Index:vak

Comparative analysis of machine learning methods by the example of the problem of determining muon decay

The history of using machine learning algorithms to analyze statistical models is quite long. The development of computer technology has given these algorithms a new breath. …

migran-nelsonovich-gevorkyan

Numerical modeling of stationary pseudospin waves on a graphene monoatomic films

For the first time, the theoretical model of the spin-electron structure of a singlelayer graphene film was proposed by Wallace. The literature also describes ferromagnetism …

le-anh-nhat

Mathematical model of cavitation under the influence of a single stretching pulse

This paper describes the created mathematical model that allows you to explore the dynamics of cavitation bubbles under the influence of a single negative pressure pulse. The time …

nikolay-yurievich-kravchenko

Simple Model of Nonlinear Spin Waves in Graphene Structures

A series of theoretical and experimental works is known which investigated the magnetic properties of graphene structures. This is due, among other things, to the prospects of …

dmitry-sergeevich-kulyabov

Implementing a Method for Stochastization of One-Step Processes in a Computer Algebra System

When modeling such phenomena as population dynamics, controllable flows, etc., a problem arises of adapting the existing models to a phenomenon under study. For this purpose, we …

migran-nelsonovich-gevorkyan

Application of Functional Integrals to Stochastic Equations

Representing a probability density function (PDF) and other quantities describing a solution of stochastic differential equations by a functional integral is considered in this …

edik-artashevich-ayrjan

Using two Types of Computer Algebra Systems to Solve Maxwell Optics Problems

To synthesize Maxwell optics systems, the mathematical apparatus of tensor and vector analysis is generally employed. This mathematical apparatus implies executing a great number …

dmitry-sergeevich-kulyabov

Quantum Field Theory Approach to the Analysis of One-Step Models

During development of methods for stochastization of one-step processes the attention was focused on obtaining the stochastic equations in the form of the Langevin, since this form …

ekaterina-gennadyevna-eferina

One-Step Stochastic Processes Simulation Software Package

It is assumed that the introduction of stochastic in mathematical model makes it more adequate. But there is virtually no methods of coordinated (depended on structure of the …

ekaterina-gennadyevna-eferina

Maxwell's Equations in Arbitrary Coordinate System

The article is devoted to application of tensorial formalism for derivation of different types of Maxwell's equations. The Maxwell's equations are written in the covariant …

dmitry-sergeevich-kulyabov

Application of Two-Spinor Calculus in Quantum Mechanical and Field Calculations

This paper describes Lorentz two-spinors and proposes using them in calculations with Dirac four-spinors and quaternions.

dmitry-sergeevich-kulyabov

An Application of Computer Algebra System Cadabra to Scientific Problems of Physics

In this article we present two examples solved in a new problem-oriented computer algebra system Cadabra. Solution of the same examples in widespread universal computer algebra …

leonid-antonovich-sevastianov

Kink-like Configurations of Interacting Scalar, Electromagnetic, and Gravitational Fields

We have obtained exact kink-like static plane-symmetric solutions to the self-consistent system of electromagnetic, scalar, and gravitational field equations. It was shown that …

yury-petrovich-rybakov