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Displaying 361 – 380 of 659

On Riesz homomorphisms in unital $f$ -algebras

Elmiloud Chil (2009)

Mathematica Bohemica

The main topic of the first section of this paper is the following theorem: let $A$ be an Archimedean $f$ -algebra with unit element $e$ , and $T A \to A$ a Riesz homomorphism such that $T^{2} (f) = T (f T (e))$ for all $f \in A$ . Then every Riesz homomorphism extension $\tilde{T}$ of $T$ from the Dedekind completion $A^{δ}$ of $A$ into itself satisfies ${\tilde{T}}^{2} (f) = \tilde{T} (f T (e))$ for all $f \in A^{δ}$ . In the second section this result is applied in several directions. As a first application it is applied to show a result about extensions of positive projections to the Dedekind completion. A second application...

On Riesz homomorphisms in von Neumann regular f-algebra.

Elmiloud Chil (2004)

Extracta Mathematicae

On ring theoretic lattice modules

David Whitman (1971)

Fundamenta Mathematicae

On rings satisfying certain polynomial identities.

Maurer, I.Gy., Szigeti, J. (1990)

Mathematica Pannonica

On Semi-Boolean-Like Algebras

Antonio Ledda, Francesco Paoli, Antonino Salibra (2013)

Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica

In a previous paper, we introduced the notion of Boolean-like algebra as a generalisation of Boolean algebras to an arbitrary similarity type. In a nutshell, a double-pointed algebra $𝐀$ with constants $0, 1$ is Boolean-like in case for all $a \in A$ the congruences $θ (a, 0)$ and $θ (a, 1)$ are complementary factor congruences of $𝐀$ . We also introduced the weaker notion of semi-Boolean-like algebra, showing that it retained some of the strong algebraic properties characterising Boolean algebras. In this paper, we continue the investigation...

On semigroups of Boolean ring endomorphisms.

C.J. Maxson (1972)

Semigroup forum

On semigroups of $σ$ -endomorphisms

Iwanik, Anzelm (1976)

Abstracta. 4th Winter School on Abstract Analysis

On semimodular lattices of generating systems

Josef Dalík (1982)

Archivum Mathematicum

On semisimple classes of Abelian linearly ordered groups

Gabriela Pringerová (1983)

Časopis pro pěstování matematiky

On sensible fuzzy ideals of BCK-algebras with respect to a t-conorm.

Akram, M., Zhan, Jianming (2006)

International Journal of Mathematics and Mathematical Sciences

On separation properties in semilattices.

J.C. Varlet (1975)

Semigroup forum

On set-valued non-Boolean functions.

Tošić, Ratko, Čomić, Lidija (2000)

Novi Sad Journal of Mathematics

On skeletal and irreducible elements in tolerance lattices of finite distributive lattices

Josef Niederle (1982)

Časopis pro pěstování matematiky

On skew lattices. I.

Václav Slavík (1973)

Commentationes Mathematicae Universitatis Carolinae

On skew lattices. II.

Václav Slavík (1973)

Commentationes Mathematicae Universitatis Carolinae

On some algebras connected with the theory of harmony

Anna Romanowska (1979)

Colloquium Mathematicae

On some classes of BCH-algebras.

Chaudhry, Muhammad Anwar, Fakhar-Ud-Din, Hafiz (2001)

International Journal of Mathematics and Mathematical Sciences

On some completeness properties for lattice ordered groups

Ján Jakubík (1995)

Czechoslovak Mathematical Journal

On some connections between Boolean algebras and Heyting algebras

Dimitrii E. Pal'chunov, Alain Touraille (1992)

Annales scientifiques de l'Université de Clermont. Mathématiques

On some contributions to quantum structures by fuzzy sets

Beloslav Riečan (2007)

Kybernetika

It is well known that the fuzzy sets theory can be successfully used in quantum models ([5, 26]). In this paper we give first a review of recent development in the probability theory on tribes and their generalizations – multivalued (MV)-algebras. Secondly we show some applications of the described method to develop probability theory on IF-events.

Currently displaying 361 – 380 of 659

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