Triangulation-dependent conjecture for the Łojasiewicz exponent

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Let f∈C{z0,z1,…,zn}f\in\mathbb{C}\{z_0,z_1,\ldots,z_n\} be Newton nondegenerate and define an isolated singularity, and let T\mathcal{T} be a triangulation of its Newton diagram Γ(f)\Gamma(f). Let FneT\mathcal{F}_{\mathrm{ne}}^{\mathcal{T}} denote the subset of coordinate facets selected by the triangulation-dependent nonexceptionality condition, and let M(F)\mathcal{M}(F) be the maximal axial number of a coordinate facet FF.

Triangulation-dependent Łojasiewicz conjecture. Then

L(f,0)=max⁡F∈FneTM(F)−1,\mathop{\mathcal{L}}(f,0)=\max_{F\in\mathcal{F}_{\mathrm{ne}}^{\mathcal{T}}}\mathcal{M}(F)-1,

with the possible exception of a Morse point in an even number of variables.

This conjecture is proposed as a replacement for the refuted Brzostowski–Krasiński–Oleksik conjecture and is motivated by local hh-polynomials and a formula for the Newton number. The source does not provide evidence resolving it.

References

Primary source

Baldur Sigurðsson, “On the Jacobian polygon and Łojasiewicz exponent of isolated complex hypersurface singularities”, arXiv:2509.06150 (2025).

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