User BBischof - Mathematics Stack Exchange

31 votes

1 answer

941 views

Is there an atlas of Algebraic Groups and corresponding Coordinate rings?

asked Jul 31, 2010 at 21:28

18 votes

1 answer

554 views

Stacks are just sheaves up to Isomorphism

asked Jul 25, 2010 at 2:14

18 votes

0 answers

685 views

An elegant description for graded-module morphisms with non-zero zero component

asked Jul 26, 2010 at 17:29

13 votes

2 answers

1k views

Integration by Parts implies U-substitution?

asked Oct 27, 2010 at 3:15

12 votes

1 answer

2k views

Classifying Quasi-coherent Sheaves on Projective Schemes

asked Jul 23, 2010 at 3:36

10 votes

2 answers

2k views

Are localized rings always flat as $R$-modules?

asked Sep 19, 2010 at 2:02

9 votes

1 answer

3k views

Why do we use the commutator bracket for Lie algebra's

asked Jul 22, 2010 at 0:44

7 votes

1 answer

544 views

Checking if Algebraic Groups are simply connected

asked Aug 13, 2010 at 5:55

5 votes

1 answer

185 views

How to compute the Gel'fand Models for a (quantum) Lie Algebra

asked Feb 25, 2011 at 3:20

5 votes

0 answers

127 views

All homogeneous rings of a projective variety

asked May 3, 2011 at 3:26

5 votes

1 answer

1k views

Lifting maps of quotient modules

asked May 17, 2011 at 4:21

5 votes

3 answers

1k views

What is the connection between Grothendieck's Differential Operators and Hochschild Cohomology

asked Jun 4, 2011 at 15:13

4 votes

1 answer

204 views

Quantum Jordan Algebras(Still wondering!)

asked Sep 26, 2010 at 4:49

3 votes

2 answers

193 views

What do functions on affine schemes preserve?

asked Mar 1, 2011 at 7:13

3 votes

1 answer

648 views

Is restriction of scalars a pullback?

asked Nov 13, 2010 at 22:22

2 votes

1 answer

137 views

The name for a subobject(subgroup) which is annihilated by action

asked Oct 8, 2010 at 20:59

2 votes

2 answers

2k views

A nice proof of the fact that the Quadratic Term of the Taylor polynomial is Curvature

asked Sep 16, 2010 at 2:28

2 votes

1 answer

73 views

The zero component of tensor products of graded mods

asked Aug 1, 2010 at 22:33

2 votes

2 answers

614 views

Direct sum of an algebra and its opposite

asked Jul 7, 2011 at 17:43

1 vote

1 answer

48 views

Getting unexpected minimal word representations for element from GAP

asked Aug 17, 2020 at 7:21

0 votes

2 answers

257 views

Reducing Relations to Commutator Relations

asked Sep 20, 2010 at 22:45

0 votes

1 answer

190 views

How to find a Zariski Cover of the Grassmannian

asked Dec 10, 2010 at 7:23

Stack Exchange Network

22 Questions

Is there an atlas of Algebraic Groups and corresponding Coordinate rings?

Stacks are just sheaves up to Isomorphism

An elegant description for graded-module morphisms with non-zero zero component

Integration by Parts implies U-substitution?

Classifying Quasi-coherent Sheaves on Projective Schemes

Are localized rings always flat as $R$-modules?

Why do we use the commutator bracket for Lie algebra's

Checking if Algebraic Groups are simply connected

How to compute the Gel'fand Models for a (quantum) Lie Algebra

All homogeneous rings of a projective variety

Lifting maps of quotient modules

What is the connection between Grothendieck's Differential Operators and Hochschild Cohomology

Quantum Jordan Algebras(Still wondering!)

What do functions on affine schemes preserve?

Is restriction of scalars a pullback?

The name for a subobject(subgroup) which is annihilated by action

A nice proof of the fact that the Quadratic Term of the Taylor polynomial is Curvature

The zero component of tensor products of graded mods

Direct sum of an algebra and its opposite

Getting unexpected minimal word representations for element from GAP

Reducing Relations to Commutator Relations

How to find a Zariski Cover of the Grassmannian