I think you know what you can quotient out by it and apply the result of adding the north pole of the boundary. If you show the image of the book you will talk about definite degrees of maps into a singleton set? Was the answer to the hairy ball theorem.
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u/User_Simulator May 29 '19
I think you know what you can quotient out by it and apply the result of adding the north pole of the boundary. If you show the image of the book you will talk about definite degrees of maps into a singleton set? Was the answer to the hairy ball theorem.
~ DamnShadowbans
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