User José Figueroa-O'Farrill

116 votes

How do I make the conceptual transition from multivariable calculus to differential forms?

answered Jan 3, 2010 at 14:26

77 votes

Accepted

What is an integrable system?

answered Nov 21, 2009 at 17:57

75 votes

Accepted

Should one use "above" and "below" in mathematical writing?

answered Aug 11, 2010 at 14:04

68 votes

Accepted

Fundamental Examples

answered Nov 11, 2009 at 8:25

64 votes

What is torsion in differential geometry intuitively?

answered Apr 6, 2010 at 13:42

53 votes

How to find ICM talks?

answered Apr 1, 2010 at 14:38

47 votes

Great mathematicians born 1850-1920 (ET Bell's book ≲ x ≲ Fields Medalists)

answered Dec 30, 2009 at 7:47

46 votes

Accepted

Intuitive explanation of Burnside's Lemma

answered Dec 21, 2010 at 6:21

44 votes

When and how is it appropriate for an undergraduate to email a professor out of the blue?

answered Aug 4, 2010 at 21:41

44 votes

Accepted

The finite subgroups of SU(n)

answered Mar 4, 2010 at 11:44

42 votes

Suggestions for good notation

answered Oct 20, 2010 at 20:48

38 votes

Examples of common false beliefs in mathematics

answered Jun 6, 2010 at 15:25

35 votes

Theorems with unexpected conclusions

answered Mar 14, 2010 at 2:10

35 votes

The 'real' use of Quantum Algebra, Non-commutative Geometry, Representation Theory, and Algebraic Geometry to Physics

answered Feb 8, 2010 at 23:51

35 votes

Fundamental Examples

answered Nov 11, 2009 at 8:29

32 votes

How to interpret the Sugawara construction from a physical or mathematical viewpoint?

answered Feb 25, 2010 at 15:37

31 votes

Accepted

How to see the Phase Space of a Physical System as the Cotangent Bundle

answered Feb 26, 2010 at 0:27

31 votes

Poincaré Conjecture and the Shape of the Universe

answered Dec 25, 2009 at 1:18

30 votes

Vector spaces without natural bases

answered Jul 18, 2010 at 20:45

29 votes

Most memorable titles

answered Oct 31, 2010 at 15:48

29 votes

When is Aut(G) abelian?

answered Dec 28, 2009 at 11:24

28 votes

Accepted

Determining a surface in $\mathbb{R}^3$ by its Gaussian curvature

answered Oct 2, 2011 at 1:20

27 votes

Accepted

The Jacobi Identity for the Poisson Bracket

answered Jun 16, 2010 at 20:07

26 votes

Occurrences of (co)homology in other disciplines and/or nature

answered Mar 30, 2011 at 20:57

26 votes

What are the uses of the homotopy groups of spheres?

answered Apr 28, 2010 at 16:05

25 votes

Specializing early

answered Feb 27, 2010 at 12:51

25 votes

What do heat kernels have to do with the Riemann-Roch theorem and the Gauss-Bonnet theorem?

answered Feb 9, 2010 at 0:48

25 votes

BRST cohomology

answered Oct 30, 2010 at 23:16

24 votes

Maurer-Cartan form

answered Aug 3, 2010 at 18:17

24 votes

Quantitatively speaking, which subject area in mathematics is currently the most research active?

answered Jan 5, 2010 at 15:14

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325 Answers

How do I make the conceptual transition from multivariable calculus to differential forms?

What is an integrable system?

Should one use "above" and "below" in mathematical writing?

Fundamental Examples

What is torsion in differential geometry intuitively?

How to find ICM talks?

Great mathematicians born 1850-1920 (ET Bell's book ≲ x ≲ Fields Medalists)

Intuitive explanation of Burnside's Lemma

When and how is it appropriate for an undergraduate to email a professor out of the blue?

The finite subgroups of SU(n)

Suggestions for good notation

Examples of common false beliefs in mathematics

Theorems with unexpected conclusions

The 'real' use of Quantum Algebra, Non-commutative Geometry, Representation Theory, and Algebraic Geometry to Physics

Fundamental Examples

How to interpret the Sugawara construction from a physical or mathematical viewpoint?

How to see the Phase Space of a Physical System as the Cotangent Bundle

Poincaré Conjecture and the Shape of the Universe

Vector spaces without natural bases

Most memorable titles

When is Aut(G) abelian?

Determining a surface in $\mathbb{R}^3$ by its Gaussian curvature

The Jacobi Identity for the Poisson Bracket

Occurrences of (co)homology in other disciplines and/or nature

What are the uses of the homotopy groups of spheres?

Specializing early

What do heat kernels have to do with the Riemann-Roch theorem and the Gauss-Bonnet theorem?

BRST cohomology

Maurer-Cartan form

Quantitatively speaking, which subject area in mathematics is currently the most research active?