Parity version of Zariski's multiplicity conjecture

Let f,g ⁣:(Cn,0)(C,0)f,g\colon(\mathbb{C}^n,0)\to(\mathbb{C},0) be reduced holomorphic function-germs. Suppose there is a homeomorphism φ ⁣:(Cn,0)(Cn,0)\varphi\colon(\mathbb{C}^n,0)\to(\mathbb{C}^n,0) such that f=gφf=g\circ\varphi. Parity multiplicity conjecture. Then

m(V(f),0)m(V(g),0)(mod2).m(V(f),0)\equiv m(V(g),0)\pmod 2.

This is presented as another version of the Zariski multiplicity conjecture, and the supplied text gives no evidence that it has been solved or refuted.

Sources & referencesView supporting material

Primary source

José Edson Sampaio, “On the Milnor fibres of initial forms of topologically equivalent holomorphic functions”, arXiv:2503.17127 (2025).

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