= Representation up to homotopy
{wiki=Representation_up_to_homotopy}
Representation up to homotopy is a concept in algebraic topology and homotopy theory, which pertains to the study of topological spaces and the relationships between their homotopy types. To understand this concept clearly, we need to unpack some of the terminology involved. \#\#\# Representations In a general mathematical sense, a representation relates a more abstract algebraic structure (like a group or a category) to linear transformations or geometric objects.
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