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math.AG2013
-Gorenstein smoothings of surfaces and degenerations of curves
Giancarlo Urzúa
In this paper we mainly describe -Gorenstein smoothings of projective surfaces with only Wahl singularities which have birational fibers. For instance, these degenerati…
math.AG2013
Identifying neighbors of stable surfaces
Giancarlo Urzúa
We identify the stable surfaces around the stable limit of the examples of Y. Lee and J. Park [LP07], and H. Park, J. Park and D. Shin [PPS09] using the explicit 3-fold Mori theory…