LI Yanming, BAI Dingyong. Positive solutions of discrete Φ-Laplacian problems[J]. Acta Scientiarum Naturalium Universitatis SunYatseni, 2017,56(1):66-73.
LI Yanming, BAI Dingyong. Positive solutions of discrete Φ-Laplacian problems[J]. Acta Scientiarum Naturalium Universitatis SunYatseni, 2017,56(1):66-73.DOI:
The discrete Φ-Laplacian boundary problem 〖JB({〗〖HL(1〗Δ((Δu(k-1)))+λp(k)f(u(k))=0
k∈{1
2
…
T}
u(0)=u(T+1)=0〓〓〓〓〓〓〓〓〖HL)〗〖JB)〗 is studied
where T>5 is a given positive integer
λ is a nonnegative parameter and Φ is an odd and increasing homeomorphism from 〖WTHZ〗R〖WTBZ〗 onto 〖WTHZ〗R〖WTBZ〗. Applying the fixed point theorem in cones
it is proved under the weakened condition liminf〖DD(X〗u→∞〖DD)〗〖SX(〗f(u)〖〗(u)〖SX)〗∈(0
∞] that the problem has at least one positive solution for λ belonging to an explicit open interval.
关键词
离散Φ-Laplace问题正解半正问题
Keywords
discrete Φ-Laplacian problempositive solutionsemipositone problem