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Homotopy groups are tools used in [[algebraic topology]] to classify [[topological space]]s.  The different ways to map an '''n-sphere''' continuously into a given topological space are divided into equivalence classes, called '''homotopy classes'''.

'''Homotopy groups''' are tools used in [[algebraic topology]] to classify [[topological space]]s.  The different ways to map an '''n-[[sphere]]''' continuously into a given topological space are divided into [[equivalence class]]es, called '''homotopy classes'''.

[[category: Topology]]

[[category: Topology]]

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