Results 1 to 10 of about 617 (115)

Bilateral inversions and terminating basic hypergeometric series identities

open access: yesDiscrete Mathematics, 2009
A \(q\)-analogue of the Legendre inversion is established and generalized to bilateral sequences. They are employed to investigate the dual relations of three basic formulae due to Jackson and Bailey, on balanced \(_{3}\phi_{2}\)-series, well-poised \(_{8}\phi_{7}\)-series and bilateral \(_{6}\psi_{6}\)-series.
Wenchang Chu, Chenying Wang
exaly   +4 more sources

On certain transformations of poly-basic bilateral hypergeometric series

open access: yesJournal of Computational and Applied Mathematics, 2003
The authors establish transformations of poly-basic bilateral hypergeometric series in terms of another similar series not necessary having the same number of bases. As application of the obtained results, they derive expressions of the product of two \(q\)-series in terms of another product of two series which lead to interesting transformations of ...
Denis, Remy Y., Singh, S.N., Singh, S.P.
exaly   +3 more sources

Application of the residue theorem to bilateral hypergeometric series

open access: yesLe Matematiche, 2007
The application of the residue theorem to bilateral hypergeometric series identities is systematically reviewed by exemplifying three classes of summation theorems due to Dougall (1907), Jackson (1949, 1952) and Slater-Lakin (1953).
Wenchang Chu, Xiaoxia Wang, Deyin Zheng
doaj   +2 more sources

On transformation of certain bilateral basic hypergeometric series and their applications

open access: yesProceedings of the Indian Academy of Sciences: Mathematical Sciences, 2019
In this paper, the authors presented transformation and summation formulae for bilateral basic hypergeometric series: \[\sum_{n=-\infty}^{\infty}\frac{(a)_n}{(b)_n}z^n= \frac{(b/a;q)_\infty}{(b,bz/a;q)_\infty}\sum_{n=-\infty}^{\infty}(a)_nz^n\] whenever \(\max\{|b/a|,|1/b|\}
D D Somashekara
exaly   +2 more sources

Evaluation of beta integrals of Ramanujan type and integral representations for bilateral hypergeometric series

open access: yesRamanujan Journal
Abstract In this paper we evaluate integrals of products of gamma functions of Ramanujan type in terms of bilateral hypergeometric series. In cases where the bilateral hypergeometric series are summable, then we evaluate these integral as beta integrals. In addition, we obtain integral representations for bilateral hypergeometric series.
Hans Volkmer   +2 more
exaly   +3 more sources

Four Variants of Riemann Zeta Function

open access: yesMathematics, 2022
By means of the generating function method and Dougall’s formulae for bilateral hypergeometric series, we examine four classes of infinite series, which may be considered as variants of Riemann zeta function. Several summation formulae are established in
Nadia N. Li, Wenchang Chu
doaj   +1 more source

BPS indices, modularity and perturbations in quantum K-theory

open access: yesJournal of High Energy Physics, 2022
We study a perturbation family of N $$ \mathcal{N} $$ = 2 3d gauge theories and its relation to quantum K-theory. A 3d version of the Intriligator-Vafa formula is given for the quantum K-theory ring of Grassmannians.
Hans Jockers   +3 more
doaj   +1 more source

Inversion of Bilateral Basic Hypergeometric Series [PDF]

open access: yesThe Electronic Journal of Combinatorics, 2003
We present a new matrix inverse with applications in the theory of bilateral basic hypergeometric series. Our matrix inversion result is directly extracted from an instance of Bailey's very-well-poised ${}_6\psi_6$ summation theorem, and involves two infinite matrices which are not lower-triangular.
openaire   +6 more sources

Semi-finite forms of bilateral basic hypergeometric series [PDF]

open access: yesProceedings of the American Mathematical Society, 2005
We show that several classical bilateral summation and transformation formulas have semi-finite forms. We obtain these semi-finite forms from unilateral summation and transformation formulas. Our method can be applied to derive Ramanujan’s
Chen, William Y. C., Fu, Amy M.
openaire   +2 more sources

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