Results 51 to 60 of about 3,245 (221)

The Additive Logic of Epistemic Reasons: An Axiomatic Account

open access: yesTheoria, EarlyView.
ABSTRACT The article argues for a system of axioms that is meant to capture the logic of normative reasons for belief. The system concerns a primitive direct‐reason relation, a defined doxastic‐reason relation, and a primitive function for the revision of rational belief by reasons.
Hannes Leitgeb
wiley   +1 more source

On Idempotent Matrices

open access: yesThe Annals of Mathematical Statistics, 1966
The author introduces a lemma to prove rather special theorems on the independence of quadratic forms.
openaire   +3 more sources

OnC*-Algebras Generated by Idempotents [PDF]

open access: yes, 1996
The topic of the present paper is concrete Banach andC*-algebras which are generated by a finite number of idempotents. Our first result is that, for each finitely generated Banach algebra A, there is a numbern0so that the algebra An×nof alln×nmatrices ...
Roch, Steffen   +2 more
core   +1 more source

Idempotents with polynomial coefficients

open access: yes, 2010
8 pagesWe combine Young idempotents in the group algebra of the symmetric group with the action of the symmetric group on products of Vandermonde determinants to obtain idempotents with polynomial ...
Lascoux, Alain
core   +3 more sources

Tropical algebra for noise removal and optimal control

open access: yesJournal of Low Frequency Noise, Vibration and Active Control, 2023
Algorithms for noise removal are either complex or ineffective, and the optimal control with inequality constrains makes the algorithm even more complex.
Chun-Mei Gong, Jiao Peng, Jing Wang
doaj   +1 more source

On the automorphisms of the power semigroups of a numerical semigroup

open access: yesTransactions of the London Mathematical Society, Volume 13, Issue 1, December 2026.
Abstract If H$H$ is a numerical semigroup (i.e., a cofinite subset of the non‐negative integers closed under addition), then the collection of all non‐empty subsets of H$H$ forms a semigroup P(H)$\mathcal {P}(H)$ under the sumset operation induced by addition in H$H$.
Salvatore Tringali, Kerou Wen
wiley   +1 more source

Multiplicatively idempotent semirings [PDF]

open access: yesMathematica Bohemica, 2015
Let \((S,+,\cdot)\) be an additively commutative semiring with absorbing zero \(0\) and identity \(1\). It is shown that \((S,\cdot)\) is idempotent if and only if there exist positive integers \(n\) and \(m\geq 2\) such that \(x^{n+1}=x^n\) and \(x^m=x\) for all \(x\in S\).
Chajda, Ivan   +2 more
openaire   +2 more sources

Decomposition of Idempotent Operators on Hilbert C*-Modules

open access: yesMathematics
This study advances the application of the generalized Halmos’ two projections theorem to idempotent operators on Hilbert C*-modules through a comprehensive study of sums involving adjointable idempotents and their adjoints.
Wei Luo
doaj   +1 more source

Commuting idempotents of an H∗-algebra

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2003
Commutative H∗-algebra is characterized in terms of idempotents. Here we offer three characterizations.
P. P. Saworotnow
doaj   +1 more source

Further results on Left and Right Generalized Drazin Invertible Operators

open access: yesМатематичні Студії, 2020
In this paper we present some new characteristics and expressions of left and right generalized Drazin invertible bounded operators on a Banach space $X.$ An explicit formula relating the left and the right generalized Drazin inverses to spectral ...
So. Messirdi, Sa. Messirdi, B. Messirdi
doaj   +1 more source

Home - About - Disclaimer - Privacy