Abstract
We prove that the largest accumulation point of the set T 3 of all three-dimensional log canonical thresholds c(X, F) is 5/6.
ACKNOWLEDGMENTS
This work was completed during my stay at Max-Planck-Institut für Mathematik. I would like to thank MPIM for hospitality and support. I am grateful to Dr. O. Fujino for pointing out several inaccuracies in the first draft.
This work was partially supported by the grant INTAS-OPEN-97-2072.