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August 27, 2026European Journal of MathematicsOpen Access

Highly connected non-formal Milnor fibers via polyhedral products

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Authors

ASAlexander I. Suciu

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Overview

Mathematical analysis demonstrates arbitrarily highly connected non-formal Milnor fibers via moment-angle complexes, highlighting sharp Kato–Matsumoto connectivity bounds.

Key Points

  • To construct families of weighted-homogeneous polynomials whose Milnor fibers exhibit arbitrarily high topological connectivity while remaining non-formal.
  • Combined the realization theorem of Fernández de Bobadilla with Grbić–Linton systematic Massey product constructions for moment-angle complexes.
  • Generated non-trivial n-fold Massey products in rational cohomology across arbitrary cohomological degrees to remove prior connectivity restrictions.
  • Computed the singular set dimensions for the constructed polynomial families to assess theoretical connectivity limits.
  • Produced weighted-homogeneous polynomials yielding non-formal Milnor fibers of arbitrary connectivity, extending beyond the previous 2-connected limitation.
  • Established the sharpness of the Kato–Matsumoto connectivity bound for the explicitly constructed polynomial families.

Cite This Study

Alexander I. Suciu (2026) studied this question.

synapsesocial.com/papers/6a8fe91710c91c1e92620c2bhttps://doi.org/10.1007/s40879-026-00931-3
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