On a class of nonlinear eigenvalue problems
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Karl P. Hadeler (1974)
Acta Universitatis Carolinae. Mathematica et Physica
S. Rolewicz (1973)
Publications du Département de mathématiques (Lyon)
Ivan Singer (1973)
Studia Mathematica
Agnieszka Prusińska, Alexey Tret'yakov (2007)
Discussiones Mathematicae, Differential Inclusions, Control and Optimization
We investigate the existence of the solution to the following problem min φ(x) subject to G(x)=0, where φ: X → ℝ, G: X → Y and X,Y are Banach spaces. The question of existence is considered in a neighborhood of such point x₀ that the Hessian of the Lagrange function is degenerate. There was obtained an approximation for the distance of solution x* to the initial point x₀.
Robin Harte (1996)
Studia Mathematica
An exactness lemma offers a simplified account of the spectral properties of the "holomorphic" analogue of normal solvability.
Nair, M.T. (1999)
Zeitschrift für Analysis und ihre Anwendungen
J. Kisyński (1972)
Studia Mathematica
Igor Bock (1976)
Mathematica Slovaca
Jovan D. Kečkić (1978)
Publications de l'Institut Mathématique
J.D. Keckic (1978)
Publications de l'Institut Mathématique [Elektronische Ressource]
J.D. Keckic (1979)
Publications de l'Institut Mathématique [Elektronische Ressource]
J. D. Kečkić, M. S. Stanković (1982)
Publications de l'Institut Mathématique
Keckic, Jovan D. (1981)
Publications de l'Institut Mathématique. Nouvelle Série
Thaheem, A.B., Khan, Abdul Rahim (2001)
International Journal of Mathematics and Mathematical Sciences
Thaheem, A.B., Khan, A.R. (2004)
International Journal of Mathematics and Mathematical Sciences
Ioannis K. Argyros (1987)
Aequationes mathematicae
Giovanni Dore, Alberto Venni (1987)
Mathematische Zeitschrift
Dagmar Medková (1991)
Czechoslovak Mathematical Journal
Noboru Suzuki (1976)
Mathematische Annalen
Nieves Castro González (1995)
Collectanea Mathematica
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