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	An extension of the Hess-Kato Theorem to elliptic systems and its appications to multiple solution problems
	Chang, KC
	1999
关键词	the principal eigenvalue maximum principle cooperative indefinite weight
英文摘要	The Hess-Kato Theorem on the simplicity of the first eigenvalue of a second order elliptic operator is extended to elliptic systems. The theorem is applied to figure out the critical groups of a mountain pass point for functionals which have nonlinear ellipitic systems as Euler Lagrange Equations. A muliple solution result is obtained via the ordered Banach space method and the critical group calculations.; Mathematics, Applied; Mathematics; SCI(E); 中国科学引文数据库(CSCD); 25; ARTICLE; 4; 439-454; 15
语种	英语
出处	SCI
出版者	acta mathematica sinica english series
内容类型	其他
源URL	[http://hdl.handle.net/20.500.11897/214224]
专题	数学科学学院
推荐引用方式 GB/T 7714	Chang, KC. An extension of the Hess-Kato Theorem to elliptic systems and its appications to multiple solution problems. 1999-01-01.

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