Results 11 to 20 of about 4,592,487 (264)

On two theta function identities of Ramanujan [PDF]

open access: yesIndian Journal of Pure and Applied Mathematics, 2022
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
K. R. Vasuki, A. I. Vijaya Shankar
openaire   +3 more sources

Theta function identities and q series [PDF]

open access: yes, 2023
We establish some functional identities of theta functions, an elementary proof of classical fourth-order identities, Landen transformations, and q series from the eigenvectors of the discrete Fourier transform. Also, we derive connection between Rogers-Ramanujan type identity and theta function identity.
Masal, Hemant   +2 more
openaire   +3 more sources

Theta-function identities and the explicit formulas for theta-function and their applications [PDF]

open access: yesJournal of Mathematical Analysis and Applications, 2004
Let \(h_{k,n}= \frac{\varphi(e^{-\pi\sqrt{n/k}})} {k^{1/4}\varphi(e^{-\pi\sqrt{nk}})}\) and \(h_{k,n}'= \frac{\varphi(-e^{-2\pi\sqrt{n/k}})} {k^{1/4}\varphi(-e^{-2\pi\sqrt{nk}})},\) where \(\varphi(q)=\sum_{j=-\infty}^\infty q^{j^2}\). Properties of \(h_{k,n}\) and \(h_{k,n}'\) are studied, and \(h_{k,n}\) and \(h_{k,n}'\) are explicitly evaluated for ...
Yi, Jinhee
openaire   +2 more sources

Theta function identities and Ramanujan's Congruences on the partition function

open access: yesThe Quarterly Journal of Mathematics, 2005
A q-difference equation on eight shifted factorials of infinite order will be established. As consequences, we shall systematically explore triple products to give alternative proofs of the theta function identities due to Ewell [5, 6] and Berndt et al. [2] and briefly review their applications to the Ramanujan congruences on the partition function. In
CHU, Wenchang
openaire   +2 more sources

On series identities arising from Jacobi’s identity of the theta function

open access: yesInternational Journal of Number Theory, 2018
In this paper, we show certain series identities arising from the Jacobi identity of the ordinary theta function. These include several formulas of Ramanujan type given by Berndt and their relevant analogues.
Hirofumi Tsumura
openaire   +2 more sources

Jacobi's triple product identity and theta function identities [PDF]

open access: yesMathematical Communications, 2011
As a unified approach, Jacobi's triple product identity will be utilized to derive theta function formulae due to Baruah-Berndt (2007), identities of Rogers--Ramanujan functions and modular equations due to Ramanujan.
Chu, Wenchang, Yan, Qinglun
openaire   +2 more sources

Some identities associated with theta functions and tenth order mock theta functions [PDF]

open access: yesMathematica Moravica
The main objective of this paper is to present some identities associated with theta functions and tenth order mock theta functions. Several closely-related identities such as (for example) q-product identities and Jacobi's triple-product identity are also considered.
M.P. Chaudhary   +2 more
openaire   +4 more sources

On generalization of a Ramanujan’s theta function identity

open access: yesBoletín de la Sociedad Matemática Mexicana, 2022
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Nanjundegowda, Harshitha, K.
openaire   +2 more sources

On certain identities in theta functions [PDF]

open access: yesTransactions of the American Mathematical Society, 1930
1. The purpose of this paper is to obtain certain identities in Jacobi's theta functions by a new method. This method may be outlined as follows. We consider two sets of elements S and Si, conceptually distinct, such that the elements of S are in one-to-one correspondence with the elements of S1.
openaire   +1 more source

Ramanujan Theta Function Identities and Quadratic Numbers [PDF]

open access: yes, 2023
Eigenvectors of the discrete Fourier transform can be expressed using Ramanujan theta functions. New theta function identities, Ramanujan theta function identities, and generating functions for the quadratic numbers are a consequence.Comment: 11 ...
Kendre, Subhash   +2 more
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