mathematical problem
problem that can be possibly solved via mathematics
constant problem
problem of deciding whether an expression equals zero
Gaussian moat
mathematical problem in number Theory
napkin ring problem
problem in geometry
difference equation
relationship between one or more independent variables, one or more dependent variables, and differences of those variables
Newton's minimal resistance problem
mathematical problem of finding a solid of revolution which experiences a minimum resistance when moving through a homogeneous fluid with constant velocity along the axis of revolution
squaring the circle
geometric problem
angle trisection
construction of an angle equal to one third a given angle
Burnside's problem
mathematical problem in group theory
Three Prisoners problem
mathematical problem
transportation theory
the mathematical study of optimal transportation and allocation of resources
Gauss circle problem
problem of counting integer points within a circle of given radius centered at the origin
coin problem
mathematical problem
minimum-cost flow problem
mathematical optimization problem
Circulation problem
generalization of network flow problems
Dutch national flag problem
programming problem proposed by Edsger Dijkstra
Guillotine problem
process of producing small rectangular items of fixed dimensions
Hansen's problem
fundamental topographical problem
hearing the shape of a drum
mathematical problem in spectral theory
Klee's measure problem
problem in computational geometry
solving chess
finding an optimal strategy for playing chess
social golfer problem
Mathematics problem
two envelopes problem
brain teaser, puzzle, or paradox in logic, probability, and recreational mathematics
Monty Hall problem
mathematical problem
doubling the cube
geometric problem of constructing a cube with twice the volume of a given cube
conjecture
proposition in mathematics that is unproven
mathematical chess problem
mathematical problem based on the board game chess
hierarchy problem
why is gravity weaker, compared to other fundamental forces
Problem of Apollonius
construct circles that are tangent to three given circles in a plane
bin packing problem
operations research problem of packing items into the fewest bins
Kepler conjecture
mathematical theorem about sphere packing
Archimedes' cattle problem
a problem in number theory with a very large solution, attributed to Archimedes
stability of the Solar System
Long term dynamical interactions that disrupt the Solar System
multi-armed bandit
reinforcement learning problem exemplifying the exploration–exploitation tradeoff
cap set
subset of finite affine or projective spaces with no three in line, where these objects are simply called caps
Bellman's lost in a forest problem
What is the best path for a lost hiker to follow to escape from a forest of known shape?