3 problems

Let $M\to S^2$ be a Seifert fibered rational homology sphere with fiber multiplicities $d_1,\dots,d_k$. Seifert H-cobordism conjecture. If $M$ is rationally H-cobordant to zero, th…

Let $G$ be a finite group acting on a manifold $M$, and let $X$ be a $G$-space. The $G$-spectrum $\textbf{A}_G(X)$ is the equivariant $A$-theory spectrum constructed in Cary and Mo…

Akbulut's cork conjecture. It might be possible to choose $A$ so that