I-surfaces with one T-singularity

2020/12/10 by Franciosi, Marco, Pardini, Rita, Rana, Julie +1
#14J10 #14J17 #14J29 #Algebraic Geometry (math.AG) #FOS: Mathematics

paper · doi:10.48550/arxiv.2012.05838

Abstract

We classify normal stable surfaces with K_X² = 1, p_g = 2 and q=0 with a unique singular point which is a non-canonical T-singularity, thus exhibiting two divisors in the main component and a new irreducible component of the moduli space of stable surfaces \gothM_1,3.

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