User Adam

15 votes

1 answer

8k views

Condition for continuity of bilinear form

asked May 25, 2014 at 16:18

12 votes

2 answers

726 views

How did Ulam and Neumann find this solution?

asked Aug 30, 2014 at 9:05

11 votes

3 answers

9k views

How to find closest positive definite matrix of non-symmetric matrix?

asked Jan 23, 2014 at 14:44

10 votes

1 answer

2k views

Is it a paradox if I prove something as unprovable?

asked May 10, 2018 at 19:12

9 votes

1 answer

2k views

How is this fractal produced?

asked Mar 22, 2016 at 14:52

7 votes

1 answer

2k views

What is an integral of operators?

asked Jun 23, 2015 at 12:54

6 votes

1 answer

91 views

Convergence property of positive operator on $L^\infty$

asked Oct 3, 2015 at 10:11

5 votes

2 answers

1k views

Open set of Polish space is again a Polish space?

asked Nov 15, 2014 at 10:23

5 votes

1 answer

3k views

Behavior of solutions to the heat equation at infinity

asked May 21, 2014 at 7:36

4 votes

2 answers

89 views

Can I always extend a selfadjoint Operator in $L^2$?

asked Jun 19, 2013 at 18:45

4 votes

1 answer

219 views

Why is there no collection about all mathematical theorems and open questions?

asked Sep 3, 2014 at 12:30

4 votes

1 answer

2k views

Solving a linear equation for a symmetric,positive matrix

asked Aug 22, 2014 at 15:12

4 votes

2 answers

179 views

How to find a function that is given by an equation

asked Aug 24, 2014 at 13:57

4 votes

4 answers

4k views

Area of octagon constructed in a square

asked Oct 17, 2014 at 15:31

4 votes

0 answers

782 views

How to find accuracy of Matlab's quadprog solver?

asked Nov 5, 2014 at 16:03

4 votes

2 answers

262 views

Reversible Ito Diffusions

asked May 30, 2015 at 18:36

4 votes

2 answers

165 views

$f(x) = e^{3x}\ln x$ has two local extrema

asked Feb 20, 2017 at 23:55

4 votes

2 answers

1k views

Filtration of Markov Chains in general state space

asked Jun 2, 2015 at 8:14

3 votes

0 answers

63 views

How to compute Generalized Group Inverse?

asked Aug 18, 2015 at 9:26

3 votes

1 answer

193 views

Markov processes and $C_0$-semigroups

asked Jun 27, 2015 at 9:10

3 votes

1 answer

384 views

Projection-valued measure property

asked Mar 19, 2015 at 11:45

3 votes

1 answer

121 views

Is the x-ray girl lying?

asked Oct 1, 2014 at 11:44

3 votes

3 answers

807 views

Adjoint operator of $L^\infty$

asked Feb 4, 2015 at 22:08

3 votes

1 answer

71 views

How do distribute exams within three weeks?

asked Feb 6, 2015 at 12:01

3 votes

0 answers

862 views

Why is this bilinear form elliptic on $H^1_0$?

asked Jun 18, 2014 at 13:13

2 votes

2 answers

130 views

Strange proposition in probability book for conditional probability

asked Jul 25, 2014 at 21:01

2 votes

2 answers

602 views

Proof of Gersgorin Discs Theorem

asked Aug 12, 2014 at 14:10

2 votes

1 answer

411 views

Existence criterion for solution in quadratic programming

asked Aug 31, 2014 at 13:06

2 votes

1 answer

43 views

Spectrum of product from two selfadjoint matricies

asked Jan 23, 2014 at 13:21

2 votes

1 answer

1k views

Condition number of the product of two s.p.d. matrices

asked Jan 25, 2014 at 22:46

Stack Exchange Network

98 Questions

Condition for continuity of bilinear form

How did Ulam and Neumann find this solution?

How to find closest positive definite matrix of non-symmetric matrix?

Is it a paradox if I prove something as unprovable?

How is this fractal produced?

What is an integral of operators?

Convergence property of positive operator on $L^\infty$

Open set of Polish space is again a Polish space?

Behavior of solutions to the heat equation at infinity

Can I always extend a selfadjoint Operator in $L^2$?

Why is there no collection about all mathematical theorems and open questions?

Solving a linear equation for a symmetric,positive matrix

How to find a function that is given by an equation

Area of octagon constructed in a square

How to find accuracy of Matlab's quadprog solver?

Reversible Ito Diffusions

$f(x) = e^{3x}\ln x$ has two local extrema

Filtration of Markov Chains in general state space

How to compute Generalized Group Inverse?

Markov processes and $C_0$-semigroups

Projection-valued measure property

Is the x-ray girl lying?

Adjoint operator of $L^\infty$

How do distribute exams within three weeks?

Why is this bilinear form elliptic on $H^1_0$?

Strange proposition in probability book for conditional probability

Proof of Gersgorin Discs Theorem

Existence criterion for solution in quadratic programming

Spectrum of product from two selfadjoint matricies

Condition number of the product of two s.p.d. matrices