Results 21 to 30 of about 19,730 (191)

Galois connections between sets of paths and closure operators in simple graphs

open access: yesOpen Mathematics, 2018
For every positive integer n,we introduce and discuss an isotone Galois connection between the sets of paths of lengths n in a simple graph and the closure operators on the (vertex set of the) graph.
Šlapal Josef
doaj   +1 more source

An Explanation of the Landauer bound and its ineffectiveness with regard to multivalued logic

open access: yesTechnical Transactions, 2020
We discuss, using recent results on the thermodynamics of multivalued logic, the difficulties and pitfalls of how to apply the Landauer’s principle to thermodynamic computer memory models. The presentation is based on Szilard’s version of Maxwell’s demon
Kycia Radosław A.   +1 more
doaj   +1 more source

Galois Connections and Data Mining [PDF]

open access: yes, 2000
JUCS - Journal of Universal Computer Science Volume Nr.
Cristofor,Dana   +2 more
openaire   +2 more sources

A domain-theoretic investigation of posets of sub-sigma-algebras (extended abstract) [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2010
Given a measurable space (X, M) there is a (Galois) connection between sub-sigma-algebras of M and equivalence relations on X. On the other hand equivalence relations on X are closely related to congruences on stochastic relations.
Ingo Battenfeld
doaj   +1 more source

New directions in general fuzzy automata: a dynamic-logical view [PDF]

open access: yesAUT Journal of Mathematics and Computing, 2020
In the current study, by a general fuzzy automaton we aim at showing a set of propositions related to a given automaton showing that the truth-values are depended on thestates, inputs and membership values of active states at time t.
Khadijeh Abolpour   +2 more
doaj   +1 more source

Galois connections categorically

open access: yesJournal of Pure and Applied Algebra, 1990
This is an expansion of a previous paper [Lect. Notes Comput. Sci. 239, 122-134 (1986; Zbl 0615.06002)]. It is a somewhat discursive discussion of Galois connections in (briefly) partially ordered sets, concrete categories, and categories. In concrete categories the authors consider only Galois connections commuting with the forgetful functors, which ...
Herrlich, H., Hušek, M.
openaire   +2 more sources

Computing character degrees via a Galois connection [PDF]

open access: yesInternational Journal of Group Theory, 2015
In a previous paper, the second author established that, given finite fields ...
Mark L. Lewis , John K. McVey
doaj  

Self-Dual Normal Basis of a Galois Ring

open access: yesJournal of Mathematics, 2014
Let R′=GR(ps,psml) and R=GR(ps,psm) be two Galois rings. In this paper, we show how to construct normal basis in the extension of Galois rings, and we also define weakly self-dual normal basis and self-dual normal basis for R′ over R, where R′ is ...
Irwansyah   +3 more
doaj   +1 more source

The Order of Hypersubstitutions of Type (2,1)

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2011
Hypersubstitutions are mappings which map operation symbols to terms of the corresponding arities. They were introduced as a way of making precise the concept of a hyperidentity and generalizations to 𝑀-hyperidentities.
Tawhat Changphas, Wonlop Hemvong
doaj   +1 more source

Pair algebras and Galois connections [PDF]

open access: yesInformation Processing Letters, 1998
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +4 more sources

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