List questions from combinatorial-geometry

Published on 20 Aug 2012 - 4:26

114

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Brouwer’s fixed point theorem ⇒ Sperner’s lemma

Published on 28 Mar 2026 - 7:57

2.6k

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How many shapes can one make with $n$ square shaped blocks?

Published on 10 Sep 2012 - 17:03

527

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5 moving points in plane, one goes to infinity

Published on 11 Sep 2012 - 18:02

2k

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Combinatorially equivalent polyhedra?

Published on 19 Sep 2012 - 10:10

133

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primality on tiles?

Published on 28 Mar 2026 - 7:25

924

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Counting multidimensional structures (Chomp game states)

Published on 28 Sep 2012 - 5:49

241

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Permutating dance partners with least distance moved

Published on 03 Oct 2012 - 23:36

263

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Six points connected in pairs by coloured lines

Published on 30 Oct 2012 - 11:34

302

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A question related to Helly's Theorem on convex sets

Published on 03 Nov 2012 - 14:19

339

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Is there a non-constant function $f:\mathbb{R}^2 \to \mathbb{Z}/2\mathbb{Z}$ that sums to 0 on corners of squares?

Published on 08 Nov 2012 - 7:42

197

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Does this hold?

Published on 10 Nov 2012 - 22:36

135

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Prove that the circles has at least a common point of intersection

Published on 12 Nov 2012 - 15:25

203

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Are there five complex numbers satisfying the following equalities?

Published on 13 Nov 2012 - 9:14

524

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Olympiad : The maximum number of pairs whose distance is $1$ when any pairwise distance is at least $1$

Published on 28 Mar 2026 - 15:36

List Question

can we represent the venn diagram on 4 sets $(A,B,C,D)$ with circular patterns.

Brouwer’s fixed point theorem ⇒ Sperner’s lemma

How many shapes can one make with $n$ square shaped blocks?

5 moving points in plane, one goes to infinity

Combinatorially equivalent polyhedra?

primality on tiles?

Counting multidimensional structures (Chomp game states)

Permutating dance partners with least distance moved

Six points connected in pairs by coloured lines

A question related to Helly's Theorem on convex sets

Is there a non-constant function $f:\mathbb{R}^2 \to \mathbb{Z}/2\mathbb{Z}$ that sums to 0 on corners of squares?

Does this hold?

Prove that the circles has at least a common point of intersection

Are there five complex numbers satisfying the following equalities?

Olympiad : The maximum number of pairs whose distance is $1$ when any pairwise distance is at least $1$

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