2 problems

Let $(W^5,M_0,M_1)$ be a $5$-dimensional topological s-cobordism. s-cobordism conjecture. Then $W$ is homeomorphic to the product … This is the four-dimensional topological s-cobor…

Disk embedding up to s-cobordism conjecture. There should be an $s$-cobordism of the immersion $A$ to a topological embedding.