia បានបង្ហាញយ៉ាងច្បាស់ថាមានកំលាំងដែលបណ្តេញចោលគ្នានៅកម្រិតធំនៅក្នុងចក្រវាឡ។ មិនមានអន្តរកម្មមូលដ្ឋានទាំងបួនដែលយើងស្គាល់អាចពន្យល់បាននូវកំលាងបណ្តេញចោលគ្នានេះទេ។ យើងស្គាល់ថាកំលាំងទំនាញគឺជាអន្តរកម្មដែលទទួលខុសត្រូវចំពោះរចនាសម្ព័ន្ធនិងដំណើរ... | km |
We discuss the prospects for detecting supersymmetric particles in variants of the minimal supersymmetric extension of the Standard Model (MSSM), in light of laboratory and cosmological constraints. We first assume that the lightest supersymmetric particle (LSP) is the lightest neutralino chi, and present scatter plots... | Diskutujeme o možnostech detekce supersymetrických částic v rámci variant minimálního supersymetrického rozšíření standardního modelu (MSSM) s ohledem na laboratorní a kosmologické omezení. Nejprve předpokládáme, že nejlehčí supersymetrickou částicí (LSP) je nejlehčí neutrální částice chi, a prezentujeme bodové grafy h... | cs |
Deep neural networks (DNN) have achieved great success in the recommender systems (RS) domain. However, to achieve remarkable performance, DNN-based recommender models often require numerous parameters, which inevitably bring redundant neurons and weights, a phenomenon referred to as over-parameterization. In this pape... | ເຄືອຂ່າຍປານໃຕ້ເລິກ (DNN) ໄດ້ບັນລຸຜົນສຳເລັດຢ່າງໃຫຍ່ຫຼວງໃນດ້ານລະບົບແນະນຳ (RS). ແຕ່ຢ່າງໃດກໍຕາມ, ເພື່ອບັນລຸຜົນງານທີ່ດີເດັ່ນ, ລຸ້ນ DNN ທີ່ໃຊ້ໃນລະບົບແນະນຳມັກຈະຕ້ອງການພາລາມິເຕີຈຳນວນຫຼວງຫຼາຍ, ເຊິ່ງເຮັດໃຫ້ເກີດເສັ້ນປະສາດ ແລະ ນ້ຳໜັກທີ່ຊ້ຳຊ້ອນ, ເປັນເຟື້ອນການທີ່ເອີ້ນວ່າ "ການມີພາລາມິເຕີຫຼາຍເກີນໄປ" (over-parameterization). ໃນບົດຄວາມນ... | lo |
Swift discovered GRB 050713A and slewed promptly to begin observing with its narrow field instruments 72.6 seconds after the burst onset, while the prompt gamma-ray emission was still detectable in the BAT. Simultaneous emission from two flares is detected in the BAT and XRT. This burst marks just the second time that ... | Swift a découvert le GRB 050713A et s'est réorienté rapidement pour commencer l'observation avec ses instruments à champ étroit 72,6 secondes après le début du sursaut, alors que l'émission gamma prompte était encore détectable dans le BAT. Une émission simultanée provenant de deux sursauts est détectée dans le BAT et ... | fr |
The routing and wavelength assignment with protection is an important problem in telecommunications. Given an optical network and incoming connection requests, a commonly studied variant of the problem aims to grant maximum number of requests by assigning lightpaths at minimum network resource usage level, while ensuri... | Die Routing- und Wellenlängenzuweisung mit Schutz ist ein wichtiges Problem in der Telekommunikation. Gegeben ein optisches Netzwerk und eingehende Verbindungsanfragen, zielt eine häufig untersuchte Variante des Problems darauf ab, eine maximale Anzahl von Anfragen zu realisieren, indem Lichtpfade mit minimalem Ressour... | de |
