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Mock theta functions and Appell–Lerch sums [PDF]

open access: yesJournal of Inequalities and Applications, 2018
Recently, Mortenson (Proc. Edinb. Math. Soc. 4:1–13, 2015) explored the bilateral series in terms of Appell–Lerch sums for the universal mock theta function g2(x,q) $g_{2}{(x,q)}$.
Bin Chen
doaj   +2 more sources

Recurrence relations connecting mock theta functions and restricted partition functions [PDF]

open access: yesNotes on Number Theory and Discrete Mathematics, 2023
In this paper, we provide some recurrence relations connecting restricted partition functions and mock theta functions. Elementary manipulations are used including Jacobi triple product identity, Euler's pentagonal number theorem, and Ramanujan's theta ...
M. Rana, H. Kaur, K. Garg
doaj   +1 more source

Some Special Integer Partitions Generated by a Family of Functions

open access: yesTrends in Computational and Applied Mathematics, 2023
  In this work, inspired by Ramanujan’s fifth order Mock Theta function f1(q), we define a collection of functions and look at them as generating functions for partitions of some integer n containing at least m parts equal to each one of the numbers from
M. L. Matte
doaj   +1 more source

On the modularity of certain functions from the Gromov–Witten theory of elliptic orbifolds [PDF]

open access: yesRoyal Society Open Science, 2015
In this paper, we study modularity of several functions which naturally arose in a recent paper of Lau and Zhou on open Gromov–Witten potentials of elliptic orbifolds.
Kathrin Bringmann   +2 more
doaj   +1 more source

ON GENERALIZED EIGHTH ORDER MOCK THETA FUNCTIONS

open access: yesUral Mathematical Journal, 2020
In this paper we have  generalized eighth order mock theta functions, recently introduced by Gordon and MacIntosh involving four independent variables. The idea of generalizing was to have four extra parameters, which on specializing give known functions
Pramod Kumar Rawat
doaj   +1 more source

Effective Congruences for Mock Theta Functions

open access: yesMathematics, 2013
Let M(q) = ∑c(n) qn be one of Ramanujan’s mock theta functions. We establish the existence of infinitely many linear congruences of the form: c(An + B) ≡ 0 (mod lj) where A is a multiple of l and an auxiliary prime, p.
Heidi Goodson   +3 more
doaj   +1 more source

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 ...
Chaudhary M.P.   +2 more
doaj   +1 more source

MOCK THETA FUNCTIONS AND QUANTUM MODULAR FORMS

open access: yesForum of Mathematics, Pi, 2013
Ramanujan’s last letter to Hardy concerns the asymptotic properties of modular forms and his ‘mock theta functions’. For the mock theta function $f(q)$, Ramanujan claims that as $q$ approaches an even-order $2k$ root of unity, we have $$\begin{eqnarray ...
AMANDA FOLSOM   +2 more
doaj   +1 more source

Bilateral series in terms of mixed mock modular forms

open access: yesJournal of Inequalities and Applications, 2016
The number of strongly unimodal sequences of weight n is denoted by u ∗ ( n ) $u^{*}(n)$ . The generating functions for { u ∗ ( n ) } n = 1 ∞ $\{u^{*}(n)\}_{n=1}^{\infty}$ are U ∗ ( q ) = ∑ n = 1 ∞ u ∗ ( n ) q n $U^{*}(q)=\sum_{n=1}^{\infty}u^{*}(n)q^{n}$
Bin Chen, Haigang Zhou
doaj   +1 more source

Applications of an identity of Andrews

open access: yesArab Journal of Mathematical Sciences, 2014
In this paper, we give a bilateral form of an identity of Andrews, which is a generalization of the 1ψ1 summation formula of Ramanujan. Using Andrews’ identity, we deduce some new identities involving mock theta functions of second order and finally, we ...
D.D. Somashekara, K. Narasimha Murthy
doaj   +1 more source

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