Systems, Environments, and Soliton Rate Equations: Toward Realistic Modeling - Publikacja - MOST Wiedzy

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Systems, Environments, and Soliton Rate Equations: Toward Realistic Modeling

Abstrakt

In order to solve a system of nonlinear rate equations one can try to use some soliton methods. The procedure involves three steps: (1) find a ‘Lax representation’ where all the kinetic variables are combined into a single matrix ρ, all the kinetic constants are encoded in a matrix H; (2) find a Darboux–Bäcklund dressing transformation for the Lax representation iρ˙=[H,f(ρ)], where f models a time-dependent environment; (3) find a class of seed solutions ρ=ρ[0] that lead, via a nontrivial chain of dressings ρ[0]→ρ[1]→ρ[2]→… to new solutions, difficult to find by other methods. The latter step is not a trivial one since a non-soliton method has to be employed to find an appropriate initial ρ[0]. Procedures that lead to a correct ρ[0] have been discussed in the literature only for a limited class of H and f. Here, we develop a formalism that works for practically any H, and any explicitly time-dependent f. As a result, we are able to find exact solutions to a system of equations describing an arbitrary number of species interacting through (auto)catalytic feedbacks, with general time dependent parameters characterizing the nonlinearity. Explicit examples involve up to 42 interacting species.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
Foundations of Science nr 24, strony 95 - 132,
ISSN: 1233-1821
Język:
angielski
Rok wydania:
2019
Opis bibliograficzny:
Kuna M.: Systems, Environments, and Soliton Rate Equations: Toward Realistic Modeling// Foundations of Science -Vol. 24,iss. 1 (2019), s.95-132
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1007/s10699-018-9568-9
Weryfikacja:
Politechnika Gdańska

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