Add to ORKGA study of extensions of groups: given 2 groups G and K, I study the groups E that have K as a normal subgroup such that G = E/K. It is related with exact sequences and group cohomology
AbstractBeyond groups of automorphisms in the category Gp of groups and Lie-algebras of derivations ...
AbstractLet R≠0 be a commutative ring, and let H be a subgroup of finite index in a group G. We prov...
In this note we apply a particular technique to obtain information on the homology homomorphism ε*: ...
A study of extensions of groups: given 2 groups G and K, I study the groups E that have K as a norma...
在這一篇文章中,我們考慮群擴張問題. 為了處理這個問題,我們用了在同調代數中的群擴張理論. 此外,我們還明確的寫出所有的2-cocycle.In this paper, we discuss the ...
Traballo Fin de Grao en Matemáticas. Curso 2020-2021[ES] El principal problema asociado a las extens...
Let 1→ N→ G→ H→ 1 be an abelian extension. The purpose of this paper is to study the problem of exte...
AbstractLet 1→N→G→H→1 be an abelian extension. The purpose of this paper is to study the problem of ...
Let 1-- • N-- • X-- • G • 1 be an extension of groups with N and G nilpotent. It is well known it is...
AbstractIn a previous paper we derived an expression for the differentials in the Lyndon–Hochschild–...
The problem of normal extensions in groups (see Kurosh [1] Chapter XII) has been studied in consider...
AbstractTo take care of the fact that a normal subgroup of a normal subgroup need not be normal in t...
AbstractIt is well known that the set of isomorphism classes of extensions of groups with abelian ke...
The present paper is an enlarged version of a talk given at the RIMS Meeting on Set Theoretic and Ge...
The isomorphism problem for groups given by their multiplication tables (GpI) has long been known to...
AbstractBeyond groups of automorphisms in the category Gp of groups and Lie-algebras of derivations ...
AbstractLet R≠0 be a commutative ring, and let H be a subgroup of finite index in a group G. We prov...
In this note we apply a particular technique to obtain information on the homology homomorphism ε*: ...
A study of extensions of groups: given 2 groups G and K, I study the groups E that have K as a norma...
在這一篇文章中,我們考慮群擴張問題. 為了處理這個問題,我們用了在同調代數中的群擴張理論. 此外,我們還明確的寫出所有的2-cocycle.In this paper, we discuss the ...
Traballo Fin de Grao en Matemáticas. Curso 2020-2021[ES] El principal problema asociado a las extens...
Let 1→ N→ G→ H→ 1 be an abelian extension. The purpose of this paper is to study the problem of exte...
AbstractLet 1→N→G→H→1 be an abelian extension. The purpose of this paper is to study the problem of ...
Let 1-- • N-- • X-- • G • 1 be an extension of groups with N and G nilpotent. It is well known it is...
AbstractIn a previous paper we derived an expression for the differentials in the Lyndon–Hochschild–...
The problem of normal extensions in groups (see Kurosh [1] Chapter XII) has been studied in consider...
AbstractTo take care of the fact that a normal subgroup of a normal subgroup need not be normal in t...
AbstractIt is well known that the set of isomorphism classes of extensions of groups with abelian ke...
The present paper is an enlarged version of a talk given at the RIMS Meeting on Set Theoretic and Ge...
The isomorphism problem for groups given by their multiplication tables (GpI) has long been known to...
AbstractBeyond groups of automorphisms in the category Gp of groups and Lie-algebras of derivations ...
AbstractLet R≠0 be a commutative ring, and let H be a subgroup of finite index in a group G. We prov...
In this note we apply a particular technique to obtain information on the homology homomorphism ε*: ...