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A q-analogue of Graf's addition formula for the Hahn-Exton q-Bessel function

Erik Koelink, René F. Swarttouw

math.CAarXiv:math/9404217

Abstract

An addition and product formula for the Hahn-Exton q-Bessel function, previously obtained by use of a quantum group theoretic interpretation, are proved analytically. A (formal) limit transition to the Graf addition formula and corresponding product formula for the Bessel function is given.

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