Revised minimum-dilatation conjecture for 10-strand pseudo-Anosov braids

Let $\underline{\delta}_9$ be the stated candidate value for the minimum dilatation of pseudo-Anosov braids with 9 strands, and let $x$ denote the variable in its defining polynomial. 10-strand minimum-dilatation conjecture. The minimum dilatation among pseudo-Anosov braids with 10 strands equals

$$\underline{\delta}_9=\left|x^9-2x^5-2x^4+1\right|.$$

This revises Venzke's conjecture in the case $n=10$, after the original prediction was shown to fail there. The remaining values of $\delta_n$ are presented as an outstanding computational problem in the source.