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math.AG2008
Gonality of a general ACM curve in projective 3-space
Robin Hartshorne, Enrico Schlesinger
Let C be an ACM (projectively normal) nondegenerate smooth curve in projective 3-space, and suppose C is general in its Hilbert scheme - this is irreducible once the postulation is…
math.AG1999
Curves in the double plane
Robin Hartshorne, Enrico Schlesinger
We study locally Cohen-Macaulay curves in projective three-space which are contained in a double plane 2H, thus completing the classification of curves lying on surfaces of degree…