Results 11 to 20 of about 8,246 (157)

The Polarization Theorem and Polynomial Identities for Matrix Functions

open access: yesИзвестия Иркутского государственного университета: Серия "Математика", 2017
In this article the simple combinatorial proof of the known polarization theorem (about the restoration of a polyadditive symmetric function over its values on a diagonal) is given.
G.P. Egorychev
doaj   +1 more source

Applications of the Fuglede-Kadison determinant: Szegö’s theorem and outers for noncommutative $H^p$ [PDF]

open access: yesTransactions of the American Mathematical Society, 2008
We first use properties of the Fuglede-Kadison determinant on $L^p(M)$, for a finite von Neumann algebra $M$, to give several useful variants of the noncommutative Szeg theorem for $L^p(M)$, including the one usually attributed to Kolmogorov and Krein.
Blecher, David P., Labuschagne, Louis E.
openaire   +3 more sources

Some special types of determinants in graded skew P BW extensions.

open access: yesRevista Integración, 2021
In this paper, we prove that the Nakayama automorphism of a graded skew PBW extension over a finitely presented Koszul Auslanderregular algebra has trivial homological determinant.
Héctor Suárez   +2 more
doaj  

Cramer’s rules for the system of quaternion matrix equations with η-Hermicity

open access: yes4 open, 2019
The system of two-sided quaternion matrix equations with η-Hermicity, A1XA1η* = C1 A 1 X A 1 η * = C 1 $ {\mathbf{A}}_1\mathbf{X}{\mathbf{A}}_1^{\eta \mathrm{*}}={\mathbf{C}}_1$ , A2XA2η* = C2 A 2 X A 2 η ...
Kyrchei Ivan I.
doaj   +1 more source

Innerness of derivations into noncommutative symmetric spaces is determined commutatively

open access: yes, 2023
Let $E=E(0,\infty)$ be a symmetric function space and $E(\mathcal{M},τ)$ be a symmetric operator space associated with a semifinite von Neumann algebra with a faithful normal semifinite trace. Our main result identifies the class of spaces $E$ for which every derivation $δ:\mathcal{A}\to E(\mathcal{M},τ)$ is necessarily inner for each $C^*$-subalgebra $
Huang, Jinghao, Sukochev, Fedor
openaire   +2 more sources

THE NONCOMMUTATIVE A-IDEAL OF A (2, 2p + 1)-TORUS KNOT DETERMINES ITS JONES POLYNOMIAL [PDF]

open access: yesJournal of Knot Theory and Its Ramifications, 2003
The noncommutative A-ideal of a knot is a generalization of the A-polynomial, defined using Kauffman bracket skein modules. In this paper we show that any knot that has the same noncommutative A-ideal as the (2,2p + 1)-torus knot has the same colored Jones polynomials.
Gelca, Răzvan, Sain, Jeremy
openaire   +3 more sources

Factorizations of Elements in Noncommutative Rings: A Survey [PDF]

open access: yes, 2016
We survey results on factorizations of non zero-divisors into atoms (irreducible elements) in noncommutative rings. The point of view in this survey is motivated by the commutative theory of non-unique factorizations.
A Geroldinger   +56 more
core   +1 more source

Quantum noncommutative gravity in two dimensions [PDF]

open access: yes, 2005
We study quantisation of noncommutative gravity theories in two dimensions (with noncommutativity defined by the Moyal star product). We show that in the case of noncommutative Jackiw-Teitelboim gravity the path integral over gravitational degrees of ...
Andrianov   +48 more
core   +1 more source

Noncommutative determinants, Cauchy–Binet formulae, and Capelli-type identities II. Grassmann and quantum oscillator algebra representation [PDF]

open access: yesAnnales de l’Institut Henri Poincaré D, Combinatorics, Physics and their Interactions, 2014
We prove that, for X , Y , A and B matrices with entries in a non-commutative ring such that
S. Caracciolo, A. Sportiello
openaire   +3 more sources

Curvature in Noncommutative Geometry

open access: yes, 2020
Our understanding of the notion of curvature in a noncommutative setting has progressed substantially in the past ten years. This new episode in noncommutative geometry started when a Gauss-Bonnet theorem was proved by Connes and Tretkoff for a curved ...
A Buium   +32 more
core   +1 more source

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