Formal rigidity of the Witt and Virasoro Algebra
Alice Fialowski
TL;DR
This paper provides an elementary proof of the formal rigidity of the Witt and Virasoro algebras, which were previously established but not explicitly proven in an accessible manner.
Contribution
The paper offers a simplified, elementary proof of the formal rigidity of the Witt and Virasoro algebras, making the results more accessible.
Findings
Confirmed the formal rigidity of Witt and Virasoro algebras
Provided an elementary proof approach
Simplified understanding of algebraic rigidity
Abstract
The formal rigidity of the Witt and Virasoro algebras was first established by the author in [4]. The proof was based on some earlier results of the author and Goncharowa, and was not presented there. In this paper we give an elementary proof of these facts.
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