4 problems
Compatible-extraction conjecture. If the partitions are given by , then there exists a compatible collection of divisoria…
Random-curve taut smoothing conjecture. A random curve has a taut smoothing.
Looijenga's conjecture. The cusp is smoothable if and only if the minimal resolution of the dual cusp sits on a rational surface.
Weighted-homogeneity conjecture. Suppose a rational surface singularity has a HD smoothing. Then the singularity is weighted homogeneous, hence is one of the known examp…