Results 41 to 50 of about 23,873,882 (161)

Gauge Theory and Supergravity Duality in the PP-Wave Background [PDF]

open access: yes, 2005
We test the matrix theory conjecture in the pp-wave by studying two-body interactions between gravitons and membranes. We compute the one-loop effective potential of matrix theory and compare it to the light cone Lagrangian of linearized supergravity. We
Lee, Hok Kong
core   +1 more source

Lorentz symmetry and IR structure of the BFSS matrix model

open access: yesJournal of High Energy Physics, 2023
The BFSS matrix model relates flat space M-theory to a large N limit of matrix quantum mechanics describing N non-relativistic D0-branes. M-theory, being a theory of gravity in flat space, has a rich infrared structure that includes various soft theorems
Adam Tropper, Tianli Wang
doaj   +1 more source

M(atrix) theory : a pedagogical introduction [PDF]

open access: yesFortschritte der Physik, 1999
20 pages in double-column format, Latex, uses espcrc2.tex, 2 ...
openaire   +3 more sources

A Mathematical Programming Approach to Brand Efficiency of Smartphones in the US Market

open access: yesMathematical Problems in Engineering, Volume 2017, Issue 1, 2017., 2017
This study applied mathematical programming approach to investigate the brand efficiency of smartphone brands by collecting data of 2013–2015 from Consumer Report. The brand efficiency was completed by employing the slack‐based measure in data envelopment analysis.
Shiu-Wan Hung   +4 more
wiley   +1 more source

Holographic description of M-branes via AdS2

open access: yesJournal of High Energy Physics, 2020
We study AdS2 × S 4 × S 2 × Σ2 solutions in type IIB string theory arising from D1-D3-NS5 brane intersections. These backgrounds enjoy sixteen supercharges and the corresponding internal geometry is non-compact due to the specific form of the warping w.r.
Giuseppe Dibitetto   +3 more
doaj   +1 more source

Thermal, chemical and chemothermal denaturation of yeast enolase

open access: yesJournal of Spectroscopy, Volume 17, Issue 2-3, Page 453-467, 2003., 2003
We studied the temperature‒ and denaturant‒induced denaturation of yeast enolase by means of Fourier transform infrared spectroscopy. The temperature‒induced denaturation/aggregation of the enzyme in the absence of denaturant was highly cooperative and occurred between 55 and 65°C with a midpoint of ~58°C.
Ping Huang, Aichun Dong
wiley   +1 more source

Effect of heparin and related glycosaminoglycan on PDGF‐induced lung fibroblast proliferation, chemotactic response and matrix metalloproteinases activity

open access: yesMediators of Inflammation, Volume 9, Issue 2, Page 85-91, 2000., 2000
Fibroblast migration, proliferation, extacellular matrix protein synthesis and degradation are the key events in various biological and pathological processes in pulmonary fibrosis. In addition, biopsy specimens from the lungs of patients with plumomary fibrosis show increased numbers of mast cells which have metachromatic granules containing heparin ...
Masahiro Sasaki   +7 more
wiley   +1 more source

Progress in the Molecular Biology of Ewing Tumors

open access: yesSarcoma, Volume 2, Issue 1, Page 3-17, 1998., 1998
Purpose/results/discussion. Rearrangement of the EWS gene with an ETS oncogene by chromosomal translocation is a hallmark of the Ewing family of tumors (EFT). Detectability, incidence, tumor specificity and variability of this aberration have been matters of intense investigation in recent years.
Heinrich Kovar
wiley   +1 more source

Susceptibility of lung epithelium to neutrophil elastase: protection by native inhibitors

open access: yesMediators of Inflammation, Volume 6, Issue 5-6, Page 345-354, 1997., 1997
The development of emphysema is thought to be due to an imbalance of proteases (especially neutrophil elastase [NE]) and antiproteases with loosening of the respiratory epithelium as an early event. We investigated the effect of NE on respiratory epithelial cell adherence in vitro , in the presence of varying concentrations and combinations of native ...
L. Bingle   +5 more
wiley   +1 more source

Covid Conspiracy Theories in Global Perspective [PDF]

open access: yes, 2023
Covid Conspiracy Theories in Global Perspective examines how conspiracy theories and related forms of misinformation and disinformation about the Covid-19 pandemic have circulated widely around the world.

core   +1 more source

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