User agt

3 votes

Intertwiner in german?

answered Jul 18, 2012 at 14:06

11 votes

Accepted

Learning differential/Riemannian geometry for PDEs

answered Jul 15, 2012 at 22:11

6 votes

Accepted

interior product - proof of the basic fomula

answered Jul 15, 2012 at 21:17

2 votes

Question about proof that multiplication in Banach algebra is continuous

answered Jul 15, 2012 at 19:37

0 votes

Composition of continuous and closed operators is closed

answered Jul 15, 2012 at 9:53

2 votes

Accepted

Integrability of the Poisson kernel

answered Jul 15, 2012 at 6:17

3 votes

Accepted

$B(V,W)$ is complete if $W$ is

answered Jul 14, 2012 at 17:50

3 votes

Duals via a Bilinear map

answered Jul 12, 2012 at 19:42

9 votes

Geodesics that self-intersect at finitely many points

answered Jun 10, 2012 at 20:54

3 votes

Accepted

Common eigenvectors of two special commuting matrices

answered Jun 7, 2012 at 9:18

3 votes

Accepted

Does every ODE have a first integral?

answered Jun 2, 2012 at 17:40

9 votes

Accepted

Inner product on the tensor product of Hilbert spaces

answered Jun 2, 2012 at 9:16

1 vote

Accepted

First Integral of Motion for Upper Half Plane Metric

answered Jun 2, 2012 at 7:01

14 votes

Accepted

Inequalities in $l_p$ norm

answered Jun 1, 2012 at 10:11

1 vote

Simple question on standard deviation and mean.

answered Jun 1, 2012 at 8:09

26 votes

A Banach space is reflexive if and only if its dual is reflexive

answered Jun 1, 2012 at 6:40

1 vote

Accepted

Proving $A\in M_n(\mathbb{R})$ is orthogonal

answered May 31, 2012 at 8:18

15 votes

Accepted

Show that the eigenvalues of ad(A) (adjoint action) are $\{\lambda_i-\lambda_j\}$, if those of $A$ are $\{\lambda_i\}$

answered May 27, 2012 at 7:34

2 votes

Accepted

natural question of inequality

answered May 26, 2012 at 18:37

0 votes

combinatorics: number of options to set a (a,b) ordered pair under terms

answered May 26, 2012 at 13:33

1 vote

Accepted

Finding coefficients of a polynomial

answered May 26, 2012 at 12:59

1 vote

Accepted

How to draw a cone in Sage?

answered May 21, 2012 at 17:03

2 votes

Accepted

Wronskian determinant for $y_2(t)=\begin{pmatrix} e^t\\ e^t \end{pmatrix}$ and $y_1(t)=\begin{pmatrix} t^2\\ 2t \end{pmatrix}$.

answered May 20, 2012 at 20:31

0 votes

Accepted

Symplectic submanifolds and first integrals

answered May 3, 2012 at 20:37

2 votes

Showing a series is a solution to a differential equation

answered Apr 29, 2012 at 18:35

2 votes

Accepted

Is sampled absolutely integrable function absolutely summable?

answered Apr 28, 2012 at 7:03

1 vote

Accepted

Proving statement about sequences

answered Apr 27, 2012 at 18:27

9 votes

divergence of a vector field on a manifold

answered Apr 27, 2012 at 7:04

5 votes

Compactness of the set of all unitary matrices in $M_2(\mathbb{C})$

answered Apr 26, 2012 at 18:48

1 vote

Accepted

Understanding Arzelà–Ascoli theorem

answered Apr 26, 2012 at 15:31

Stack Exchange Network

101 Answers

Intertwiner in german?

Learning differential/Riemannian geometry for PDEs

interior product - proof of the basic fomula

Question about proof that multiplication in Banach algebra is continuous

Composition of continuous and closed operators is closed

Integrability of the Poisson kernel

$B(V,W)$ is complete if $W$ is

Duals via a Bilinear map

Geodesics that self-intersect at finitely many points

Common eigenvectors of two special commuting matrices

Does every ODE have a first integral?

Inner product on the tensor product of Hilbert spaces

First Integral of Motion for Upper Half Plane Metric

Inequalities in $l_p$ norm

Simple question on standard deviation and mean.

A Banach space is reflexive if and only if its dual is reflexive

Proving $A\in M_n(\mathbb{R})$ is orthogonal

Show that the eigenvalues of ad(A) (adjoint action) are $\{\lambda_i-\lambda_j\}$, if those of $A$ are $\{\lambda_i\}$

natural question of inequality

combinatorics: number of options to set a (a,b) ordered pair under terms

Finding coefficients of a polynomial

How to draw a cone in Sage?

Wronskian determinant for $y_2(t)=\begin{pmatrix} e^t\\ e^t \end{pmatrix}$ and $y_1(t)=\begin{pmatrix} t^2\\ 2t \end{pmatrix}$.

Symplectic submanifolds and first integrals

Showing a series is a solution to a differential equation

Is sampled absolutely integrable function absolutely summable?

Proving statement about sequences

divergence of a vector field on a manifold

Compactness of the set of all unitary matrices in $M_2(\mathbb{C})$

Understanding Arzelà–Ascoli theorem