User Liviu Nicolaescu - MathOverflow

72 votes

Does Physics need non-analytic smooth functions?

answered Nov 26, 2012 at 20:35

62 votes

What are some very important papers published in non-top journals?

answered Nov 6, 2015 at 18:02

53 votes

Accepted

Can one recover the smooth Gauss Bonnet theorem from the combinatorial Gauss Bonnet theorem as an appropriate limit?

answered Jan 3, 2013 at 16:59

39 votes

Examples of great mathematical writing

answered Apr 24, 2012 at 10:30

36 votes

Modern Mathematical Achievements Accessible to Undergraduates

answered May 5, 2013 at 20:14

34 votes

Should one attack hard problems?

answered Feb 27, 2013 at 10:52

29 votes

Accepted

How many polynomial Morse functions on the sphere?

answered Mar 30, 2013 at 12:04

28 votes

What are some examples of ingenious, unexpected constructions?

answered Mar 11, 2012 at 17:10

27 votes

Why are there so many smooth functions?

answered Jan 4, 2012 at 16:58

26 votes

Why do I need densities in order to integrate on a non-orientable manifold?

answered Mar 7, 2012 at 14:19

24 votes

Accepted

How are infinite-dimensional manifolds most commonly treated?

answered Feb 9, 2013 at 15:10

23 votes

Accepted

Weitzenböck Identities

answered Sep 14, 2012 at 15:07

23 votes

Accepted

Example of wall-crossing formulae?

answered Mar 2, 2013 at 12:55

23 votes

What are some deep theorems, and why are they considered deep?

answered Aug 16, 2013 at 19:49

22 votes

Writing papers in pre-LaTeX era?

answered Jul 13, 2012 at 7:46

21 votes

Physicist's request for intuition on covariant derivatives and Lie derivatives

answered Jan 3, 2012 at 18:33

21 votes

Relative De Rham cohomologies

answered Oct 21, 2015 at 12:38

20 votes

Accepted

Is there an extrinsic-geometric viewpoint for connections?

answered Dec 24, 2015 at 21:46

20 votes

Accepted

Why are lacunary series so badly behaved?

answered Mar 5, 2012 at 13:36

19 votes

How to understand Chern-Simons action

answered Apr 19, 2013 at 12:20

19 votes

Accepted

How to define the square root of $1-\Delta $?

answered Apr 15, 2014 at 12:40

18 votes

Power series with funny behavior at the boundary

answered Oct 3, 2014 at 12:44

18 votes

What are the "correct" conventions for defining Clifford algebras?

answered Oct 29, 2014 at 13:07

18 votes

Accepted

Derivative of eigenvectors of a matrix with respect to its components

answered Jan 27, 2016 at 23:12

18 votes

Accepted

Integration on the space of symmetric matrices

answered Apr 26, 2012 at 13:34

17 votes

Accepted

Fourier transform

answered Apr 3, 2012 at 13:46

17 votes

Accepted

Finite dimensional "Mountain Pass Lemma"

answered Aug 30, 2012 at 16:02

17 votes

Accepted

Boundedness of the derivative of the trace of an H^1 function

answered Jan 8, 2013 at 14:13

17 votes

Accepted

What is the expected value of an N-dim vector of uniform randoms that sum to 1 which have been sorted into descending order?

answered May 11, 2016 at 2:13

17 votes

Accepted

Inverse problem of Chern Classes

answered May 4, 2015 at 16:40

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543 Answers

Does Physics need non-analytic smooth functions?

What are some very important papers published in non-top journals?

Can one recover the smooth Gauss Bonnet theorem from the combinatorial Gauss Bonnet theorem as an appropriate limit?

Examples of great mathematical writing

Modern Mathematical Achievements Accessible to Undergraduates

Should one attack hard problems?

How many polynomial Morse functions on the sphere?

What are some examples of ingenious, unexpected constructions?

Why are there so many smooth functions?

Why do I need densities in order to integrate on a non-orientable manifold?

How are infinite-dimensional manifolds most commonly treated?

Weitzenböck Identities

Example of wall-crossing formulae?

What are some deep theorems, and why are they considered deep?

Writing papers in pre-LaTeX era?

Physicist's request for intuition on covariant derivatives and Lie derivatives

Relative De Rham cohomologies

Is there an extrinsic-geometric viewpoint for connections?

Why are lacunary series so badly behaved?

How to understand Chern-Simons action

How to define the square root of $1-\Delta $?

Power series with funny behavior at the boundary

What are the "correct" conventions for defining Clifford algebras?

Derivative of eigenvectors of a matrix with respect to its components

Integration on the space of symmetric matrices

Fourier transform

Finite dimensional "Mountain Pass Lemma"

Boundedness of the derivative of the trace of an H^1 function

What is the expected value of an N-dim vector of uniform randoms that sum to 1 which have been sorted into descending order?

Inverse problem of Chern Classes