What is the status of the 4-dimensional Smale Conjecture?
This problem is completely open.
Tadayuki Watanabe has a preprint for the disproof here: https://arxiv.org/abs/1812.02448
This problem is completely open.
Tadayuki Watanabe has a preprint for the disproof here: https://arxiv.org/abs/1812.02448