3 problems

A rational ruled surface $X$ is a rational symplectic $4$-manifold admitting a ruling; its first Chern number satisfies $c_1^2(X)>0$. Symplectic tori in $X$ are homologous if they…

Qin's dual-torus Fukaya-category conjecture. The Fukaya category of $(T,B+i\omega)$ should be equivalent to the Fukaya category of its dual $(T^\vee,(B+i\omega)^{-1})$.

Qin's u-part Floer cohomology conjecture. There is an isomorphism