8
$\begingroup$

The product of sphere and torus is parallelizable. How to prove this? Help solve this question, this is qualifying exams of Hopkins university.

  • 0
    Namely,S^2×T^2 is parallelizable.2011-06-23
  • 2
    don't add information important to answering the question in comments: edit the actual question and include it there.2011-06-23

2 Answers 2