Mathematical problems

C

• Computational problems (5 C, 28 P)

M

• Mathematical paradoxes (5 C, 30 P)
• Mathematical theorems (19 C, 51 P)
• Mathematics paradoxes (empty)

P

• Packing problems (29 P)
• Probability problems (31 P)

U

• Unsolved problems in mathematics (2 C, 73 P)

• Mathematical problem

A

• Addition in quadrature
• Alhazen's problem

B

• Basel problem
• Behrens–Fisher problem
• Birthday problem
• Block-stacking problem
• Boolean Pythagorean triples problem
• Boundary value problem
• Bristol Bridges Walk

C

• Carpenter's rule problem
• Cauchy problem
• Cheryl's Birthday
• Circulation problem
• Class number problem
• Clock angle problem
• Common fixed point problem
• Congruence lattice problem
• Covering problems

D

• Dining cryptographers problem
• Dirichlet problem
• Dissection problem

E

• Eight queens puzzle
• Envy-free cake-cutting
• Erdős discrepancy problem

F

• Fagnano's problem
• Finite lattice representation problem
• Finite volume method for three-dimensional diffusion problem
• Firing squad synchronization problem

G

• Goursat problem
• Guillotine problem

H

• Hadwiger–Nelson problem
• Halting problem
• Hamburger moment problem
• Hansen's problem
• Happy ending problem
• Hausdorff moment problem

I

• Illumination problem
• Invariant subspace problem

J

• Josephus problem

K

• Kirkman's schoolgirl problem
• Klee's measure problem
• Knight's tour
• Kolkata Paise Restaurant Problem
• Kuratowski's closure-complement problem

L

• Langley’s Adventitious Angles
• Lattice problem
• List of Graph Theory Problems
• Littlewood–Offord problem

M

• Minimum-cost flow problem
• Moment problem
• The monkey and the coconuts
• Monty Hall problem
• Mountain climbing problem
• Mrs. Miniver's problem

N

• Napkin ring problem
• Napoleon's problem
• Necklace splitting problem
• Network simplex algorithm
• Newton's minimal resistance problem
• Newton–Pepys problem
• No-three-in-line problem

O

• Oberwolfach problem
• Orchard-planting problem

P

• Parity problem
• Parity problem (sieve theory)
• Plateau's problem
• Postage stamp problem
• Prescribed Ricci curvature problem
• Prescribed scalar curvature problem
• Prouhet–Tarry–Escott problem

R

• Riemann–Hilbert problem
• Rope-burning puzzle

S

• Snellius–Pothenot problem
• Square trisection
• Squaring the square
• Stable marriage problem
• Stable matching problem
• Stieltjes moment problem

T

• Tarski's circle-squaring problem
• Traveling tournament problem
• Turán's brick factory problem

V

• Vertex enumeration problem

W

• Waring's problem
• Water pouring puzzle
• Whitehead problem

Y

• Yamabe problem

Z

• Zarankiewicz problem
• Znám's problem