EVALUATIONS OF THE ROGERS-RAMANUJAN CONTINUED FRACTION BY THETA-FUNCTION IDENTITIES
EVALUATIONS OF THE ROGERS-RAMANUJAN CONTINUED FRACTION BY THETA-FUNCTION IDENTITIES
한국수학교육학회지시리즈B:순수및응용수학 / Journal of the Korean Society of Mathematical Education Series B: Theoretical Mathematics and Pedagogical Mathematics, (P)3059-0604; (E)3059-1309
2021, v.28 no.4, pp.377-386
https://doi.org/https://doi.org/10.7468/jksmeb.2021.28.4.377
Paek, Dae Hyun
(Department of Mathematics Education, Busan National University of Education)
Paek, Dae Hyun.
(2021). EVALUATIONS OF THE ROGERS-RAMANUJAN CONTINUED FRACTION BY THETA-FUNCTION IDENTITIES, 28(4), 377-386, https://doi.org/https://doi.org/10.7468/jksmeb.2021.28.4.377
Abstract
In this paper, we use theta-function identities involving parameters 𝑙5,n, 𝑙'5,n, and 𝑙'5,4n to evaluate the Rogers-Ramanujan continued fractions $R(e^{-2{\pi}{\sqrt{n/20}}})$ and $S(e^{-{\pi}{\sqrt{n/5}}})$ for some positive rational numbers n.
- keywords
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theta-function,
modular equation,
theta-function identity,
Rogers-Ramanujan continued fraction