(1) Department of Mathematics, Konkuk University, Kwangjin-Gu Hwayang-Dong 1, 143-701 Seoul, Korea
Abstract:
In this note we classify (1) a polarized smooth Fano threefold (X,H) for which |H| fails to be very ample and (2) a nef divisor N on a smooth Fano threefold with Bs|N|.Mathematics Subject Classification (2000): 14C20, 14J45, 14E25The author was supported in part by KOSEF Grant #R14 -2002-007-01001-0(2002).
.Mathematics Subject Classification (2000): 14C20, 14J45, 14E25The author was supported in part by KOSEF Grant #R14 -2002-007-01001-0(2002).