2 problems

For each integer $n\ge 3$, let $(\alpha_1,\ldots,\alpha_n,\beta_1,\ldots,\beta_n)$ be the parameters used in the paper's construction of PPT states in $M_n\otimes M_n$, and let the…

Let ${\mathscr{P}}_\delta[\zeta]:H^2[\zeta]\to L^2[\zeta]$ be the family of edge operators, with Dirac points $(\xi_\star^A,E_\star)$ and $(\xi_\star^B,E_\star)$ satisfying…