Results 71 to 80 of about 855 (128)
On a Nonlinear Integral Equation with Contractive Perturbation
Advances in Difference Equations, 2011 We get an existence result for solutions to a nonlinear integral equation with contractive perturbation by means of Krasnoselskii's fixed point theorem and especially the theory of measure of weak noncompactness.
Zhu Huan
doaj
Mathematical Methods in the Applied Sciences, Volume 48, Issue 14, Page 13456-13474, 30 September 2025.ABSTRACT We present sufficient conditions to obtain a generalized (φ,D)$$ \left(\varphi, \mathfrak{D}\right) $$‐pullback attractor for evolution processes on time‐dependent phase spaces, where φ$$ \varphi $$ is a given decay function and D$$ \mathfrak{D} $$ is a given universe.
Matheus Cheque Bortolan +3 more
wiley +1 more source
The Broken Phase of the Topological Sigma model
, 1994 The topological sigma model with the semi-infinite cigar-like target space (black hole geometry) is considered. The model is shown to possess unsuppressed instantons.
Yung, A. V.
core +1 more source
Communications on Pure and Applied Mathematics, Volume 78, Issue 9, Page 1656-1702, September 2025.Abstract Let (Mn,g)$(M^n,g)$ be a complete Riemannian manifold which is not isometric to Rn$\mathbb {R}^n$, has nonnegative Ricci curvature, Euclidean volume growth, and quadratic Riemann curvature decay. We prove that there exists a set G⊂(0,∞)$\mathcal {G}\subset (0,\infty)$ with density 1 at infinity such that for every V∈G$V\in \mathcal {G}$ there ...
Gioacchino Antonelli +2 more
wiley +1 more source
Exponential actions defined by vector configurations, Gale duality, and moment‐angle manifolds
Bulletin of the London Mathematical Society, Volume 57, Issue 9, Page 2571-2629, September 2025.Abstract Exponential actions defined by vector configurations provide a universal framework for several constructions of holomorphic dynamics, non‐Kähler complex geometry, toric geometry and topology. These include leaf spaces of holomorphic foliations, intersections of real and Hermitian quadrics, the quotient construction of simplicial toric ...
Taras Panov
wiley +1 more source
Asymptotic centers and fixed points for multivalued nonexpansive mappings [PDF]
, 2004 Let X be a nearly uniformly convex Banach space, C a convex closed bounded subset of X and T : C → 2 C a multivalued nonexpansive mapping with convex compact values. We prove that T has a fixed point.
Domínguez Benavides, Tomás +1 more
core
Global attractors for multivalued semiflows with weak continuity properties
, 2014 A method is proposed to deal with some multivalued semiflows with weak continuity properties. An application to the reaction-diffusion problems with nonmonotone multivalued semilinear boundary condition and nonmonotone multivalued semilinear source term ...
Kalita, P., Łukaszewicz, G.
core +1 more source
The FEBS Journal, Volume 292, Issue 15, Page 3960-3985, August 2025.Myelin is a multilayered proteolipid membrane in the nervous system. The lipid membranes are held together by specific proteins, and here, we studied three such proteins—P0, MBP, and P2. Our experiments show that the three proteins may act in synergy at the molecular level, while they also compete for lipid membrane surface binding.
Oda C. Krokengen +9 more
wiley +1 more source
The spatial distribution in infinite dimensional spaces and related quantiles and depths
, 2014 The spatial distribution has been widely used to develop various nonparametric procedures for finite dimensional multivariate data. In this paper, we investigate the concept of spatial distribution for data in infinite dimensional Banach spaces.
Chakraborty, Anirvan, Chaudhuri, Probal
core +1 more source
Experimental Investigation of an Earthquake‐Resistant Steel Bridge Substructure System
Earthquake Engineering &Structural Dynamics, Volume 54, Issue 8, Page 2009-2030, 10 July 2025.ABSTRACT The grouted shear stud connection has been experimentally shown to provide two‐column steel bridge bent systems with seismic resistance. It achieves this by relocating the plastic hinging to the column section, thereby mobilizing the full strength and ductility of the steel columns.
Arjun Jayaprakash +2 more
wiley +1 more source