DOIAbstract
AbstractUsing a degree theory for countably 1-contractive operators, we show a surjectivity theorem for such quasibounded operators. Moreover, the existence of an eigenvalue for these operators is presented
AbstractUsing a degree theory for countably 1-contractive operators, we show a surjectivity theorem for such quasibounded operators. Moreover, the existence of an eigenvalue for these operators is presented
summary:Let $X$ be a real Banach space. A multivalued operator $T$ from $K$ into $2^X$ is said to be...
Let X be an infinite-dimensional real reflexive Banach space with dual space X∗ and G⊂X open and bou...
Let X be an infinite-dimensional real reflexive Banach space with dual space X∗ and G⊂X open and bou...
AbstractUsing a degree theory for countably 1-contractive operators, we show a surjectivity theorem ...
AbstractPetryshyn [W.V. Petryshyn, Remark on condensing and k-set-contractive mappings, J. Math. Ana...
AbstractIn this work, we prove several important inequalities, and investigate the solution of an op...
AbstractWe study increasing sequences of positive integers (nk)k⩾1 with the following property: ever...
summary:Surjectivity results of Fredholm alternative type are obtained for nonlinear operator equati...
Let X be a real infinite-dimensional Banach space and ψ a measure of noncompactness on X. Let Ω b...
AbstractWe construct a power bounded operator on a Hilbert space which is not quasisimilar to a cont...
AbstractWe give a generalization of Krasnoselskii’s eigenvalue theorem to countably condensing set-v...
summary:Surjectivity results of Fredholm alternative type are obtained for nonlinear operator equati...
Let X be an infinite-dimensional real reflexive Banach space with dual space X ∗ and G⊂ X open and b...
AbstractWe present new boundary conditions under which the fixed point index of a strict-ψ-contracti...
Let X be an infinite-dimensional real reflexive Banach space with dual space X ∗ and G⊂ X open and b...
summary:Let $X$ be a real Banach space. A multivalued operator $T$ from $K$ into $2^X$ is said to be...
Let X be an infinite-dimensional real reflexive Banach space with dual space X∗ and G⊂X open and bou...
Let X be an infinite-dimensional real reflexive Banach space with dual space X∗ and G⊂X open and bou...
AbstractUsing a degree theory for countably 1-contractive operators, we show a surjectivity theorem ...
AbstractPetryshyn [W.V. Petryshyn, Remark on condensing and k-set-contractive mappings, J. Math. Ana...
AbstractIn this work, we prove several important inequalities, and investigate the solution of an op...
AbstractWe study increasing sequences of positive integers (nk)k⩾1 with the following property: ever...
summary:Surjectivity results of Fredholm alternative type are obtained for nonlinear operator equati...
Let X be a real infinite-dimensional Banach space and ψ a measure of noncompactness on X. Let Ω b...
AbstractWe construct a power bounded operator on a Hilbert space which is not quasisimilar to a cont...
AbstractWe give a generalization of Krasnoselskii’s eigenvalue theorem to countably condensing set-v...
summary:Surjectivity results of Fredholm alternative type are obtained for nonlinear operator equati...
Let X be an infinite-dimensional real reflexive Banach space with dual space X ∗ and G⊂ X open and b...
AbstractWe present new boundary conditions under which the fixed point index of a strict-ψ-contracti...
Let X be an infinite-dimensional real reflexive Banach space with dual space X ∗ and G⊂ X open and b...
summary:Let $X$ be a real Banach space. A multivalued operator $T$ from $K$ into $2^X$ is said to be...
Let X be an infinite-dimensional real reflexive Banach space with dual space X∗ and G⊂X open and bou...
Let X be an infinite-dimensional real reflexive Banach space with dual space X∗ and G⊂X open and bou...
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