Lattices and Root Bases

  • François R. Cossec
  • Igor V. Dolgachev
Part of the Progress in Mathematics book series (PM, volume 76)

Abstract

A lattice is a free abelian group M of finite rank rk(M) equipped with a symmetric bilinear form ϕ:MxM → Z. The value of this form on a pair (x,y)∈MxM will be denoted by x•y. We write x2 to denote x•x.

Keywords

Hull fEMO Blow Down Equol 

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Copyright information

© Birkhäuser Boston 1989

Authors and Affiliations

  • François R. Cossec
    • 1
  • Igor V. Dolgachev
    • 2
  1. 1.MATRASaint-Quentin-en-YvenFrance
  2. 2.Department of MathematicsUniversity of MichiganAnn ArborUSA

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