Results 21 to 30 of about 16,063 (299)
Implicative Closure Operators [PDF]
International Journal of Fuzzy Logic and Intelligent Systems, 2008 In this paper, we investigate the properties of implicative closure operators on the stsc-quantale L. We find implicative closure operators induced by a function.
Yong Chan Kim, Jung Mi Ko
openaire +1 more source
Closure operators on algebras [PDF]
International Journal of Algebra and Computation, 2015 We study connections between closure operators on an algebra (A, Ω) and congruences on the extended power algebra defined on the same algebra. We use these connections to give an alternative description of the lattice of all subvarieties of semilattice ordered algebras.
Agata Pilitowska, Anna Zamojska-Dzienio
openaire +3 more sources
Classes of algebras and closure operations [PDF]
Communications in Algebra, 2021 The calculus of classes and closure operations has proved to be a useful tool in group theory and has led to a deep theory in the study of finite soluble groups. More recently, parallel theories have started to be developed in various varieties of algebras, such as Lie, Leibniz, and Malcev algebras.
I. S. Gutierrez +2 more
openaire +3 more sources
Improved inclusion-exclusion identities via closure operators [PDF]
Discrete Mathematics & Theoretical Computer Science, 2000 Let (A v) v ∈ V be a finite family of sets. We establish an improved inclusion-exclusion identity for each closure operator on the power set of V having the unique base property.
Klaus Dohmen
doaj +2 more sources
Connectivity with respect to α-discrete closure operators
Open Mathematics, 2022 We discuss certain closure operators that generalize the Alexandroff topologies. Such a closure operator is defined for every ordinal α>0\alpha \gt 0 in such a way that the closure of a set AA is given by closures of certain α\alpha -indexed sequences ...
Šlapal Josef
doaj +1 more source
On general closure operators and quasi factorization structures [PDF]
Categories and General Algebraic Structures with Applications, 2021 In this article the notions of quasi mono (epi) as a generalization of mono (epi), (quasi weakly hereditary) general closure operator $\mathbf{C}$ on a category $\mathcal{X}$ with respect to a class $\mathcal{M}$ of morphisms, and quasi factorization ...
Seyed Shahin Mousavi Mirkalai +2 more
doaj +1 more source
The Role of Soft θ-Topological Operators in Characterizing Various Soft Separation Axioms
Journal of Mathematics, 2022 This manuscript begins with an introduction to a soft θ-kernel operator. Then, the main properties and connections of this soft topological operator with other known soft topological operators are examined.
Zanyar A. Ameen +3 more
doaj +1 more source
Closure operators and projections on involution posets [PDF]
, 1974 Investigations of closure operators on an involution poset T lead to a certain type of closure operators (so called c-closure operators) that are closely related to projections on ...
Rüttimann, Gottfried T.
core +1 more source
Correctness of Closure Collapsing (appendix to conference submission) [PDF]
, 2006 A description in the Jacobs and Langen domain is a set of sharing groups where each sharing group is a set of program variables. The presence of a sharing group in a description indicates that all the variables in the group can be bound to terms that ...
Li, Xuan +5 more
core +1 more source
General method for including Stueckelberg fields
European Physical Journal C: Particles and Fields, 2021 A systematic procedure is proposed for inclusion of Stueckelberg fields. The procedure begins with the involutive closure when the original Lagrangian equations are complemented by all the lower order consequences.
S. L. Lyakhovich
doaj +1 more source