Articles with "multivalued perturbations" as a keyword



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The Degree of Compact Multivalued Perturbations of Fredholm Mappings of Positive Index and Its Application to a Certain Optimal Control Problem

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Published in 2017 at "Journal of Mathematical Sciences"

DOI: 10.1007/s10958-017-3379-3

Abstract: Earlier a topological characteristic of the degree type for multivalued perturbations of Fredholm mappings with zero index was constructed and it was assumed that the multivalued perturbation permits a single-valued approximation. In this paper, a… read more here.

Keywords: index; mappings positive; perturbations fredholm; fredholm mappings ... See more keywords
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Topological degree and atypical bifurcation results for a class of multivalued perturbations of Fredholm maps in Banach spaces

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Published in 2017 at "Fixed Point Theory"

DOI: 10.24193/fpt-ro.2017.1.08

Abstract: We obtain a global (atypical) bifurcation result for a semilinear inclusion problem in Banach spaces. The approach is topological, making use of a topological degree introduced by the second author for locally compact multivalued perturbations… read more here.

Keywords: banach spaces; fredholm maps; atypical bifurcation; multivalued perturbations ... See more keywords