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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... | 我们获得了引力透镜类星体Q1422+231的极高信噪比、高分辨率光谱，以研究星系际介质（IGM）的金属丰度。我们确定了CIV的柱密度分布函数（CDDF），其可由指数为1.44 ± 0.05的幂律函数很好地拟合。在对不完备性进行校正后，我们发现CDDF在log N(CIV) = 11.75处仍符合幂律分布，比此前确定的灵敏度高十倍。为了确定CIV丰度是否延伸至更低柱密度的HI云中，我们发现对单个像素光学深度的分析比叠加技术更为稳健。我们将该光学深度方法所得结果与采用不同CIV丰度模型的模拟光谱分析结果进行了比较。根据这些模拟，我们得出结论：要重现从数据中确定的光学深度，所需CIV含量超过了目前在Q1422+231中直接探测到的量，这与... | zh |
Measurement-based quantum computation is a framework of quantum computation, where entanglement is used as a resource and local measurements on qubits are used to drive the computation. It originates from the one-way quantum computer of Raussendorf and Briegel, who introduced the so-called cluster state as the underlyi... | পরিমাপ-ভিত্তিক কোয়ান্টাম কম্পিউটেশন কোয়ান্টাম কম্পিউটেশনের একটি কাঠামো, যেখানে জটিলতা (entanglement) একটি সম্পদ হিসাবে ব্যবহৃত হয় এবং কিউবিটগুলির স্থানীয় পরিমাপগুলি কম্পিউটেশন চালানোর জন্য ব্যবহৃত হয়। এটি রাউসেনডরফ ও ব্রিগেলের এক-পথ কোয়ান্টাম কম্পিউটার থেকে উৎপন্ন হয়েছে, যারা জটিল সম্পদ অবস্থার ভিত্তি হিসাবে একট... | bn |
Relativistic shocks are one of the most plausible sites of the emission of strongly variable, polarized multi-wavelength emission from relativistic jet sources such as blazars, via diffusive shock acceleration (DSA) of relativistic particles. This paper summarizes recent results on a self-consistent coupling of diffusi... | နှိမ့်ချခံရသော ရိုက်ခတ်မှုများသည် ဘလေဇာများကဲ့သို့သော နှိမ့်ချခံရသည့် ဂျက်အရင်းအမြစ်များမှ ပြင်းထန်စွာ ပြောင်းလဲသည့်၊ သံလိုက်ဝန်းရံမှုရှိသော အလင်းရောင်မျိုးစုံ ထုတ်လွှတ်မှုကို နှိမ့်ချခံရသော အမှုန်များ၏ ပျံ့နှံ့သော ရိုက်ခတ်မှု တိုးမြှင့်မှု (DSA) ကနေတစ်ဆင့် ထုတ်လွှတ်သည့် နေရာများအနက် တစ်ခုအဖြစ် အလားအလာရှိသည်။ ဤစာတမ်းသည... | my |
We present a comprehensive spectroscopic imaging survey of the distribution and kinematics of atomic hydrogen (HI) in 16 nearby spiral galaxies hosting low luminosity AGN, observed with high spectral and spatial resolution (resolution: ~20 arcsec, 5 km/s) using the NRAO Very Large Array (VLA). The sample contains a ran... | Біз НАРҚ-ның Үлкен Массивын (VLA) қолданып (бұрыштық шешімділік: ~20 арксек, жылдамдық шешімділігі: 5 км/с), жарықтылығы төмен АЯЯ-ның 16 жақын орналасқан спиральді галактикаларындағы атомдық сутегінің (HI) таралуы мен кинематикасын кеңінен қамтитын спектрлік бейне алу зерттеуін ұсынамыз. Таңдама Сейферт ядросынан баст... | kk |
Scientific research is a continuous process, and the speed of future progress can be estimated by the pace of finding explanations for previous research questions. In this observers based view of stellar pulsation and asteroseismology, we start with the earliest observations of variable stars and the techniques used to... | 과학 연구는 지속적인 과정이며, 향후 진전 속도는 이전 연구 질문들에 대한 설명을 찾는 속도로 추정할 수 있다. 항성 맥동과 항성진동학에 대한 관측자 중심의 관점에서 우리는 변광성에 대한 최초의 관측과 이를 관측하기 위해 사용된 기술들로부터 시작한다. 최초의 변광성들은 진폭이 큰 방사형 맥동 별들이었으나, 이후 다른 종류의 맥동성들이 계속 발견되었다. 이 분야가 성숙함에 따라 우리는 관측 기술의 변화에 초점을 맞추어 맥동성 연구의 몇 가지 주요 이정표들을 개관한다. 사진 촬영에서 광도 측정, CCD, 그리고 우주 망원경으로의 발전을 통해 연구자들은 광도 변화를 보이는... | ko |
We propose to develop a high-energy heavy-ion experimental database and make it accessible to the scientific community through an on-line interace. This database will be searchable and cross-indexed with relevant publications, including published detector descriptions. Since this database will be a community resource, ... | نقترح تطوير قاعدة بيانات تجريبية للإيونات الثقيلة ذات الطاقة العالية وجعلها متاحة للمجتمع العلمي من خلال واجهة إلكترونية. ستكون هذه القاعدة قابلة للبحث ومرتبطة بشكل متقاطع بالمنشورات ذات الصلة، بما في ذلك وصفات الكاشفة المنشورة. وبما أن هذه القاعدة تمثل مورداً مجتمعياً، فإنها تتطلب دعماً مالياً وبدنياً من مجتمع فيزياء ... | ar |
