Results 141 to 150 of about 143,321 (277)

Controllability of Fractional Integro-Differential Equations with Delays and Singular Kernels in Fréchet Spaces

open access: yesMathematics
This paper is devoted to the investigation of existence and approximate controllability results for a class of fractional integro-differential equations formulated in Fréchet spaces.
Fatima Mesri   +2 more
doaj   +1 more source

Weighted pseudo-almost periodic solutions for some neutral partial functional differential equations

open access: yesElectronic Journal of Differential Equations, 2012
In this article we study the existence of weighted pseudo almost periodic solutions of an autonomous neutral functional differential equation with Stepanov-Weighted pseudo almost periodic terms in a Banach space.
Mondher Damak   +2 more
doaj  

On Positive Semigroups

open access: yesPublications of the Research Institute for Mathematical Sciences, 1984
We prove versions of the Feller-Miyadera-Phillips theorem characterizing the generators of positive _C_0- and _C_0*-semigroups on ordered Banach spaces, for which the norm and dual norm are monotonic. Two proofs are given. The first is based on half-norm theory whilst the second exploits the existence of an equivalent Riesz norm.
openaire   +3 more sources

On ultimately nonexpansive semigroups [PDF]

open access: bronze, 1982
Michael Edelstein, Mo Tak Kiang
openalex   +1 more source

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