Results 151 to 160 of about 530 (201)

General properties of the Yang-Mills equations in physical space. [PDF]

Proc Natl Acad Sci U S A, 1978
Segal IE.
europepmc   +1 more source

A computational theory of visual receptive fields. [PDF]

Biol Cybern, 2013
Lindeberg T.
europepmc   +1 more source

Note on Continuous Representations of Lie Groups. [PDF]

Proc Natl Acad Sci U S A, 1947
Gårding L.
europepmc   +1 more source

Rectangular groupoids and related structures.

Discrete Math, 2013
Boykett T.
europepmc   +1 more source

Structured Dynamics in the Algorithmic Agent. [PDF]

Entropy (Basel)
Ruffini G, Castaldo F, Vohryzek J.
europepmc   +1 more source

Comment on “A Strong Convergence of a Generalized Iterative Method for Semigroups of Nonexpansive Mappings in Hilbert Spaces”

Fixed Point Theory and Applications, 2011
Saber Naseri, Farman Golkarmanesh
doaj   +1 more source

On Asymptotically Nonexpansive Semigroups of Mappings

Canadian Mathematical Bulletin, 1970
A selfmapping f of a metric space (X, d) is nonexpansive (ε-nonexpansive) if d(f(x), f(y)) ≤ d(x, y) for all x, y ∊ X (respectively if d(x, y) < ε). In [1], M.
Holmes, R. D., Narayanaswami, P. P.
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Semigroups of order-preserving mappings

Communications in Algebra, 2000
The quasivariety consists of all [all finite] semigroups which can be embedded into a semigroup of order-preserving mappings on a chain [on a finite chain]. We give two abstract descriptions of , one using a special construction, and another using standard conditions (quasi-identities).
V.B. Repnitskiǐ, A. S. Vernitskiǐ
exaly   +2 more sources

Fixed point properties for semigroups of nonlinear mappings and amenability

Journal of Functional Analysis, 2012
In this paper we study fixed point properties for semitopological semigroup of nonexpansive mappings on a bounded closed convex subset of a Banach space. We also study a Schauder fixed point property for a semitopological semigroup of continuous mappings
Yong Zhang
exaly   +2 more sources

Stuctures of Ternary Semigroup of Mappings

Lobachevskii Journal of Mathematics, 2020
A nonempty set \(S\) together with a ternary operation \( (a,b,c) \mapsto abc\) is said to be a ternary semigroup if \((abc)de = a(bcd)e = ab(cde)\) for all \(a, b, c, d, e \in S\). The authors consider ternary semigroups of mappings and matrices. Let \(X\) and \(Y\) be two nonempty sets and \(T[X,Y]\) denote the set of all pairs \((p,q)\) where \(p ...
Kar, S., Dutta, I., Shum, K. P.
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