Abstract
We show that every Kac-Moody algebra is birationally equivalent to a smash biproduct of two copies of a Weyl algebra together with a polynomial algebra. We also show that the same is true for quantized Kac-Moody algebras where one replaces Weyl algebras with their quantum analogues.
Original language | English |
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Article number | 103451 |
Journal | Bulletin des Sciences Mathematiques |
Volume | 193 |
DOIs | |
Publication status | Published - Jul 2024 |
Bibliographical note
Publisher Copyright:© 2024 Elsevier Masson SAS
Keywords
- Birational equivalence
- Gelfand-Kirillov conjecture
- Kac-Moody algebras
- Quantized Kac-Moody algebras