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Browsing by Author "Angelov, Vasil Georgiev"
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A zero of a proper mapping
Soriano Arbizu, José María; Angelov, Vasil Georgiev (Casa Cărţii de Ştiinţă Cluj-Napoca, 2003)Sufficient conditions are given to assert that a differentiable proper Fredholm mapping between Banach spaces over K = R or K = C has a zero. The proof of the result is constructive and is based upon continuation methods.