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How to prove the determinant of a Hilbert-like matrix with parameter is non-zero

answered Apr 22, 2020 at 12:26

4 votes

Possible values of the determinant for matrices with elements $\{1, 0, -1\}$

answered Apr 18, 2022 at 12:39

3 votes

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Solvability of a system of polynomial equations

answered Apr 19, 2020 at 12:15

3 votes

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Interior point of a convex polytope

answered Apr 20, 2020 at 3:37

2 votes

What are the necessary conditions on $f$ if $f(x)=f(\sin(\pi x)+x)\iff x\in\Bbb{Z}$?

answered Apr 30, 2020 at 8:18

1 vote

Maximize $l_1$ norm with unitary matrix

answered May 1, 2020 at 5:16

1 vote

Find the maximum trigonometric polynomial coefficient $A_{k}$

answered Jan 27, 2021 at 5:02

1 vote

Maximizing a skew-symmetric 4D cross product

answered Apr 17, 2022 at 7:45

1 vote

Minimizing the largest eigenvalue of matrix product

answered Apr 17, 2022 at 14:39

1 vote

A quadratic program with non-negativity constraints

answered Apr 20, 2020 at 4:30

1 vote

Maximum of sum of exponential function

answered Apr 20, 2020 at 15:06

1 vote

maximization of a log norm function

answered Apr 21, 2020 at 2:54

1 vote

optimization to find the maximum of sum of sigmoids with some constraints

answered Apr 18, 2020 at 5:04

1 vote

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Solving a linear program, but over the unit sphere

answered Apr 18, 2020 at 11:17

1 vote

Rational combinatorial optimization problem

answered Apr 18, 2020 at 11:39

1 vote

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Log Fractional optimization problem

answered Apr 23, 2020 at 4:25

1 vote

Matrix whose entries are given by polynomial $A_{ij} = p(\lambda_i, \lambda_j)$; when is it positive semidefinite?

answered Apr 23, 2020 at 14:26

1 vote

One part of a bipartite graph has max degree 3. Partition the other part to 3 ~equal subsets s.t. just a fraction of first part see all 3 subsets

answered May 4, 2020 at 7:16

1 vote

Optimisation under constraint of Wasserstein distance

answered May 6, 2020 at 3:34

1 vote

Finding the nearest quadratic Bézier curve

answered May 8, 2020 at 3:33

1 vote

When is the log-permanent concave?

answered May 8, 2020 at 5:57

1 vote

Max-norm projection of a Hermitian matrix onto the set of positive semidefinite matrices

answered May 12, 2020 at 12:51

0 votes

Solution for $Xa + X^Tb = c$ where $X^TX = I$?

answered May 15, 2020 at 10:06

0 votes

Is this parametrized semidefinite program convex?

answered Aug 4, 2020 at 5:53

0 votes

real analytic function with given shape

answered Apr 25, 2020 at 7:56

0 votes

optimization problem, any solution?

answered Apr 23, 2020 at 4:52

0 votes

Solving diagonal simultaneous quadratic equations

answered Apr 18, 2020 at 16:14

0 votes

algorithm for convex $C^2$ interpolation

answered Apr 19, 2020 at 6:50

0 votes

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Compute the proximal of a mapping

answered May 3, 2020 at 7:24

0 votes

How to solve this system of Matrix equations? (Coupled riccati equations?)

answered Apr 19, 2022 at 4:06

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32 Answers

How to prove the determinant of a Hilbert-like matrix with parameter is non-zero

Possible values of the determinant for matrices with elements $\{1, 0, -1\}$

Solvability of a system of polynomial equations

Interior point of a convex polytope

What are the necessary conditions on $f$ if $f(x)=f(\sin(\pi x)+x)\iff x\in\Bbb{Z}$?

Maximize $l_1$ norm with unitary matrix

Find the maximum trigonometric polynomial coefficient $A_{k}$

Maximizing a skew-symmetric 4D cross product

Minimizing the largest eigenvalue of matrix product

A quadratic program with non-negativity constraints

Maximum of sum of exponential function

maximization of a log norm function

optimization to find the maximum of sum of sigmoids with some constraints

Solving a linear program, but over the unit sphere

Rational combinatorial optimization problem

Log Fractional optimization problem

Matrix whose entries are given by polynomial $A_{ij} = p(\lambda_i, \lambda_j)$; when is it positive semidefinite?

One part of a bipartite graph has max degree 3. Partition the other part to 3 ~equal subsets s.t. just a fraction of first part see all 3 subsets

Optimisation under constraint of Wasserstein distance

Finding the nearest quadratic Bézier curve

When is the log-permanent concave?

Max-norm projection of a Hermitian matrix onto the set of positive semidefinite matrices

Solution for $Xa + X^Tb = c$ where $X^TX = I$?

Is this parametrized semidefinite program convex?

real analytic function with given shape

optimization problem, any solution?

Solving diagonal simultaneous quadratic equations

algorithm for convex $C^2$ interpolation

Compute the proximal of a mapping

How to solve this system of Matrix equations? (Coupled riccati equations?)