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Shipilov F., Barnyakov A., Ivanov A. et al., / Series Physics "arxiv.org". 2026.
A fast simulation of the detector response is a vital task in high-energy physics (HEP). Traditional Monte-Carlo methods form the backbone of modern particle physics simulation software but are computationally expensive. We present a machine-learning-based approach to fast simulation of the Focusing Aerogel Ring Imaging Cherenkov (FARICH) detector response. Given a particle track and momentum, ...
Added: May 19, 2026
Derkacheva A., Sakirkina M., Kraev G. et al., /. 2026.
Comprehensive data on natural hazards and their consequences are crucial for effective for risk assessment, adaptation planning, and emergency response. However, many countries face challenges with fragmented, inconsistent, and inaccessible data, particularly regarding local-scale events. To address this data gap in Russia, we developed an end-to-end processing pipeline that scrapes news from various online sources, ...
Added: April 28, 2026
Pilé I., Deng Y., Shchur L., / Series arXiv "math". 2026. No. 2604.10254.
We investigate the spatial overlap of successive spin configurations in Markov chain Monte Carlo simulations using the local Metropolis algorithm and the Svendsen-Wang and Wolff cluster algorithms. We examine the dynamics of these algorithms for two models in different universality classes: the Ising model and the Potts model with three components. The overlap of two ...
Added: April 20, 2026
Gabdullin N., Androsov I., / Series Computer Science "arxiv.org". 2026.
Label prediction in neural networks (NNs) has O(n) complexity proportional to the number of classes. This holds true for classification using fully connected layers and cosine similarity with some set of class prototypes. In this paper we show that if NN latent space (LS) geometry is known and possesses specific properties, label prediction complexity can ...
Added: April 2, 2026
Vostrikov A. V., Гасанов И. З., В кн.: Научные открытия и инновационные стратегии: сборник статей Международной научно-практической конференции.: М.: Международный центр «Новые научные исследования», 2025. С. 152–157.
The article explores the interaction methods between microservices, focusing on synchronous and asynchronous communication. It presents widely used technologies for synchronous interaction such as REST and gRPC, outlining their working principles, strengths, and limitations. The asynchronous model is also discussed, highlighting the use of message brokers like RabbitMQ, Apache Kafka, and AWS SQS. The text ...
Added: February 18, 2026
М.: Международный центр «Новые научные исследования», 2025.
Сборник содержит статьи участников Международной научно-практической конференции «Научные открытия и инновационные стратегии», состоявшейся 24 мая 2025 г. в г. Москва.
В сборнике научных трудов рассматриваются современные научные проблемы и практики применения результатов научных исследований. Материалы сборника предназначены для научных работников, преподавателей, аспирантов, магистрантов, студентов в целях применения в научной работе и учебной деятельности. Ответственность за аутентичность ...
Added: February 18, 2026
Sorokin K., Beketov M., Онучин А. et al., / arxiv.org. Серия cs.SI "Social and Information Networks ". 2025.
Community detection in complex networks is a fundamental problem, open to new approaches in various scientific settings. We introduce a novel community detection method, based on Ricci flow on graphs. Our technique iteratively updates edge weights (their metric lengths) according to their (combinatorial) Foster version of Ricci curvature computed from effective resistance distance between the ...
Added: January 15, 2026
Petrovanov I., Sergeev A., / Series Computer Science "arxiv.org". 2025. No. 2512.18332.
Transport coding reduces message delay in packet-switched networks by introducing controlled redundancy at the transport layer: original packets are encoded into coded packets, and the message is reconstructed after the first successful deliveries, effectively shifting latency from the maximum packet delay to the -th order statistic. We present a concise, reproducible discrete-event implementation of transport coding in OMNeT++, including ...
Added: December 24, 2025
Hessian-based lightweight neural network for brain vessel segmentation on a minimal training dataset
Меньшиков И. А., Бернадотт А. К., Elvimov N. S., / Series arXie "Statistical mechanics". 2025.
Accurate segmentation of blood vessels in brain magnetic resonance angiography (MRA) is essential for successful surgical procedures, such as aneurysm repair or bypass surgery. Currently, annotation is primarily performed through manual segmentation or classical methods, such as the Frangi filter, which often lack sufficient accuracy. Neural networks have emerged as powerful tools for medical image ...
Added: December 1, 2025
Chernyshov D., Satanin A., Shchur L., / Series arXiv "math". 2025.
We investigate the boundary separating regular and chaotic dynamics in the generalized Chirikov map, an extension of the standard map with phase-shifted secondary kicks. Lyapunov maps were computed across the parameter space (K,K(α, τ)) and used to train a convolutional neural network (ResNet18) for binary classification of dynamical regimes. The model reproduces the known critical ...
Added: November 21, 2025
Rubchinskiy A., Chubarova D., / Series WP7 "Математические методы анализа решений в экономике, бизнесе и политике". 2025. No. WP7/2025/01.
The article examines one of the most famous examples of socio-economic systems, characterized by significant uncertainty – the S&P-500 stock market, where shares of 500 largest US companies are traded. No assumptions are made about the probabilistic characteristics of the stock market. A flexible algorithm for daily trading has been developed, based on both known fixed data ...
Added: November 9, 2025
Yusupov V., Rakhuba M., Frolov E., , in: CIKM '25: Proceedings of the 34rd ACM International Conference on Information and Knowledge Management.: ACM, 2025. Ch. 1 P. 5469–5473.
