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Konrad Völkel
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© 2026 Konrad Völkel

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#Model Categories

Model categories were introduced by Daniel Quillen to conveniently work in analogue situations in homological algebra, category theory and homotopy theory.

All these fundamental groups!

Model structures on simplicial presheaves

Cellular objects in the motivic model category

Cellular objects: CW complexes

Categorical background for A¹-homotopy theory (simplicial model categories)

© 2026 Konrad Völkel

Theme by Anders Norén