Results 71 to 80 of about 2,293,822 (285)

M theory as a matrix extension of Chern-Simons theory

, 2000
We study a new class of matrix models, the simplest of which is based on an Sp(2) symmetry and has a compactification which is equivalent to Chern-Simons theory on the three-torus.
Awata, Banks, Banks, Banks, Barbour, Bars, Bars, Capovilla, Capovilla, Capovilla, Carlip, Carlip, Carlip, Claudson, DeWitt, Dijkgraaf, Ezawa, Ferreira, Fukuma, Ganor, Hofman, Horava, Hull, Ishibashi, Ishibashi, Kogan, Kogan, Kunitomo, Kunitomo, Kunitomo, Lee Smolin, Lykken, Markopoulou, Markopoulou, Markopoulou, Markopoulou, Markopoulou, Minic, Motl, Sano, Smolin, Smolin, Smolin, Smolin, Smolin, Smolin, Smolin, Taylor, Taylor, Townsend, Townsend, Townsend, Witten   +52 more
core   +2 more sources

Solution of a field theory model of frontal photopolymerization [PDF]

Physical Review E, 2005
33 pages, 12 figures, submitted to physical review ...
Warren, James A., Cabral, Joao T., Douglas, Jack F.   +2 more
openaire   +3 more sources

Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system

FEBS Letters, EarlyView.
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley   +1 more source

On the breakdown of perturbative integrability in large N matrix models

, 2005
We study the perturbative integrability of the planar sector of a massive SU(N) matrix quantum mechanical theory with global SO(6) invariance and Yang-Mills-like interaction.
A.A. Tseytlin, A.A. Tseytlin, D. Berenstein, D. Serban, G. Arutyunov, J. Plefka, J.A. Minahan, J.A.M. Vermaseren, J.M. Maldacena, L.D. Faddeev, M. Karbach, M. Staudacher, M.P. Grabowski, N. Beisert, T. Fischbacher, T. Klose, Thomas Klose, V.I. Inozemtsev, V.I. Inozemtsev   +18 more
core   +1 more source

A methionine‐lined active site governs carbocation stabilization and product specificity in a bacterial terpene synthase

FEBS Letters, EarlyView.
This study reveals a unique active site enriched in methionine residues and demonstrates that these residues play a critical role by stabilizing carbocation intermediates through novel sulfur–cation interactions. Structure‐guided mutagenesis further revealed variants with significantly altered product profiles, enhancing pseudopterosin formation. These
Marion Ringel, Carl P. O. Helmer, Shani Zev, Ronja Driller, Emily Buhr, Markus Reinbold, Renana Schwartz, Gabriel Foley, Mikael Boden, Daniel Garbe, Gerhard Schenk, Dan Thomas Major, Bernhard Loll, Thomas Brück   +13 more
wiley   +1 more source

4D Chern-Simons theory with auxiliary fields

Journal of High Energy Physics
The auxiliary field sigma model (AFSM) has recently been constructed by Ferko and Smith as deformations of the principal chiral model by including auxiliary fields and the potential term given by an arbitrary univariate function.
Osamu Fukushima, Kentaroh Yoshida
doaj   +1 more source

Aggressive prostate cancer is associated with pericyte dysfunction

Molecular Oncology, EarlyView.
Tumor‐produced TGF‐β drives pericyte dysfunction in prostate cancer. This dysfunction is characterized by downregulation of some canonical pericyte markers (i.e., DES, CSPG4, and ACTA2) while maintaining the expression of others (i.e., PDGFRB, NOTCH3, and RGS5).
Anabel Martinez‐Romero, Ane Martinez‐Larrinaga, Joaquim Grego‐Bessa, Saioa Garcia‐Longarte, Hielke van Splunder, Ianire Astobiza, Amaia Ercilla, Laura Bozal‐Basterra, Isabel Mendizabal, Pilar Villacampa, Arkaitz Carracedo, Mariona Graupera   +11 more
wiley   +1 more source

The Role of Cognitive Schema Theory in the Translation from Arabic into English

مجلة النور للدراسات الانسانية
This study investigates the role of schema theory in translation and aims to gain knowledge that may progress AI-related domains through the simulation of cognition and AI.
Mohammed Nihad Ahmed Mohammed Nihad Ahmed
doaj   +1 more source

A Gauged Open 2-Brane String in the p-Brane Background

Advances in High Energy Physics, 2016
We make a gauge theory from the Open p-brane system and map it into the Open 2-Brane one. Due to the presence of second-class constraints in this model, we encounter some problems during the procedure of quantization. In this regard, considering boundary
Fahimeh Sarvi, Majid Monemzadeh, Salman Abarghouei Nejad   +2 more
doaj   +1 more source

A nonlinear magneto-mechanical coupling model for magnetization and magnetostriction of ferromagnetic materials

AIP Advances, 2020
A new magneto-mechanical coupling model was proposed for ferromagnetic materials under applied stress and in magnetic fields. The proposed model is based on the thermodynamic theory of ferromagnetic materials and Jiles–Atherton–Sablic (J–A–S) theory with
Sok Kim, Kwanghun Kim, Kang Choe, U. JuHyok, Hyongchol Rim   +4 more
doaj   +1 more source