Results 81 to 90 of about 3,569,422 (339)

Continuous point symmetries in group field theories [PDF]

open access: yesJournal of Physics A: Mathematical and Theoretical, 2017
We discuss the notion of symmetries in non-local field theories characterized by integro-differential equations of motion, from a geometric perspective. We then focus on Group Field Theory (GFT) models of quantum gravity and provide a general analysis of their continuous point symmetry transformations, including the generalized conservation laws ...
Kegeles, Alexander (Dr.)   +1 more
openaire   +6 more sources

Lost in Translation: Topological Singularities in Group Field Theory

open access: yes, 2010
Random matrix models generalize to Group Field Theories (GFT) whose Feynman graphs are dual to gluings of higher dimensional simplices. It is generally assumed that GFT graphs are always dual to pseudo manifolds.
Gurau, Razvan
core   +1 more source

Cyclic nucleotide signaling as a drug target in retinitis pigmentosa

open access: yesFEBS Letters, EarlyView.
Disruptions in cGMP and cAMP signaling can contribute to retinal dysfunction and photoreceptor loss in retinitis pigmentosa. This perspective examines the mechanisms and evaluates emerging evidence on targeting these pathways as a potential therapeutic strategy to slow or prevent retinal degeneration.
Katri Vainionpää   +2 more
wiley   +1 more source

Renormalization of Group Field Theories for Quantum Gravity: New Computations and Some Suggestions

open access: yesFrontiers in Physics, 2021
We discuss motivation and goals of renormalization analyses of group field theory models of simplicial 4d quantum gravity, and review briefly the status of this research area.
Marco Finocchiaro   +2 more
doaj   +1 more source

Dilogarithm Identities in Conformal Field Theory and Group Homology

open access: yes, 1993
Recently, Rogers' dilogarithm identities have attracted much attention in the setting of conformal field theory as well as lattice model calculations. One of the connecting threads is an identity of Richmond-Szekeres that appeared in the computation of ...
A. Borel   +31 more
core   +1 more source

Goodbye flat lymphoma biology

open access: yesFEBS Letters, EarlyView.
Three‐dimensional (3D) biological systems have become key tools in lymphoma research, offering reliable in vitro and ex vivo platforms to explore pathogenesis and support precision medicine. This review highlights current 3D non‐Hodgkin lymphoma models, detailing their features, advantages, and limitations, and provides a broad perspective on future ...
Carla Faria   +3 more
wiley   +1 more source

Tensor renormalization group in bosonic field theory [PDF]

open access: yesPhysical Review B, 2019
5+8 pages, 4+2 ...
Campos, Manuel   +2 more
openaire   +4 more sources

Double Field Theory on Group Manifolds in a Nutshell

open access: yes, 2017
We give a brief overview of the current status of Double Field Theory on Group Manifolds (DFTWZW). Therefore, we start by reviewing some basic notions known from Double Field Theory (DFT) and show how they extend/generalize into the framework of Double ...
Blumenhagen, Ralph   +3 more
core   +1 more source

Four-Dimensional Yang-Mills Theory as a Deformation of Topological BF Theory [PDF]

open access: yes, 1997
The classical action for pure Yang--Mills gauge theory can be formulated as a deformation of the topological $BF$ theory where, beside the two-form field $B$, one has to add one extra-field $\eta$ given by a one-form which transforms as the difference of
Cattaneo, A. S.   +6 more
core   +3 more sources

Redox‐dependent binding and conformational equilibria govern the fluorescence decay of NAD(P)H in living cells

open access: yesFEBS Letters, EarlyView.
In this work, we reveal how different enzyme binding configurations influence the fluorescence decay of NAD(P)H in live cells using time‐resolved anisotropy imaging and fluorescence lifetime imaging microscopy (FLIM). Mathematical modelling shows that the redox states of the NAD and NADP pools govern these configurations, shaping their fluorescence ...
Thomas S. Blacker   +8 more
wiley   +1 more source

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