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Tame automorphism group

Groups acting on CAT(0) spaces September 27, 2016 - September 30, 2016

September 28, 2016 (09:00 AM PDT - 09:50 AM PDT)
Speaker(s): Piotr Przytycki (McGill University)
Location: MSRI: Simons Auditorium
  • CAT(0) space

  • Riemannian geometry

  • polynomials and algebraic geometry

  • Jacobians

  • automorphism groups

  • non-positive curvature

  • Symmetric space

  • group actions

  • buildings and complexes

Primary Mathematics Subject Classification
Secondary Mathematics Subject Classification No Secondary AMS MSC



We study the group of polynomial automorphisms of C^3 generated by affine maps and all (x,y,z)->(x+P(y,z),y,z). We exhibit a contractible hyperbolic 2-complex on which that group acs. We also find a loxodromic weakly properly discontinuous element. This is joint work with Stephane Lamy

26813?type=thumb Przytycki.Notes 764 KB application/pdf Download
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