Veech groups, irrational billiards and stable abelian differentials
Ferran Valdez
Number | 57 |
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Author | Jose Ferran Valdez-Lorenzo |
Project | B09 |
Year | 2009 |
We describe Veech groups of flat surfaces arising from irrational angled polygonal billiards or irreducible stable abelian differentials. For irrational polygonal billiards, we prove that these groups are non-discrete subgroups of SO(2,R) and we calculate their rank.