نتایج جستجو برای: ‎‎uniformly $tau_s$

تعداد نتایج: 34001  

Journal: :bulletin of the iranian mathematical society 2015
s. maghsoudi a. rejali

in this paper, we first introduce some function spaces, with certain locally convex topologies, closely  related to the space of real-valued continuous functions on $x$,  where $x$ is a $c$-distinguished topological space. then, we show that their dual spaces can be identified in a natural way with certain spaces of radon measures.

Journal: :Physica Status Solidi B-basic Solid State Physics 2022

Circularly polarized photoluminescence (PL) spectroscopy measured at 19 K on GaAs/AlGaAs symmetric and asymmetric double quantum wells (DQW) is reported. The PL obtained by exciting the sample with a circularly (left or right) laser in order to create an initial unbalanced distribution of electron spins conduction band and, this way, obtain spin lifetime $\tau_s$. effects excitation wavelength ...

Journal: :Proceedings of the ... AAAI Conference on Artificial Intelligence 2021

At the working heart of policy iteration algorithms commonly used and studied in discounted setting reinforcement learning, evaluation step estimates value states with samples from a Markov reward process induced by following decision process. We propose simple efficient estimator called loop that exploits regenerative structure processes without explicitly estimating full model. Our method enj...

Journal: :The Astrophysical Journal 2022

Radio images of protoplanetary disks demonstrate that dust grains tend to organize themselves into rings. These rings may be a consequence trapping within gas pressure maxima wherein the local high dust-to-gas ratio is expected trigger formation planetesimals and eventually planets. We revisit behavior near perturbations enforced by planet in two-dimensional, shearing box simulations. While col...

2014
BASHIR ALI

We prove strong convergence theorem for infinite family of uniformly L−Lipschitzian total quasi-φ-asymptotically nonexpansive multi-valued mappings using a generalized f−projection operator in a real uniformly convex and uniformly smooth Banach space. The result presented in this paper improve and unify important recent results announced by many authors.

In this paper, we first introduce some function spaces, with certain locally convex topologies, closely  related to the space of real-valued continuous functions on $X$,  where $X$ is a $C$-distinguished topological space. Then, we show that their dual spaces can be identified in a natural way with certain spaces of Radon measures.

Journal: :Journal of Approximation Theory 2013
David E. Edmunds Jan Lang

In general, the Gelfand widths cn(T ) of a map T between Banach spaces X and Y are not equivalent to the Gelfand numbers cn(T ) of T . We show that cn(T ) = cn(T ) (n ∈ N) provided that X and Y are uniformly convex and uniformly smooth, and T has trivial kernel and dense range. c ⃝ 2012 Elsevier Inc. All rights reserved.

2014
Allan Pinkus

Article history: Received 2 April 2014 Available online 2 July 2014 Submitted by P. Nevai

2010
Julio Becerra Guerrero Angel Rodriguez Palacios

Almost transitive superreflexive Banach spaces have been considered in [7] (see also [4] and [6]), where it is shown that such spaces are uniformly convex and uniformly smooth. We prove that convex transitive Banach spaces are either almost transitive and superreflexive (hence uniformly smooth) or extremely rough. The extreme roughness of a Banach space X means that, for every element u in the ...

2010
Sun Young Cho Shin Min Kang

The purpose of this paper is to consider an iterative method for an equilibrium problem and a family relatively nonexpansive mappings. Weak convergence theorems are established in uniformly smooth and uniformly convex Banach spaces.

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