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math.AG2002
On certain families of elliptic curves in projective space
Igor V. Dolgachev
We study families of elliptic curves of degree n+1 in containing a fixed set of m points. In the case m = n+3 we show that this family is birationally isomorphic to a smooth…
math.AG2002
A supersingular K3 surface in characteristic 2 and the Leech lattice
I. Dolgachev, S. Kondo
We construct a K3 surface over an algebraically closed field of characteristic 2 which contains two sets of 21 disjoint smooth rational curves such that each curve from one set int…