The Segal-Bargmann transform for the heat equation associated with root systems

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We study the heat equation associated to a multiplicity function on a root system, where the corresponding Laplace operator has been defined by Heckman and Opdam. In particular, we describe the image of the associated Segal-Bargmann transform as a space of holomorphic functions. In the case where the multiplicity function corresponds to a Riemannian symmetric space G/K of noncompact type, we obtain a description of the image of the space of K-invariant L^2-function on G/K under the Segal-Bargmann transform associated to the heat equation on G/K, thus generalizing (and reproving) a result of B. Hall for spaces of complex type.
Two corrections

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Analysis of PDEs, 33C67

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http://salesiana.dossiersoluciones.com/handle/123456789/102219

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0509057
 http://arxiv.org/abs/math/0509057

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arXiv