Search Results - "COFFEY, MARK W."
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An effective asymptotic formula for the Stieltjes constants
Published in Mathematics of computation (01-01-2011)“…The Stieltjes constants \gamma_k about its only pole at s=1 for k \gg 1. Furthermore, our result is effective for computation, consistently in close agreement…”
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2
Asymptotic estimation of \xi ^{(2n)}(1/2): On a conjecture of Farmer and Rhoades
Published in Mathematics of computation (01-04-2009)“…We verify a very recent conjecture of Farmer and Rhoades on the asymptotic rate of growth of the derivatives of the Riemann xi function at s=1/2. We give two…”
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3
New results concerning power series expansions of the Riemann xi function and the Li/Keiper constants
Published in Proceedings of the Royal Society. A, Mathematical, physical, and engineering sciences (08-03-2008)“…The Riemann hypothesis is equivalent to the Li criterion governing a sequence of real constants…”
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4
New summation relations for the Stieltjes constants
Published in Proceedings of the Royal Society. A, Mathematical, physical, and engineering sciences (08-09-2006)“…have been of interest for over a century, yet their detailed behaviour remains under investigation. These constants appear in the Laurent expansion of the…”
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5
SERIES REPRESENTATIONS FOR THE STIELTJES CONSTANTS
Published in The Rocky Mountain journal of mathematics (01-01-2014)“…The Stieltjes constants 𝛾𝑘(𝑎) appear as the coefficients in the regular part of the Laurent expansion of the Hurwitz zeta function ζ(𝑠, 𝑎) about 𝑠 = 1…”
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6
Integrals of powers of loggamma
Published in Proceedings of the American Mathematical Society (01-02-2011)“…Properties of the integral of powers of log Г(x) from 0 to 1 are considered. Analytic evaluations for the first two powers are presented. Empirical evidence…”
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7
Magnetic levitation from negative permeability materials
Published in Physics letters. A (03-09-2012)“…As left-handed materials and metamaterials are becoming more prevalent, we examine the effect of negative permeability upon levitation force. We first consider…”
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8
Multidimensional linear diffusion for image enhancement on a type II quantum computer
Published in Proceedings of the Royal Society. A, Mathematical, physical, and engineering sciences (08-09-2007)“…We describe how multidimensional linear diffusion with application to image processing could be carried out on a hybrid classical–quantum computer. We present…”
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9
Nonlinear Spark Resistance and Capacitive Circuit Models of Electrostatic Discharge
Published in IEEE transactions on plasma science (01-02-2020)“…Over the past century, several models of spark discharge have been developed that approximate the effect of a spark channel in a circuit as a nonlinear…”
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10
Series representation of the Riemann zeta function and other results: Complements to a paper of Crandall
Published in Mathematics of computation (01-05-2014)“…We supplement a very recent paper of R. Crandall concerned with the multiprecision computation of several important special functions and numbers. We show an…”
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11
On generalized harmonic number sums
Published in Applied mathematics and computation (15-09-2010)“…We evaluate generalized harmonic number sums with parameter in terms of values of polylogarithm functions, and several examples are given. Instances of such…”
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12
On some series representations of the Hurwitz zeta function
Published in Journal of computational and applied mathematics (15-06-2008)“…A variety of infinite series representations for the Hurwitz zeta function are obtained. Particular cases recover known results, while others are new…”
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13
On the log-concavity of a Jacobi theta function
Published in Mathematics of computation (01-10-2013)“…function, is presented. An open problem, involving the normalized moments of log-concave kernels, is investigated. In particular, several Tur]]>á…”
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14
AN ASYMPTOTIC FORM FOR THE STIELTJES CONSTANTS γk(a) AND FOR A SUM Sγ(n) APPEARING UNDER THE LI CRITERION
Published in Mathematics of computation (01-10-2011)“…We present several asymptotic analyses for quantities associated with the Riemann and Hurwitz zeta functions. We first determine the leading asymptotic…”
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15
An efficient algorithm for the Hurwitz zeta and related functions
Published in Journal of computational and applied mathematics (15-03-2009)“…A simple class of algorithms for the efficient computation of the Hurwitz zeta and related special functions is given. The algorithms also provide a means of…”
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16
ON REPRESENTATIONS AND DIFFERENCES OF STIELTJES COEFFICIENTS, AND OTHER RELATIONS
Published in The Rocky Mountain journal of mathematics (01-01-2011)“…The Stieltjes coefficients γk(a) arise in the expansion of the Hurwitz zeta function ζ (s, a) about its single simple pole at s = 1 and are of fundamental and…”
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17
On the generic behavior of the electrical permittivity at low frequencies
Published in Physics letters. A (20-07-2009)“…We discuss the complex-valued electrical permittivity and show that generally the real part ϵ ′ ( ω ) is a decreasing function of frequency from ω = 0 to near…”
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18
Summation properties of the η j and Li constants
Published in Journal of computational and applied mathematics (01-12-2009)“…We find new summatory and other properties of the constants η j entering the Laurent expansion of the logarithmic derivative of the Riemann zeta function about…”
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New results on the Stieltjes constants: Asymptotic and exact evaluation
Published in Journal of mathematical analysis and applications (15-05-2006)“…The Stieltjes constants γ k ( a ) are the expansion coefficients in the Laurent series for the Hurwitz zeta function about s = 1 . We present new asymptotic,…”
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ON FINITE SUMS OF LAGUERRE POLYNOMIALS
Published in The Rocky Mountain journal of mathematics (01-01-2011)“…We evaluate a family of finite summations of Laguerre polynomials in terms of Laguerre polynomials themselves or in terms of a generalized hypergeometric…”
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