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An Integral Analogue of Theta Functions and Gauss Sums in Ramanujan's Lost Notebook

Published online by Cambridge University Press:  01 September 2009

BRUCE C. BERNDT
Affiliation:
Department of Mathematics, University of Illinois, 1409 West Green St., Urbana, IL 61801, U.S.A. e-mail: [email protected]
PING XU
Affiliation:
Department of Mathematics, University of Illinois, 1409 West Green St., Urbana, IL 61801, U.S.A. e-mail: [email protected]

Abstract

One page in Ramanujan's lost notebook is devoted to claims about a certain integral with two parameters. One claim gives an inversion formula for the integral that is similar to the transformation formula for theta functions. Other claims are remindful of Gauss sums. In this paper we prove all the claims made by Ramanujan about this integral.

Type
Research Article
Copyright
Copyright © Cambridge Philosophical Society 2009

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References

REFERENCES

[1]Andrews, G. E. and Berndt, B. C.Ramanujan's Lost Notebook, Part IV (Springer, to appear).Google Scholar
[2]Gradshteyn, I. S. and Ryzhik, I. M. eds. Table of Integrals, Series and Products, 5th ed. (Academic Press, 1994).Google Scholar
[3]Ramanujan, S.Some definite integrals connected with Gauss's sums. Mess. Math. 44 (1915), 7585.Google Scholar
[4]Ramanujan, S.Some definite integrals. J. Indian Math. Soc. 11 (1915), 8187.Google Scholar
[5]Ramanujan, S., Collected Papers (Cambridge University Press, 1927); reprinted by (Chelsea, 1962); reprinted by (The American Mathematical Society, 2000).Google Scholar
[6]Ramanujan, S.The Lost Notebook and Other Unpublished Papers: (Narosa, 1988).Google Scholar