Results 31 to 40 of about 10,912 (293)

On maximal parabolic regularity for non-autonomous parabolic operators [PDF]

open access: yes, 2016
We consider linear inhomogeneous non-autonomous parabolic problems associated to sesquilinear forms, with discontinuous dependence of time. We show that for these problems, the property of maximal parabolic regularity can be extrapolated to time ...
ter Elst, A. F. M.   +6 more
core   +1 more source

Semilinear Evolution Equations of Second Order via Maximal Regularity

open access: yesAdvances in Difference Equations, 2008
This paper deals with the existence and stability of solutions for semilinear second-order evolution equations on Banach spaces by using recent characterizations of discrete maximal regularity.
Lizama Carlos, Cuevas Claudio
doaj   +2 more sources

A characterization of regular maximal ideals [PDF]

open access: yesPacific Journal of Mathematics, 1969
We show that if A is generated by a single element then a closed subspace M of codimension one in A and satisfying (1) is a regular maximal ideal and we show by an example that this result may fail for an algebra which is generated two elements. We have results related to the above, which can be applied to Lι(G), where G is a locally compact abelian ...
Warner, C. Robert, Whitley, Robert
openaire   +2 more sources

Maximal Product of Graphs under Vague Environment

open access: yesMathematical and Computational Applications, 2020
Graph models are found everywhere in natural and human made structures, including process dynamics in physical, biological and social systems. The product of graphs are appropriately used in several combinatorial applications and in the formation of ...
Behnaz Sheikh Hoseini   +4 more
doaj   +1 more source

Compressions of resolvents and maximal radius of regularity [PDF]

open access: yesTransactions of the American Mathematical Society, 1999
Suppose that λ −
Badea, Catalin, Mbekhta, Mostafa
openaire   +3 more sources

Regularity of one-sided multilinear fractional maximal functions

open access: yesOpen Mathematics, 2018
In this paper we introduce and investigate the regularity properties of one-sided multilinear fractional maximal operators, both in continuous case and in discrete case.
Liu Feng, Xu Lei
doaj   +1 more source

Exponential self-similar mixing and loss of regularity for continuity equations [PDF]

open access: yes, 2014
We consider the mixing behaviour of the solutions of the continuity equation associated with a divergence-free velocity eld. In this announcement we sketch two explicit examples of exponential decay of the mixing scale of the solution, in case of Sobolev
Crippa, Gianluca   +5 more
core   +1 more source

Endpoint regularity of discrete multilinear fractional nontangential maximal functions

open access: yesAdvances in Difference Equations, 2019
Given m≥1 $m\geq 1$, 0≤λ≤1 $0\leq \lambda \leq 1$, and a discrete vector-valued function f→=(f1,…,fm) $\vec{f}=(f_{1},\ldots,f_{m})$ with each fj:Zd→R $f_{j}:\mathbb{Z} ^{d}\rightarrow \mathbb{R}$, we consider the discrete multilinear fractional ...
Daiqing Zhang
doaj   +1 more source

Sobolev Regularity of Multilinear Fractional Maximal Operators on Infinite Connected Graphs

open access: yesMathematics, 2021
Let G be an infinite connected graph. We introduce two kinds of multilinear fractional maximal operators on G. By assuming that the graph G satisfies certain geometric conditions, we establish the bounds for the above operators on the endpoint Sobolev ...
Suying Liu, Feng Liu
doaj   +1 more source

Maximal Solutions of Sparse Analysis Regularization [PDF]

open access: yesJournal of Optimization Theory and Applications, 2018
This paper deals with the non-uniqueness of the solutions of an analysis-Lasso regularization. Most of previous works in this area is concerned with the case where the solution set is a singleton, or to derive guarantees to enforce uniqueness. Our main contribution consists in providing a geometrical interpretation of a solution with a maximal D ...
Barbara, Abdessamad   +2 more
openaire   +4 more sources

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