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... | 我们将从LDS和HIPASS巡天中提取的致密高速中性氢云（CHVC）星表进行合并，并分析该整体样本的全天特性。我们为CHVC总体定义了五个主要可观测量：（1）天体在天空中的空间分布，（2）运动学分布，（3）观测到的中性氢柱密度的数目分布，（4）角尺寸的数目分布，以及（5）中性氢谱线宽度的数目分布。我们考虑了两类模型以重现观测特性。通过以与观测灵敏度一致的方式从模拟中提取相同的可观测量，并明确考虑银河系遮挡效应，来评估模型与数据的符合程度。我们发现，若将CHVC视为在本星系群引力势中演化的暗物质晕的中性氢对应体，则此类模型能很好地匹配所有可观测量。最符合的总体具有约10^7倍太阳质量的最大中性氢质量，中性氢质量分布的幂律指数在-1.7... | zh |
A recent publication provides the network graph for a neocortical microcircuit comprising 8 million connections between 31,000 neurons (H. Markram, et al., Reconstruction and simulation of neocortical microcircuitry, Cell, 163 (2015) no. 2, 456-492). Since traditional graph-theoretical methods may not be sufficient to ... | Una publicación reciente proporciona el grafo de red para un microcircuito neocortical que comprende 8 millones de conexiones entre 31.000 neuronas (H. Markram et al., Reconstrucción y simulación de la microcircuitría neocortical, Cell, 163 (2015) n.º 2, 456-492). Dado que los métodos tradicionales de teoría de grafos ... | es |
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... | আমরা আকাশগঙ্গার তলের $l=27$\arcdeg অবস্থানে 58টি তারার আলোক বর্ণালীবিদ্যার একটি বিশ্লেষণ উপস্থাপন করছি, যেখানে বিভিন্ন আলোক বর্ণালী অঞ্চলে, বিশেষ করে টু মাইক্রন গ্যালাকটিক সার্ভে (TMGS) ক্যাটালগে, ফ্লাক্স বন্টন এবং তারা গণনায় একটি সুস্পষ্ট অতিরিক্ততা লক্ষ্য করা গেছে। TMGS থেকে উৎসগুলি নির্বাচন করা হয়েছিল যাদের $K$ মা... | bn |
Scientific research is a continuous process, and the speed of future progress can be estimated by the pace of finding explanations for previous research questions. In this observers based view of stellar pulsation and asteroseismology, we start with the earliest observations of variable stars and the techniques used to... | Penelitian ilmiah merupakan proses yang berkelanjutan, dan kecepatan kemajuan di masa depan dapat diperkirakan dari laju penemuan penjelasan atas pertanyaan penelitian sebelumnya. Dalam pandangan berbasis pengamat terhadap getaran bintang dan asteroseismologi ini, kami memulai dengan pengamatan paling awal terhadap bin... | id |
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$\... | Uma discussão crítica sobre o estado atual dos experimentos do CERN sobre a dinâmica do charme e o fluxo coletivo de hádrons é apresentada. Enfatizamos a importância da função de excitação do fluxo entre 1 e 50 A$\cdot$GeV: aqui, o modelo hidrodinâmico previu o colapso do fluxo $v_1$ e do fluxo $v_2$ em $\sim 10$ A$\cd... | pt |
The recently-discovered stellar system in Canis Major is analysed using He-burning Red Clump stars as tracers. Canis Major turns out to be the strongest and most spatially confined overdensity of the whole Galactic Disc, both in terms of number density and of statistical significance. When projected onto the Galactic P... | ລະບົບດາວທີ່ຖືກຄົ້ນພົບໃໝ່ໃນກຸ່ມດາວ Canis Major ໄດ້ຖືກວິເຄາະໂດຍໃຊ້ດາວ Red Clump ທີ່ເຜົາໄໝ້ຮັງສີ He ເປັນຕົວຕິດຕາມ. Canis Major ພົບວ່າເປັນບັນດາພື້ນທີ່ທີ່ມີຄວາມໜາແໜ້ນເກີນໄປ (overdensity) ທີ່ເຂັ້ມແຂງທີ່ສຸດ ແລະ ມີຂອບເຂດໃນອະວະກາດທີ່ຊັດເຈນທີ່ສຸດໃນທຸກພື້ນທີ່ຈານຂອງກາແລັກຊີ ທັງໃນດ້ານຄວາມໜາແໜ້ນຂອງຈຳນວນ ແລະ ຄວາມໝາຍທາງສະຖິຕິ. ເມື່ອຖື... | lo |
Source code (Context) and its parsed abstract syntax tree (AST; Structure) are two complementary representations of the same computer program. Traditionally, designers of machine learning models have relied predominantly either on Structure or Context. We propose a new model, which jointly learns on Context and Structu... | លេខកូដប្រភព (បរិបទ) និងដើមឈើវាក្យសម្បទាដែលបានវិភាគ (AST; រចនាសម្ព័ន្ធ) គឺជាការតំណាងពីរប្រភេទបំពេញបន្ថែមគ្នាសម្រាប់កម្មវិធីកុំព្យូទ័រតែមួយ។ ប្រពៃណីមក អ្នករចនាម៉ូដែលរៀនសូត្រពីម៉ាស៊ីន បានពឹងផ្អែកជាចម្បងលើរចនាសម្ព័ន្ធ ឬបរិបទ។ យើងស្នើម៉ូដែលថ្មីមួយ ដែលរៀនរួមគ្នាលើបរិបទ និងរចនាសម្ព័ន្ធនៃលេខកូដប្រភព។ ផ្ទុយពីវិធីសាស្ត្រមុនៗ ម៉ូ... | km |
