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JOURNALS // Zhurnal Vychislitel'noi Matematiki i Matematicheskoi Fiziki // Archive

Zh. Vychisl. Mat. Mat. Fiz., 2018 Volume 58, Number 6, Pages 1040–1056 (Mi zvmmf10712)

On instability in componentwise partitioned systems

V. N. Razzhevaikin

Dorodnicyn Computing Center, Federal Research Center “Computer Science and Control”, Russian Academy of Sciences, Moscow, Russia

Abstract: Asymptotic behavior of solutions of componentwise partitioned systems is studied. Sufficient conditions in terms of the properties of asymptotic localization of the right-hand sides of equations under which the solutions are not logarithmically bounded are obtained. Results obtained by the application of the developed theory to the generalized Lotka–Volterra system are presented. In the Appendix, auxiliary issues of the theory related to properties of convex sets are discussed.

Key words: componentwise partitioned system, asymptotic localization of Malthusian vector function, logarithmic boundedness of solutions, Lotka–Volterra system.

UDC: 519.16

Received: 17.01.2017
Revised: 07.09.2017

DOI: 10.7868/S0044466918060145


 English version:
Computational Mathematics and Mathematical Physics, 2018, 58:6, 993–1009

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