Results 91 to 100 of about 27,468 (197)

Degree theory for 4‐dimensional asymptotically conical gradient expanding solitons

open access: yesCommunications on Pure and Applied Mathematics, Volume 79, Issue 5, Page 1151-1298, May 2026.
Abstract We develop a new degree theory for 4‐dimensional, asymptotically conical gradient expanding solitons. Our theory implies the existence of gradient expanding solitons that are asymptotic to any given cone over S3$S^3$ with non‐negative scalar curvature. We also obtain a similar existence result for cones whose link is diffeomorphic to S3/Γ$S^3/\
Richard H. Bamler, Eric Chen
wiley   +1 more source

On multipliers in weighted Sobolev spaces. Part II

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы, 2016
Let X, Y be Banach spaces whose elements are functions y : Ω → R. We say that a function z : Ω → R is apointwise multiplier on the pair (X, Y ), if T x = zx ∈ Y and the operator T : X → Y is bounded. M (X → Y )denotes the multiplier space on the pair (X,
A. Myrzagaliyeva
doaj  

Study of nonlinear anisotropic elliptic problems with non-local boundary conditions in weighted variable exponent Sobolev spaces

open access: yesResults in Applied Mathematics
This study investigates the existence of weak solutions for nonlinear anisotropic elliptic equations characterized by non-local boundary conditions within anisotropic weighted variable exponent Sobolev spaces. By employing variational methods and compact
Soumia EL OMARI, Said Melliani
doaj   +1 more source

In‐and‐Out: Algorithmic Diffusion for Sampling Convex Bodies

open access: yesRandom Structures &Algorithms, Volume 68, Issue 3, May 2026.
ABSTRACT We present a new random walk for uniformly sampling high‐dimensional convex bodies. It achieves state‐of‐the‐art runtime complexity with stronger guarantees on the output than previously known, namely in Rényi divergence (which implies TV, 𝒲2, KL, χ2$$ {\chi}^2 $$).
Yunbum Kook   +2 more
wiley   +1 more source

Some Remarks on Spaces of Morrey Type

open access: yesAbstract and Applied Analysis, 2010
We deepen the study of some Morrey type spaces, denoted by Mp,λ(Ω), defined on an unbounded open subset Ω of ℝn. In particular, we construct decompositions for functions belonging to two different subspaces of Mp,λ(Ω), which allow us to prove a ...
Loredana Caso   +2 more
doaj   +1 more source

Generalizations of Troisi’s inequality in weighted p-Sobolev spaces with singularities

open access: yesJournal of Inequalities and Applications, 2019
We extend classical Troisi’s inequality to the weighted p-Sobolev spaces on stretched cone, edge, and corner respectively. The results here can be used to investigate anisotropic elliptic equations involving cone degeneracy, edge degeneracy, and corner ...
Hua Chen, Yong Luo, Jing Wang
doaj   +1 more source

Fourier Multipliers on Triebel-Lizorkin-Type Spaces

open access: yesJournal of Function Spaces and Applications, 2012
The authors study the mapping properties of Fourier multipliers, with symbols satisfying some generalized Hörmander's condition, on Triebel- Lizorkin-type spaces and Triebel-Lizorkin-Hausdorff spaces.
Dachun Yang, Wen Yuan, Ciqiang Zhuo
doaj   +1 more source

A Kind of Estimate of Difference Norms in Anisotropic Weighted Sobolev-Lorentz Spaces

open access: yesJournal of Inequalities and Applications, 2009
We investigate the functions spaces on ℝn for which the generalized partial derivatives Dkrkf exist and belong to different Lorentz spaces Λpk,sk(w), where pk>1 and w is nonincreasing and satisfies some special conditions.
Jiecheng Chen, Hongliang Li
doaj   +1 more source

Variational formulation for a nonlinear elliptic equation in a three-dimensional exterior domain [PDF]

open access: yes
An existence result was obtained for a nonlinear second-order equation in an exterior domain of IR(3).
Bernardi, Christine   +2 more
core   +1 more source

Well-posedness results for the 3D Zakharov-Kuznetsov equation

open access: yes, 2011
We prove the local well-posedness of the three-dimensional Zakharov-Kuznetsov equation $\partial_tu+\Delta\partial_xu+ u\partial_xu=0$ in the Sobolev spaces $H^s(\R^3)$, $s>1$, as well as in the Besov space $B^{1,1}_2(\R^3)$.
Ribaud, Francis, Vento, Stéphane
core   +1 more source

Home - About - Disclaimer - Privacy