A recent publication provides the network graph for a neocortical microcircuit comprising 8 million connections between 31,000 neurons (H. Markram, et al., Reconstruction and simulation of neocortical microcircuitry, Cell, 163 (2015) no. 2, 456-492). Since traditional graph-theoretical methods may not be sufficient to ... | Una pubblicazione recente fornisce il grafo di rete per un microcircuito neocorticale composto da 8 milioni di connessioni tra 31.000 neuroni (H. Markram et al., Reconstruction and simulation of neocortical microcircuitry, Cell, 163 (2015) n. 2, 456-492). Poiché i metodi tradizionali della teoria dei grafi potrebbero n... | it |
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\ ... | Le anisotropie di temperatura della radiazione cosmica di fondo (CMB) mostrano un'asimmetria dipolare su larga scala nella potenza. Per determinare se ciò sia dovuto a una modulazione fisica reale o semplicemente a una grande fluttuazione statistica, è necessario misurare nuove modalità. In questo lavoro prevediamo con... | it |
We report multifrequency Very Long Baseline Array observations of twelve active galactic nuclei seen toward the Galactic anticenter. All of the sources are at |b| < 10 degrees and seven have |b| < 0.5 degrees. Our VLBA observations can detect an enhancement in the angular broadening of these sources due to an extended ... | 은하 반대쪽 중심 방향으로 관측된 12개의 활동은하핵에 대한 다중주파수 초장기선 배열(Very Long Baseline Array, VLBA) 관측 결과를 보고한다. 모든 천체는 |b| < 10도에 위치하며, 7개는 |b| < 0.5도에 있다. 외부 은하에서 H II 성운 원반의 방향이 H I 성운 원반의 방향과 유사하다면, 우리의 VLBA 관측은 이러한 천체들의 각도 확장이 확장된 H II 원반으로 인해 증가하는 현상을 감지할 수 있다. 이러한 확장된 H II 원반의 존재는 준성계(quasar) 스펙트럼에서 나타나는 C IV 흡수, 인근 나선은하들의 H I 원반 형... | ko |
Fast Radio Bursts (FRBs) are bright enigmatic radio pulses of roughly millisecond duration that come from extragalactic distances. As part of the MeerTRAP project, we use the MeerKAT telescope array in South Africa to search for and localise those bursts to high precision in real-time. We aim to pinpoint FRBs to their ... | Rajadas Rápidas de Rádio (FRBs) são pulsos de rádio brilhantes e enigmáticos com duração de aproximadamente um milissegundo que vêm de distâncias extragalácticas. Como parte do projeto MeerTRAP, utilizamos a matriz de telescópios MeerKAT na África do Sul para buscar e localizar essas rajadas com alta precisão em tempo ... | pt |
We derive mass functions (MF) for halo red dwarfs (the faintest hydrogen burning stars) and then extrapolate to place limits on the total mass of halo brown dwarfs (stars not quite massive enough to burn hydrogen). The mass functions are obtained from the luminosity function of a sample of 114 local halo stars in the U... | 우리는 헤일로 붉은 왜성(가장 희미한 수소 연소 별)에 대한 질량 함수(MF)를 도출한 후, 이를 외삽하여 헤일로 갈색 왜성(수소 연소에 충분한 질량이 부족한 별)의 총 질량에 대한 한계를 설정한다. 질량 함수는 USNO 시차 조사(Dahn \etal 1995)에서 얻은 국부 헤일로 별 114개로 구성된 표본의 광도 함수로부터 구하였다. 우리는 Alexander \etal(1996)의 항성 모델을 사용하며, 표본의 금속량 및 미해결 이중성계의 존재 가능성에 대해 다양한 가정을 두었다. 그 결과, 수소 연소 한계에 접근할수록 헤일로 붉은 왜성의 질량 함수는 $1/m^2... | ko |
A critical discussion of the present status of the CERN experiments on charm dynamics and hadron collective flow is given. We emphasize the importance of the flow excitation function from 1 to 50 A$\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$\... | Một thảo luận nghiêm ngặt về tình trạng hiện tại của các thí nghiệm tại CERN về động lực học hạt lạ (charm) và dòng chảy tập thể của hadron được trình bày. Chúng tôi nhấn mạnh tầm quan trọng của hàm kích thích dòng chảy trong khoảng từ 1 đến 50 A$\cdot$GeV: tại đây, mô hình thủy động lực học đã dự đoán sự sụp đổ của dò... | vi |
