If the monodromy representation of a VHS over a hyperbolic curve stabilizes a rank two subspace, there is a single non-negative Lyapunov exponent associated with it. We derive an explicit formula using only the representation in the case when the monodromy is discrete.
Si la représentation de monodromie d’une variation de structures de Hodge sur une courbe hyperbolique stabilise un sous-espace de rang 2, elle possède un seul exposant de Lyapunov non-negative. Nous deduisons une formule explicite pour cet exposant dans le cas où la monodromie est discrète en employant seulement la représentation.
Keywords: Lyapunov exponent, Kontsevich-Zorich cocycle, variations of Hodge structures
Mot clés : Exposants de Lyapunov, cocycle de Kontsevich-Zorich, variations de structures de Hodge
Kappes, André 1
@article{AIF_2014__64_5_2037_0, author = {Kappes, Andr\'e}, title = {Lyapunov {Exponents} of {Rank} $2${-Variations} of {Hodge} {Structures} and {Modular} {Embeddings}}, journal = {Annales de l'Institut Fourier}, pages = {2037--2066}, publisher = {Association des Annales de l{\textquoteright}institut Fourier}, volume = {64}, number = {5}, year = {2014}, doi = {10.5802/aif.2903}, zbl = {1314.32020}, mrnumber = {3330930}, language = {en}, url = {https://aif.centre-mersenne.org/articles/10.5802/aif.2903/} }
TY - JOUR AU - Kappes, André TI - Lyapunov Exponents of Rank $2$-Variations of Hodge Structures and Modular Embeddings JO - Annales de l'Institut Fourier PY - 2014 SP - 2037 EP - 2066 VL - 64 IS - 5 PB - Association des Annales de l’institut Fourier UR - https://aif.centre-mersenne.org/articles/10.5802/aif.2903/ DO - 10.5802/aif.2903 LA - en ID - AIF_2014__64_5_2037_0 ER -
%0 Journal Article %A Kappes, André %T Lyapunov Exponents of Rank $2$-Variations of Hodge Structures and Modular Embeddings %J Annales de l'Institut Fourier %D 2014 %P 2037-2066 %V 64 %N 5 %I Association des Annales de l’institut Fourier %U https://aif.centre-mersenne.org/articles/10.5802/aif.2903/ %R 10.5802/aif.2903 %G en %F AIF_2014__64_5_2037_0
Kappes, André. Lyapunov Exponents of Rank $2$-Variations of Hodge Structures and Modular Embeddings. Annales de l'Institut Fourier, Volume 64 (2014) no. 5, pp. 2037-2066. doi : 10.5802/aif.2903. https://aif.centre-mersenne.org/articles/10.5802/aif.2903/
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