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Ꮃeb of Science: Recent submissions
Now showing items 1021-1040 of 1868
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Two-parametric extension of h-deformation of Gr(1|1)
(Amer Inst Physics, 1999)The two-parametric quantum deformation of the algebra of coordinate functions on the (dual) supergroup Gr(1\1) via a contraction of Gr(p,q) (1\1) is presented. Although the quantum superdeterminant of any element of Gr(p,q) ... -
Two-parameter nonstandard deformation of 2 x 2 matrices
(Amer Inst Physics, 1999)We introduce a two-parameter deformation of 2x2 matrices without imposing any condition on the matrices and give the universal R-matrix of the nonstandard quantum group which satisfies the quantum Yang-Baxter relation. ... -
Two-parameter differential calculus on the h-superplane
(Amer Inst Physics, 1999)We introduce a noncommutative differential calculus on the two-parameter h-superplane via a contraction of the (p,q)-superplane. We manifestly show that the differential calculus is covariant under GL(h1),h(2)(1\1) ... -
Differential calculus on the h-superplane
(Amer Inst Physics, 1998)A noncommutative differential calculus on the h-superplane is presented via a contraction of The q-superplane. An R-matrix which satisfies both ungraded and graded Yang-Baxter equations is obtained and a new deformation ... -
Hopf algebra structure of Grq(1|1) related to GLq (1|1)
(Amer Inst Physics, 1999)We show that the algebra of functions on the Grassmann supergroup Gr(q)(1\1) has a (graded) Hopf algebra structure related to GL(q)(1\1). (C) 1999 American Institute of Physics. [S0022-2488(99)01603-5]. -
On the Neutrino Self Refraction Problem from a Many-Body Perspective
(Amer Inst Physics, 2010)We consider a dense neutrino gas as a many body system by taking into account both vacuum oscillations and self interactions of neutrinos. We show that the exact many body Hamiltonian which describes the flavor oscillations ... -
Photodisintegration at High Temperature
(Amer Inst Physics, 2010)The conventional method of calculating rates for photodisintegration reactions treats the photon as a classical particle and therefore is missing a correction due to the quantum statistics of the photon energy distribution. ... -
Possible Ambiguities in the Equation of state for Neutron Stars
(Amer Inst Physics, 2014)We addressed possible ambiguities on the properties of neutron stars (NSs) estimated in theoretical sides. First, roles of hyperons inside the NS are discussed through various relativistic mean field (RMF) theories. In ... -
Neutron Stars as Laboratories for Gravity Physics
(Amer Inst Physics, 2014)We study the structure of neutron stars in R + alpha R-2 gravity model with perturbative method. We obtain mass-radius relations for four representative equations of state (EoS). We find that, for vertical bar alpha vertical ... -
Can We Scan the Supernova Model Space for Collective Oscillations?
(Amer Inst Physics, 2016)Collective neutrino oscillations in a core collapse supernova is a many-body phenomenon which can transform the neutrino energy spectra through emergent effects. One example of this behavior is the neutrino spectral swaps ... -
A Statistical Subgrid Scale Model for Large Eddy Simulations
(Amer Inst Physics, 2013)Cinlar velocity is a promising subgrid velocity model for large eddy simulation. The energy spectrum plays a central role for modeling the subgrid stress term in filtered Navier-Stokes equations. Considering a truncated ... -
The Energy Spectrum for Stochastic Eddies with Gamma Distribution
(Amer Inst Physics, 2012)Lundgren (1982) showed that strained spiral vortex model for turbulent fine structure has exponential Kolmogorov energy spectrum form. Caglar (2007) has generalized Cinlar velocity field which defined a similar structure ... -
Representing Subgrid Stress with Cinlar Velocity Field in Large Eddy Simulation
(Amer Inst Physics, 2015)In this paper, a new subgrid stress model for representing the small scale effects in large eddy simulation of incompressible flows is studied by using the energy spectrum for the Reynolds stresses and Taylor series expansion ... -
Effect of Harvest on MTE Calculated by Single Step Process for Stochastic Population Model Under Allee Effect
(Amer Inst Physics, 2019)In this study, first we expand the cubic population model under Allee effect with a quadratic harvest function that represents harvest effect. Then, using four reaction equations representing the micro-interactions within ... -
Cinlar Model at Fully Developed Channel Flow for Re?=2000
(Amer Inst Physics, 2018)Large eddy simulation (LES), which is the numerical solution method of Navier-Stokes equation, is performed in a fully developed channel flow. In LES, Cinlar and homogeneous dynamic Smagorinsky models are used as subgrid-scale ... -
Two parameter deformation of Grassmann matrix group and supergroup
(Amer Inst Physics, 1996)The two parameter quantum deformations of 2X2 Grassmann matrices, Gr(2), and supermatrices, Gr(1\1), are presented. Gr(2) whose matrix elements are all Grassmannian variables is called the superdual of the general linear ... -
Single Parameter Estimation Approach for Robust Estimation of SIR Model With Limited and Noisy Data: The Case for COVID-19
(Cambridge Univ Press, 2021)Objective: The susceptible-infected-removed (SIR) model and its variants are widely used to predict the progress of coronavirus disease 2019 (COVID-19) worldwide, despite their rather simplistic nature. Nevertheless, robust ... -
BRAUER INDECOMPOSABILITY OF SCOTT MODULES WITH SEMIDIHEDRAL VERTEX
(Cambridge Univ Press, 2021)We present a sufficient condition for the kG-Scott module with vertex P to remain indecomposable under the Brauer construction for any subgroup Q of P as k[QC(G)(Q)]-module, where k is a field of characteristic 2, and P ... -
Theoretical study of the ir spectra of 3-chloropyridine and 3-chloropyridine metal complexes
(Elsevier Science Bv, 1999)The vibrational spectrum of 3-chloropyridine was calculated on the basis of normal coordinate analysis. Quantum optimized (MNDO) geometry was used for spectral calculations. The refined force field and electro-optical ... -
QUANTUM FIELD THEORY APPLICATIONS OF HEUN TYPE FUNCTIONS
(Pergamon-Elsevier Science Ltd, 2017)After a brief introduction to Heun type functions we note that the actual solutions of the eigenvalue equation emerging in the calculation of the one-loop contribution to QCD from the Belavin-Polyakov-Schwarz-Tyupkin ...