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... | 大量のラベル付き訓練データは、深層モデルが過去に大きな成功を収めた主な要因の一つである。ベンチマーク以外のタスクにおいては、資金と専門知識の両方を必要とするため、ラベルの取得は困難となる場合がある。ラベル付けされていない事例のうち、モデルの改善という観点から有望なもののみを選択し、そのラベルだけを取得することで、アクティブラーニングはラベル付けプロセスの時間的・コスト的な効率を高めることができる。本研究では、増分学習方式とアクティブラーニング手法を組み合わせた方法について述べる。これにより、新たに観測されたラベルなしデータを継続的に探索することが可能になる。モデルの不確実性および予想されるモデル出力の変化（EMOC）に基づく選択基準... | ja |
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... | Hoy en día, el uso de métodos ágiles de desarrollo de software como Scrum es común en la industria y en el ámbito académico. Considerando el panorama actual de ataques, es evidente que desarrollar software seguro debería ser una preocupación principal en todos los proyectos de desarrollo de software. En proyectos de so... | es |
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... | 6次元超共形場理論（SCFT）のコンパクト化によって生成される4次元理論のクラスをより深く理解することを目的として、我々はクラスS_Gamma理論、すなわちM5ブレーンがADE特異点をプローブすることによって得られる6次元SCFTに対して、N = 1超対称性を持つパンクチャの構造を研究する。M5ブレーンがC^2 / Z_k特異点をプローブする場合、パンクチャは時間発展がアフィンA型キラーモデルの隣接ノードへの移動に対応する力学系によって支配される。パンクチャの分類は、周期軌道を生じる一貫した初期条件を決定することに帰着する。この系の研究は、単一のM5ブレーンの場合に特に扱いやすい。この「単純な」場合でさえ、解は顕著な複雑さを示す。初... | ja |
The Gemini Deep Deep Survey, GDDS, produced several significant results relating to the evolution of galaxies. All of these results are consistent with the "downsizing" concept of galaxy formation and evolution, i.e., that the active periods of star formation moved progressively from very massive galaxies at high redsh... | Gemini Derin Derin Taraması (GDDS), galaksilerin evrimiyle ilgili birkaç önemli sonuç ortaya koymuştur. Bu sonuçların tümü galaksi oluşumu ve evriminin "küçülme" (downsizing) kavramıyla uyumludur; yani yıldız oluşumunun aktif dönemleri, yüksek kırmızıya kaymanın olduğu zamanlarda çok kütleli galaksilerde başlayıp, zama... | tr |
The advantages of adaptivity and feedback are of immense interest in signal processing and communication with many positive and negative results. Although it is established that adaptivity does not offer substantial reductions in minimax mean square error for a fixed number of measurements, existing results have shown ... | Keunggulan adaptivitas dan umpan balik sangat menarik dalam pemrosesan sinyal dan komunikasi, dengan berbagai hasil positif dan negatif. Meskipun telah ditunjukkan bahwa adaptivitas tidak memberikan pengurangan substansial terhadap kesalahan kuadrat rata-rata minimaks untuk jumlah pengukuran yang tetap, hasil-hasil yan... | id |
In this paper, we investigate a distributed optimal control problem for a convective viscous Cahn-Hilliard system with dynamic boundary conditions. Such systems govern phase separation processes between two phases taking place in an incompressible fluid in a container and, at the same time, on the container boundary. T... | اس تحقیقی مقالے میں، ہم دینامی سرحدی شرائط کے ساتھ ایک کنویکٹو وِسکس کاہن ہلیارڈ نظام کے لیے تقسیم شدہ مثالی کنٹرول کے مسئلے کا جائزہ لیتے ہیں۔ اس قسم کے نظام ایک بے ترتیب سیال میں ایک برتن کے اندر دو مراحل کے درمیان مرحلہ علیحدگی کے عمل کو حکمرانی کرتے ہیں، اور اسی وقت برتن کی سرحد پر بھی۔ قیمتی فنکشنل معیاری ٹریکنگ ق... | ur |
A recent publication provides the network graph for a neocortical microcircuit comprising 8 million connections between 31,000 neurons (H. Markram, et al., Reconstruction and simulation of neocortical microcircuitry, Cell, 163 (2015) no. 2, 456-492). Since traditional graph-theoretical methods may not be sufficient to ... | 最近の出版物により、3万1000個のニューロン間の800万の接続からなる新皮質マイクロサーキットのネットワークグラフが提供された（H. マークランら、「新皮質マイクロサーキットの再構成とシミュレーション」、Cell、163巻（2015年）、2号、456–492頁）。このような生物ネットワークの極めて複雑な構造を理解するには、従来のグラフ理論的手法では不十分である可能性があるため、代数的トポロジーの手法がその構造的・機能的組織について新たな視点を提供できるかどうかを検討した。構造的トポロジー解析により、マイクロサーキット内のニューロン間の接続関係を表す有向グラフは、さまざまな種類のランダム化グラフと有意に逸脱していることが明らかになっ... | ja |
