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Marc Hoyois's user avatar
Marc Hoyois's user avatar
Marc Hoyois
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I'm a professor of mathematics at the University of Regensburg.

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40
Is the fundamental group functor a left-adjoint?
Oct 16, 2012
answer
29
Voevodsky's six functor formalism VS Lucas Mann's
Feb 13, 2023
answer
25
Why is the motivic category defined over the site of smooth schemes only?
Jan 4, 2018
answer
22
When is a topological space the homotopy colimit of an open covering?
Nov 23, 2014
answer
19
Which limits commute with filtered colimits in the category of sets?
Aug 22, 2013
answer
18
Category of motivic spectra
Oct 19, 2013
answer
18
Is the $\infty$-topos $Sh(X)$ hypercomplete whenever $X$ is a CW complex?
Aug 8, 2016
answer
16
Can we define homotopy groups using Tannakian categories
Mar 24, 2012
answer
16
Does the forgetful functor from presentable $\infty$-categories to $\infty$-categories preserve filtered colimits?
Jul 5, 2015
answer
16
$BG$ the stack, $BG$ the simplicial presheaf
Oct 18, 2018