Vol. 123, No. 2, 1986

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Space curves that intersect often

Steven P. Diaz

Vol. 123 (1986), No. 2, 263–267
Abstract

In intersection theory one tries to understand X Y in terms of information about how X and Y lie in an ambient variety Z. When the sum of the codimensions of X and Y in Z exceeds the dimension of Z not much is known in this direction. The purpose of this note is to provide some results in perhaps the simplest nontrivial case of this—that of curves in P3 (projective three space). A weaker result for Pn is also obtained. We work over any fixed algebraically closed field of arbitrary characteristic.

Mathematical Subject Classification 2000
Primary: 14H45
Secondary: 14H50
Milestones
Received: 20 March 1985
Revised: 2 July 1985
Published: 1 June 1986
Authors
Steven P. Diaz