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Signed Young Modules and Simple Specht Modules

open access: yesAdvances in Mathematics, 2017
By a result of Hemmer, every simple Specht module of a finite symmetric group over a field of odd characteristic is a signed Young module. While Specht modules are parametrized by partitions, indecomposable signed Young modules are parametrized by ...
Danz, Susanne, Lim, Kay Jin
core   +3 more sources

Cohomology of simple modules for sl3(k) in characteristic 3 [PDF]

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы, 2021
In this paper we calculate cohomology of a classical Lie algebra of type A 2 over an algebraically field k of characteristic p = 3 with coefficients in simple modules.
A.A. Ibrayeva   +2 more
doaj   +2 more sources

On simple-direct modules

open access: yesCommunications in Algebra, 2020
Recently, in a series of papers "simple" versions of direct-injective and direct-projective modules have been investigated. These modules are termed as "simple-direct-injective" and "simple-direct-projective", respectively. In this paper, we give a complete characterization of the aforementioned modules over the ring of integers and over semilocal ...
Buyukasik, Engin   +2 more
  +11 more sources

Finite Dimensional Simple Modules over Some GIM Lie Algebras

open access: yesMathematics, 2022
GIM Lie algebras are the generalizations of Kac–Moody Lie algebras. However, the structures of GIM Lie algebras are more complex than the latter, so they have encountered many new difficulties to study their representation theory.
Limeng Xia, Dong Liu
doaj   +1 more source

On Cohomology of Simple Modules for Modular Classical Lie Algebras

open access: yesAxioms, 2022
In this article, we obtain some cohomology of classical Lie algebras over an algebraically closed field of characteristic p>h, where h is a Coxeter number, with coefficients in simple modules.
Sherali S. Ibraev   +2 more
doaj   +1 more source

Simple Restricted Modules for the Deformed 𝔟𝔪𝔰3 Algebra

open access: yesMathematics, 2023
In this paper, we construct a large class of simple restricted modules over the deformed 𝔟𝔪𝔰3 algebra ℬ, which contain the highest weight modules and Whittaker modules.
Qiu-Fan Chen
doaj   +1 more source

On simple modules with singular highest weights for so2l+1(K)

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы, 2022
In this paper, we study formal characters of simple modules with singular highest weights over classical Lie algebras of type B over an algebraically closed field of characteristic p ≥ h, where h is the Coxeter number. Assume that the highest weights of
Sh.Sh. Ibraev   +2 more
doaj   +1 more source

Strongly Maximal Submodules with A Study of Their Influence on Types of Modules

open access: yesIbn Al-Haitham Journal for Pure and Applied Sciences, 2022
Let S be a commutative ring with identity, and A is an S-module. This paper introduced an important concept, namely strongly maximal submodule. Some properties and many results were proved as well as the behavior of that concept with its localization was
Fatima M. Mohialdeen, Buthyna N. Shihab
doaj   +1 more source

Silting Complexes and Partial Tilting Modules

open access: yesMathematics, 2020
It is well known that a partial tilting module may not be completed to a tilting module. However, it is still unknown whether a partial tilting module can be completed to a silting complex. The affirmative answer to this question will give an affirmative
Jiaqun Wei
doaj   +1 more source

Cohomology of simple modules for algebraic groups

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы, 2020
In this paper, we consider questions related to the study of the cohomology of simple and simply connected algebraic groups with coefficients in simple modules. There are various calculating methods for them. One of the effective methods is to study the
Sh.Sh. Ibraev   +2 more
doaj   +1 more source

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