Recently, researchers proposed various low-precision gradient compression, for efficient communication in large-scale distributed optimization. Based on these work, we try to reduce the communication complexity from a new direction. We pursue an ideal bijective mapping between two spaces of gradient distribution, so th... | 最近、大規模分散最適化における効率的な通信のために、研究者らはさまざまな低精度勾配圧縮手法を提案した。これらの研究を基に、我々は通信複雑性を新たな方向から削減することを試みる。具体的には、勾配分布の二つの空間の間に理想的な全単射写像を追求し、圧縮後の勾配がより大きな情報エントロピーを持つようにする。我々の設定では、すべてのサーバーが事前に参照勾配を共有しており、現在の勾配と参照勾配との差分または商として得られる正規化勾配を介して通信を行う。より高い信号対雑音比をもたらす参照ベクトルを各反復で動的に得るために、過去の軌道から情報を後知恵的に抽出・融合し、圧縮に最適な参照を探索する。我々はこれを軌道に基づく正規化勾配（TNG）と呼ぶ。T... | ja |
In computer vision, superpixels have been widely used as an effective way to reduce the number of image primitives for subsequent processing. But only a few attempts have been made to incorporate them into deep neural networks. One main reason is that the standard convolution operation is defined on regular grids and b... | В компьютерном зрении суперпиксели широко использовались как эффективный способ уменьшения количества примитивов изображения для последующей обработки. Однако лишь немногие попытки были предприняты для их интеграции в глубокие нейронные сети. Одна из основных причин заключается в том, что стандартная операция свёртки о... | ru |
Neutrino-dominated accretion flows (NDAFs) around rotating stellar-mass black holes (BHs) have been theorized as the central engine of relativistic jets launched in massive star core collapse events or compact star mergers. In this work, we calculate the electron neutrino/anti-neutrino spectra of NDAFs by fully taking ... | ການໄຫຼຂອງອິນທະລີນິໂຕຣນໂດດເດັ່ນ (NDAFs) ລ້ອມຮອບຮູດຳມະສາດດາວ (BHs) ທີ່ກຳລັງຫມຸນ ໄດ້ຖືກທໍລະນີຕິກັນວ່າເປັນເຄື່ອງຈັກກາງທີ່ເຮັດໃຫ້ເກີດເປັນເຈັດສຳພັດສາຍສຳພັດທີ່ຖືກຍິງອອກຈາກເຫດການຫຍຸ້ງຍາດຂອງຫົວໃຈດາວມະສາດໃຫຍ່ ຫຼື ການລວມຕົວຂອງດາວທີ່ແອອັດ. ໃນວຽກງານນີ້, ພວກເຮົາຄິດໄລ່ສະເປັກຕຼັມນິໂຕຣນ/ອາຕິ-ນິໂຕຣນອິເລັກຕອນຂອງ NDAFs ໂດຍພິຈາລະນາຜົນກະທົບ... | lo |
The dynamical response of an Ising ferromagnet to a plane polarised standing magnetic field wave is modelled and studied here by Monte Carlo simulation in two dimensions. The amplitude of standing magnetic wave is modulated along the direction x. We have detected two main dynamical phases namely, pinned and oscillating... | يتم نمذجة ودراسة الاستجابة الديناميكية لمغناطيس حديدي من نوع إيسينغ لتموج مغناطيسي واقف مستوٍ مستقطب باستخدام محاكاة مونت كارلو في بعدين. يتم تعديل سعة التموج المغناطيسي الواقف على امتداد الاتجاه x. وقد تم الكشف عن مرحلتين ديناميكيتين رئيسيتين هما: تجمعات لحظات مغناطيسية مثبتة وتجمعات لحظات مغناطيسية متذبذبة. وحسب قيمة... | ar |
