Classification of Plane Congruences in P4(C) (II)
Manuel Pedreira-Perez, Luis-Eduardo Sola-Conde
Abstract
We study second order focal loci of nondegenerate plane congruences in P4(C) with degenerate focal conic. We show the projective generation of such congruences when the second order focal locus fills a component of the focal conic, improving a result of Corrado Segre
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