A Morse lemma for degenerate critical points with low differentiability.
De Moura, Adriano A., De Souza, Fausto M. (2000)
Abstract and Applied Analysis
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De Moura, Adriano A., De Souza, Fausto M. (2000)
Abstract and Applied Analysis
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Andrzej Szulkin (1988)
Annales de l'I.H.P. Analyse non linéaire
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Yahya Ould Hamidoune, Oriol Serra, Gilles Zémor (2006)
Acta Arithmetica
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Perera, Kanishka (1998)
Abstract and Applied Analysis
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Ribarska, Nadezhda, Tsachev, Tsvetomir, Krastanov, Mikhail (1995)
Serdica Mathematical Journal
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∗Partially supported by Grant MM409/94 Of the Ministy of Science and Education, Bulgaria. ∗∗Partially supported by Grant MM442/94 of the Ministy of Science and Education, Bulgaria. Let M be a complete C1−Finsler manifold without boundary and f : M → R be a locally Lipschitz function. The classical proof of the well known deformation lemma can not be extended in this case because integral lines may not exist. In this paper we establish existence of deformations generalizing...
Zheng, Bo, Xiao, Huafeng, Shi, Haiping (2011)
Boundary Value Problems [electronic only]
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Li, Shujie, Su, Jiabao (1996)
Abstract and Applied Analysis
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Degiovanni, M., Lancelotti, S. (1996)
Serdica Mathematical Journal
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* Supported by Ministero dell’Università e della Ricerca Scientifica e Tecnologica (40% – 1993). ** Supported by Ministero dell’Università e della Ricerca Scientifica e Tecnologica (40% – 1993). The perturbation of critical values for continuous functionals is studied. An application to eigenvalue problems for variational inequalities is provided.
Yahya Ould Hamidoune (2011)
Acta Arithmetica
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Paul H. Rabinowitz (1978)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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Janusz Gwoździewicz, Maciej Sękalski (2004)
Annales Polonici Mathematici
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We construct a polynomial f:ℂ² → ℂ of degree 4k+2 with no critical points in ℂ² and with 2k critical values at infinity.