Poisson Voronoi tessellations have been used in modeling many types of systems across different sciences, from geography and astronomy to telecommunications. The existing literature on the statistical properties of Poisson Voronoi cells is vast, however, little is known about the properties of Voronoi cells located clo... | ការបំបែកប៉ូអ៊ីស៊ើន វ៉ូរ៉ូណូយ (Poisson Voronoi tessellations) ត្រូវបានប្រើក្នុងការគំរូប្រព័ន្ធច្រើនប្រភេទនៅក្នុងវិទ្យាសាស្ត្រផ្សេងៗ ចាប់ពីភូមិសាស្ត្រ និងតារាសាស្ត្រ រហូតដល់ទូរគមនាគមន៍។ ប្រសាសន៍ស្រាវជ្រាវដែលមានស្រាប់អំពីលក្ខណៈស្ថិតិនៃកោសិកាវ៉ូរ៉ូណូយប៉ូអ៊ីស៊ើនគឺមានច្រើនសន្ធឹកសន្ធាប់ ទោះជាយ៉ាងណាក៏ដោយ ក៏មានការស្គាល់តិចតួចណា... | km |
Natural populations often show enhanced genetic drift consistent with a strong skew in their offspring number distribution. The skew arises because the variability of family sizes is either inherently strong or amplified by population expansions, leading to so-called `jackpot' events. The resulting allele frequency flu... | 自然种群常常表现出增强的遗传漂变，这与后代数量分布的高度偏斜一致。这种偏斜源于家族大小的变异性本身较强，或因种群扩张而被放大，从而导致所谓的“ jackpot”事件。由此产生的等位基因频率波动较大，因而对标准的群体遗传学模型提出了挑战，因为这些模型假设后代分布足够集中。虽然可以通过溯祖方法方便地分析时间倒向的中性动力学，但我们对广泛后代分布正向时间动力学的影响仍知之甚少，尤其是在存在选择的情况下。本文采用精确的渐近分析结合标度假设，证明了过度离散的频率轨迹源于传统力量（如选择或突变）与一种针对稀有等位基因的、随时间变化的抽样偏差之间的竞争。这种抽样偏差源自每种等位类型中最大抽样家族大小所具有的特征性时间依赖性。基于这一认识，我们建立... | zh |
Let $G$ be a connected semisimple group over ${\Bbb Q}$. Given a maximal compact subgroup $K\subset G({\Bbb R})$ such that $X=G({\Bbb R})/K$ is a Hermitian symmetric domain, and a convenient arithmetic subgroup $\Gamma\subset G({\Bbb Q})$, one constructs a (connected) Shimura variety $S=S(\Gamma)=\Gamma\backslash X$. I... | ধরা যাক, $G$ হল ${\Bbb Q}$-এর উপর একটি সংযুক্ত অর্ধসরল গ্রুপ। একটি সর্বোচ্চ সংকুচিত উপগ্রুপ $K\subset G({\Bbb R})$ দেওয়া হল যাতে $X=G({\Bbb R})/K$ একটি হার্মিটিয়ান প্রতিসাম্য ডোমেন হয়, এবং একটি উপযুক্ত সংখ্যাতাত্ত্বিক উপগ্রুপ $\Gamma\subset G({\Bbb Q})$, একটি (সংযুক্ত) শিমুরা বহুভুজ $S=S(\Gamma)=\Gamma\backslash X$ ... | bn |
An integer polynomial $p$ of $n$ variables is called a \emph{threshold gate} for a Boolean function $f$ of $n$ variables if for all $x \in \zoon$ $f(x)=1$ if and only if $p(x)\geq 0$. The \emph{weight} of a threshold gate is the sum of its absolute values. In this paper we study how large a weight might be needed if ... | พหุนามจำนวนเต็ม \( p \) ของตัวแปร \( n \) ตัวเรียกว่า \emph{เกตขีดจำกัด} (threshold gate) สำหรับฟังก์ชันบูลีน \( f \) ของตัวแปร \( n \) ตัว ถ้าสำหรับทุก \( x \in \{0,1\}^n \) จะได้ว่า \( f(x)=1 \) ก็ต่อเมื่อ \( p(x)\geq 0 \) \emph{น้ำหนัก} ของเกตขีดจำกัดคือผลรวมของค่าสัมบูรณ์ของสัมประสิทธิ์ทั้งหมด ในงานวิจัยนี้ เราศึก... | th |
