6 ms·
What about this guy's book? https://math.uchicago.edu/~dannyc/books/4dpoincare/4dpoincare.html https://math.uchicago.edu/~dannyc/books/4dpoincare/4dpoincar...
by korbonits 5y ago
What about this guy's book?
https://math.uchicago.edu/~dannyc/books/4dpoincare/4dpoincare.html https://math.uchicago.edu/~dannyc/books/4dpoincare/4dpoincar...
- codethief 5y agoRelevant: https://mathoverflow.net/questions/87674/independent-evidence-for-the-classification-of-topological-4-manifolds#comment881086_87674 https://mathoverflow.net/questions/87674/independent-evidenc...