Results 211 to 220 of about 6,655 (246)

Volume Deformation Control of Concrete for Hydraulic Structures Using Polyurethane-Modified Polycarboxylate Superplasticizer: A Review. [PDF]

Materials (Basel)
Lu B, Chen J, Xiang S, Peng Z, Liu C, Ouyang Y, Li Y, Zhang J.   +7 more
europepmc   +1 more source

From kelp forests to turf reefs: Patterns, drivers, and impacts to functional diversity. [PDF]

Ecology
Farrell SP, Yiu DS, Ryan SK, Francolini RD, Stuart CE, Lefcheck JS, Shah Esmaeili YM, Rasher DB.   +7 more
europepmc   +1 more source

Hemispheric laterality of the putamen predicts pseudoneglect

Ghafari T, Katebi ME, Ghafari MH, Finch A, Garner K, Jensen O.   +5 more
europepmc   +1 more source

No Evidence for Stronger Brain–Behavior Associations in the Bimanual Motor Network of Older Adults

Novén M, Lundbye-Jensen J, Lundell H, Siebner HR, Karabanov AN.   +4 more
europepmc   +1 more source

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On Jensen’s functional equation on groups

Aequationes Mathematicae, 2003
The classical Jensen's functional equation is known as [see \textit{J. Aczél}, Lectures on functional equatons and their applications (Academic Press, London) (1966; Zbl 0139.09301)] \[ f\Biggl({x+y\over 2}\Biggr)= {f(x)+ f(y)\over 2} \] which with \(x= u+v\), \(y= u-v\) becomes \(f(u+ v)+ f(u- v)= 2f(u)\), transparent for generalization for a group ...
Henrik Stetkær, Stetkær Henrik
exaly   +3 more sources

A Pexider–Jensen functional equation on groups

Aequationes Mathematicae, 2005
Let \((G,\cdot)\) be a group, \((H,+)\) an abelian group, and \(f,g,h:G\to H.\) The Pexider-Jensen functional equation \[ f(x.y)+g(x.y^{-1})=h(x) \] is studied. The author obtains the solution of this equation on free groups and outlines a process to find the solution on other groups. Some results on Jensen's equation are extended. The results obtained
Che Ng, Ng Che Tat
exaly   +3 more sources

On the stability of a generalization of Jensen functional equation

Acta Mathematica Hungarica, 2017
The author uses the fixed point method to prove the stability and the hyperstability of a generalization of Jensen functional equation \[ \sum_{k=0}^{n-1}f(x+b_ky)=nf(x) \] in the setting of Banach spaces. Here \(n \geq 2\), \(b_k=\exp(2i\pi k/n)\) for \(0\leq k \leq n-1\).
Muaadh Almahalebi
exaly   +2 more sources

Jensen’s functional equation on semigroups

Acta Mathematica Hungarica, 2023
The author considers the functional equation \[f(x\varphi(y))+f(\psi(y)x)=2f(x), \quad x,y\in S,\tag{1}\] with \(s\colon S\to H\), \(S\) a semigroup, \(H\) a 2-torsion free abelian group and \(\varphi,\psi\colon S\to S\) endomorphisms.\par It is shown that under the assumption that \(\varphi\) or \(\psi\) is surjective the solutions of (1) are of the ...
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Fuzzy stability of the Jensen functional equation

Fuzzy Sets and Systems, 2008
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Alireza Kamel Mirmostafaee, Madjid Mirzavaziri, Mohammad Sal Moslehian   +2 more
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Jensen's functional equation on groups, III

Aequationes Mathematicae, 1999
[For part I see ibid. 39, No.1, 85-99 (1990; Zbl 0688.39007); see also \textit{J. C. Parnami} and \textit{H. L. Vasudeva}, ibid. 43, No. 2/3, 211-218 (1992; Zbl 0755.39008).] Let \((G,\cdot)\) be a group and \((H,+)\) an abelian group, and \(f:G\to H\) a mapping. Let \(e\) denote the identity of \(G\) and \(0\) that of \(H\).
openaire   +3 more sources