mathematical problem
problem that can be possibly solved via mathematics
Tarski's circle-squaring problem
mathematical problem
Kirkman's schoolgirl problem
mathematical problem
Mathematical problems of the classical antiquity
group of three mathematical problems
class number problem
finding complete list of imaginary quadratic fields having a given class number
Napoleon's problem
given a circle and its centre, the problem of dividing the circle into four equal arcs using only a compass
irregularity of distributions
numerical problem with no solution from 18 items up
Carpenter's rule problem
discrete geometry problem about whether a simple planar polygon be moved continuously so all vertices are in convex position, preserving edge lengths and simplicity
Cousin problems
creating a meromorphic function in multiple variables
Necklace splitting problem
another application in combinatorics
Prince Rupert's cube
largest cube that can pass through a hole cut through a unit cube without splitting the cube into two pieces
Tarski's high school algebra problem
Mathematical problem
Thomson problem
mathematical problem
hexagonal tortoise problem
mathematical problem
dividing a square into similar rectangles
problem in mathematics
urn problem
certain model studied in probability theory and combinatorics
Sleeping Beauty problem
mathematical problem
maximum flow problem
computational problem in graph theory
mice problem
mathematical problem
firing squad synchronization problem
problem in computer science and cellular automata
Bernstein's problem
problem in differential geometry
mountain climbing problem
mathematical problem
Boolean Pythagorean triples problem
mathematical problem
mean value problem
unsolved mathematical problem asking for a bound on the difference quotient arising in Newton’s method
sums of three cubes
the mathematical problem of characterizing which integers are representable as sums of three cubes of integers
multiple subset sum
mathematical optimization problem
three utilities problem
mathematical problem
Waring's problem
mathematical problem
inverse problem
process of calculating from a set of observations the causal factors that produced them, or deducing the causes or parameters that we cannot directly observe from their effects
equation solving
finding values for variables that make an equation true
art gallery problem
mathematical problem
Thirty-six officers problem
mathematical problem
balance puzzle
logic puzzle
Invariant subspace problem
partially-unsolved problem in mathematics
monkey and coconut problem
mathematical problem
No-three-in-line problem
topic in discrete geometry
Prescribed Ricci curvature problem
riemannian geometry mathematical problem
Tarski's plank problem
mathematical problem
tomographic reconstruction
estimate object properties from a finite number of projections
weak coloring
special case of graph labeling in graph theory
Einstein problem
problem in geometry
Participatory budgeting algorithm
problem in social choice
Budget-proposal aggregation
decision rules for participatory budgeting
Goldbach's conjecture
Conjecture that every even integer greater than 2 is the sum of two primes
system of equations
finite set of equations to be solved simultaneously (as a logical conjunction), possibly for multiple unknowns
Happy Ending problem
problem about proving that five points in the plane will have a subset forming the vertices of a convex quadrilateral