MATRIX 2019 Interactions: Questions

This page lists the problems posed during the MATRIX 2019 Interactions meeting.

Participants are encouraged to work on researching, refining and even solving the problems.

1 Research Questions

1. Non-orientable quotients of the product of two 2-spheres by Z/4Z
2. Concordance implies isotopy for smooth structures on 3-manifolds?
3. Polytope invariant of a manifold
4. Borel Conjecture for compact aspherical 4-manifolds
5. Embedding homology 3-spheres in the 4-sphere
6. Trisection genus

2 General Questions

1. Prime decomposition theorem in high dimensions
2. Homeomorphisms of balls