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Zhurnal Srednevolzhskogo Matematicheskogo Obshchestva, 2020, Volume 22, Number 2, Pages 145–154
DOI: https://doi.org/10.15507/2079-6900.22.202002.145-154
(Mi svmo764)
 

Mathematics

The Dirichlet problem for rectangle and new identities for elliptic integrals and functions

H. S. Alekseeva, A. È. Rassadin

Nizhny Novgorod Mathematical Society
References:
Abstract: In the paper, results of comparison of two different methods of exact solution of the Dirichlet problem for rectangle are presented, namely, method of conformal mapping and method of variables’ separation. By means of this procedure normal derivative of Green's function for rectangular domain was expressed via Jacobian elliptic functions. Under approaching to rectangle's boundaries these formulas give new representations of the Dirac delta function. Moreover in the framework of suggested ideology a number of identities for the complete elliptic integral of the first kind were obtained. These formulas may be applied to summation of both numerical and functional series; also they may be useful for analytic number theory.
Keywords: correspondence of boundaries, kernel of integral operator, modulus of complete elliptic integral, the Poisson formula, the Weierstrass sigma-function, linear differential equation of the second order with variable coefficients.
Funding agency Grant number
Russian Foundation for Basic Research 18-08-01356-a
Document Type: Article
UDC: 517.956.225; 517.544.8; 517.583
MSC: Primary 30C20; Secondary 33E05, 35J08
Language: Russian
Citation: H. S. Alekseeva, A. È. Rassadin, “The Dirichlet problem for rectangle and new identities for elliptic integrals and functions”, Zhurnal SVMO, 22:2 (2020), 145–154
Citation in format AMSBIB
\Bibitem{AleRas20}
\by H.~S.~Alekseeva, A.~\`E.~Rassadin
\paper The Dirichlet problem for rectangle and new identities for elliptic integrals and functions
\jour Zhurnal SVMO
\yr 2020
\vol 22
\issue 2
\pages 145--154
\mathnet{http://mi.mathnet.ru/svmo764}
\crossref{https://doi.org/10.15507/2079-6900.22.202002.145-154}
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