Tempered vs generic automorphic functions and the canonical filtration on automorphic functions
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arXiv
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| Auteurs principaux: | , , |
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| Format: | Preprint |
| Publié: |
2026
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| _version_ | 1866918445200703488 |
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| author | Gaitsgory, Dennis Lafforgue, Vincent Raskin, Sam |
| author_facet | Gaitsgory, Dennis Lafforgue, Vincent Raskin, Sam |
| contents | We introduce and study the filtration on the space of automorphic functions (in the everywhere unramified situation for the function field case) obtained by transferring the filtration on the spectral side of the classical Langlands conjecture, induced by coherent singular support.
We propose a number of conjectures that tie this filtration (which, by design, arises from the notion of cohomological support) to a filtration on the space of C-valued automorphic functions that arises by considering the analytic spectrum of Hecke operators. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_26925 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Tempered vs generic automorphic functions and the canonical filtration on automorphic functions Gaitsgory, Dennis Lafforgue, Vincent Raskin, Sam Number Theory Algebraic Geometry We introduce and study the filtration on the space of automorphic functions (in the everywhere unramified situation for the function field case) obtained by transferring the filtration on the spectral side of the classical Langlands conjecture, induced by coherent singular support. We propose a number of conjectures that tie this filtration (which, by design, arises from the notion of cohomological support) to a filtration on the space of C-valued automorphic functions that arises by considering the analytic spectrum of Hecke operators. |
| title | Tempered vs generic automorphic functions and the canonical filtration on automorphic functions |
| topic | Number Theory Algebraic Geometry |
| url | https://arxiv.org/abs/2603.26925 |