equivariant stable homotopy theory

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In mathematics, more specifically in topology, the equivariant stable homotopy theory is a subfield of equivariant topology that studies a spectrum with group action instead of a space with group action, as in stable homotopy theory. The field has become more active recently because of its connection to algebraic K-theory.{{cite web|url=http://www.birs.ca/workshops/2012/12w5116/report12w5116.pdf |format=PDF |title=Algebraic K-Theory and Equivariant Homotopy Theory |publisher=Birs.ca |accessdate=2015-03-11}}