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On the automorphisms of some line congruences in ℙ3

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Abstract

The automorphisms of line congruences in ℙ3 are studied via the analysis of the automorphisms of the associated focal loci. This study is applied to a Veronese surface (i.e. to a congruence of chords of a twisted cubic) and to the rational scrolls in the Grassmannian G(1, 3).

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Bertolini, M., Turrini, C. On the automorphisms of some line congruences in ℙ3 . Geom Dedicata 27, 191–197 (1988). https://doi.org/10.1007/BF00151349

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  • DOI: https://doi.org/10.1007/BF00151349

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