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... | Dalam karya ini kami menyajikan parameter atmosfer utama, kelimpahan karbon, nitrogen, dan oksigen, serta rasio 12C/13C yang ditentukan dalam sampel 28 bintang raksasa klaster galaksi. Kelimpahan karbon dipelajari menggunakan pita C2 pada 5086,2 {\AA}. Interval panjang gelombang 7980-8130 {\AA} yang memiliki ciri-ciri ... | id |
The current early stage in the investigation of the stability of the Kerr metric is characterized by the study of appropriate model problems. Particularly interesting is the problem of the stability of the solutions of the Klein-Gordon equation, describing the propagation of a scalar field in the background of a rotati... | কার মেট্রিকের স্থিতিশীলতা নির্ণয়ের তদন্তের বর্তমান প্রাথমিক পর্যায়টি উপযুক্ত মডেল সমস্যাগুলির অধ্যয়নের মাধ্যমে চিহ্নিত করা হয়েছে। বিশেষভাবে আকর্ষণীয় হল ক্লাইন-গর্ডন সমীকরণের সমাধানগুলির স্থিতিশীলতার সমস্যা, যা একটি ঘূর্ণায়মান (কার-) ব্ল্যাক হোলের পটভূমিতে একটি স্কেলার ক্ষেত্রের প্রসারণ বর্ণনা করে। ফলাফলগুলি নির্দ... | bn |
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$\... | CERN의 캐릭터 동역학 및 하드론 집단 흐름 실험 현황에 대한 비판적 논의를 제시한다. 우리는 1~50 A·GeV 범위에서의 흐름 여기 함수의 중요성을 강조한다. 이 범위에서 수역학적 모델은 약 10 A·GeV에서 $v_1$-흐름과 $v_2$-흐름의 붕괴를 예측하였으며, 실제로 NA49 협력단에 의해 40 A·GeV에서 최근 관측되었다. 하드론 재산란 모델은 이 에너지 영역에서 관측된 것보다 훨씬 큰 흐름을 예측하기 때문에, 우리는 이 관측 결과를 고바리온 밀도 $\rho_B$에서 1차 상전이의 잠재적 증거로 해석한다. 이어서 RHIC에서 생성되는 고온 밀도 물질의... | ko |
The GEM project is designed for the next generation 2 beta decay experiments with 76-Ge. One ton of ''naked'' HP Ge detectors (natural at the first GEM-I phase and enriched in 76-Ge to 86% at the second GEM-II stage) are operating in super-high purity liquid nitrogen contained in the Cu vacuum cryostat (sphere with dia... | GEM жобасы 76-Ge изотопы үшін келесі ұрпақ 2 бета ыдырау тәжірибелеріне арналған. Бір тонналық «ашық» HP Ge детекторлары (бірінші GEM-I кезеңінде табиғи және екінші GEM-II кезеңінде 76-Ge-ге 86%-ға дейін байытылған) мыс вакуумдық криостатта (диаметрі 5 м болатын сфера) орналасқан супер таза сұйық азотта жұмыс істейді. ... | kk |
In echocardiography (echo), an electrocardiogram (ECG) is conventionally used to temporally align different cardiac views for assessing critical measurements. However, in emergencies or point-of-care situations, acquiring an ECG is often not an option, hence motivating the need for alternative temporal synchronization ... | Эхокардиографияда (эхо) әдетте әртүрлі жүрек көріністерін өлшемдерді бағалау үшін уақыт бойынша біріктіру үшін электрокардиограмма (ЭКГ) қолданылады. Алайда, авариялық жағдайларда немесе медициналық көмектің нүктесіндегі жағдайларда ЭКГ алу мүмкін болмай қалады, сондықтан альтернативті уақыттық синхрондау әдістерінің қ... | kk |
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... | Nous présentons des observations d'ALMA et de l'ACA de la raie [CI]$^{3}P_{1}-^{3}P_{0}$ ([CI](1-0)) de NGC6240, que nous combinons avec des données ALMA de la raie CO(2-1) et des données IRAM PdBI de la raie CO(1-0) afin d'étudier les propriétés physiques de l'important flux de sortie moléculaire (H$_2$). Nous découvr... | fr |
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... | Мы разработали надежную модель крупнозернистого описания одноцепочечной и двуцепочечной ДНК, представляя каждый нуклеотид тремя точками взаимодействия (TIS), расположенными в центрах масс сахара, фосфата и основания. Полученная модель TIS включает взаимодействия, обусловленные стэкингом оснований, водородными связями и... | ru |
