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Results tagged with model-categories
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user 172239
A model category is a category equipped with notions of weak equivalences, fibrations and cofibrations allowing to run arguments similar to those of classical homotopy theory.
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Homotopy pullbacks and homotopy pushouts
Homotopy pullbacks and pushouts are not very similar to pullbacks and pushouts in the category of topological spaces. They are essentially constructions with very nice properties. The most canonical e …
