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Fred Rohrer

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Name Fred Rohrer
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Location Sargans, Switzerland
Age 35
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Questions
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injectivity of torsion submodules of injectives

dec 23 11 at 8:57 Fred Rohrer 1,571●6●11

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Linear algebra over principal rings

oct 29 at 14:36 labirintas 161●3

 
5
votes
2
answers
228
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Dimension of polynomial algebras

dec 5 at 8:28 François Brunault 7,634●1●14●37

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4
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answer
342
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Rings with finitely generated nilradical

jul 15 11 at 8:18 Georges Elencwajg 24.6k●66●132

 
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votes
1
answer
212
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Universal catenarity and Laurent algebras

apr 27 11 at 9:47 Laurent Moret-Bailly 7,356●19●29

 
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answer
269
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Injective modules and torsion functors

dec 23 11 at 8:58 Fred Rohrer 1,571●6●11

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On the definition of delta-functors

jan 26 at 7:43 Fred Rohrer 1,571●6●11

 
1
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173
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Finiteness conditions and Veronese subrings

apr 3 12 at 14:05 felix 435●3●7

 

29

Answers
votes newest views recent
17
Blackbox Theorems
11
What is the dimension of the product ring $\prod \mathbb Z/2^n\mathbb Z$ ?
9
Is the empty graph a tree?
8
On some finiteness properties for schemes
6
union of infinitely many prime ideals
6
Does every regular Noetherian domain have finite Krull dimension?
6
Why did Bourbaki ignore the theory of categories?
5
Examples of polynomial rings $A[x]$ with relatively large Krull dimension
5
What’s the notation for a function restricted to a subset of the codomain?
5
Projective dimension of zero module
4
Question on localization technique
4
Direct product of rings
4
What kind of subset is Spec(R_P) in Spec(R)?
3
Question on local cohomology
3
Laurent Polynomials
3
Finitely generated resolutions
3
Why should morphisms between two graded vector spaces preserve grading?
2
Length of a resolution
2
injectivity of torsion submodules of injectives
2
How to cite math journals?
2
Injective modules and torsion functors
2
Are grothendieck universes enough for the foundations of category theory?
2
How to call covers not covering anything else?
1
Surjectivity of the natural map of injective module to its localization
1
Subgroup of lattice-ordered group
1
Lattice of Prime ideals
1
Using Function Terminology for Functors?
0
“Axiom of global choice”
0
A construction of tensor product (Coutinho’s book: D-module)

 

37

Votes
37

 

29

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