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Related papers: On the tenth-order mock theta functions

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We give a new theta-function identity, a special case of which is utilised to prove Kawanaka's Macdonald polynomial conjecture. The theta-function identity further yields a transformation formula for multivariable elliptic hypergeometric…

Classical Analysis and ODEs · Mathematics 2009-05-26 Robin Langer , Michael J. Schlosser , S. Ole Warnaar

We give evaluations of certain Borwein's theta functions which appear in Ramanujan theory of alternative elliptic modular bases. Most of this theory where developed by B.C. Berndt, S. Bhargava and F.G. Garvan. We also study the most general…

General Mathematics · Mathematics 2017-12-07 N. D. Bagis

This paper is concerned with a class of partition functions $a(n)$ introduced by Radu and defined in terms of eta-quotients. By utilizing the transformation laws of Newman, Schoeneberg and Robins, and Radu's algorithms, we present an…

Number Theory · Mathematics 2019-11-19 William Y. C. Chen , Julia Q. D. Du , Jack C. D. Zhao

Some identities for the Riemann zeta-function are proved, using properties of the Mellin transform and M\"untz's identity.

Number Theory · Mathematics 2009-05-07 Aleksandar Ivić

We compute effective bounds for $\alpha(n)$, the Fourier coefficients of Ramunujan's mock theta function $f(q)$ utilizing a finite algebraic formula due to Bruinier and Schwagenscheidt. We then use these bounds to prove two conjectures of…

Number Theory · Mathematics 2021-01-19 Kevin Gomez , Eric Zhu

We give some generalizations to three identities of Srinivasa Ramanujan involving greatest integer function.

Number Theory · Mathematics 2021-09-09 Andrzej Kukla , Sai Teja Somu

Capparelli conjectured two modular identities for partitions whose parts satisfy certain gap conditions, where were motivated by the calculation of characters for the standard modules of certain affine Lie algebras and by vertex operator…

Number Theory · Mathematics 2015-01-13 Kathrin Bringmann , Karl Mahlburg

Mock theta functions were introduced by Ramanujan in 1920 but a proper understanding of mock modularity has emerged only recently with the work of Zwegers in 2002. In these lectures we describe three manifestations of this apparently exotic…

High Energy Physics - Theory · Physics 2022-02-02 Atish Dabholkar , Pavel Putrov

Let $R(q)$ be the Rogers-Ramanujan continued fraction. We give different proofs of two complementary relations for $R(q)$ given by Ramanujan and proved by Watson and Ramanathan. Our proofs only use product expansions for classical Jacobi…

Number Theory · Mathematics 2022-04-19 Sumit Kumar Jha

In this paper we obtain explicit formulas for mock theta functions $\Phi^{[m,s]}(\tau, z_1, z_2,t)$ $(m \in \frac12 \mathbf{N}, s \in \frac12 \mathbf{Z})$ by using the coroot lattice of the Lie superalgebra $D(2,1,a)$ and the Kac-Peterson's…

Representation Theory · Mathematics 2023-05-16 Minoru Wakimoto

In this series of seven papers, predominantly by means of elementary analysis, we establish a number of identities related to the Riemann zeta function. Whilst this paper is mainly expository, some of the formulae reported in it are…

History and Overview · Mathematics 2008-02-17 Donal F. Connon

Using a heuristic that relates Appell--Lerch functions to divergent partial theta functions one can expand Hecke-type double-sums in terms of Appell--Lerch functions. We give examples where the heuristic can be used as a guide to evaluate…

Number Theory · Mathematics 2023-04-25 Eric T. Mortenson

By employing the classical tools from the theory of $q$-series and theta functions, new fascinating identities on different continued fractions can be achieved. In this article, we use the product expansion of Jacobi's theta function to…

Number Theory · Mathematics 2026-04-01 Shruthi C. Bhat , B. R. Srivatsa Kumar

We deduce $q$-continued fractions $S_{1}(q)$, $S_{2}(q)$ and $S_{3}(q)$ of order fourteen, and continued fractions $V_{1}(q)$, $V_{2}(q)$ and $V_{3}(q)$ of order twenty-eight from a general continued fraction identity of Ramanujan. We…

Number Theory · Mathematics 2023-05-25 Shraddha Rajkhowa , Nipen Saikia

We prove general fomulas for the deviations of two overpartition ranks from the average. These formulas are in terms of Appell--Lerch series and sums of quotients of theta functions and can be used, among other things, to recover any of the…

Number Theory · Mathematics 2025-07-14 Jeremy Lovejoy , Robert Osburn

We prove several infinite families of $q$-series identities for false theta functions and related series. These identities are motivated by considerations of characters of modules of vertex operator superalgebras and of quantum…

Number Theory · Mathematics 2020-09-10 Chris Jennings-Shaffer , Antun Milas

The study of Ramanujan-type congruences for functions specific to additive number theory has a long and rich history. Motivated by recent connections between divisor sums and overpartitions via congruences in arithmetic progressions, we…

Number Theory · Mathematics 2022-05-12 William Craig , Mircea Merca

We demonstrate how formulas that express Hecke-type double-sums in terms of theta functions and Appell--Lerch functions -- the building blocks of Ramanujan's mock theta functions -- can be used to give general string function formulas for…

Number Theory · Mathematics 2024-02-22 Eric T. Mortenson

In this paper, we investigate new relationships for bilateral series related to two-parameter mock theta functions, which lead to many identities concerning the bilateral mock theta functions. In addition, interesting relations between the…

Number Theory · Mathematics 2025-10-20 Chun Wang

We will use a discrete analogue of the classical Laplace method to show that the main term of the asymptotic expansions of certain entire functions, including Ramanujan's entire function $A_{q}(z)$, can be expressed in terms of…

Classical Analysis and ODEs · Mathematics 2007-05-23 Ruiming Zhang