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Showing papers by "Patricia J. Y. Wong published in 1995"


Journal ArticleDOI
TL;DR: In this article, sufficient conditions for the oscillation of all solutions of the perturbed difference equation (D(a"n"-"1(@Dy"n")-"1)^@s) + F(n, y"n) = G(n and y, n, y, y)n), n >= 1, as well as for the existence of a positive monotone solution of the damped difference equation.

35 citations


Journal ArticleDOI
TL;DR: In this paper, sufficient conditions for the existence of solutions for the boundary value problem were given. But these conditions were not sufficient for the problem of boundary value maximization in general.
Abstract: We offer sufficient conditions for the existence of solutions for the boundary value problem\(\begin{gathered} y(n) + f(t,y,y^1 ,...,y^{(n - 2)} = 0, 0 0, β, δ≥0, β+α>0 and δ+γ>0.

27 citations


Journal ArticleDOI
TL;DR: In this paper, the error bounds for derivatives of piecewise-Lidstone interpolation in L∞ and L2 norms were provided, which are best possible/sharp and supplement those established in earlier papers.

19 citations