Forbidden paths and cycles in ordered graphs and matrices |
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Authors: | János Pach Gábor Tardos |
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Institution: | (1) Institute of Applied Mathematics, Academy of Mathematics and Systems Science Chinese Academy of Sciences, 100080 Beijing, P. R. of China |
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Abstract: | Assume
% MathType!End!2!1! and let Ω⊂R
N(N≥4) be a smooth bounded domain, 0∈Ω. We study the semilinear elliptic problem:
% MathType!End!2!1!. By investigating the effect of the coefficientQ, we establish the existence of nontrivial solutions for any λ>0 and multiple positive solutions with λ,μ>0 small. |
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Keywords: | |
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