Question

Is the Minkowski sum of two faces a face?

score 285 · Answer 1 · 2017-01-20 11:36:53

285

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Is the Minkowski sum of two faces a face?

Published on 20 Jan 2017 - 11:36

score 1.1k · Answer 2 · 2017-01-26 13:53:33

1.1k

Views

How to understand concave function definition?

Published on 26 Jan 2017 - 13:53

score 149 · Answer 3 · 2017-02-08 11:19:31

149

Views

Are closed ball convex in a translation surface?

Published on 08 Feb 2017 - 11:19

score 233 · Answer 4 · 2017-02-12 17:10:31

233

Views

How to detect on which side of hyper plane the point in $R^n$ is located?

Published on 12 Feb 2017 - 17:10

score 161 · Answer 5 · 2026-03-25 09:49:33

161

Views

Is there an example of a convex combination that is not conic?

Published on 25 Mar 2026 - 9:49

score 2.4k · Answer 6 · 2017-02-14 12:06:31

2.4k

Views

Show that a set is a polyhedron

Published on 14 Feb 2017 - 12:06

score 2.9k · Answer 7 · 2017-02-16 10:04:27

2.9k

Views

Find a point on the convex hull of a given set of points which is closest to a given point.

Published on 16 Feb 2017 - 10:04

score 980 · Answer 8 · 2017-02-17 04:04:26

980

Views

Why we need affine independent to ensure the unique representation of a vector from convex hull

Published on 17 Feb 2017 - 4:04

score 482 · Answer 9 · 2017-02-26 12:50:56

482

Views

The origin is not in the convex hull $\Rightarrow$ the set lies in a hemisphere?

Published on 26 Feb 2017 - 12:50

score 144 · Answer 10 · 2017-02-27 04:56:37

144

Views

Explain the theorem on convex set cuz I'm clueless.

Published on 27 Feb 2017 - 4:56

score 47 · Answer 11 · 2017-03-01 18:24:43

47

Views

Is there a formal terminology/definition for this type of continuity of a function?

Published on 01 Mar 2017 - 18:24

score 363 · Answer 12 · 2026-03-25 16:03:06

363

Views

The image of every strictly non-expanding map between spheres is contained in an open hemisphere?

Published on 25 Mar 2026 - 16:03

score 857 · Answer 13 · 2017-03-04 06:46:27

857

Views

Why $l_1$ norm is the convex hull of the intersection of $l_0$ norm and $l_\inf$ norm?

Published on 04 Mar 2017 - 6:46

score 138 · Answer 14 · 2026-03-25 19:11:41

138

Views

Inverse image (under convex-hull operator) of an open set of convex subsets is open?

Published on 25 Mar 2026 - 19:11

score 199 · Answer 15 · 2017-03-10 21:04:54

199

Views

Is convex-hull operation an open mapping?

Published on 10 Mar 2017 - 21:04

List Question

Is the Minkowski sum of two faces a face?

How to understand concave function definition?

Are closed ball convex in a translation surface?

How to detect on which side of hyper plane the point in $R^n$ is located?

Is there an example of a convex combination that is not conic?

Show that a set is a polyhedron

Find a point on the convex hull of a given set of points which is closest to a given point.

Why we need affine independent to ensure the unique representation of a vector from convex hull

The origin is not in the convex hull $\Rightarrow$ the set lies in a hemisphere?

Explain the theorem on convex set cuz I'm clueless.

Is there a formal terminology/definition for this type of continuity of a function?

The image of every strictly non-expanding map between spheres is contained in an open hemisphere?

Why $l_1$ norm is the convex hull of the intersection of $l_0$ norm and $l_\inf$ norm?

Inverse image (under convex-hull operator) of an open set of convex subsets is open?

Is convex-hull operation an open mapping?

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