Results 181 to 190 of about 2,211 (224)

Fredholm operator families -I

Integral Equations and Operator Theory, 1983
This paper is a continuation of a former one [ibid. 6, 853-862 (1983; Zbl 0522.47010)]. In this one, after considering bundles of subspaces of a topological vector space, we show how they appear as image or kernel of semi-Fredholm families. We also extend some well known results of holomorphic Fredholm families to the setting of topological vector ...
Jorge Cuéllar
exaly   +3 more sources

On the eigenvalues of the fredholm operator

Ukrainian Mathematical Journal, 1996
See the review in Zbl 0891.47034.
openaire   +1 more source

Fredholm Operator Manifolds

Journal of Mathematical Sciences
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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Generalized Fredholm operators

Archiv der Mathematik, 1985
The classical Fredholm theory in Banach spaces studies normally solvable operators with null space or conull space in F, the ideal of all finite dimensional Banach spaces. The aim of this paper is to study normally solvable operators with null space or conull space in an arbitrary space ideal A.
Alvarez, Teresa, Onieva, Victor M.
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The Fredholm Determinant for a Dirac Operator

Annals of Physics, 1994
The Fredholm determinant for a Dirac operator appropriate to a particle moving in one spatial dimension is investigated. The operator is written as \(H=p_ x\sigma_ 1+ m\sigma_ 3+ V(x)\), where \(p_ x\), \(m\) and \(V(x)\) are, respectively, the momentum, mass, and potential energy of the particle and the Pauli spin matrices, \(\sigma_ i\), constitute a
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On Fredholm Properties of Operator Products

Mathematical Proceedings of the Royal Irish Academy, 2003
An operator \(A\) acting on a Banach space \(X\) is called generalised Fredholm operator if there exists an operator \(S\) on \(X\) such that \(ASA=A\) and \(I-SA-AS\) is a Fredholm operator. These operators have been studied by the author in several previous papers.
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Compact and Fredholm Operators

1993
The operators in infinite dimensional spaces closest to operators in finite dimensional spaces are the compact operators, which will now be studied systematically. A large number of examples of compact operators are given in the exercises.
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On the index of pseudo B-Fredholm operator

Monatshefte Fur Mathematik, 2022
Hassan Zariouh
exaly  

Characterization of B-Fredholm Quotient Operator with Application to Strict Quasi-normal Contractions

Bulletin of the Iranian Mathematical Society, 2021
Nedra Moalla
exaly  

Nonlinear Fredholm Operators

2011
The theory of linear Fredholm operators will be used in this chapter to study onlinear elliptic problems. Nonlinear operators are called Fredholm operators if the corresponding linearized operators satisfy this property.
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