Swift discovered GRB 050713A and slewed promptly to begin observing with its narrow field instruments 72.6 seconds after the burst onset, while the prompt gamma-ray emission was still detectable in the BAT. Simultaneous emission from two flares is detected in the BAT and XRT. This burst marks just the second time that ... | Swift entdeckte GRB 050713A und richtete seine engwinkligen Instrumente 72,6 Sekunden nach Beginn des Ausbruchs prompt aus, während die anfängliche Gammastrahlung noch im BAT nachweisbar war. Gleichzeitige Emission aus zwei Flares wurde im BAT und XRT detektiert. Dieser Ausbruch stellt erst den zweiten Fall dar, bei de... | de |
To bridge the gap between the capabilities of the state-of-the-art in factoid question answering (QA) and what users ask, we need large datasets of real user questions that capture the various question phenomena users are interested in, and the diverse ways in which these questions are formulated. We introduce ComQA, a... | حقیقت پر مبنی سوالات کے جواب دینے (QA) کی موجودہ صلاحیتوں اور صارفین کے سوالات کے درمیان فرق کو پُر کرنے کے لیے، ہمیں حقیقی صارفین کے سوالات کے بڑے ڈیٹا سیٹ کی ضرورت ہے جو ان مختلف سوالاتی پہلوؤں کو ظاہر کریں جن میں صارفین دلچسپی رکھتے ہیں، اور ان سوالات کے مختلف اظہار کو بھی ظاہر کریں۔ ہم کوم کیو اے (ComQA) متعارف کرا... | ur |
The Broensted and Lowry acid base theory is based on the capacity of proton donation or acceptance (in the presence or absence of a solvent) whereas the Lewis acid base theory is based on the propensity of electron pair acceptance or donation. We explore through DFT calculation the obvious question whether these two th... | ဘရုန်စတက်နှင့် လော်ရီ အက်ဆစ်-အခြေသီအိုရီသည် ပရိုတွန်ပေးအပ်ခြင်း သို့မဟုတ် လက်ခံခြင်းစွမ်းရည် ( solvent ရှိခြင်း သို့မဟုတ် မရှိခြင်းအခြေအနေများတွင်) ကို အခြေခံသည်။ လျူးဝစ် အက်ဆစ်-အခြေသီအိုရီမှာမူ အီလက်ထရွန်အတွဲ လက်ခံခြင်း သို့မဟုတ် ပေးအပ်ခြင်း၏ စွဲလမ်းမှုကို အခြေခံသည်။ ဤသီအိုရီနှစ်ခုသည် တစ်ခုနှင့်တစ်ခု ကိုက်ညီမှုရှိမရှိ... | my |
To interact seamlessly with robots, users must infer the causes of a robot's behavior and be confident about that inference. Hence, trust is a necessary condition for human-robot collaboration (HRC). Despite its crucial role, it is largely unknown how trust emerges, develops, and supports human interactions with nonhum... | روبوٹس کے ساتھ بے دریغ تعامل کے لیے، صارفین کو روبوٹ کے رویے کی وجوہات کا اندازہ لگانا چاہیے اور اس اندازے کے بارے میں یقین رکھنا چاہیے۔ لہٰذا، انسان اور روبوٹ کے تعاون (ایچ آر سی) کے لیے اعتماد ایک ضروری شرط ہے۔ اس کے اہم کردار کے باوجود، یہ زیادہ تر نامعلوم ہے کہ اعتماد کیسے وجود میں آتا ہے، کیسے ترقی کرتا ہے، اور ان... | ur |
