Results 131 to 140 of about 5,285,566 (268)

Hardy-Type Space Associated with an Infinite-Dimensional Unitary Matrix Group

open access: yesAbstract and Applied Analysis, 2013
We investigate an orthogonal system of the homogenous Hilbert-Schmidt polynomials with respect to a probability measure which is invariant under the right action of an infinite-dimensional unitary matrix group.
Oleh Lopushansky
doaj   +1 more source

Structure of light-front vacuum sector diagrams

open access: yesPhysics Letters B, 2019
We study the structure of scalar field light-front quantization vacuum graphs. In instant-time quantization both non-vacuum and vacuum graphs can equivalently be described by either the off-shell four-dimensional Feynman diagram approach or the on-shell ...
Philip D. Mannheim   +2 more
doaj   +1 more source

Insights Into Bifenthrin Stereoisomers and Their Regulatory Implications

open access: yesChemistryOpen, Volume 15, Issue 5, May 2026.
Bifenthrin is a pyrethroid insecticide with two stereogenic centers, generating four stereoisomers with distinct physicochemical and electronic properties. A combined crystallographic and density functional theory study, supported by Hirshfeld surface, quantum theory of atoms in molecules, natural bond orbital, and reactivity descriptor analyses ...
Nayara C. M. Santos   +7 more
wiley   +1 more source

Canonical bases of q-deformed Fock spaces

open access: yes, 1996
We define a canonical basis of the $q$-deformed Fock space representation of the affine Lie algebra $\glchap_n$. We conjecture that the entries of the transition matrix between this basis and the natural basis of the Fock space are $q$-analogues of ...
Leclerc, Bernard, Thibon, Jean-Yves
core   +3 more sources

Ligand‐driven modulation of chaperone–cochaperone networks shapes proteostasis outcomes

open access: yesProtein Science, Volume 35, Issue 5, May 2026.
Abstract Protein homeostasis depends on a delicate interplay between folding and degradation, orchestrated by molecular chaperones. Among them, Hsp90 is a central hub, regulating nearly 10% of the proteome through ATP‐driven conformational cycles and selective interactions with cochaperones.
Andrea Magni   +9 more
wiley   +1 more source

Generalization of Gisin’s theorem to quantum fields

open access: yesNew Journal of Physics
We generalize Gisin’s theorem on the relation between the entanglement of pure states and Bell non-classicality to the case of mode entanglement of separated groups of modes of quantum fields extending the theorem to cover also states with undefined ...
Konrad Schlichtholz, Marcin Markiewicz
doaj   +1 more source

Gravitational Scattering Amplitudes and Closed String Field Theory in the Proper-Time Gauge

open access: yesEPJ Web of Conferences, 2018
We construct a covariant closed string field theory by extending recent works on the covariant open string field theory in the proper-time gauge. Rewriting the string scattering amplitudes generated by the closed string field theory in terms of the ...
Lee Taejin
doaj   +1 more source

2×2 operator matrix with real parameter and its spectrum [PDF]

open access: yesE3S Web of Conferences
In the present paper we consider a linear bounded self-adjoint 2×2 block operator matrix Aμ (so called generalized Friedrichs model) with real parameter μ ∈ R.
Dilmurodov Elyor B.   +4 more
doaj   +1 more source

Interacting Fock space versus full Fock module

open access: yesCommunications on Stochastic Analysis, 2008
We present several examples where moments of creators and an- nihilators on an interacting Fock space may be realized as moments of creators and annihilators on a full Fock module. Motivated by this experience we an- swer the question, whether such a possibility exists for arbitrary interacting Fock spaces, in the armative sense.
ACCARDI L, SKEIDE, Michael
openaire   +4 more sources

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