Shifted Partial Quadratics, their Pushforwards, and Signature Invariants for Tangles
Dror Bar-NatanAGDT Seminar
on 11/17/23
Abstract: The local behavior of a holomorphic function at a critical point is described by the Milnor f ibration. We explain how the ideal generated by the function’s partial derivatives in the local power series ring can be used to obtain information about this behavior, and in particular its variation in families, for arbitrary-dimensional singularities.