Results 21 to 30 of about 118 (34)

A NOTE ON PSEUDO SYMMETRIC IDEALS OF PARTIALLY ORDERED TERNARY SEMIGROUPS [PDF]

open access: yes, 2023
In this article, we study some interesting properties of pseudo symmetric ideals and prime pseudo symmetric ideals in partially ordered ternary ...
Dattatray Shinde, Machchhindra Gophane
core   +1 more source

Linear Diophantine fuzzy sets over complex fuzzy information with applications in information theory

open access: yesAin Shams Engineering Journal
This article aims to link AG-groupoids and complex fuzzy set theory by constructing a method to rank complex fuzzy information, provide an alternative definition of CLDFS, and an algorithm for data encryption/decryption using AG-groupoids.
Faisal Yousafzai   +4 more
doaj   +1 more source

Note on quasivarieties generated by finite pointed abelian groups

open access: yesOpen Mathematics
We prove that a finite pointed abelian group generates a finitely axiomatizable variety that has a finite quasivariety lattice. As a consequence, we obtain that a quasivariety generated by a finite pointed abelian group has a finite basis of quasi ...
Basheyeva Ainur, Lutsak Svetlana
doaj   +1 more source

Closed approximate subgroups: compactness, amenability and approximate lattices

open access: yesForum of Mathematics, Sigma
We investigate properties of closed approximate subgroups of locally compact groups, with a particular interest for approximate lattices (i.e., those approximate subgroups that are discrete and have finite co-volume).
Simon Machado
doaj   +1 more source

Approximate subgroups of linear groups

open access: yes, 2010
We establish various results on the structure of approximate subgroups in linear groups such as SL_n(k) that were previously announced by the authors. For example, generalising a result of Helfgott (who handled the cases n = 2 and 3), we show that any ...
Breuillard, Emmanuel   +2 more
core   +1 more source

Stacky Lie groups

open access: yes, 2007
Presentations of smooth symmetry groups of differentiable stacks are studied within the framework of the weak 2-category of Lie groupoids, smooth principal bibundles, and smooth biequivariant maps.
Baez   +33 more
core   +4 more sources

THE HYPERBOLIC MENELAUS THEOREM IN THE POINCARE DISC MODEL OF HYPERBOLIC GEOMETRY [PDF]

open access: yes, 2013
In this note, we present the hyperbolic Menelaus theorem in the Poincar´e disc of hyperbolic ...
Barbu, Catalin, Smarandache, Florentin
core   +1 more source

A prismatic classifying space

open access: yes, 2018
A qualgebra $G$ is a set having two binary operations that satisfy compatibility conditions which are modeled upon a group under conjugation and multiplication. We develop a homology theory for qualgebras and describe a classifying space for it.
Carter, J. Scott   +2 more
core  

Commutativity of involutive two-valued groups

open access: yes
In 2022, V. M. Buchstaber, A. P. Veselov, and the author proved a number of classification results for involutive commutative two-valued groups, including a complete classification in the finitely generated case.
Gaifullin, Alexander A.
core  

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