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Usted está aquí: Inicio / Actividades / Coloquios / Coloquio de Ciudad Universitaria / Actividades del Coloquio / Kravchuk and Meixner polynomials of a discrete variable and irreducible representations of the Lie groups SO(3) and SO(2,1)

Kravchuk and Meixner polynomials of a discrete variable and irreducible representations of the Lie groups SO(3) and SO(2,1)

Ponente: Natig Atakishiyev
Institución: IM-UNAM, Cuernavaca
Cuándo 01/04/2014
de 12:00 a 13:00
Dónde Auditorio "Alfonso Nápoles Gándara"
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Resumen:

The study of Lie algebra and group irreducible representations has traditionally considered their action on functions of a continuous manifold (e.g. the `rotation' Lie algebra so(3) on functions on the sphere). We show that functions of a discrete variable, which are not well known in the main stream literature, are on equal footing for that study in the case of low-dimensional Lie algebras and groups. In particular, Kravchuk functions are actually `encoded' within finite-dimensional irreducible unitary representations of the group SO(3), whereas Meixner functions are associated with infinite-dimensional irreducible unitary representations of the three-dimensional Lorentz group SO(2,1).

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