Results 121 to 130 of about 60,494 (275)

Survey on comultiplication modules [PDF]

open access: yesSurveys in Mathematics and its Applications, 2019
The concept of comultiplication (as a dual notion of multiplication) modules was introduced and studied by H. Ansari-Toroghy and F. Farshadifar in 2007. This notion has obtained a great attention by many authors and now there is a considerable amount of ...
Habibollah Ansari-Toroghy   +1 more
doaj  

Polish topologies on endomorphism monoids of relational structures [PDF]

open access: green, 2022
L. Elliott   +4 more
openalex   +1 more source

The dynamic of a Lie group endomorphism

open access: yesOpen Mathematics, 2017
For a given endomorphism φ on a connected Lie group G this paper studies several subgroups of G that are intrinsically connected with the dynamic behavior of φ.
Ayala Víctor   +2 more
doaj   +1 more source

Properly stratified endomorphism algebras

open access: yesJournal of Algebra, 2005
The authors prove the following statement: Theorem. Let \(R\) be a commutative, local, self-injective algebra over an algebraically closed field. Let \({\mathcal X}=\{X(1)=R,X(2),\dots,X(n)\}\) be a sequence of local-colocal \(R\)-modules reflecting inclusions of the corresponding local ideals \(\underline X(i)\) of \(R\) (i.e. \(\underline X(i)\subset\
Chen, Xueqing, Dlab, Vlastimil
openaire   +1 more source

On geometry of sub-Riemannian η-Einstein manifolds

open access: yesДифференциальная геометрия многообразий фигур, 2019
On a sub-Riemannian manifold of contact type a connection with torsion is considered, called in the work a Ψ-connection. A Ψ-connection is a particular case of an N-connection.
S. Galaev
doaj   +1 more source

Endotypes of certain partial equivalence relations

open access: yesНауковий вісник Ужгородського університету. Серія: Математика і інформатика, 2017
We classify certain partial equivalence relations according to their type of an endomorphism.
О. О. Тоічкіна
doaj   +1 more source

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