Correspondence | The Langlands Correspondence

Summary
R. Langlands conjectured the existence of a correspondence between automorphic spectrums of Hecke algebras and representations of Galois groups of global fields. The existence of such correspondence is one of the main conjectures in mathematics. Even if not known in full generality it leads to proofs of Ferma and Sato-Tate conjectures.

This project is on three aspects of the Langlands correspondence. The first part of this project is a description of the spectrum of Hecke algebras on the space generated by pseudo Eisenstein series of cuspidal automorphic forms of Levi subgroups. In the simplest non-trivial case, the precise description is a conjecture of Langlands. This conjecture is proven in my work with A. Okounkov, by an unexpected topological interpretation. I expect this approach to work in a number of other cases.

The second part of this project is an extension of the Langlands correspondence to a completely new area of fields of rational functions on curves over local fields. This extension of the Langlands correspondence to a new area could lead to new interplays between Representation Theory and Number Theory.

The third part of the project is on a categorification of the Langlands correspondence necessary for establishing the strong form of this correspondence.
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Web resources: https://cordis.europa.eu/project/id/101142781
Start date: 01-05-2024
End date: 30-04-2029
Total budget - Public funding: 1 976 875,00 Euro - 1 976 875,00 Euro
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Original description

R. Langlands conjectured the existence of a correspondence between automorphic spectrums of Hecke algebras and representations of Galois groups of global fields. The existence of such correspondence is one of the main conjectures in mathematics. Even if not known in full generality it leads to proofs of Ferma and Sato-Tate conjectures.

This project is on three aspects of the Langlands correspondence. The first part of this project is a description of the spectrum of Hecke algebras on the space generated by pseudo Eisenstein series of cuspidal automorphic forms of Levi subgroups. In the simplest non-trivial case, the precise description is a conjecture of Langlands. This conjecture is proven in my work with A. Okounkov, by an unexpected topological interpretation. I expect this approach to work in a number of other cases.

The second part of this project is an extension of the Langlands correspondence to a completely new area of fields of rational functions on curves over local fields. This extension of the Langlands correspondence to a new area could lead to new interplays between Representation Theory and Number Theory.

The third part of the project is on a categorification of the Langlands correspondence necessary for establishing the strong form of this correspondence.

Status

SIGNED

Call topic

ERC-2023-ADG

Update Date

24-11-2024
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Horizon Europe
HORIZON.1 Excellent Science
HORIZON.1.1 European Research Council (ERC)
HORIZON.1.1.1 Frontier science
ERC-2023-ADG ERC ADVANCED GRANTS