2009/04/23 by Takagi, Hiromichi, Zucconi, Francesco
#14E30 (Primary) 14J45 #14H10 #14M20 (Secondary) #14N05 #Algebraic Geometry (math.AG) #FOS: Mathematics
paper · doi:10.48550/arxiv.0904.3591
By the technique of 3-fold Mori theory, we prove that the moduli space whose general point parameterizes a couple of a smooth curve of genus 4 and a halfcanonical divisor with vanishing global section is rational.