#16102: Including code to compute Lyapunov exponents for translation surfaces.
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Reporter: Fougeroc | Owner:
Type: task | Status: new
Priority: major | Milestone: sage-6.2
Component: geometry | Keywords:
Merged in: | lyapunov_exponents,
Reviewers: | translation_surfaces, geometry,
Work issues: | sagedays57
Commit: | Authors: Fougeroc
048431e8b786dd92e21b59620c8863482a90f970| Report Upstream: N/A
Stopgaps: | Branch:
|
u/Fougeroc/Lyapunov_exponents_for_translation_surfaces
| Dependencies:
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Code for studying lyapunov exponents of translation surfaces and their
covers.
TODO:
* See compatibility with other existing code for interval echanges and
strata
* It seems to work in most of the examples,
there is a bug for zero lyapunov exponents when decomposing in
isotropic components :
{{{
sage: R = intex.cyclic_cover_iet(4, [1, 1, 1, 1])
sage: R.lyapunov_exponents_H_plus()
[0.9996553085103, 0.0007776980910571506, 0.00022201024035355403]
sage: R.lyapunov_exponents_H_plus_isotopic()
[[], [1.0002381322489762], [-0.09753642448496574], [-0.09750440918016302]]
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/16102>
Sage <http://www.sagemath.org>
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