Non-commutative width and Gopakumar-Vafa invariants
Yukinobu Toda
所有作者
Yukinobu Toda
文献摘要
We show that the non-commutative widths for flopping curves on smooth 3-folds
introduced by Donovan-Wemyss are described by Katz’s genus zero Gopakumar-Vafa
invariants.