John Wiltshire-Gordon's user avatar
John Wiltshire-Gordon's user avatar
John Wiltshire-Gordon's user avatar
John Wiltshire-Gordon
  • Member for 13 years, 6 months
  • Last seen this week
56 votes

Why is the fundamental group of a compact Riemann surface not free ?

50 votes

Why we need to study representations of matrix groups?

28 votes

Examples of theorems with proofs that have dramatically improved over time

20 votes
Accepted

Generating All Permutations Without Repetition Using Two Generators

19 votes

Are all vector-space valued functors on sets free?

16 votes
Accepted

Computer package for representation theory of the symmetric group

13 votes

How should I think about the module of coinvariants of a $G$-module?

10 votes
Accepted

Are all representations of $G\times H$ induced from representations of $G$ and $H$?

10 votes
Accepted

Software package to manipulate representations

9 votes
Accepted

Strategies for proving a category is Noetherian?

8 votes

Permutations with restriction

8 votes

Examples of five-adjoint systems

7 votes

Non-degenerate multilinear forms

7 votes
Accepted

Possible subsets of reals that equal the set of continuity of a function

7 votes
Accepted

Exterior powers of the standard representation

7 votes

Non embedding of $Y\times Y$ into $\mathbb{R}^3$

7 votes
Accepted

Decomposing representations of finite groups of Lie type via computer

6 votes

Irreducible Degrees and the Order of a Finite Group

6 votes

(Efficient) computation of symmetric powers of square matrices

6 votes

Explicit element in free group which is killed by every solvable quotient

5 votes
Accepted

$K_0$ group of graph underlying an approximately finite (AF) C* algebra

4 votes

2D problems which are easier to solve in 3D

4 votes

How does one compute the space of algebraic global differential forms $\Omega^i(X)$ on an affine complex scheme $X$?

4 votes

Is the configuration space of ordered triples of distinct points in the four-edge banana graph homotopy equivalent to a surface of genus 13?

4 votes

Interactions (functors) between equivariant sheaves for different groups?

4 votes
Accepted

Computing the sum over paths through a matrix satisfying constraints

3 votes
Accepted

G=(16, 13) notation

3 votes

Calculate the group cohomology classes $H^d[U(1)\rtimes Z_2, Z]$ and $H^d[U(1)\rtimes Z_2, Z_T]$

3 votes

Generalization of the polarisation formula for symmetric bilinear forms to symmetric multilinear forms

3 votes

Decomposition of tensors into symmetry classes according to Schur functors