2 problems

Let $\T_{a,b,d}$ be the trapezoid model in the simplex described above, with parameters $a$, $b$, and $d$, and let $D(\T_{a,b,d})$ denote its maximum divergence. Trapezoid-model di…

Factorization conjecture. The determinant of $A(\Sigma)_{\cdot,E}$ factorizes as