Recent content by timboj2008

  1. T

    Topology (specifically homotopy) question!

    Could anybody help me with this topology question? i) Prove that every map e: X-> R^n is homotopic to a constant map. ii) If f: X->S^n is a map that is not onto (surjective), show that f is homtopic to a constant map. It's part of a past exam paper but it does not come with solutions...