Homotopy Category

In mathematics, a homotopy category is a category whose objects are topological spaces and whose morphisms are homotopy classes of continuous functions. The homotopy category of all topological spaces is often denoted hTop or Toph.

Read more about Homotopy Category:  Definition and Examples, Homotopy Theory, Generalizations

Famous quotes containing the word category:

    The truth is, no matter how trying they become, babies two and under don’t have the ability to make moral choices, so they can’t be “bad.” That category only exists in the adult mind.
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