Zhen Lin

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Name Zhen Lin
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Questions
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4
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1
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176
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Non-definable elements vs indiscernible elements

dec 3 at 2:01 Joel David Hamkins 74.9k●7●187●343

 
2
votes
1
answer
312
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Indeterminates and forgetful functors

dec 26 10 at 13:01 Todd Trimble 22.3k●1●62●96

 
0
votes
0
answers
375
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When is a meromorphic function locally injective? [closed]

dec 17 10 at 7:13 Zhen Lin 1,825●1●5●11

2
-1
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3
answers
870
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Formalising the principle of general covariance in differential geometry

dec 30 10 at 20:06 Deane Yang 12.6k●1●33●80

 

27

Answers
votes newest views recent
15
Category and the axiom of choice
13
Are there non-categorical notions in topos theory?
10
$\infty$-ary tensor product on a category
7
Provable(P) ⇒ provable(provable(P))?
7
Does this kind of endofunctor ever have an initial algebra?
7
On the large cardinals foundations of categories
6
Why does tensor product in Ab(V) require colimits in V?
6
“Wrong” strictification of symmetric monoidal categories
6
Categories of logical formulae
6
Grothendieck Topologies versus Pretopologies
5
Principal curvatures and curvature directions
5
Characterizing a zero object by its endomorphisms
5
When does the direct image functor nicely push past the power/exists functor?
4
Set-Theoretic Issues/Categories
4
Free Objects in Functor Categories
4
Small model categories?
3
On the difference between a projective chain complex and a level-wise projective chain complex
3
abelian group objects category
3
Proofs that require fundamentally new ways of thinking
3
Is this square a push-out square?
2
question of topos and site
2
Intuitive explanation of Burnside’s Lemma
2
About logical axioms of propositional logic.
1
Suggestions for good notation
1
Is there a name for this “weak compatibility” between Grothendieck (pre)topologies?
1
Definition of continuous functions in order theory
0
Externalising monoids using the Yoneda-embedding and relation to Kleisli categories

 

1566

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3

 

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