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Reproducing groups for the metaplectic representation
Conference proceeding

Reproducing groups for the metaplectic representation

E. Cordero, F. De Mari, K. Nowak and A. Tabacco
PSEUDO-DIFFERENTIAL OPERATORS AND RELATED TOPICS, Vol.164
Operator Theory Advances and Applications
01 Jan 2006

Abstract

Mathematics Mathematics, Applied Physical Sciences Science & Technology
We consider the (extended) metaplectic representation of the semi-direct product G of the symplectic group and the Heisenberg group. By looking at the standard resolution of the identity formula and inspired by previous work [5], [13], [4], we introduce the notion of admissible (reproducing) subgroup of G via the Wigner distribution. We prove some features of admissible groups and then exhibit an explicit example (d = 2) of such a group, in connection with wavelet theory.

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Mathematics, Applied