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arXiv 1302.0913math.DSmath.GT
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具有完全退化Kontsevich-Zorich谱的仿射不变子流形

Affine Invariant Submanifolds with Completely Degenerate Kontsevich-Zorich Spectrum

David Aulicino

摘要:

证明了如果仿射SL $(2,\mathbb{R})$不变子流形上的Kontsevich-Zorich上圈的李雅普诺夫谱是完全退化的,即$λ_2 = \cdots = λ_g = 0$,则该子流形必定是亏格为3,4,5的曲面上Abel微分的模空间中的算术Teichmueller曲线.作为推论,我们证明了最多有1000个这样的Teichmueller曲线。

英文摘要:

We prove that if the Lyapunov spectrum of the Kontsevich-Zorich cocycle over an affine SL$(2,\mathbb{R})$-invariant submanifold is completely degenerate, i.e. $λ_2 = \cdots = λ_g = 0$, then the submanifold must be an arithmetic Teichmueller curve in the moduli space of Abelian differentials over surfaces of genus three, four, or five. As a corollary, we prove that there are at most finitely many such Teichmueller curves.

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