User Zhen Lin

3 votes

Do simplicial objects in a Topos form a model category?

answered Dec 30, 2013 at 4:46

3 votes

Accepted

About reflective full subcategories and small-orthogonality classes

answered Mar 26, 2014 at 9:12

3 votes

Accepted

Is this square a push-out square?

answered May 3, 2013 at 10:17

3 votes

Definition of continuous functions in order theory

answered Oct 14, 2012 at 19:49

2 votes

Accepted

question of topos and site

answered Mar 28, 2013 at 7:26

2 votes

Accepted

Cocontinuous functor out of the terminal category

answered Jun 17, 2013 at 22:25

2 votes

Accepted

Cartesian products between cofibrant simplicial presheaves

answered Feb 20, 2015 at 14:09

2 votes

Accepted

Generators in the sense of Freyd and Kelly

answered Dec 29, 2013 at 14:23

2 votes

Left Bousfield localisation of trivial model structures

answered May 15, 2023 at 15:26

2 votes

Universally closed implies proper for locales

answered Sep 13 at 3:49

2 votes

Are the two definitions of fppf topology on the category of schemes the same?

answered Oct 23 at 12:46

2 votes

DK equivalences are Reedy equivalences for complete Segal spaces

answered Apr 24, 2023 at 8:28

2 votes

A confusion about covering flatness

answered Oct 16, 2015 at 8:27

2 votes

Does a topological hypercover always have free degeneracies?

answered Aug 4, 2015 at 16:57

2 votes

Accepted

Strict comma objects implies comma objects

answered Apr 23, 2015 at 11:06

1 vote

Objects whose representable presheaf is a fibration

answered Feb 4, 2022 at 12:53

1 vote

Assumptions on the category C for sheafification of C-valued presheaves

answered Jul 7, 2022 at 15:44

1 vote

Accepted

Pullback as a local property

answered Nov 10, 2013 at 22:58

1 vote

Accepted

Canonical colimit and cartesian product of simplicial sets

answered Mar 13, 2015 at 11:37

1 vote

Categories of spans from categories of fibrant objects

answered Sep 10, 2014 at 7:48

1 vote

Group cohomology without G-modules (a.k.a. what does this bar construction compute?)

answered Mar 6, 2014 at 10:51

1 vote

Accepted

Is there a name for this "weak compatibility" between Grothendieck (pre)topologies?

answered Sep 6, 2012 at 17:36

0 votes

Externalising monoids using the Yoneda-embedding and relation to Kleisli categories

answered Jul 30, 2012 at 16:37

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143 Answers

Do simplicial objects in a Topos form a model category?

About reflective full subcategories and small-orthogonality classes

Is this square a push-out square?

Definition of continuous functions in order theory

question of topos and site

Cocontinuous functor out of the terminal category

Cartesian products between cofibrant simplicial presheaves

Generators in the sense of Freyd and Kelly

Left Bousfield localisation of trivial model structures

Universally closed implies proper for locales

Are the two definitions of fppf topology on the category of schemes the same?

DK equivalences are Reedy equivalences for complete Segal spaces

A confusion about covering flatness

Does a topological hypercover always have free degeneracies?

Strict comma objects implies comma objects

Objects whose representable presheaf is a fibration

Assumptions on the category C for sheafification of C-valued presheaves

Pullback as a local property

Canonical colimit and cartesian product of simplicial sets

Categories of spans from categories of fibrant objects

Group cohomology without G-modules (a.k.a. what does this bar construction compute?)

Is there a name for this "weak compatibility" between Grothendieck (pre)topologies?

Externalising monoids using the Yoneda-embedding and relation to Kleisli categories