Flasque Model Structures for Simplicial Presheaves |
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Authors: | Daniel C Isaksen |
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Institution: | (1) Department of Mathematics, Wayne State University, Detroit, MI 48202, USA |
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Abstract: | It is well known that there are two useful families of model structures on presheaves: the injective and projective. In fact,
there is at least one more: the flasque. For some purposes, both the projective and the injective structure run into technical
and annoying (but surmountable) difficulties for different reasons. The flasque model structure, which possesses a combination
of the convenient properties of both structures, sometimes avoids these difficulties.
(Received: February 2006) |
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Keywords: | simplicial presheaf motivic homotopy theory model category |
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