27 citations · 122 across the 27 of their papers we have counts for
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math.AG2015
Birationally rigid Pfaffian Fano 3-folds
Hamid Abban, Takuzo Okada
We classify birationally rigid orbifold Fano 3-folds of index one defined by Pfaffians. We give a sharp criterion for birational rigidity of these families based on th…
math.AG2015
Nonrational del Pezzo fibrations admitting an action of the Klein simple group
Takuzo Okada
We present a series of del Pezzo fibrations of degree admitting an action of the Klein simple group and prove their nonrationality by the reduction modulo method of Kollár.…
math.AG2015
Birational rigidity of del Pezzo fibrations with quotient singularities and its application
Takuzo Okada
In this paper we give a criterion for birational rigidity of del Pezzo fibrations of degree 1 and 2 with only quotient singularities. As an application, we prove birational rigidit…