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Two Irreducible Components of the Moduli Space M can 1,3
(2012)
- This thesis is devoted to study two families of surfaces of general type: extended Burniat surfaces with K^2=3 and Keum-Naie-Mendes Lopes-Pardini surfaces. We focus on the corresponding subsets in the Gieseker moduli space. Extended Burniat surfaces with K^2=3 were constructed by Bauer and Catanese in the course of studying the tertiary Burniat surfaces and they showed that their closure is an irreducible component of the moduli space. We prove here the union of the loci described by them is indeed a full irreducible component. We also study the local deformations of two families of degenerations of the extended Burniat surfaces. Keum-Naie-Mendes Lopes-Pardini surfaces are the surfaces constructed by Mendes Lopes and Paridini, which realize the Keum-Naie surfaces with K^2=3 as degenerations. We reconstruct a subfamily of such surfaces and investigate their deformations. We show that the closure of the corresponding subset of the Keum-Naie-Mendes Lopes-Pardini surfaces is an irreducible component of the moduli space.
