Homotopy limits of triples (Q1873749)
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scientific article; zbMATH DE number 1917850
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Homotopy limits of triples |
scientific article; zbMATH DE number 1917850 |
Statements
Homotopy limits of triples (English)
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27 May 2003
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Let \(\mathbf E\) be a unitary ring spectrum, and define a functor \(E:{\mathcal S}_* \to {\mathcal S}_*\) from the category of pointed spaces to itself by the rule \(E:X\mapsto \Omega^\infty(\Sigma^\infty X\wedge {\mathbf E})\). If \(E\) is an \(S\)-algebra or a symmetric spectrum, then \(E\) is a triple on \({\mathcal S}_*\) and is also a continuous functor in the sense that the natural map \[ \text{ map}_*(X,Y) \to \text{ map}_*(EX,EY) \] of spaces is continuous. There is then a cosimplical resolution \(E^\bullet X\) and partial terms \(E^{\bullet \leq n} = {\text{ Tot}}_n(E^\bullet_{\text{ fib}} X)\), (where \(E^\bullet_{\text{ fib}} X\) comes with a Reedy fibrant approximation). The main result shows that \(E_n\) is a homotopy functor, and that the induced functor on the homotopy category is a triple.
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homotopy limits
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triples
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completions
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