In this work, we present a fast and effective Linear approach for updating recommendations in a scalable graph-based recommender system UltraGCN. Solving this task is extremely important to maintain the relevance of the recommendations under the conditions of a large amount of new data and changing user preferences. To address this issue, we adapt the ...
Added: October 3, 2025
Самара: ООО НИЦ «Поволжская научная корпорация», 2025.
В монографии «Концептуальные основы развития национальной инновационной системы России: структурно-технологическая модернизация отечественной экономики, социально-экономические и технологические факторы развития» авторы рассматривают поставленную исследовательскую проблему в разрезе пяти глав: концептуальные и методологические основы развития национальной инновационной системы России, структурно-технологическая модернизация отечественной экономики: социально-экономические и технологические факторы развития, переходное финансирование энергоперехода в странах ЕАЭС и БРИКС, внешняя торговля ...
Added: April 29, 2025
Бурдонов И. Б., Evtushenko N. V., Evtushenko L. et al., В кн.: Новые информационные технологии в исследовании сложных структур : материалы Пятнадцатой Международной конференции, 16–20 сентября 2024 г.: Томск: Издательство Томского государственного университета, 2024. С. 12–13.
Added: October 27, 2024
Posypkin M., Kolpakov R., Optimization Letters 2020 Vol. 14 No. 8 P. 2211–2226
Increasing the number of computational cores is a primary way of achieving the high performance of contemporary supercomputers. However, developing parallel applications capable to harness the enormous amount of cores is a challenging task. It is very important to understand the principle limitations of the scalability of parallel applications imposed by the algorithm’s structure. The ...
Added: October 30, 2020
Акимов В. С., Силаев Д. П., Симонов А. С. et al., Вычислительные методы и программирование: новые вычислительные технологии 2017 Т. 18 С. 406–415
The scalability of computations in FlowVision CFD software on the Angara-C1 cluster equipped with Angara interconnect is studied. Several test problems with 260 thousand, 5.5 million and 26.8 million computational cells are considered. Computations in FlowVision are performed using a new solver of linear systems based on the algebraic multigrid (AMG) method. It is shown ...
Added: October 30, 2019
Shchur L., Barash L., Weigel M. et al., , in: Supercomputing. RuSCDays 2018. Communications in Computer and Information Science, vol 965. Springer, Cham.: Springer, 2019. P. 354–366.
Population annealing is a novel Monte Carlo algorithm designed for simulations of systems of statistical mechanics with rugged free-energy landscapes. We discuss a realization of the algorithm for the use on a hybrid computing architecture combining CPUs and GPGPUs. The particular advantage of this approach is that it is fully scalable up to many thousands ...
Added: April 6, 2019
Russkov A., Shchur L., Journal of Physics: Conference Series 2019 Vol. 1163 No. 012079 P. 1–5
Matrix multiplication is one of the core operations in many areas of scientific computing. We present the results of the experiments with the matrix multiplication of the big size comparable with the big size of the onboard memory, which is 1.5 terabyte in our case. We run experiments on the computing board with two sockets ...
Added: March 26, 2019
Stegailov V., Dlinnova E., Ismagilov T. et al., International Journal of High Performance Computing Applications 2019 Vol. 33 No. 3 P. 507–521
In this paper, we describe the Desmos supercomputer that consists of 32 hybrid nodes connected by a low-latency highbandwidth Angara interconnect with torus topology. This supercomputer is aimed at cost-effective classical molecular dynamics calculations. Desmos serves as a test bed for the Angara interconnect that supports 3D and 4D torus network topologies, and verifies its ...
Added: November 11, 2018
Ziganurova L., Shchur L., Physical Review E - Statistical, Nonlinear, and Soft Matter Physics 2018 Vol. 98 No. 022218 P. 1–15
We examine the question of the influence of sparse long-range communications on the synchronization in parallel discrete event simulations (PDES). We build a model of the evolution of local virtual times (LVT) in a conservative algorithm including several choices of local links. All network realizations belong to the small-world network class. We find that synchronization ...
Added: July 13, 2018
С.Д. Кузнецов, Труды Института системного программирования РАН 2017 Т. 29 № 2 С. 117–160
In October 2013, the eighth meeting of researchers in the field of databases was held. The first such meeting took place in February 1988, so that 25 years passed between them. After each meeting, a report was published containing an overview of the current state of the field and a research program for the nearest ...
Added: February 12, 2018
С.Д. Кузнецов, Посконин А. В., Труды Института системного программирования РАН 2013 Т. 24 С. 327–258
Many modern applications (such as large-scale Web-sites, social networks, research projects, business analytics, etc.) have to deal with very large data volumes (also referred to as “big data”) and high read/write loads. These applications require underlying data management systems to scale well in order to accommodate data growth and increasing workloads. High throughput, low latencies ...
Added: January 30, 2018
С.Д. Кузнецов, Посконин А. В., Программирование 2014 Т. 40 № 6 С. 34–47
In the last decade, a new class of data management systems collectively called NoSQL systems emerged and are now intensively developed. The main feature of these systems is that they abandon the relational data model and the SQL, do not fully support ACID transactions, and use distributed architecture (even though there are non-distributed NoSQL systems ...
Added: November 6, 2017
Шмелёв А. А., В кн.: Труды 16-й Всероссийской НПК РАРАН «Актуальные проблемы защиты и безопасности»Т. 5.: СПб.: НПО СМ, 2013. С. 41–44.
Рассматривается защита документооборота в системах управления специального назначения. ...
Added: January 15, 2016