2 problems

Let $D$ be a circular spherical divisor, meaning a topological divisor consisting of a cycle of spheres, and let $b^+(D)$ denote the positive index of its intersection form. The as…

Torus-bundle conjecture. There exists $\varepsilon=\varepsilon(m,l,\iota)>0$ such that these assumptions imply that $M$ is a torus bundle over $X$. This is presented as an open pro…