Constructs a trivial extension DG-algebra and a unitally positive A∞-algebra, yielding a direct proof that smooth 3-fold flops are classified by their contraction algebras.
Dugas, Periodicity of d -cluster tilted algebras, J.\ Alg.\ 368 (15) 2012, 40--52
1 Pith paper cite this work. Polarity classification is still indexing.
1
Pith paper citing it
fields
math.AG 1years
2024 1verdicts
ACCEPT 1representative citing papers
citing papers explorer
-
Trivial extension DG-algebras, unitally positive $A_\infty$-algebras, and applications
Constructs a trivial extension DG-algebra and a unitally positive A∞-algebra, yielding a direct proof that smooth 3-fold flops are classified by their contraction algebras.