User Dick Palais

4 votes

Does a finite-dimensional Lie algebra always exponentiate into a universal covering group

answered Oct 10, 2010 at 4:11

4 votes

Lp space is always separable?

answered Sep 16, 2010 at 6:13

4 votes

Accepted

"Frobenius-finite" linear operators on a Hilbert Space

answered Sep 17, 2010 at 4:41

4 votes

Direct proof of irrationality?

answered Jul 15, 2010 at 16:31

4 votes

Compactness and Covering Spaces

answered Jul 16, 2010 at 4:59

4 votes

Converse of the Banach fixed point theorem

answered Feb 9, 2011 at 6:33

4 votes

Any good books on numerical methods for ordinary differential equations?

answered Nov 7, 2012 at 19:28

3 votes

What are the invariant Pseudo-differential operators on a Lie group?

answered Apr 19, 2013 at 22:47

3 votes

Applied linear algebra textbook?

answered Jan 2, 2011 at 3:56

3 votes

Softwares for drawing hyperbolic surfaces , closed, with boundaries or with punctures ?

answered May 11, 2012 at 12:48

3 votes

First known proof of $\sqrt 2$ is irrational with prime factorization?

answered Sep 14, 2012 at 23:50

3 votes

Accepted

nullity of the second fundamental group of a Lie group

answered Mar 17, 2011 at 1:23

2 votes

Smooth vector field along an immersion.

answered May 8, 2011 at 23:08

2 votes

History of the triangle inequality

answered Aug 9, 2011 at 7:57

2 votes

Analytical solutions of a differential equation (from Archimedes' Spiral)

answered Feb 5, 2011 at 18:49

2 votes

Accepted

HOW TO Generate Equation of a Curve Given (x,y) pairs - algorithm?

answered Feb 5, 2011 at 22:18

2 votes

Does a topological manifold have an exhaustion by compact submanifolds with boundary?

answered May 1, 2013 at 17:51

2 votes

Mathematics for ebook readers

answered Jun 9, 2013 at 21:10

2 votes

Recommended book for introduction to Chaotic dynamics? (application in probability distributions)

answered Sep 17, 2010 at 22:56

2 votes

Vector valued functions

answered Sep 15, 2010 at 21:43

2 votes

relation between inclusion and embedding

answered Oct 21, 2010 at 18:17

2 votes

Accepted

A simple ordinary differential equation

answered Nov 15, 2010 at 15:41

1 vote

Real Analysis /PDE

answered Nov 6, 2010 at 22:03

1 vote

Special Hamiltonian diffeomorphisms

answered Oct 5, 2010 at 2:30

1 vote

Analytic hypoellipticity of linear ordinary differential operators

answered Sep 24, 2010 at 0:26

1 vote

Measure theory treatment geared toward the Riesz representation theorem

answered Aug 24, 2012 at 19:05

1 vote

Groupoids vs Pseudogroups

answered Jun 16, 2011 at 18:07

0 votes

Irreducibility of determinant of symmetric matrix

answered Dec 25, 2010 at 18:20

0 votes

Proofs for doubly ruled surfaces

answered Oct 11, 2012 at 17:46

0 votes

Taking lecture notes in lectures

answered Aug 31, 2010 at 21:34

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121 Answers

Does a finite-dimensional Lie algebra always exponentiate into a universal covering group

Lp space is always separable?

"Frobenius-finite" linear operators on a Hilbert Space

Direct proof of irrationality?

Compactness and Covering Spaces

Converse of the Banach fixed point theorem

Any good books on numerical methods for ordinary differential equations?

What are the invariant Pseudo-differential operators on a Lie group?

Applied linear algebra textbook?

Softwares for drawing hyperbolic surfaces , closed, with boundaries or with punctures ?

First known proof of $\sqrt 2$ is irrational with prime factorization?

nullity of the second fundamental group of a Lie group

Smooth vector field along an immersion.

History of the triangle inequality

Analytical solutions of a differential equation (from Archimedes' Spiral)

HOW TO Generate Equation of a Curve Given (x,y) pairs - algorithm?

Does a topological manifold have an exhaustion by compact submanifolds with boundary?

Mathematics for ebook readers

Recommended book for introduction to Chaotic dynamics? (application in probability distributions)

Vector valued functions

relation between inclusion and embedding

A simple ordinary differential equation

Real Analysis /PDE

Special Hamiltonian diffeomorphisms

Analytic hypoellipticity of linear ordinary differential operators

Measure theory treatment geared toward the Riesz representation theorem

Groupoids vs Pseudogroups

Irreducibility of determinant of symmetric matrix

Proofs for doubly ruled surfaces

Taking lecture notes in lectures