Weak equivalences of simplicial presheaves

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dc.creatorDugger, Daniel
dc.creatorIsaksen, Daniel C.
dc.date2002-05-02
dc.date.accessioned2026-07-07T04:48:14Z
dc.date.available2026-07-07T04:48:14Z
dc.descriptionThe usual way of defining weak equivalences for simplicial presheaves is to require an isomorphism on all sheaves of homotopy groups. We unravel some of the machinery here, and give a more concrete description in terms of local homotopy lifting properties. This characterization is used to prove some basic facts about the local homotopy theory of simplicial presheaves.
dc.identifierhttps://arxiv.org/abs/math/0205025
dc.identifierhttp://arxiv.org/abs/math/0205025
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/63967
dc.subjectAlgebraic Topology
dc.subject55U35,18F20
dc.titleWeak equivalences of simplicial presheaves
dc.typetext

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