Daniel Barter's user avatar
Daniel Barter's user avatar
Daniel Barter's user avatar
Daniel Barter
  • Member for 14 years, 1 month
  • Last seen this week
45 votes

Nontrivial theorems with trivial proofs

12 votes

Tannakian Formalism for the Quaternions and Dihedral Group

10 votes

What are the most elegant proofs that you have learned from MO?

8 votes

A Learning Roadmap request: From high-school to mid-undergraduate studies

7 votes

Easy to state applications of dimension theory in algebraic geometry

7 votes
Accepted

What is the point of pointwise Kan extensions?

7 votes
Accepted

Fusion Rules for Quantum Groups

6 votes

Hessian as a tensor, multi-dimensional taylor series, and generalizations

6 votes
Accepted

Generalization of Drinfeld double to comodule algebras

5 votes

Representation theory and elementary particles

5 votes

Strategies for proving a category is Noetherian?

5 votes

Intuition behind basic facts about homogeneous ideals?

4 votes
Accepted

Symmetric invariants of a Schur Module

3 votes

Question about the spec and global section functors

3 votes

How should I be thinking about object classifiers / universal fibrations / universes?

2 votes

2TQFT and commutative Frobenius algebras

2 votes

Lingering foundational question about sheaves of abelian groups

2 votes

Distance metric on the unit sphere in R^3?

1 vote

Giving $\mathit{Top}(X,Y)$ an appropriate topology

1 vote

Breaking up the free Lie algebra into GL irreps

1 vote

In general, are 'Young symmetrisers' given by Littlewood-Richardson 'Orthogonal projection Operators'?

1 vote

When is the Thom class the Poincare dual of the zero section?

0 votes

Why can't there be a problem both in P and NPC

0 votes

What is the meaning of "algebraic construction", and how could this be used in algebraic geometry

0 votes

motivation for compactness