LeechLattice's user avatar
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LeechLattice
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76 votes

Theorems that are essentially impossible to guess by empirical observation

30 votes

Which high-degree derivatives play an essential role?

29 votes

A curious process with positive integers

25 votes
Accepted

Fraction of $S_n$ reachable by using every transposition once as $n\to\infty$?

20 votes
Accepted

(Barely) linearly independent vectors over $\mathbb{Z}/2\mathbb{Z}$

19 votes
Accepted

How to learn a continuous function?

18 votes
Accepted

Question on OEIS A000085

17 votes

Prominent non-mathematical work of mathematicians

16 votes
Accepted

Is every odd positive integer of the form $P_{n+m}-P_n-P_m$?

16 votes

Product of complex numbers on the unit circle with largest real part

15 votes
Accepted

How to construct a 5-regular 1-planar bipartite graph?

14 votes

In what sense is SL(2,q) "very far from abelian"?

12 votes
Accepted

For any integer $n>1$, there always exists at least one prime number $p$ with $n < p< n+\left(\ln\Big(\frac{n}{\ln n}\Big)+1\right)^2$

9 votes
Accepted

When does a graph have a circular orientation? Or equivalently can anyone help me characterize this particular class of $3$-colorable perfect graphs?

9 votes
Accepted

Orientability of $\mathbb{Z}^n$

8 votes
Accepted

Are there graphs with irrational eigenvalues which are all $>1$?

8 votes

$G\cong C_4\times A_5$ or $C_2\times C_2\times A_5$?

8 votes

Proven chaos in logistic maps

8 votes
Accepted

Graph embeddings in the projective plane: for the 35 forbidden minors, do we know their Colin de Verdière numbers?

7 votes

How many cones with angle theta can I pack into the unit sphere?

7 votes
Accepted

What is the best way to partition the $4$-subsets of $\{1,2,3,\dots,n\}$?

6 votes
Accepted

growth of the permanent of some band matrix

6 votes
Accepted

Is the representation of finite simple groups fully understood?

6 votes
Accepted

Guessing the number of other $1$'s in a binary sequence

6 votes
Accepted

Distributing $N$ points on the sphere so that the sum of their mutual distances is maximized?

5 votes
Accepted

Packing vertices on a hypercube graph?

5 votes
Accepted

What about a formula similar than Mill's formula, but producing positive integers without repeated prime factors?

5 votes
Accepted

Is this graph problem NP-Hard?

5 votes

Smooth Julia set for quadratic polynomials

5 votes
Accepted

Perfect sphere packings (as opposed to perfect ball packings)

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