Статьи

В статье рассмотрены практические аспекты цифровизации объектов таможенной инфраструктуры на основе BIM-технологий.

Цель работы: разработка квантовых алгоритмов для результативного решения задач криптоанализа схем асимметричного шифрования (RSA, Эль-Гамаля) и цифровой подписи (DSA, ECDSA или RSA-PSS), базирующихся на вычислительно трудных задачах факторизации и дискретного логарифмирования.Методы исследования: Методы квантового криптоанализа на основе алгоритмов Шора, Гровера, Саймона и др.Результаты исследования: алгоритмы решения задач квантового криптоанализа схем двухключевой криптографии за полиномиальное время.Научная и практическая значимость результатов статьи состоит в выработке решения для вычислительно трудных задач факторизации и дискретного логарифмирования за полиномиальное время с учетом стойкости дискретного алгоритма (DLP) и дискретного алгоритма с эллиптической кривой (ECDLP). Полученные научные результаты легли в основу разработки специального Комплекта для разработки программного обеспечения, SDK криптоанализа «Квант-К». Получено Свидетельство о государственной регистрации программы для ЭВМ№2020665981.

Effective output from data centers are determined by many complementary factors. Often, attention is paid to only a few, at first glance, the most significant of them. For example, this is the efficiency of the scheduler, the efficiency of resource utilization by user tasks. At the same time, a more general view of the problem is often missed: the level at which the interconnection of work processes in the HPC center is determined, the organization of effective work as a whole. missions at this stage can negate any subtle optimizations at a low level. This paper provides a scheme for describing workflows in the supercomputer center and analyzes the experience of large HPC facilities in identifying the bottlenecks in this chain. A software implementation option that gives the possibility of optimizing the organization of work at all stages is also proposed in the form of a support system for the functioning of the HPC site.

We propose a structural scheme for the origin and unfolding of the large solar cycle as a group of physical phenomena that are registered on the surface of the Sun and include the so-called 11-year and 27-day (Carringtonian) cycles of solar activity. The model considerations are quite general because they exclude the specifics of natural systems; physical laws are not used; only the structural aspect is studied. The basis for consideration is the protostructure, i.e. according to the conception, a primary system of relations, which is considered on the numerical axis. The system is represented as a network consisting of nodes, or allowed states, and links, i.e. rules responsible for stability, both of which are set by the protostructure. An order parameter, n, or hierarchically the most significant characteristic of the system, is formed on the basis of two additional relative characteristics. The order parameter and shifts of its positions relative to the initial positions are the basis for the analysis of structural events.
The protostructure has previously been used to analyze the structure of the solar system in the ecliptic plane, where the role of the order parameter, n, is played by the relative angular momentum. In particular, the stages of the Sun’s burning from initial mass to the currently known mass, as well as the relationship of mass with the minimum radius of the Sun and the eccentricity of the Earth’s orbit have been investigated. The nodal complex responsible for the formation of the observed characteristics of the great solar cycle, Halley’s Comet, the asteroid belt, and the Chiron body was also identified. The analyses of already available model constructions, as well as the involvement of several hypotheses allow us to combine these results and present a set of structural scenarios describing the emergence and unfolding of the great solar cycle from its formation to the present. At present, the observed solar radius is 4.649*10-3a.u. When the model solar radius changes within the range of (4