Monodromy representations and Lyapunov exponents of origamis

Origamis are translation surfaces obtained by gluing finitely many unit squares and provide an easy access to Teichmüller curves. In particular, their monodromy represenation can be explicitely determined. A general principle for the decomposition of this represenation is exhibited and applied to e...

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Main Author: Kappes, André (auth)
Format: Electronic Book Chapter
Language:English
Published: KIT Scientific Publishing 2011
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245 1 0 |a Monodromy representations and Lyapunov exponents of origamis 
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520 |a Origamis are translation surfaces obtained by gluing finitely many unit squares and provide an easy access to Teichmüller curves. In particular, their monodromy represenation can be explicitely determined. A general principle for the decomposition of this represenation is exhibited and applied to examples. Closely connected to it is a dynamical cocycle on the Teichmüller curve. It is shown that its Lyapunov exponents, otherwise inaccessible, can be computed for a subrepresentation of rank two. 
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653 |a variation of Hodge structures 
653 |a Lyapunov exponent 
653 |a square-tiled surface 
653 |a Kontsevich-Zorich cocycle 
653 |a Teichmüller curve 
653 |a Veech group 
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