Asymptotic Behaviour of Coupled Systems in Discrete and Continuous Time
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Asymptotic Behaviour of Coupled Systems in Discrete and Continuous Time. / Paunonen, Lassi; Seifert, David.
julkaisussa: JOURNAL OF DYNAMICS AND DIFFERENTIAL EQUATIONS, Vuosikerta 30, Nro 2, 06.2018, s. 433-445.Tutkimustuotos › › vertaisarvioitu
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TY - JOUR
T1 - Asymptotic Behaviour of Coupled Systems in Discrete and Continuous Time
AU - Paunonen, Lassi
AU - Seifert, David
PY - 2018/6
Y1 - 2018/6
N2 - This paper investigates the asymptotic behaviour of solutions to certain infinite systems of coupled recurrence relations. In particular, we obtain a characterisation of those initial values which lead to a convergent solution, and for initial values satisfying a slightly stronger condition we obtain an optimal estimate on the rate of convergence. By establishing a connection with a related problem in continuous time, we are able to use this optimal estimate to improve the rate of convergence in the continuous setting obtained by the authors in a previous paper. We illustrate the power of the general approach by using it to study several concrete examples, both in continuous and in discrete time.
AB - This paper investigates the asymptotic behaviour of solutions to certain infinite systems of coupled recurrence relations. In particular, we obtain a characterisation of those initial values which lead to a convergent solution, and for initial values satisfying a slightly stronger condition we obtain an optimal estimate on the rate of convergence. By establishing a connection with a related problem in continuous time, we are able to use this optimal estimate to improve the rate of convergence in the continuous setting obtained by the authors in a previous paper. We illustrate the power of the general approach by using it to study several concrete examples, both in continuous and in discrete time.
KW - $C_0$-semigroups
KW - Asymptotic behaviour
KW - Power-boundeness
KW - Rates of convergence
KW - Recurrence relations
KW - Spectral theory
KW - System
U2 - 10.1007/s10884-016-9547-1
DO - 10.1007/s10884-016-9547-1
M3 - Article
VL - 30
SP - 433
EP - 445
JO - JOURNAL OF DYNAMICS AND DIFFERENTIAL EQUATIONS
JF - JOURNAL OF DYNAMICS AND DIFFERENTIAL EQUATIONS
SN - 1040-7294
IS - 2
ER -