Open AccessBounds for the sums of zeros of solutions ofu ( m ) = P ( z ) u <…
Author(s) -
Tingbin Cao,
Kai Liu,
Hong-Yan Xu
Publication year - 2011
Publication title -
electronic journal of qualitative theory of differential equations
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.524
H-Index - 33
ISSN - 1417-3875
DOI - 10.14232/ejqtde.2011.1.60
Subject(s) - computer science , mathematics
The main purpose of this paper is to consider the differential equation u = P (z)u (m ≥ 2) where P is a polynomial with complex, in general, coefficients. Let zk(u), k = 1, 2, . . . be the zeros of a nonzero solution u to that equation. We obtain bounds for the sums j
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