List questions from convex-cone

Published on 30 Apr 2026 - 8:57

135

Views

Demostration involving second order (lorentz) cone and semi-definite matrix

Published on 25 Mar 2026 - 8:31

333

Views

Closed cone in the euclidean space $\mathbb{R}^n$

Published on 12 Apr 2026 - 9:22

80

Views

If $\epsilon \in (0,1]$ and $\tan^2\theta \leq \epsilon$, then what are the admissible values of $\theta$ in terms of $\epsilon$?

Published on 14 Apr 2026 - 11:47

548

Views

Proof that the image of a closed cone under a linear transformation is a closed cone

Published on 09 Apr 2026 - 18:55

455

Views

Determining if a Vector is a member of a Convex Hull

Published on 09 Apr 2026 - 10:06

925

Views

Volume of a frustum given the bottom radius and the top cone height.

Published on 15 Apr 2026 - 4:59

137

Views

Characterising the cone of elements whose inner product with $v \otimes v$ is non-negative

Published on 12 Apr 2026 - 8:59

773

Views

Closure of a cone

Published on 10 May 2026 - 15:55

312

Views

Are all pointed cones convex?

Published on 13 Apr 2026 - 15:50

731

Views

Find the dual cone $K^*_{m+}$ of $K_{m+} = \{ x \in \mathbb{R}^n \mid x_1 \ge x_2 \ge \dots \ge x_n \ge 0\}$

Published on 10 May 2026 - 15:56

318

Views

Verifying a production set is a convex cone

Published on 09 Apr 2026 - 4:59

380

Views

Example of Pointed Cone

Published on 30 Apr 2026 - 15:22

86

Views

extreme vector in the positive cone of $C*$-algebra

Published on 30 Mar 2026 - 8:07

467

Views

Proof dealing with the union of cones and the intersection of polar cones

Published on 18 Nov 2019 - 19:04

List Question

Measure of a cone

Demostration involving second order (lorentz) cone and semi-definite matrix

Closed cone in the euclidean space $\mathbb{R}^n$

If $\epsilon \in (0,1]$ and $\tan^2\theta \leq \epsilon$, then what are the admissible values of $\theta$ in terms of $\epsilon$?

Proof that the image of a closed cone under a linear transformation is a closed cone

Determining if a Vector is a member of a Convex Hull

Volume of a frustum given the bottom radius and the top cone height.

Characterising the cone of elements whose inner product with $v \otimes v$ is non-negative

Closure of a cone

Are all pointed cones convex?

Find the dual cone $K^*_{m+}$ of $K_{m+} = \{ x \in \mathbb{R}^n \mid x_1 \ge x_2 \ge \dots \ge x_n \ge 0\}$

Verifying a production set is a convex cone

Example of Pointed Cone

extreme vector in the positive cone of $C*$-algebra

Proof dealing with the union of cones and the intersection of polar cones

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