User Marc Hoyois

5 votes

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What does an endomorphism in a triangulated category give rise to?

answered Nov 21, 2014 at 23:48

5 votes

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Van Kampen colimits

answered Jun 25, 2015 at 0:44

5 votes

Why does this setting imply that a category is Grothendieck?

answered Aug 17, 2015 at 14:33

5 votes

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descent implies hyperdescent

answered Mar 26, 2020 at 16:37

5 votes

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Proof without sieves: Equivalent grothendieck topologies have the same sheaves

answered Aug 12, 2022 at 8:15

5 votes

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Motivic cohomology with $\mathbb{Z}/2$ coefficients in positive characteristic

answered Jan 6, 2022 at 9:06

5 votes

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Finite étale covers of concentrated schemes and extension of base field

answered Mar 10, 2018 at 16:42

5 votes

A question about the vanishing of motivic cohomology in negative Tate twist

answered Sep 6, 2018 at 6:02

5 votes

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What is the Isomorphism subspace of the mapping space in an infinity category

answered Jul 24 at 16:52

4 votes

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Algebraic cobordism (of a point) outside the geometric diagonal

answered Mar 23, 2016 at 13:32

4 votes

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What is the connection between Lurie's definition of shape and Čech homotopy?

answered Mar 5, 2022 at 17:22

4 votes

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Generalizations of tangent $\infty$-topos

answered Feb 28, 2018 at 4:02

4 votes

localization and $E_{\infty}$-spaces

answered Jun 5, 2015 at 15:38

4 votes

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Exact sequences in homotopy categories

answered Feb 29, 2012 at 5:26

4 votes

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The Gysin long exact sequence for the complement of the zero section of a line bundle over a (possibly) singular base

answered Mar 6, 2012 at 4:08

3 votes

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higher Eilenberg-Moore-toposes of left exact derived comonads

answered May 15, 2015 at 14:25

3 votes

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Etale sheaves on algebraic spaces vs. Etale sheaves on affines

answered Apr 25, 2019 at 16:52

2 votes

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(Local) Homotopy dimension of $\infty$-topoi on paracompact spaces

answered May 22, 2021 at 5:15

2 votes

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Subcategory of coherent objects in an $\infty$-topos forming a local $\infty$-pretopos

answered Mar 21, 2022 at 9:48

2 votes

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If $J$-coverings can be glued $I$-locally is $J$-locality an $I$-local property? (Reducing descent problems to simpler ones)

answered Feb 18, 2017 at 20:39

2 votes

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Definition of Hurewicz map relating $SH(k)$ with $DM_\_^{eff}(k)$

answered Feb 6, 2013 at 16:35

1 vote

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Why are simple functions defined for positive coefficients (in measure theory)

answered Mar 16, 2012 at 0:44

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82 Answers

What does an endomorphism in a triangulated category give rise to?

Van Kampen colimits

Why does this setting imply that a category is Grothendieck?

descent implies hyperdescent

Proof without sieves: Equivalent grothendieck topologies have the same sheaves

Motivic cohomology with $\mathbb{Z}/2$ coefficients in positive characteristic

Finite étale covers of concentrated schemes and extension of base field

A question about the vanishing of motivic cohomology in negative Tate twist

What is the Isomorphism subspace of the mapping space in an infinity category

Algebraic cobordism (of a point) outside the geometric diagonal

What is the connection between Lurie's definition of shape and Čech homotopy?

Generalizations of tangent $\infty$-topos

localization and $E_{\infty}$-spaces

Exact sequences in homotopy categories

The Gysin long exact sequence for the complement of the zero section of a line bundle over a (possibly) singular base

higher Eilenberg-Moore-toposes of left exact derived comonads

Etale sheaves on algebraic spaces vs. Etale sheaves on affines

(Local) Homotopy dimension of $\infty$-topoi on paracompact spaces

Subcategory of coherent objects in an $\infty$-topos forming a local $\infty$-pretopos

If $J$-coverings can be glued $I$-locally is $J$-locality an $I$-local property? (Reducing descent problems to simpler ones)

Definition of Hurewicz map relating $SH(k)$ with $DM_\_^{eff}(k)$

Why are simple functions defined for positive coefficients (in measure theory)