A Künneth Theorem for p-Adic Groups

• Autores: A. Raghuram
• Localización: Canadian mathematical bulletin, ISSN 0008-4395, Vol. 50, Nº 3, 2007, págs. 440-446
• Idioma: inglés
• DOI: 10.4153/cmb-2007-043-5
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• Resumen

  • Let G1 and G2 be p-adic groups. We describe a decomposition of Ext-groups in the category of smooth representations of G1 \times G2 in terms of Ext-groups for G1 and G2. We comment on Ext1G(pi,pi) for a supercuspidal representation pi of a p-adic group G. We also consider an example of identifying the class, in a suitable Ext1, of a Jacquet module of certain representations of p-adic GL2n.