2 papers
math.NT2024
Paramodular forms from Calabi-Yau Operators
Nutsa Gegelia, Duco van Straten
In this note we report on the conjectural identification of paramodular forms from Calabi-Yau motives of Hodge type (1, 1, 1, 1) of moderately low conductor. We calculate Euler fac…
math.AG2008
Small Resolutions and Non-Liftable Calabi-Yau threefolds
S. Cynk, D. van Straten
We use properties of small resolutions of the ordinary double point in dimension three to construct smooth non-liftable Calabi-Yau threefolds. In particular, we construct a smooth…