Results 51 to 60 of about 264,510 (159)

Does Kirk's Theorem Hold for Multivalued Nonexpansive Mappings?

open access: yesFixed Point Theory and Applications, 2010
Fixed Point Theory for multivalued mappings has many useful applications in Applied Sciences, in particular, in Game Theory and Mathematical Economics.
Domínguez Benavides T, Gavira B
doaj  

Existence of fixed points of some classes of nonlinear mappings in spaces with weak uniform normal structure

open access: yesApplied Mathematical Sciences, 2015
In this paper, we prove some fixed point results for some classes of nonlinear mappings recently introduced by Okeke and Olaleru [5]. Our results improves several other known results in literature, including the results of Sahu et al. [8] and Sahu [7].
Okeke, G.A., Olabiyi, M.A.
openaire   +2 more sources

A Study of Process on Spheroidizing Structure of Martensite Stainless Steel 3Cr17Mo Improved by Double Pre-Cooling Heat Treatment

open access: yesTeshugang, 2017
According to the phenomenon of segregation and conglomeration of carbides in annealed steel 3Cr17Mo (/%: 0.25C, 16.5Cr, 0.60Mn, 0.60Si, 1.0Mo, 0.020P, 0.005S) , the orthogonal experiments and discrete data analysis on effect of pre-cooling heating ...
马卫东, 马亿珠
doaj  

Sufficient conditions for uniform normal structure of Banach spaces and their duals

open access: yesJournal of Mathematical Analysis and Applications, 2007
In general, having uniform normal structure is not a self-dual property of Banach spaces [\textit{M.\,A.\thinspace Smith} and \textit{B. Turett}, J.~Aust. Math. Soc., Ser. A 48, No. 2, 223--234 (1990; Zbl 0763.46013)]. However, in the paper under review, the author proves that several conditions known to imply uniform normal structure of a Banach space
openaire   +2 more sources

Evaluation of Structure Quality of Web from Electrospun Nanofibres

open access: yesAUTEX Research Journal, 2014
Electrospinning is remarkably a simple and versatile method for producing nanofibres. The diameter of nanofibres can vary from 10 nm to >1000 nm. In electrospinning, most of the attention is focused on producing fibres with a uniform diameter. It is very
Milašius Rimvydas   +1 more
doaj   +1 more source

Uniform convexity, normal structure and the fixed point property of metric spaces

open access: yesTopology and its Applications, 2015
A metric space \(X\) is said to have the fixed point property (FPP) if the existence of a bounded orbit under a group which acts by isometries on \(X\) implies the presence of a fixed point. The paper introduces a definition of uniform convexity that is applicable beyond geodesic metric spaces.
openaire   +2 more sources

Uniform non-squareness, uniform normal structure and Gao's constants [PDF]

open access: yesMathematical Inequalities & Applications, 2008
Fenghui Wang, Changsen Yang
openaire   +1 more source

Turbulent wake structure and dynamics for the thin flat plate normal to a uniform flow: a study of two dynamically stable solutions

open access: yes, 2021
This thesis presents a comparative experimental study of the differences in the structure and dynamics of two nominally two-dimensional turbulent wakes behind a thin flat plate placed normal to a uniform flow. The flows are differentiated by their end conditions: with and without end plates.
openaire   +2 more sources

Dark Cosmology and Its Origins

open access: yesZygon
This article reviews the standard model of cosmology: an expanding universe whose expansion is now accelerating, driven by dark energy (equivalent in practice to endowing the vacuum with a constant uniform energy density).
John A. Peacock
doaj   +2 more sources

Research on Mechanical Performance of CRTS III Plate-Type Ballastless Track Structure under Temperature Load Based on Probability Statistics

open access: yesAdvances in Civil Engineering, 2019
CRTS III (China Railway Track System III) slab ballastless track structure is one of the high-speed railway ballastless track structures which has Chinese independent intellectual property rights.
Zhiwu Yu, Ying Xie, Xiuquan Tian
doaj   +1 more source

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