Adam P. Goucher's user avatar
Adam P. Goucher's user avatar
Adam P. Goucher's user avatar
Adam P. Goucher
  • Member for 10 years, 6 months
  • Last seen this week
47 votes
Accepted

Can we find lattice polyhedra with faces of area 1,2,3,...?

44 votes
Accepted

What's the bijection between reals and infinite sequences of integers?

34 votes

Can one "hear" the shape of a polygon via external reflections?

33 votes

Does an existence of large cardinals have implications in number theory or combinatorics?

32 votes
Accepted

Can a fixed finite-length straightedge and finite-size compass still construct all constructible points in the plane?

30 votes

Is there any theory why (for Bitcoin) the discrete logarithm problem is so hard to solve?

26 votes

Puzzle on deleting k bits from binary vectors of length 3k

25 votes
Accepted

A conjecture in which both "if" and "only if" are near misses

23 votes
Accepted

A cubic and six conics problem

23 votes
Accepted

Presentation of the Monster Group

23 votes

What is the geometric shape of the Monster sporadic group?

23 votes
Accepted

Rational inscribed realization of the regular dodecahedron

20 votes

Euler's constant: irrationality and proof theory

19 votes
Accepted

Vietoris-Rips complex homology of a higher degree than the ambient dimension

17 votes

Structures that turn out to exhibit a symmetry even though their definition doesn't

16 votes

Extremely messy proofs

16 votes
Accepted

Is there a simple description of this group?

15 votes
Accepted

Find all integer solutions to $y^2=x^5+4.$ Is it true that the only solutions are $(x, y) = \{( 2,-6), ( 2,6),(0,2), (0,-2) \}.$

14 votes

What is an explicit bijection in combinatorics?

14 votes
Accepted

Which distributions can you sample if you can sample a Gaussian?

14 votes
Accepted

Is there a set of positive integers of density 1 which contains no infinite arithmetic progression?

13 votes
Accepted

Exponential towers of $i$'s

13 votes
Accepted

Are there irregular tilings by L-polyominoes?

13 votes
Accepted

Polymath-type projects for textbooks?

13 votes

Do mathematical objects disappear?

11 votes

Unexpected occurrences of the Sierpinski triangle

11 votes
Accepted

Expected number of lines meeting four given lines or "what is 1.72..."

11 votes

Strengthening the induction hypothesis

11 votes

What are examples of (collections of) papers which "close" a field?

10 votes

Decide if a matrix is transposable