Fast Radio Bursts (FRBs) are bright enigmatic radio pulses of roughly millisecond duration that come from extragalactic distances. As part of the MeerTRAP project, we use the MeerKAT telescope array in South Africa to search for and localise those bursts to high precision in real-time. We aim to pinpoint FRBs to their ... | Schnelle Radioblitze (FRBs) sind helle, rätselhafte Radiopulse mit einer Dauer von etwa einer Millisekunde, die aus extragalaktischen Entfernungen stammen. Im Rahmen des MeerTRAP-Projekts nutzen wir das Teleskop-Array MeerKAT in Südafrika, um diese Pulse in Echtzeit zu suchen und mit hoher Präzision zu lokalisieren. Un... | de |
As the fast growth and large integration of distributed generation, renewable energy resource, energy storage system and load response, the modern power system operation becomes much more complicated with increasing uncertainties and frequent changes. Increased operation risks are introduced to the existing commercial ... | تقسیم شدہ تولید، قابل تجدید توانائی کے وسائل، توانائی ذخیرہ کرنے کے نظام اور لوڈ ری ایکشن کی تیز رفتار ترقی اور بڑے پیمانے پر ادراج کے ساتھ جدید بجلی کے نظام کا آپریشن غیر یقینی صورتحال اور بار بار تبدیلیوں کی بنا پر کافی حد تک پیچیدہ ہو چکا ہے۔ موجودہ تجارتی توانائی انتظامی نظام (EMS) کی محدود معلوماتی صلاحیت کی وجہ س... | ur |
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$\... | Şu anda CERN'de yapılan charmon dinamikleri ve hadron kolektif akışı deneylerinin durumu eleştirel bir şekilde tartışılıyor. 1 ile 50 A$\cdot$GeV arasındaki akış uyarım fonksiyonunun önemine vurgu yapılıyor: hidrodinamik model, $v_1$-akışının ve $v_2$-akışının yaklaşık 10 A$\cdot$GeV'de çökmesini öngörmüştü; bu çökme y... | tr |
A recent publication provides the network graph for a neocortical microcircuit comprising 8 million connections between 31,000 neurons (H. Markram, et al., Reconstruction and simulation of neocortical microcircuitry, Cell, 163 (2015) no. 2, 456-492). Since traditional graph-theoretical methods may not be sufficient to ... | Sebuah publikasi terbaru menyajikan grafik jaringan untuk mikrosirkuit neokortikal yang terdiri dari 8 juta koneksi antara 31.000 neuron (H. Markram, dkk., Rekonstruksi dan simulasi mikrosirkuit neokortikal, Cell, 163 (2015) no. 2, 456-492). Karena metode teori grafik tradisional mungkin tidak cukup untuk memahami komp... | id |
One of the major targets for next-generation cosmic microwave background (CMB) experiments is the detection of the primordial B-mode signal. Planning is under way for Stage-IV experiments that are projected to have instrumental noise small enough to make lensing and foregrounds the dominant source of uncertainty for es... | পরবর্তী প্রজন্মের মহাজাগতিক মাইক্রোতরঙ্গ পটভূমি (সিএমবি) পরীক্ষাগুলির মধ্যে একটি প্রধান লক্ষ্য হল প্রাথমিক বি-মোড সংকেতের সনাক্তকরণ। চতুর্থ পর্যায়ের পরীক্ষার জন্য পরিকল্পনা চলছে যা এমন যন্ত্রের শব্দ থাকার কথা যা যথেষ্ট ক্ষুদ্র হবে, যাতে বহুমুখীকরণ এবং পূর্বভাগীয় উপাদানগুলিকে টেন্সর-টু-স্কেলার অনুপাত $r$ অনুমানের জন্য... | bn |
An interpretable system for open-domain reasoning needs to express its reasoning process in a transparent form. Natural language is an attractive representation for this purpose -- it is both highly expressive and easy for humans to understand. However, manipulating natural language statements in logically consistent w... | کھلے شعبے کے استدلال کے لیے ایک تشریح کی جا سکنے والی نظام کو اپنے استدلال کے عمل کو شفاف شکل میں ظاہر کرنے کی ضرورت ہوتی ہے۔ اس مقصد کے لیے قدرتی زبان ایک پرکشش نمائندگی ہے -- یہ نہ صرف انتہائی اظہاری ہوتی ہے بلکہ انسانوں کے لیے سمجھنا بھی آسان ہوتی ہے۔ تاہم، قدرتی زبان کے بیانات کو منطقی طور پر مسلّط انداز میں استعما... | ur |
New algorithms for efficient decoding of polar codes (which may be CRC-augmented), transmitted over either a binary erasure channel (BEC) or an additive white Gaussian noise channel (AWGNC), are presented. We start by presenting a new efficient exact maximum likelihood decoding algorithm for the BEC based on inactivati... | ပေါလာကုဒ်များ (CRC ဖြင့် တိုးချဲ့ထားနိုင်သည်) ကို ဒွိဖျက်သိမ်းရေးချိန် (BEC) သို့မဟုတ် ထည့်သွင်းအသုံးပြုသည့် အဖြူရောင်ဂေါ့စီယန်း အသံဆူညံမှု ချိန် (AWGNC) တို့ပေါ်တွင် ထုတ်လွှတ်သည့်အခါ ထိရောက်စွာ ဒီကုဒ်ဖြေရန် အတွက် အယ်လ်ဂိုရီသမ်များကို တင်ပြသည်။ အင်အားကောင်းသော မဟုတ်ပါက ဒီကုဒ်ဖြေခြင်းအတွက် အသစ်ဖြစ်ပြီး ထိရောက်သော တိကျသည... | my |
