Rational surfaces with too many vector fields

Gerald Neuman
1979 Proceedings of the American Mathematical Society  
A method is given for constructing smooth rational surfaces with nonreduced automorphism groups, by a sequence of blow-ups of the projective plane. The technique works in all positive characteristics.
doi:10.1090/s0002-9939-1979-0537071-7 fatcat:4pes55irb5achmp3eyhrholsai