User Robin Chapman

3 votes

Expressing power sum symmetric polynomials in terms of lower degree power sums

answered Aug 26, 2010 at 16:41

3 votes

Binary matrices with constant row and column sums

answered Aug 25, 2010 at 9:48

3 votes

Accepted

Diagonalization of quadratic forms over euclidean rings

answered Aug 20, 2010 at 18:29

3 votes

Coprimality and squarefree numbers

answered Aug 9, 2010 at 6:17

3 votes

Products of linear forms in 3 variables

answered Aug 31, 2010 at 16:16

3 votes

Accepted

Elementary proof of bounds on discrete derivative applied to $(1+n)^s$

answered Sep 12, 2010 at 17:33

2 votes

Intuition on finite homotopy groups

answered Sep 9, 2010 at 20:23

2 votes

Accepted

maximal number of mutually orthogonal vectors

answered Sep 10, 2010 at 13:46

2 votes

Accepted

Natural number properties as uninterpreted functions in first order logic

answered Aug 12, 2010 at 20:48

2 votes

Pair of curves joining opposite corners of a square must intersect---proof?

answered Aug 13, 2010 at 18:12

2 votes

Generators of the Principal Unit Group in Local Fields of Characteristic 0

answered Aug 24, 2010 at 18:20

2 votes

product of two riemann integrable is riemann integrable

answered Sep 29, 2010 at 7:46

2 votes

Rank of a free module without the axiom of choice

answered Dec 9, 2010 at 17:47

2 votes

Homomorphism of Legendre curve

answered Apr 11, 2010 at 8:14

2 votes

Smooth dependence of ODEs on initial conditions

answered Mar 22, 2010 at 7:04

2 votes

The meaning of an intertwiner?

answered May 16, 2010 at 11:47

2 votes

Is the area of a polygonal linkage maximized by having all vertices on a circle?

answered Apr 27, 2010 at 21:06

2 votes

Is there a purely algebraic criterion which characterizes the real algebraic numbers?

answered May 24, 2010 at 8:39

2 votes

How to understand the concept of compact space

answered May 26, 2010 at 9:06

2 votes

A binomial sum expression

answered May 23, 2010 at 9:37

2 votes

Dimension of central simple algebra over a global field "built using class field theory".

answered Jun 15, 2010 at 15:40

2 votes

Deeper meanings of barycentric subdivision

answered Jul 18, 2010 at 7:56

2 votes

Accepted

Image of a fixed element under a random endomorphism in an Abelian group

answered Jul 3, 2010 at 7:02

2 votes

profinite spaces coming from profinite groups

answered Jun 30, 2010 at 17:45

1 vote

Accepted

Name for a module with only one associated prime

answered Jul 12, 2010 at 17:46

1 vote

Accepted

Operation of GL_n(Z/bZ)

answered Apr 25, 2010 at 10:26

1 vote

Can all induced maps be described categorically.?. (or at least as generally as possible)

answered May 18, 2010 at 6:36

1 vote

Fundamental group of the line with the double origin.

answered May 21, 2010 at 12:35

1 vote

Accepted

Is there any direct approach to generate discrete 2 partitions of a set of having 2^n elements for a given n ?

answered May 15, 2010 at 18:28

1 vote

Accepted

Calculating norms over a finite field (orthogonal groups).

answered May 7, 2010 at 16:42

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221 Answers

Expressing power sum symmetric polynomials in terms of lower degree power sums

Binary matrices with constant row and column sums

Diagonalization of quadratic forms over euclidean rings

Coprimality and squarefree numbers

Products of linear forms in 3 variables

Elementary proof of bounds on discrete derivative applied to $(1+n)^s$

Intuition on finite homotopy groups

maximal number of mutually orthogonal vectors

Natural number properties as uninterpreted functions in first order logic

Pair of curves joining opposite corners of a square must intersect---proof?

Generators of the Principal Unit Group in Local Fields of Characteristic 0

product of two riemann integrable is riemann integrable

Rank of a free module without the axiom of choice

Homomorphism of Legendre curve

Smooth dependence of ODEs on initial conditions

The meaning of an intertwiner?

Is the area of a polygonal linkage maximized by having all vertices on a circle?

Is there a purely algebraic criterion which characterizes the real algebraic numbers?

How to understand the concept of compact space

A binomial sum expression

Dimension of central simple algebra over a global field "built using class field theory".

Deeper meanings of barycentric subdivision

Image of a fixed element under a random endomorphism in an Abelian group

profinite spaces coming from profinite groups

Name for a module with only one associated prime

Operation of GL_n(Z/bZ)

Can all induced maps be described categorically.?. (or at least as generally as possible)

Fundamental group of the line with the double origin.

Is there any direct approach to generate discrete 2 partitions of a set of having 2^n elements for a given n ?

Calculating norms over a finite field (orthogonal groups).