(1,k) CFT and RH problem with the c=-2 case

Mikhail Bershtein, Andrei Grigorev, Anton Shchechkin

Following approach of Iorgov--Lisovyy--Teschner, we construct solutions of the (modified) Riemann--Hilbert problem using conformal blocks of $(1,k)$ Virasoro models. For $k>1$ case…