On periodic solutions of linear differential-difference equations with constant coefficients
D. Przeworska-Rolewicz (1968)
Studia Mathematica
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D. Przeworska-Rolewicz (1968)
Studia Mathematica
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Ion Zaballa, Juan-Miguel Gracia (1983)
Aplikace matematiky
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The paper deals with the reduction of a linear homogeneous periodic system in differences (recurrence relations) to another linear homogeneous system with constant coefficients. This makes it possible to study the existence and properties of periodic solutions, the asymptotic behavior, and to obtain all solutions in closed form.
Ryszard Musielak, Jerzy Popenda (1988)
Publicacions Matemàtiques
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Periodic and asymptotically periodic solutions of the nonlinear equation Δx + af(x) = 0, n ∈ N, are studied.
Ana Paula Martins, Helena Ferreira (2004)
SORT
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We define a family of local mixing conditions that enable the computation of the extremal index of periodic sequences from the joint distributions of k consecutive variables of the sequence. By applying results, under local and global mixing conditions, to the (2m - 1)-dependent periodic sequence Xn (m) = Σj=-m m-1 cjZn-j, n ≥ 1, we compute...
S. Zaidman (1972)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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Paulina Pych-Taberska (1990)
Studia Mathematica
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