Abstract
We show that the minimal dilatation of pseudo-Anosov homeomorphisms of a closed oriented genus-two surface is equal to the largest root of $x^4-x^3-x^2-x+1$, which is approximately 1.72208.
Citation
Jin-Hwan Cho. Ji-Young Ham. "The Minimal Dilatation of a Genus-Two Surface." Experiment. Math. 17 (3) 257 - 267, 2008.
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