Markov numbers, Mather's beta-function and stable norm
V. Fock [7] introduced an interesting function ψ(x), x ∈ R related to Markov numbers. We explain its relation to Federer-Gromov’s stable norm and Mather’s β-function, and use this to study its properties. We prove that ψ and its natural generalisations are differentiable at every irrational x and no...
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| Main Authors: | , |
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| Format: | Default Article |
| Published: |
2019
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| Subjects: | |
| Online Access: | https://hdl.handle.net/2134/36930 |
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