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^-... | 在重夸克展开的框架内，对底夸克和粲夸克强子的寿命进行了唯象分析。重子矩阵元通过袋模型和非相对论夸克模型进行计算。我们发现，底重子寿命呈现出 $\tau(\Omega_b)\simeq\tau(\Xi_b^-)>\tau(\Lambda_b)\simeq\tau(\Xi_b^0)$ 的模式。然而，无论是 $\tau(\Lambda_b)/\tau( B_d)$ 的寿命比，还是 $\Lambda_b$ 重子与 $B$ 介子的绝对衰变率，都无法得到解释。解决这两个困难的一种方法是引入线性的 $1/m_Q$ 修正项，即在非轻子衰变宽度中使用强子质量 $m_{H_Q}$ 的五次方代替重夸克质量 $m_Q$ 进行标度。这一修正显著改变了底重子寿... | zh |
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... | Presentiamo osservazioni ALMA e ACA della transizione [CI]$^{3}P_{1}-^{3}P_{0}$ ([CI](1-0)) di NGC6240, che combiniamo con dati ALMA della linea CO(2-1) e dati IRAM PdBI della linea CO(1-0) per studiare le proprietà fisiche dell'outflow molecolare massiccio (H$_2$). Scopriamo che i lati in recessione e in avvicinamento... | it |
We show that typical behaviors of market participants at the high frequency scale generate leverage effect and rough volatility. To do so, we build a simple microscopic model for the price of an asset based on Hawkes processes. We encode in this model some of the main features of market microstructure in the context of... | আমরা দেখাই যে উচ্চ ফ্রিকোয়েন্সি স্কেলে বাজারের অংশগ্রহণকারীদের সাধারণ আচরণ লিভারেজ প্রভাব এবং রাফ অস্থিরতা তৈরি করে। এটি করার জন্য, আমরা হকস প্রক্রিয়ার উপর ভিত্তি করে একটি সম্পদের দামের জন্য একটি সাধারণ সূক্ষ্ম মডেল তৈরি করি। উচ্চ ফ্রিকোয়েন্সি ট্রেডিংয়ের প্রেক্ষাপটে বাজারের সূক্ষ্ম কাঠামোর কিছু প্রধান বৈশিষ্ট্য আমর... | bn |
We present a new family of zero-field Ising models over $N$ binary variables/spins obtained by consecutive "gluing" of planar and $O(1)$-sized components and subsets of at most three vertices into a tree. The polynomial-time algorithm of the dynamic programming type for solving exact inference (computing partition func... | เราเสนอตระกูลใหม่ของโมเดลไอซิงแบบสนามศูนย์ (zero-field Ising models) ที่มีตัวแปร/สปินแบบไบนารีจำนวน $N$ ตัว ซึ่งได้มาจากการ "ต่อกัน" อย่างต่อเนื่องขององค์ประกอบที่มีลักษณะระนาบและองค์ประกอบขนาด $O(1)$ รวมถึงชุดย่อยที่มีจุดสุดยอดไม่เกินสามจุดเข้าด้วยกันในรูปแบบต้นไม้ อัลกอริธึมแบบพหุนามที่ใช้การเขียนโปรแกรมแบบพลวัต (dyn... | th |
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... | Tek ve çift iplikli DNA için, her nükleotidi şeker, fosfat ve bazın kütle merkezlerinde yer alan üç etkileşim bölgesiyle (TIS) temsil ederek sağlam bir kaba tanecikli model geliştiriyoruz. Elde edilen TIS modeli, DNA'nın polimerik yapısını hesaba katan bağ uzama ve bağ açısı potansiyellerinin yanı sıra, baz yığılma, hi... | tr |
Pyrochlore systems ($A_{2}B_{2}O_{7}$) with $A$-site rare-earth local moments and $B$-site $5d$ conduction electrons offer excellent material platforms for the discovery of exotic quantum many-body ground states. Notable examples include U(1) quantum spin liquid of the local moments and semimetallic non-Fermi liquid of... | Пирохлорные системы ($A_{2}B_{2}O_{7}$) с локальными магнитными моментами редкоземельных элементов на позициях $A$ и проводящими электронами $5d$ на позициях $B$ представляют собой превосходные материальные платформы для обнаружения экзотических квантовых многотельных основных состояний. Среди примечательных примеров —... | ru |
We study quantum correlations and discord in a bipartite continuous variable hybrid system formed by linear combinations of coherent states $|\alpha\rangle$ and single photon added coherent states (SPACS) of the form $|\psi\rangle_{\text{dp(pa)}}= \mathcal{N}/\sqrt{2} (\hat{a}^\dagger |\alpha\rangle_a |\alpha\rangle_b ... | Studujeme kvantové korelace a diskord v bipartitním hybridním systému s nepřetržitými proměnnými, který je tvořen lineárními kombinacemi koherentních stavů $|\alpha\rangle$ a koherentních stavů s přidaným jedním fotonem (SPACS) ve tvaru $|\psi\rangle_{\text{dp(pa)}}= \mathcal{N}/\sqrt{2} (\hat{a}^\dagger |\alpha\rangle... | cs |
