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54
If you break a stick at two points chosen uniformly, the probability the three resulting sticks form a triangle is 1/4. Is there a “nice” proof of this fact?
21
What’s a nice argument that shows the volume of the unit n-ball in R^n approaches 0?
13
A strange sum over bipartite graphs
12
Number of invertible {0,1} real matrices?
11
Cauchy-Schwarz and pigeonhole
10
What are some good examples of non-monotone graph properties?
10
Invertibility of a certain matrix indexed by the Hamming cube
8
The latice spanned by $m$ random 0-1 vectors of length $n$ (2)
8
Undergraduate Level Math Books
8
Splitting pythagorean triples
8
Bound on cardinality of a union
7
Non trivial colouring of the edges of an infinite complete graph
6
Singularity of sparse random matrices
6
The middle eigenvalues of an undirected graph
6
Given a sequence defined on the positive integers, how should it be extended to be defined at zero?
6
Existence of a nice subset of edges in $k-$regular simple graphs?
6
Discrete disjoint covering of integer lattices
5
Bounds on maximal eigenvalue of a k-regular graph
5
“sparse graphs are locally tree-like”
4
Concentration results for inner products of two independent random gaussian vectors
4
how to cover a set in a grid with as few rectangles as possible
4
Best lower bound for off-diagonal Ramsey numbers
4
Spectrum of the Laplacian on G(n, p) and G(n, M)
4
Linear Algebra Over F_{2}
4
What are the Schur functions of the eigenvalues of a non-negative integer matrix counting?
4
Asymptotics of the number of compositions whose summands are the divisors of a number?
3
Random Alternating Permutations
3
Primes are pseudorandom?
3
Does an $n$ dimensional subspace intersect the $n$-facets of the unit cube?
3
Large Intersecting Subsets of a Set
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