By using the contraction mapping principle, the boundary value problems for a second order functional difference equation are investigated.

利用压缩映照定理，研究了一个二阶泛函差分方程边值问题，得到存在和唯一性定理。

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By using the contraction mapping principle, the boundary value problems for a second order functional difference equation are investigated. Existence and uniqueness results are obtained.

利用压缩映照定理，研究了一个二阶泛函差分方程边值问题，得到存在和唯一性定理。

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This paper describes the asymptotic and oscillatory properties of solutions of initial boundary value problems of linear and semilinear parabolic equations of second and fourth order.

本文考虑一类二阶及四阶线性和半线性抛物方程初边值问题的解的渐近性与振荡性。

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