We propose a new Dark Energy parametrization based on the dynamics of a scalar field. We use an equation of state $w=(x-1)/(x+1)$, with $x=E_k/V$, the ratio of kinetic energy $E_k=\dot\phi^2/2$ and potential $V$. The eq. of motion gives $x=(L/6)(V/3H^2)$ and with a solution $x=([1+2 L/3(1+y)]^{1/2}-1)(1+y)/2$ where $y\... | 我们提出一种基于标量场动力学的新型暗能量参数化方法。我们采用状态方程 $w=(x-1)/(x+1)$，其中 $x=E_k/V$，$E_k=\dot\phi^2/2$ 为动能，$V$ 为势能。运动方程给出 $x=(L/6)(V/3H^2)$，其解为 $x=([1+2 L/3(1+y)]^{1/2}-1)(1+y)/2$，其中 $y\equiv \dot V/V$，$L\equiv (V'/V)^2 (1+q)^2$，$q\equiv\ddot\phi/V'$。由于当前宇宙处于加速膨胀状态，我们采用缓变近似，在此情况下有 $|q|\ll 1$，且 $L\simeq (V'/V)^2$。然而，$L$ 的推导是精确的，不依赖任何近似。通过为... | zh |
We present a study of analytic models of starless cores whose line profiles have ``infall asymmetry,'' or blue-skewed shapes indicative of contracting motions. We compare the ability of two types of analytical radiative transfer models to reproduce the line profiles and infall speeds of centrally condensed starless cor... | Presentamos un estudio de modelos analíticos de núcleos sin estrellas cuyos perfiles de línea presentan «asimetría por acreción», o formas inclinadas hacia el azul indicativas de movimientos de contracción. Comparamos la capacidad de dos tipos de modelos analíticos de transferencia radiativa para reproducir los perfile... | es |
A simple one-dimensional model for SNS weak links in the ballistic limit is presented. In the presence of a bias voltage, the quasiparticle state at any given instant of time is described as a superposition of that particular set of phase-dependent Andreev bound states that belongs to the specific phase difference pres... | បានណែនាំម៉ូដែលមួយវិមាត្រសាមញ្ញសម្រាប់តំណភ្ជាប់ខ្សោយ SNS ក្នុងដែនកំណត់បាលីស្ទិក។ ក្នុងករណីមានវ៉ុលធាតុបន្ថែម ស្ថានភាព quasiparticle នៅពេលណាមួយត្រូវបានពិពណ៌នាថាជាផលបូករបស់សំណុំជាក់លាក់មួយនៃស្ថានភាព Andreev ដែលពឹងផ្អែកលើដំណាក់កាល ដែលស្ថិតនៅក្នុងភាពខុសគ្នានៃដំណាក់កាលជាក់លាក់មួយរវាងធនាគារអ៊ីសូអេឡិចត្រិច។ ការព្យាបាលនេះ ដែលជាទ... | km |
Let G be a reductive algebraic group and H a closed subgroup of G. An affine embedding of the homogeneous space G/H is an affine G-variety with an open G-orbit isomorphic to G/H. We start with some basic properties of affine embeddings and consider the cases, where the theory is well-developed: toric varieties, normal ... | អោយ G ជាក្រុមពីជគណិតបន្ថយ និង H ជាក្រុមរងបិទនៃ G។ ការដាក់បញ្ចូលលក្ខណៈអាហ្វិននៃលំហស្មើគ្នា G/H គឺជាប្រភេទអាហ្វិន G ដែលមាន G-វិសាលភាពបើកដែលស្មើគ្នាទៅនឹង G/H។ យើងចាប់ផ្តើមជាមួយនឹងលក្ខណៈមូលដ្ឋានខ្លះនៃការដាក់បញ្ចូលលក្ខណៈអាហ្វិន ហើយពិចារណាករណី ដែលទ្រឹស្តីនេះត្រូវបានអភិវឌ្ឍយ៉ាងល្អ៖ ប្រភេទត័រីក៍ ប្រភេទ SL(2) ដែលមានលក្ខណៈធម្មតា... | km |
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