On the discrete spectrum of certain discrete groups

DOI10.1090/S0273-0979-1991-15966-5zbMath0722.11030OpenAlexW1995754401MaRDI QIDQ5754023

Isaac Efrat

Publication date: 1991

Published in: Bulletin of the American Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1090/s0273-0979-1991-15966-5

zbMATH Keywords

automorphic formsgraph of groupsBruhat-Tits buildingspectral deformation

Mathematics Subject Classification ID

Graphs and abstract algebra (groups, rings, fields, etc.) (05C25) (p)-adic theory, local fields (11F85) Automorphic forms, one variable (11F12) Spectral theory; trace formulas (e.g., that of Selberg) (11F72) Groups with a (BN)-pair; buildings (20E42) Groups acting on trees (20E08) Infinite automorphism groups (20B27)

Related Items (1)

On the Existence of Maass Cusp Forms on Hyperbolic Surfaces with Cone Points

Cites Work

• On cusp forms for co-finite subgroups of PSL(2,\({\mathbb{R}})\)
• Spectral deformations of automorphic functions over graphs of groups
• On the existence of cusp forms over function fields.
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