作者: S Kichenassamy , J Smoller
DOI: 10.1088/0951-7715/3/3/008
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摘要: The authors give a method for proving the existence of (positive) radial solutions quasi-linear elliptic equations taking into account variation lower-order terms. They find having oscillating nonlinearities under less restrictive conditions than those needed variational or topological methods. exhibit simple problems continuum solutions. also obtain invariant regions in C1 related parabolic problems.