List questions from convex-cone

Published on 22 Aug 2021 - 8:45

20

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Example of the equivalence of two desrciption of polyhedra

Published on 25 Aug 2021 - 8:36

133

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Locally polyhedral and locally finitely generated cones

Published on 16 Sep 2021 - 9:35

131

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SemiDefinite representable set that is not Conic Quadratic representable.

Published on 26 Sep 2021 - 21:12

265

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Tangent cone: don't understand

Published on 03 Oct 2021 - 2:19

79

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Open cones in $\mathbb{R}^n$

Published on 21 Oct 2021 - 7:24

92

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Correctness of QCQP formulation of an SDP problem

Published on 08 Nov 2021 - 8:52

416

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Cone in spherical coordinates after rotation

Published on 26 Nov 2021 - 12:03

105

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Minimal spanning set ("conical basis") for 2x2 Hermitian PSD (positive semi-definite) cone?

Published on 28 Nov 2021 - 1:25

19

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Is the convex cone of sums of self tensor products of vectors in a given vector space full-dimensional in the space of symmetric matrices?

Published on 24 Mar 2026 - 7:15

72

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A matrix $A$ is $K$-irreducible if and only if no eigenvector lies on $\partial K$.

Published on 25 Mar 2026 - 11:02

324

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Pappus centroid theorem and Hypercones.

Published on 24 Feb 2026 - 5:30

295

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Is half-space a convex cone?

Published on 24 Jan 2022 - 13:35

95

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Prove that the angle between an outer support vector and a unit vector of a cone is minimized on its extreme ray

Published on 05 Feb 2022 - 9:59

173

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What are the extreme rays of this cone?

Published on 15 Feb 2022 - 14:02

List Question

Hyperbolic Coxeter groups, Humphreys' book

Example of the equivalence of two desrciption of polyhedra

Locally polyhedral and locally finitely generated cones

SemiDefinite representable set that is not Conic Quadratic representable.

Tangent cone: don't understand

Open cones in $\mathbb{R}^n$

Correctness of QCQP formulation of an SDP problem

Cone in spherical coordinates after rotation

Minimal spanning set ("conical basis") for 2x2 Hermitian PSD (positive semi-definite) cone?

Is the convex cone of sums of self tensor products of vectors in a given vector space full-dimensional in the space of symmetric matrices?

A matrix $A$ is $K$-irreducible if and only if no eigenvector lies on $\partial K$.

Pappus centroid theorem and Hypercones.

Is half-space a convex cone?

Prove that the angle between an outer support vector and a unit vector of a cone is minimized on its extreme ray

What are the extreme rays of this cone?

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