Yoav Kallus's user avatar
Yoav Kallus's user avatar
Yoav Kallus's user avatar
Yoav Kallus
  • Member for 12 years, 2 months
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47 votes
Accepted

"The Two Sheriffs" puzzle

41 votes

What recent discoveries have amateur mathematicians made?

33 votes
Accepted

Bodies of constant width?

26 votes

Covering a Cube with a Square

24 votes

What are some mathematical sculptures?

18 votes
Accepted

Closest 3D rotation matrix in the Frobenius norm sense

16 votes

Examples of conjectures that were widely believed to be true but later proved false

16 votes
Accepted

(A question about)${}^3$ 3-dimensional convex bodies

16 votes

Two (probably) equal real numbers which are not proved to be equal?

14 votes

Open problems in mathematical physics

14 votes

Distributing points evenly on a sphere

13 votes
Accepted

General Isoperimetric Inequality via Representation Theory of SO(n)

13 votes

Nontrivially fillable gaps in published proofs of major theorems

12 votes

Important open problems that have already been reduced to a finite but infeasible amount of computation

11 votes

A convex curve inside the unit circle

11 votes

The smallest disk containing all sides of an $n$-gon

11 votes
Accepted

Are the primary parallelotopes classified? (equivalently, Voronoi cells of lattices)

11 votes
Accepted

2-layer tilings with a center-of-gravity constraint

10 votes
Accepted

Tangled Knot Function

10 votes

A function that is defined everywhere but has unknown values

10 votes

Undecidable infinite analogs of NP-complete problems?

9 votes

Undecidable puzzles

7 votes
Accepted

metric condition forcing convex position

7 votes

There are at most four mutually visible lattice points—?

7 votes

How many unit cylinders can touch a unit ball?

6 votes

Special rational numbers that appear as answers to natural questions

6 votes
Accepted

Can samples be compressed?

6 votes
Accepted

Package for the Closest Vector Problem (CVP)?

6 votes
Accepted

On packing axisymmetric bodies in 3D

6 votes

Nearest symmetric matrix, of a given spectrum, to a given diagonal matrix