Results 51 to 60 of about 455,174 (314)

Existence of a Bilinear Differential Realization in the Constructions of Tensor Product of Hilbert Spaces

open access: yesWSEAS Transactions on Mathematics, 2020
The paper describes the results of a functional-geometric study of the necessary and sufficient conditions for the existence of a differential realization in the terms of the tensor product of real Hilbert spaces. There are considered continuous infinite-
A. Daneev, A. Lakeyev, V. Rusanov
semanticscholar   +1 more source

A Mysterious Tensor Product in Topology

open access: yes, 2022
We describe the construction of the tensor product of topological operads introduced by Boardman and Vogt, and explain some questions about it that have been puzzling Vogt and others for many years.
openaire   +3 more sources

Invertible defects and isomorphisms of rational CFTs [PDF]

open access: yes, 2010
Given two two-dimensional conformal field theories, a domain wall —or defect line— between them is called invertible if there is another defect with which it fuses to the identity defect.
Davydov, Alexei   +2 more
core   +3 more sources

Perturbative 4D conformal field theories and representation theory of diagram algebras

open access: yesJournal of High Energy Physics, 2020
The correlators of free four dimensional conformal field theories (CFT4) have been shown to be given by amplitudes in two-dimensional so(4, 2) equivariant topological field theories (TFT2), by using a vertex operator formalism for the correlators.
Robert de Mello Koch, Sanjaye Ramgoolam
doaj   +1 more source

Tensor Network study of the (1+1)-dimensional Thirring Model

open access: yesEPJ Web of Conferences, 2018
Tensor Network methods have been established as a powerful technique for simulating low dimensional strongly-correlated systems for over two decades.
Carmen Bañuls Mari   +5 more
doaj   +1 more source

Convergence tensor products and a strict topology [PDF]

open access: yesBulletin of the Australian Mathematical Society, 1980
We are interested in the strict topology τ on , the set L(E, F) of all continuous linear mappings from E into a Banach space F endowed with the topology of pointwise convergence. The T3-completion of the convergence tensor product E ⊗cLc F is the set of all τ-continuous linear functionals on L(E, F) and τ is the topology of uniform convergence on the ...
openaire   +2 more sources

Topological vacuum structure of the Schwinger model with matrix product states [PDF]

open access: yesPhysical Review D, 2019
We numerically study the single-flavor Schwinger model with a topological $\theta$-term, which is practically inaccessible by standard lattice Monte Carlo simulations due to the sign problem.
L. Funcke, K. Jansen, Stefan Kühn
semanticscholar   +1 more source

Fermionic tensor networks for higher-order topological insulators from charge pumping [PDF]

open access: yesPhysical review B, 2019
We apply the charge pumping argument to fermionic tensor network representations of d-dimensional topological insulators (TIs) to obtain tensor network states for (d+1)-dimensional TIs.
Anna Hackenbroich   +5 more
semanticscholar   +1 more source

Entanglement on multiple S 2 boundaries in Chern-Simons theory

open access: yesJournal of High Energy Physics, 2019
Topological entanglement structure amongst disjoint torus boundaries of three manifolds have already been studied within the context of Chern-Simons theory. In this work, we study the topological entanglement due to interaction between the quasiparticles
Siddharth Dwivedi   +4 more
doaj   +1 more source

Torsion-induced gravitational $$\theta $$ θ term and gravitoelectromagnetism

open access: yesEuropean Physical Journal C: Particles and Fields, 2020
Motivated by the analogy between a weak field expansion of general relativity and Maxwell’s laws of electrodynamics, we explore physical consequences of a parity violating $$\theta $$ θ term in gravitoelectromagnetism.
Athanasios Chatzistavrakidis   +2 more
doaj   +1 more source

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