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arxiv: 1711.06881 · v2 · pith:ZTLZBCKKnew · submitted 2017-11-18 · 🧮 math.GT

Pseudo-Anosov homeomorphisms not arising from branched covers

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keywords pseudo-anosovalgebraicanswerarisingbranchedcoversdefineddegree
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In this paper we provide a negative answer to a question of Farb about the relation between the algebraic degree of the stretch factor of a pseudo-Anosov homeomorphism and the genus of the surface on which it is defined.

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