✦ LIBER ✦

Positive periodic solutions for an integrodifferential model of mutualism

✍ Scribed by Yongkun Li; Guitong Xu

Publisher: Elsevier Science
Year: 2001
Tongue: English
Weight: 317 KB
Volume: 14
Category: Article
ISSN: 0893-9659
DOI: 10.1016/s0893-9659(00)00188-9

No coin nor oath required. For personal study only.

✦ Synopsis

Commumcated by M Slemrod

Abstract--Sufficient conditions are obtained for the existence of positive penodm solutions of the followmg mtegrodtfferentml model of mutuahsm

s)ds K2(t) + c~2(t) dl(s)Nl(t -s) ds dN2(t) _ r2(t)N2(t) . ---~ .... N2(t -a2(t)) , dt [ 1+/0 Jl(S)Nl(t-s)ds

where r~,K~,a~,a~, ~ = 1,2 are positive continuous w-permdm functmns, a~ > K~, z = 1,2, J~ E C([0, c~], [0, c~)), and /o J~(s) ds = 1, z = 1, 2

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