Articles with "series expansions" as a keyword



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Magnetic and electronic properties of Mn2Sn thin films: First-principles calculations and high temperature series expansions

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Published in 2018 at "Chinese Journal of Physics"

DOI: 10.1016/j.cjph.2018.08.023

Abstract: Abstract In this paper, first-principles calculations have been performed in order to study the electronic and magnetic properties of the bulk and the (0 0 1) surface of Mn2Sn thin films using self-consistent ab initio… read more here.

Keywords: temperature series; thin films; mn2sn thin; high temperature ... See more keywords
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Continued fractions and q-series generating functions for the generalized sum-of-divisors functions

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Published in 2017 at "Journal of Number Theory"

DOI: 10.1016/j.jnt.2017.05.023

Abstract: Abstract We construct new continued fraction expansions of Jacobi-type J-fractions in z whose power series expansions generate the ratio of the q-Pochhammer symbols, ( a ; q ) n / ( b ; q )… read more here.

Keywords: series generating; generating functions; series; divisors functions ... See more keywords
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Generalizations of Hirschhorn’s Results on Two Remarkable q-Series Expansions

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Published in 2020 at "Experimental Mathematics"

DOI: 10.1080/10586458.2020.1712565

Abstract: Recently, Hirschhorn investigated vanishing coefficients of the arithmetic progressions in the following two q-series expansions ∑n=0∞a(n)qn:=∏n=1∞(1+q5n−4)(1+q5n−1)(1−q10n−9)3(1−q10n−1)3,∑n=0∞b(n)... read more here.

Keywords: generalizations hirschhorn; series; two remarkable; hirschhorn results ... See more keywords
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Duality in a supersymmetric gauge theory from a perturbative viewpoint

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Published in 2018 at "Physical Review D"

DOI: 10.1103/physrevd.97.065020

Abstract: We study duality in $\mathcal{N}=1$ supersymmetric QCD in the non-Abelian Coulomb phase, order-by-order in scheme-independent series expansions. Using exact results, we show how the dimensions of various fundamental and composite chiral superfields, and the quantities… read more here.

Keywords: duality; supersymmetric gauge; theory perturbative; duality supersymmetric ... See more keywords
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Series Expansions and Approximations of the Nakagami-m Sum Probability Density Function

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Published in 2022 at "IEEE Wireless Communications Letters"

DOI: 10.1109/lwc.2021.3123223

Abstract: The numerical evaluation of the pdf of a sum of Nakagami- ${m}$ random variables is considered in this letter. Different methods are proposed to obtain this approximation: ${i}$ ) a power series expansion based on… read more here.

Keywords: series expansions; series; expansions approximations; tex math ... See more keywords
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A q-Difference Equation and Fourier Series Expansions of q-Lidstone Polynomials

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Published in 2022 at "Symmetry"

DOI: 10.3390/sym14040782

Abstract: In this paper, we present the q-Lidstone polynomials which are q-Bernoulli polynomials generated by the third Jackson q-Bessel function, based on the Green’s function of a certain q-difference equation. Also, we provide the q-Fourier series… read more here.

Keywords: series expansions; difference equation; fourier series; lidstone polynomials ... See more keywords