We present a systematic derivation of a model based on the central moment lattice Boltzmann equation that rigorously maintains Galilean invariance of forces to simulate inertial frame independent flow fields. In this regard, the central moments, i.e. moments shifted by the local fluid velocity, of the discrete source t... | Isinasalarawan namin ang isang sistematikong pagkuha ng isang modelo batay sa lattice Boltzmann equation na gumagamit ng central moment na mahigpit na nagpapanatili ng Galilean invariance ng mga puwersa upang masimulan ang mga field ng daloy na malaya sa inertial na balangkas. Sa ganitong pagtingin, ang mga central mom... | tl |
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... | Grandes quantidades de dados rotulados para treinamento são um dos principais fatores responsáveis pelo grande sucesso que os modelos profundos alcançaram no passado. A obtenção de rótulos para tarefas que não sejam benchmarks pode representar um desafio devido aos requisitos de financiamento e expertise. Ao selecionar... | pt |
Making use of both MUSE observations of 85 galaxies from the survey GASP (GAs Stripping Phenomena in galaxies with MUSE) and a large sample from MaNGA (Mapping Nearby Galaxies at Apache Point Observatory survey) we investigate the distribution of gas metallicity gradients as a function of stellar mass, for local cluste... | GASP (GAs Stripping Phenomena in galaxies with MUSE) জরিপ থেকে 85টি ছায়াপথের MUSE পর্যবেক্ষণ এবং MaNGA (Mapping Nearby Galaxies at Apache Point Observatory জরিপ) থেকে একটি বৃহৎ নমুনার উপর ভিত্তি করে আমরা স্থানীয় গুচ্ছ ও ক্ষেত্রের ছায়াপথগুলির জন্য তারকীয় ভরের ফাংশন হিসাবে গ্যাস ধাতবতা ঢালের বন্টন নিয়ে গবেষণা করি। ম... | bn |
We present results from the zeroth-order imaging of a Chandra HETGS observation of the nearby Seyfert 2 galaxy Circinus. Twelve X-ray sources were detected in the ACIS-S image of the galaxy, embedded in diffuse X-ray emission. The latter shows a prominent (~18arcsec) soft ``plume'' in the N-W direction, coincident with... | Біз жақын орналасқан Сейферт 2 галактикасы — Циркуль бойынша Chandra HETGS бақылауының нөлдік ретті бейнелеу нәтижелерін ұсынамыз. Галактиканың ACIS-S бейнесінде диффузиялық рентген сәулесінің ортасында он екі рентген көзі табылды. Соңғысы солтүстік-батыс бағытта [OIII] иондау конусымен сәйкес келетін бір айқын (≈18arc... | kk |
Fast Radio Bursts (FRBs) are bright enigmatic radio pulses of roughly millisecond duration that come from extragalactic distances. As part of the MeerTRAP project, we use the MeerKAT telescope array in South Africa to search for and localise those bursts to high precision in real-time. We aim to pinpoint FRBs to their ... | Ledakan Radio Pantas (FRB) adalah denyutan radio terang yang penuh teka-teki dengan tempoh kira-kira milisaat yang berasal dari jarak luar galaksi. Sebagai sebahagian daripada projek MeerTRAP, kami menggunakan tatasusunan teleskop MeerKAT di Afrika Selatan untuk mencari dan menentukan lokasi denyutan tersebut secara te... | ms |
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... | ঘনত্ব-ম্যাট্রিক্স পুনঃসামান্যকরণ গ্রুপ কৌশল ব্যবহার করে, আমরা কপার ভ্যানাডেট CuInVO$_5$-এর জন্য একটি কার্যকর স্পিন মডেল হিসাবে যুক্ত টেট্রামারগুলির গঠনকারী এক-মাত্রিক স্পিন-$\frac{1}{2}$ হেইজেনবার্গ শৃঙ্খলের অধ্যয়ন করি। আমরা টেট্রামার-অভ্যন্তরীণ এবং টেট্রামার-মধ্যবর্তী বিনিময় মিথস্ক্রিয়ার ফাংশন হিসাবে ভূমি-অবস্থার প... | bn |
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