Mathematics catalogue
Provisional editorial order for Top Open Problems: Millennium Prize Problems first, followed by assessed difficulty tiers; the unassessed remainder keeps its previous catalogue order. About rankings
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- Math-11201 Is it true that the sum of the k largest Laplacian eigenvalues of a graph with m edges is at most k(k+1)/2+m
- Math-11202 Is it possible for a permutation on n symbols to contain exactly n
- Math-11203 A d-dimensional permutation of order n is an n-by-n-by
- Math-11204 Take any positive integer, and apply the following process: (1) divide it by two if it's even, multiply by three and add
- Math-11205 Suppose that S is a set of positive integers with the property that S+S -- that is, all sums of the form s_(1)+s_(2) for
- Math-11206 Suppose k runners having distinct constant speeds start at a common point and run laps on a unit length circular track
- Math-11207 Show that there is some B so that no integer appears more than B times among the binomial coefficients
- Math-11208 There is no n so that the only integer m with phi(n) = phi(m) is m=n
- Math-11209 Is there a dense of points in the real plane so that every two points are at a rational distance
- Math-11210 Is there a prime between n^(2)and (n+1)^(2 )for every n > 0
- Math-11211 For each k and every sufficiently large n with k dividing ((n-1) choose (k-1)), there is a universal cycle for the k-sub
- Math-11212 Let G be a bicolored graph, and let H be the graph whose vertices are the valid pressing sequences of G and whose edges
- Math-11213 Dittert–Hajek conjecture
- Math-11214 Minimum length of a superpermutation
- Math-11215 Rudin's conjecture on squares in progressions
- Math-11216 Exact Dedekind numbers
- Math-11217 Conjectural Large Genus Asymptotics of Masur–Veech Volumes
- Math-11218 Conjectural Large Genus Asymptotics of Area Siegel–Veech Constants
- Math-11219 Multiplicity-one support of area Siegel–Veech constants
- Math-11220 Bounded wandering domains of entire functions
- Math-11221 Finiteness of Newtonian equilibrium points
- Math-11222 Modified Cartan conjecture
- Math-11223 Few inflection points of holomorphic curves
- Math-11224 Point-hyperplane incidences
- Math-11225 Integer-distance point sets
- Math-11226 Packing reciprocal rectangles in a square
- Math-11227 Classification of Finite Metric Spaces and Combinatorics of Convex Polytopes
- Math-11228 N-body problem
- Math-11229 Periods of Pseudo-Integrable Billiards
- Math-11230 Pisot substitution conjecture
- Math-11231 Nivat's conjecture
- Math-11232 Reversible equivariant planar differential systems
- Math-11233 An extended Poncelet problem I
- Math-11234 An extended Poncelet problem II
- Math-11235 Multiple ergodic averages — Problem 1
- Math-11236 Multiple ergodic averages — Problem 3
- Math-11237 Multiple ergodic averages — Problem 9
- Math-11238 Multiple ergodic averages — Problem 13
- Math-11239 Multiple ergodic averages — Problem 17
- Math-11240 Multiple ergodic averages — Problem 22
- Math-11241 Multiple ergodic averages — Problem 24
- Math-11242 Multiple ergodic averages — Problem 30
- Math-11243 Multiple ergodic averages — Problem 32
- Math-11244 Multiple ergodic averages — Problem 34
- Math-11245 Quantum unique ergodicity
- Math-11246 Elliptic-billiard invariant k_{107}
- Math-11247 Elliptic-billiard invariant k_{108}
- Math-11248 Elliptic-billiard invariant k_{110}
- Math-11249 Elliptic-billiard invariant k_{111}
- Math-11250 Elliptic-billiard invariant k_{114}