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pro vyhledávání: '"39A21, 39B05"'
Autor:
Braverman, Elena, Johnson, William T.
Publikováno v:
Appl. Math. Comput., Volume 355 (2019), 449-457
We consider existence of positive solutions for a difference equation with continuous time, variable coefficients and delays $$ x(t+1)-x(t)+ \sum_{k=1}^m a_k(t)x(h_k(t))=0, \quad a_k(t) \geq 0, ~~h_k(t) \leq t, \quad t \geq 0, \quad k=1, \dots, m. $$
Externí odkaz:
http://arxiv.org/abs/1904.12900
Autor:
William T. Johnson, Elena Braverman
We consider existence of positive solutions for a difference equation with continuous time, variable coefficients and delays $$ x(t+1)-x(t)+ \sum_{k=1}^m a_k(t)x(h_k(t))=0, \quad a_k(t) \geq 0, ~~h_k(t) \leq t, \quad t \geq 0, \quad k=1, \dots, m. $$
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::30130d8af4057b2c93e059b03b6947f6
http://arxiv.org/abs/1904.12900
http://arxiv.org/abs/1904.12900