Results 41 to 50 of about 241,064 (135)

Identities in the Algebra of Partial Maps [PDF]

open access: yes, 2005
We consider the identities of a variety of semigroup-related algebras modelling the algebra of partial maps. We show that the identities are intimately related to a weak semigroup deductive system and we show that the equational theory is decidable.
Marcel Jackson   +3 more
core   +1 more source

REGULAR ELEMENTS AND GREEN'S RELATIONS IN POWER MENGER ALGEBRAS OF TERMS

open access: yesDemonstratio Mathematica, 2008
AbstractSets of terms of ...
K. Denecke, P. Glubudom
openaire   +1 more source

Ethics and economics in Karl Menger: how did social sciences cope with Hilbertism [PDF]

open access: yes
This paper deals with the contributions made to the social sciences by the mathematician Karl Menger (1902-1985), the son of the more famous economist, Carl Menger. Mathematician and a logician, he focused on whether it was possible to explain the social
Becchio Giandomenica
core  

Carl Menger entre Aristote et Hayek

open access: yes, 2008
Vienne, haut lieu des ruptures de la modernité avec Wittgenstein, Freud, Loos… et Carl Menger (1840-1921), l’auteur des Principes d’économie politique.
Campagnolo, Gilles
core   +1 more source

Linear Algebra [PDF]

open access: yes, 2012
Linear algebra occupies a central place in modern mathematics. Also, it is a beautiful and mature field of mathematics, and mathematicians have developed highly effective methods for solving its problems.

core   +2 more sources

Abstract Algebra II

open access: yes, 2012
This Saylor course is an extension of abstract algebra I and revisits structures like groups, rings and fields as well as mappings like homomorphisms and isomorphisms.
algebra, The Saylor Foundation
core  

Carl Menger and Friedrich von Wieser on the Role of Knowledge and Beliefs in the Emergence and Evolution of Institutions [PDF]

open access: yes
In this article we start from the well-known contribution of the Austrian school with respect to the problem of knowledge and its role in inter- individual coordination.
Agnès Festré,
core  

DMA:an algebra for multicriteria spatial modeling [PDF]

open access: yes, 2006
The objective of this paper is to propose a new algebra, called decision map algebra (DMA), especially devoted to multicriteria spatial modeling. DMA is a generic and context-independent modeling language inspired from map algebra and other similar ...
Chakhar, Salem, Mousseau, Vincent
core   +1 more source

Menger hypercompositional algebras represented by medial n-ary hyperoperations

open access: yesQuasigroups and Related Systems, 2023
The necessary and sufficient conditions under which a Menger algebra can be isomorphically represented by medial n-ary operations are proposed. Since a Menger hypercompositional algebra can be regarded as a generalization of a Menger algebra, for this reason, the situation for medial hyperoperations is further examined and a representation theorem of ...
openaire   +1 more source

Menger Algebras of Alternating Terms

open access: yesEuropean Journal of Pure and Applied Mathematics
Let $\tau_{n} = (n_i)_{i \in I}$ be a particular language (type) of algebras such that $n_i = n$ for all $i$ in $I$; $n$ is a positive integer. This paper aims to introduce \(n\)-ary alternating terms (alt-terms) of type \(\tau_n\), based on the alternating group \(Alt(n)\) of degree \(n\). We demonstrate that the set of all \(n\)-ary alternating terms
openaire   +1 more source

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