Results 31 to 40 of about 1,660,234 (361)

Unitary quantum lattice simulations for Maxwell equations in vacuum and in dielectric media [PDF]

open access: yesJournal of Plasma Physics, 2020
Utilizing the similarity between the spinor representation of the Dirac and the Maxwell equations that has been recognized since the early days of relativistic quantum mechanics, a quantum lattice algorithm (QLA) representation of unitary collision ...
G. Vahala, L. Vahala, M. Soe, A. Ram
semanticscholar   +1 more source

Tight Representations of 0-𝐸-Unitary Inverse Semigroups

open access: yesAbstract and Applied Analysis, 2011
We study the tight representation of a semilattice in {0,1} by some examples. Then we introduce the concept of the complex tight representation of an inverse semigroup 𝑆 by the concept of the tight representation of the semilattice of idempotents 𝐸 of 𝑆 ...
Bahman Tabatabaie Shourijeh   +1 more
doaj   +1 more source

On unitary representability of topological groups [PDF]

open access: yesMathematische Zeitschrift, 2008
We prove that the additive group $(E^\ast, _k(E))$ of an $\mathscr{L}_\infty$-Banach space $E$, with the topology $ _k(E)$ of uniform convergence on compact subsets of $E$, is topologically isomorphic to a subgroup of the unitary group of some Hilbert space (is \emph{unitarily representable}).
openaire   +4 more sources

Generalizations of the standard Artin representation are unitary

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2005
We consider the Magnus representation of the image of the braid group under the generalizations of the standard Artin representation discovered by M. Wada.
Mohammad N. Abdulrahim
doaj   +1 more source

A Brief Overview of The Development of Body Representations Across Infancy, Childhood and Adulthood

open access: yesMediterranean Journal of Clinical Psychology, 2022
For centuries, philosophers have pondered over how bodies are represented as unitary entities and contemporary research is beginning to elucidate the answer.
Liam Alexander MacKenzie Myles
doaj   +1 more source

Algebra with ternary cyclic relations, representations and quark model [PDF]

open access: yesProceedings of the Estonian Academy of Sciences, 2023
We propose a unital associative algebra, motivated by a generalization of the Pauli’s exclusion principle proposed for the quark model. The generators of this algebra satisfy the following relations: The sum of squares of all generators is equal to ...
Viktor Abramov   +2 more
doaj   +1 more source

Unitary Representations of Oligomorphic Groups [PDF]

open access: yesGeometric and Functional Analysis, 2012
Removed the requirement that an oligomorphic group be closed in Definition 1.2 in order to render Theorem 2.4 correct.
openaire   +3 more sources

Matrix Product Representation of Locality Preserving Unitaries [PDF]

open access: yes, 2017
The matrix product representation provides a useful formalism to study not only entangled states, but also entangled operators in one dimension. In this paper, we focus on unitary transformations and show that matrix product operators that are unitary ...
Bi, Feng   +3 more
core   +3 more sources

Twisted actions and the obstruction to extending unitary representations of subgroups [PDF]

open access: yes, 2003
Suppose that $G$ is a locally compact group and $\pi$ is a (not necessarily irreducible) unitary representation of a closed normal subgroup $N$ of $G$ on a Hilbert space $H$.
Huef, Astrid an, Raeburn, Iain
core   +3 more sources

An efficient high dimensional quantum Schur transform [PDF]

open access: yesQuantum, 2019
The Schur transform is a unitary operator that block diagonalizes the action of the symmetric and unitary groups on an $n$ fold tensor product $V^{\otimes n}$ of a vector space $V$ of dimension $d$.
Hari Krovi
doaj   +1 more source

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