The product of sphere and torus is parallelizable. How to prove this? Help solve this question, this is qualifying exams of Hopkins university.
The product of sphere and torus is parallelizable. How to prove this?
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algebraic-topology
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0Namely,S^2×T^2 is parallelizable. – 2011-06-23
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2don't add information important to answering the question in comments: edit the actual question and include it there. – 2011-06-23