Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
841554 | Nonlinear Analysis: Theory, Methods & Applications | 2010 | 17 Pages |
Abstract
In this paper, we consider a class of resonant cooperative elliptic systems. Based on some new results concerning the computations of the critical groups and the Morse theory, we establish some new results about the existence and multiplicity of solutions under new classes of conditions. It turns out that our main results sharply improve some known results in the literature.
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Authors
Shiwang Ma,