Results 11 to 20 of about 291,999 (216)

Matrix Product Representation of Locality Preserving Unitaries [PDF]

, 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, Chen, Xie, Shukla, Sujeet K., Şahinoğlu, M. Burak   +3 more
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Tight Representations of 0-𝐸-Unitary Inverse Semigroups

Abstract 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, Asghar Jokar   +1 more
doaj   +1 more source

Generalizations of the standard Artin representation are unitary

International 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

On cospectrality of gain graphs

Special Matrices, 2022
We define GG-cospectrality of two GG-gain graphs (Γ,ψ)\left(\Gamma ,\psi ) and (Γ′,ψ′)\left(\Gamma ^{\prime} ,\psi ^{\prime} ), proving that it is a switching isomorphism invariant.
Cavaleri Matteo, Donno Alfredo
doaj   +1 more source

Spherical distribution vectors [PDF]

, 2002
In this paper we consider a locally compact second countable unimodular group $G$ and a closed unimodular subgroup $H$. Let $\rho$ be a finite dimensional unitary representation of $H$ with closed image.
Helminck, A.G., Helminck, G.F.
core   +4 more sources

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

Mediterranean 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]

Proceedings 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, Stefan Groote, Priit Lätt   +2 more
doaj   +1 more source

Small eigenvalues of the staggered Dirac operator in the adjoint representation and Random Matrix Theory [PDF]

, 1999
The low-lying spectrum of the Dirac operator is predicted to be universal, within three classes, depending on symmetry properties specified according to random matrix theory. The three universal classes are the orthogonal, unitary and symplectic ensemble.
A.L. Kaehler, E. Shuryak, G. Akemann, G. Akemann, G. Akemann, H. Leutwyler, H. Neuberger, J. Verbaarschot, J. Verbaarschot, J.-Z. Ma, J.B. Kogut, J.C. Osborn, J.C. Vink, M. Göckeler, M.A. Halasz, M.E. Berbenni-Bitsch, M.E. Berbenni-Bitsch, M.K. Sener, P.H. Damgaard, P.H. Damgaard, P.H. Damgaard, P.J. Forrester, R.G. Edwards, Rajamani Narayanan, Robert G. Edwards, T. Kalkreuter, Urs M. Heller   +26 more
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A Stone-Weierstrass theorem for group representations

International Journal of Mathematics and Mathematical Sciences, 1978
It is well known that if G is a compact group and π a faithful (unitary) representation, then each irreducible representation of G occurs in the tensor product of some number of copies of π and its contragredient. We generalize this result to a separable
Joe Repka
doaj   +1 more source

Orthogonal bases in specific generalized symmetry classes of tensors [PDF]

Journal of Mahani Mathematical Research
Let $V$ be a unitary vector space. Suppose $G$ is a permutation group of degree $m$ and $\Lambda$ is an irreducible unitary representation of $G$. We denote by $V_{\Lambda}(G)$ the generalized symmetry class of tensors associated with $G$ and $\Lambda ...
Gholamreza Rafatneshan, Yousef Zamani
doaj   +1 more source