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badges vote answer views does circle with the chord is homotopy equivalent to "eight"?
i need to compute the fundamental group (and other homotopy groups) of the circle with the chord (or diameter, it doesn't matter). if i understand all correctly, then this topological space is ... algebraic-topology fundamental-groups asked dec ' at : richrow silver badges bronze badges votes answers...
https://math.stackexchange.com/questions/tagged/fundamental-groups