Results 31 to 40 of about 1,191 (241)
Solvability of Parametric Elliptic Systems with Variable Exponents
Moroccan Journal of Pure and Applied Analysis, 2023 In this paper, we study the solvability to the left of the positive infimum of all eigenvalues for some non-resonant quasilinear elliptic problems involving variable exponents.
Ouannasser Anass +1 more
doaj +1 more source
Journal of Approximation Theory, 2000 Let \(S\) be a set, let \(X\), \(Y\) be Banach spaces, and let \(\varepsilon\geq 0\) be arbitrary. We say that a function \(f: S\to X\) is \(\varepsilon\)-onto if \(\forall_{x\in X} \exists_{s\in S}\|x-f(s)\|\leq \varepsilon\). Cleary a given function is \(0\)-onto iff it is a surjection. A Banach space \(X\) is said to have property (D) if every dense
openaire +2 more sources
On the surjective Dunford-Pettis Property [PDF]
Mathematische Zeitschrift, 1990 A Banach space E has the Dunford-Pettis property if every operator from E into a reflexive Banach space is a Dunford-Pettis operator. D. Leung [Math. Z. 197, 21-32 (1988] introduced a formally weaker property, the surjective Dunford-Pettis property, by imposing that every operator from E onto a reflexive Banach space is Dunford-Pettis. This property is
Mendoza, José +2 more
openaire +2 more sources
Strong surjectivity is equivalent to C-injectivity
, 1982 In this paper, it is established that strong surjectivity of parallel maps for cellular automata is equivalent to C-injectivity of parallel maps. Furthermore, other necessary and sufficient conditions for strong surjectivity are given.
Akira Maruoka +3 more
core +1 more source
On the surjectivity of linear transformations
International Journal of Mathematics and Mathematical Sciences, 1996 Let B be a reflexive Banach space, X a locally convex space and T:B→X (not necessarily bounded) linear transformation. A necessary and sufficient condition is obtained so that for a given v∈X there is a solution for the equation Tu=v. This result is used
M. Damlakhi, V. Anandam
doaj +1 more source
Surjectivity of the asymptotic borel map in Carleman–Roumieu ultraholomorphic classes defined by regular sequences [PDF]
, 2021 Producción CientíficaWe study the surjectivity of, and the existence of right inverses for, the asymptotic Borel map in Carleman–Roumieu ultraholomorphic classes defined by regular sequences in the sense of E. M. Dyn’kin.
Schindl, Gerhard +4 more
core +1 more source
Mathematics, 2019 When finding an original proof to a known result describing expansive mappings on compact metric spaces as surjective isometries, we reveal that relaxing the condition of compactness to total boundedness preserves the isometry property and nearly that of
Marat V. Markin, Edward S. Sichel
doaj +1 more source
Some undecidable problems about the trace-subshift associated to a Turing machine [PDF]
Discrete Mathematics & Theoretical Computer Science, 2015 We consider three problems related to dynamics of one-tape Turing machines: Existence of blocking configurations, surjectivity in the trace, and entropy positiveness. In order to address them, a reversible two-counter machine is simulated by a reversible
Anahí Gajardo +2 more
doaj +1 more source
SURJECTIVE VISUAL SENSATIONS [PDF]
The American Journal of the Medical Sciences, 1896 n ...
openaire +1 more source
Noncoercive Perturbed Densely Defined Operators and Application to Parabolic Problems
Abstract and Applied Analysis, 2015 Let X be a real locally uniformly convex reflexive separable Banach space with locally uniformly convex dual space X∗. Let T:X⊇D(T)→2X∗ be maximal monotone and S:X⊇D(S)→X∗ quasibounded generalized pseudomonotone such that there exists a real reflexive ...
Teffera M. Asfaw
doaj +1 more source