Results 21 to 30 of about 5,547 (252)

A new kind of Bernstein-Schurer-Stancu-Kantorovich-type operators based on q-integers

open access: yesJournal of Inequalities and Applications, 2017
Agrawal et al. (Boll. Unione Mat. Ital. 8:169-180, 2015) introduced a Stancu-type Kantorovich modification of the operators proposed by Ren and Zeng (Bull. Korean Math. Soc.
Ruchi Chauhan   +2 more
doaj   +1 more source

Approximation of associated GBS operators by Szasz-Mirakjan type operators

open access: yes, 2020
In this article, the approximation properties of the Szasz-Mirakjan type operators are studied for the function of two variables, and the rate of convergence of the bivariate operators is determined in terms of total and partial modulus of continuity.
Yadav, Rishikesh   +2 more
openaire   +2 more sources

The approximation of bivariate Chlodowsky-Szász-Kantorovich-Charlier-type operators

open access: yesJournal of Inequalities and Applications, 2017
In this paper, we introduce a bivariate Kantorovich variant of combination of Szász and Chlodowsky operators based on Charlier polynomials. Then, we study local approximation properties for these operators.
Purshottam Narain Agrawal   +2 more
doaj   +1 more source

Goldstone boson counting in linear sigma models with chemical potential [PDF]

open access: yes, 2005
We analyze the effects of finite chemical potential on spontaneous breaking of internal symmetries within the class of relativistic field theories described by the linear sigma model.
A. Beraudo   +4 more
core   +1 more source

Anarchic Yukawas and top partial compositeness: the flavour of a successful marriage

open access: yes, 2015
The top quark can be naturally singled out from other fermions in the Standard Model due to its large mass, of the order of the electroweak scale. We follow this reasoning in models of pseudo Nambu Goldstone Boson composite Higgs, which may derive from ...
Cacciapaglia, Giacomo   +5 more
core   +3 more sources

Observations on staggered fermions at non-zero lattice spacing [PDF]

open access: yes, 2006
We show that the use of the fourth-root trick in lattice QCD with staggered fermions corresponds to a non-local theory at non-zero lattice spacing, but argue that the non-local behavior is likely to go away in the continuum limit.
Claude Bernard   +3 more
core   +2 more sources

Network divergence analysis identifies adaptive gene modules and two orthogonal vulnerability axes in pancreatic cancer

open access: yesMolecular Oncology, EarlyView.
Tumors contain diverse cellular states whose behavior is shaped by context‐dependent gene coordination. By comparing gene–gene relationships across biological contexts, we identify adaptive transcriptional modules that reorganize into distinct vulnerability axes.
Brian Nelson   +9 more
wiley   +1 more source

Spatially Anisotropic Heisenberg Kagome Antiferromagnet

open access: yes, 2008
We study the quasi-one-dimensional limit of the spin-1/2 quantum Heisenberg antiferromagnet on the kagome lattice. The lattice is divided into antiferromagnetic spin-chains (exchange J) that are weakly coupled via intermediate "dangling" spins (exchange ...
A. Bohm   +7 more
core   +1 more source

Acute caffeine treatment protects the developing retina from ischemia‐induced cell death

open access: yesFEBS Open Bio, EarlyView.
Caffeine reduces cell death in the developing retina under ischemia (OGD). This effect does not involve BDNF upregulation or antioxidant pathways (NRF2/VEGF). Neuroprotection occurs mainly through adenosine A2A receptor antagonism, decreasing glutamate release and excitotoxicity, highlighting caffeine's potential as an acute neuroprotective agent in ...
Amanda Alves Nascimento   +6 more
wiley   +1 more source

Hadron Collider Sensitivity to Fat Flavourful $Z^\prime$s for $R_{K^{(\ast)}}$

open access: yes, 2018
We further investigate the case where new physics in the form of a massive $Z^\prime$ particle explains apparent measurements of lepton flavour non-universality in $B \rightarrow K^{(\ast)} l^+ l^-$ decays.
Allanach, B. C.   +3 more
core   +1 more source

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