Fundamental groups of log Calabi-Yau surfaces

Cécile Gachet, Zhining Liu, Joaquín Moraga

In this article, we study the orbifold fundamental group $\ddot{I}{€}_1^{\mathrm{orb}}(X,\hat{I}”)$ of a Calabi--Yau pair $(X,\hat{I}”)$ with log canonical singularities. We conjecture that the orbifold fun…