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Four Lines in Space

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Abstract.

We introduce an invariant of sets of four lines in three-dimensional projective space which classifies these sets up to linear equivalence, and we relate this invariant to the representation theory of the infinite dihedral group.

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Authors and Affiliations

  1. Departament de Matemàtiques, Universitat Autònoma de Barcelona, 08193, Cerdanyola del Vallès, Spain

    Jaume Aguadé

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  1. Jaume Aguadé
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Correspondence to Jaume Aguadé.

Additional information

The author is supported by grants MTM2004-06686, PR2007-0097 and SGR2005-00606.

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Aguadé, J. Four Lines in Space. J. Geom. 92, 1–16 (2009). https://doi.org/10.1007/s00022-008-2038-8

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  • DOI: https://doi.org/10.1007/s00022-008-2038-8

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