Results 41 to 50 of about 14,747,589 (248)

A group theoretic description of the $\kappa$-Poincar\'e Hopf algebra [PDF]

open access: yes, 2022
It is well known in the literature that the momentum space associated to the $\kappa$-Poincar\'e algebra is described by the Lie group $\mathsf{A}\mathsf{N}(3)$.
Arzano, Michele, Kowalski-Glikman, Jerzy
core   +1 more source

Ring-theoretic (in)finiteness in reduced products of Banach algebras [PDF]

open access: yes, 2020
We study ring-theoretic (in)finiteness properties -- such as \emph{Dedekind-finiteness} and \emph{proper infiniteness} -- of ultraproducts (and more generally, reduced products) of Banach algebras.
Daws, Matthew, Horvath, Bence
core   +1 more source

A Brauer algebra theoretic proof of Littlewood’s restriction rules [PDF]

open access: yes, 1999
. Let U be a complex vector space endowed with an orthogonal or symplectic form, and letG be the subgroup ofGL(U) of all the symmetries of this form (resp.
Fabio Gavarini, GAVARINI, FABIO
core   +1 more source

Coarse graining as a representation change

open access: yesPhysics Letters B, 2019
We discuss how SU(1,1) coherent states from the discrete series allow for a natural coarse graining operation. The physical application is quantum theories based on a set of three extensive observables whose Poisson algebra is isomorphic to su(1,1).
Norbert Bodendorfer, Fabian Haneder
doaj   +1 more source

Some properties of Morly rank over Jonsson sets

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы, 2016
This article introduced and discussed the concepts of minimal Jonsson sets and respectively strongly minimal Jonsson sets. On this basis, it introduces the concept of the independence of special subsets of existentially closed submodel of the semantic ...
A.R. Yeshkeyev
doaj   +1 more source

Observer‐Based Adaptive Event‐Triggered Tracking Control for Fuzzy TS Systems With Premise Mismatch

open access: yesInternational Journal of Adaptive Control and Signal Processing, EarlyView.
This paper presents an adaptive logistic event‐triggered observer‐based tracking controller for Takagi‐Sugeno fuzzy systems under constrained inputs and network delays. Leveraging a hybrid LMI and Secretary Bird Optimization approach, this strategy significantly minimizes communication overhead and computational burden while ensuring optimal reference ...
Oussama Djadane   +3 more
wiley   +1 more source

A Cartan-Eilenberg approach to Homotopical Algebra [PDF]

open access: yes, 2010
In this paper we propose an approach to homotopical algebra where the basic ingredient is a category with two classes of distinguished morphisms: strong and weak equivalences.
Navarro, Vicenç (Navarro Aznar)   +5 more
core   +1 more source

Organic Materials of Tomorrow: Horizons of Artificial Intelligence

open access: yesAdvanced Materials, EarlyView.
This review examines machine learning techniques accelerating the discovery of organic semiconductors by linking molecular structure to properties. Key methods include graph neural networks, generative models, and active learning. Applications to organic photovoltaics demonstrate practical impact.
Harold Mena   +3 more
wiley   +1 more source

Model‐Theoretic Aspects of Unification

open access: yes, 1992
Unification is a fundamental operation in various areas of computer science, in particular in automated theorem proving and logic programming. In this paper we establish a relation between unification theory and classical model theory.
Alexander Bockmayr, Bockmayr, A.
core   +1 more source

Probabilistic Programming Process Algebra [PDF]

open access: yes, 2014
Formal modelling languages such as process algebras are widespread and effective tools in computational modelling. However, handling data and uncertainty in a statistically meaningful way is an open problem in formal modelling, severely hampering the ...
Sanguinetti, Guido   +7 more
core   +1 more source

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