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Fibration models and localisation of categories

โœ Scribed by Luca Mauri


Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
302 KB
Volume
180
Category
Article
ISSN
0022-4049

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Let F ฮน โ†’ E f B be a fibration, we focus on the relation between the homotopy invariants cat E, cat F and cat B. The general formula due to Hardie says that cat E (cat ฮน + 1) โ€ข (cat f + 1) -1; if the fibration is trivial, this upper bound can be replaced by cat F + cat B. In this paper, we introduce