Computational Method for Searching Singular Points on the Plane of Complex Time for Research of Determinated-Chaotic Systems (Using the Example of E. Lorenz System)

Authors

  • Bunyakin A.V. Kuban State University, Krasnodar, Russian Federation
  • Pshikova I.S. Kuban State University, Krasnodar, Russian Federation

UDC

531

EDN

WRPNHT

DOI:

10.31429/vestnik-17-1-2-69-80

Abstract

The general scheme of search and recognition (identification) of singular points of the solution of dynamic systems is present. Under singular points we understand not a features of the phase flow, but the poles of the functions of the solution components for analytical continuation into the plane of complex time. Pole orders may be different for different components. As examples for calculation, precisely known system exhibiting deterministic chaotic behavior – E. Lorentz system, and also indicates a general scheme for matching of the differential dynamic system solution with the special integer sequence (quantization).
The introduction describes a method for searching for singular points on the plane of complex time, which is a specific variant of numerical integration with the optimal choice of the direction of the next step. Optimization is the minimization of the number of steps, that is, ultimately – the computational time. The second part of the paper describes an algorithm for searching for singular points of the layer closest to the real time axis, and this algorithm is numerically implemented for the Lorentz system. The third (final) part of the paper describes a possible application of the method for constructing quantum-mechanical models of multielectronic systems.

Keywords:

dynamical systems, deterministic chaos, analytic continuation

Authors info

  • Aleksey V. Bunyakin

    канд. физ.–мат. наук, доцент кафедр математических и компьютерных методов Кубанского государственного университета, оборудования нефтяных и газовых промыслов Кубанского государственного технологического университета, кафедры нефтегазового дела и землеустройства Майкопского государственного технологического университета

  • Irina S. Pshikova

    студентка факультета математики и компьютерных наук Кубанского государственного университета, старший лаборант кафедры математических и компьютерных методов Кубанского государственного университета

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Issue

Vol. 17 (2020) No. 1

Pages

69-80

Section

Physics

Dates

Submitted

January 24, 2020

Accepted

February 9, 2020

Published

March 31, 2020

How to Cite

[1]
Bunyakin, A.V., Pshikova, I.S., Computational Method for Searching Singular Points on the Plane of Complex Time for Research of Determinated-Chaotic Systems (Using the Example of E. Lorenz System). Ecological Bulletin of Research Centers of the Black Sea Economic Cooperation, 2020, т. 17, № 1, pp. 69–80. DOI: 10.31429/vestnik-17-1-2-69-80

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Copyright (c) 2020 Бунякин А.В., Пшикова И.С.

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