Conjecture on the first Lyapunov exponent for strata with many poles
Conjecture on the first Lyapunov exponent for strata with many poles
Fix a genus . Let be a sequence of connected components of strata, let be the number of poles in the stratum containing , and suppose that tends to infinity. Write for the first positive Lyapunov exponent of . Many-poles Lyapunov-exponent conjecture. One has
The broader Grivaux–Hubert conjecture is refuted when the number of zeros stays bounded, but numerical experiments suggest this weaker statement when the number of zeros and poles both tend to infinity. Its status is not resolved in the supplied text.
Sources & referencesView supporting material
Primary source
Charles Fougeron, “Lyapunov exponents of the Hodge bundle over strata of quadratic differentials with large number of poles”, arXiv:1611.07728 (2017).
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