6533b85afe1ef96bd12ba026

RESEARCH PRODUCT

A special Calabi–Yau degeneration with trivial monodromy

Sławomir CynkDuco Van Straten

subject

Pure mathematicsMathematics::Algebraic GeometryMonodromySimple (abstract algebra)Applied MathematicsGeneral MathematicsCalabi–Yau manifoldDegeneration (medical)Mathematics::Symplectic GeometryMathematics

description

A well-known theorem of Kulikov, Persson and Pinkham states that a degeneration of a family of K3-surfaces with trivial monodromy can be completed to a smooth family. We give a simple example that an analogous statement does not hold for Calabi–Yau threefolds.

https://doi.org/10.1142/s0219199721500553