Results 81 to 90 of about 1,700,750 (206)

A Characterization of Affine Primal Topological Spaces Induced by Nilpotent Matrices

open access: yesInternational Journal of Mathematics and Mathematical Sciences
In this article, we prove that an n×n matrix A is nilpotent if and only if there exists an affine primal topology τ for Rn such that the space Rn,τ is both compact and connected.
Ebner Pineda, Luis Mejías, Jorge Vielma
doaj   +1 more source

$L^p$ Matrix Coefficients for Nilpotent Lie Groups

open access: yesRocky Mountain Journal of Mathematics, 1996
Suppose that \(G\) is a connected nilpotent Lie group. For any irreducible unitary representation \(\pi\) of \(G\), denote by \(N_\pi\) its kernel. The main theorem of the paper under review is that there exists \(p\) in \([2,\infty)\), depending only on \(G\), such that the matrix coefficients \(g\mapsto\langle\pi(g)\xi,\eta\rangle\) lie in \(L^p(G/N_\
Corwin, Lawrence, Moore, Calvin C.
openaire   +3 more sources

On simultaneously nilpotent fuzzy matrices

open access: yes, 2003
Nilpotent fuzzy matrices play a crucial role in the study of fuzzy matrices. In this paper, we shall extend the nilpotence to the notion of simultaneous nilpotence for a finite set of fuzzy matrices.
Pang, Chin-Tzong   +2 more
core   +1 more source

T-branes at the limits of geometry

open access: yesJournal of High Energy Physics, 2017
Singular limits of 6D F-theory compactifications are often captured by T-branes, namely a non-abelian configuration of intersecting 7-branes with a nilpotent matrix of normal deformations.
Lara B. Anderson   +3 more
doaj   +1 more source

On nilpotent subsemigroups of the matrix semigroup over an antiring

open access: yesLinear Algebra and its Applications, 2011
A semiring is an algebraic system \((R,+,\cdot)\) such that \((R,+)\) is a commutative semigroup with identity \(0\), \((R,\cdot)\) is a semigroup with identity \(1\), and ring-like distributivity holds. It is also assumed that \(0r=r0=0\) for all \(r\in R\) and that \(0\neq 1\).
openaire   +2 more sources

On Finite Nilpotent Matrix Groups over Integral Domains [PDF]

open access: yesISRN Algebra, 2013
We consider finite nilpotent groups of matrices over commutative rings. A general result concerning the diagonalization of matrix groups in the terms of simple conditions for matrix entries is proven. We also give some arithmetic applications for representations over Dedekind rings.
openaire   +1 more source

Nilpotent N-Lie Algebras

open access: yes, 2004
In 1986, Kasymov introduced the concept of nilpotent $n$-Lie algebras, proved an analogue of Engel's Theorem and later proved an analog of Jacobson's refinement of Engel's Theorem. Despite these achievements, the subject of nilpotency in $n$-Lie algebras
Williams, Michael Peretzian
core  

When is the numerical range of a nilpotent matrix circular? [PDF]

open access: yes, 2010
The problem formulated in the title is investigated. The case of nilpotent matrices of size at most 4 allows a unitary treatment. The numerical range of a nilpotent matrix M of size at most 4 is circular if and only if the traces tr M∗M2 and tr M∗M3 are ...
Matache, Valentin   +1 more
core  

Reduction of Neutrosophic Fuzzy Matrices Using Implication Operator [PDF]

open access: yesNeutrosophic Sets and Systems
This research explores the reduction of Neutrosophic Fuzzy Matrices (NFMs) and highlights their significant properties, focusing particularly on nilpotent NFMs.
K. Karuppiah   +5 more
doaj   +1 more source

Finite Matrix Groups over Nilpotent Group Rings

open access: yesJournal of Algebra, 1996
Let \(\mathbb{Z} H\) be the integral group ring of a group \(H\). The authors study the group \(\text{SGL}_n(\mathbb{Z} H)\) of matrices of augmentation one over the group ring \(\mathbb{Z} H\), and relate the torsion of \(\text{SGL}_n(\mathbb{Z} H)\) to the torsion of \(H\).
Marciniak, Zbigniew S.   +1 more
openaire   +2 more sources

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