Template:Mathematical problems

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v t e Well-known mathematical problems
Number theory & algebra	Basel problem Boolean Pythagorean triples problem Class number problem Congruence lattice problem Finite lattice representation problem Invariant subspace problem Kadison–Singer problem Lattice problem Littlewood–Offord problem Moment problem Hamburger moment problem Hausdorff moment problem Stieltjes moment problem Parity problem (sieve theory) Waring's problem Whitehead problem Zero-sum problem Znám's problem
Geometry & topology	Alhazen's problem Boundary value problem Cramer–Castillon problem Dirichlet problem Dividing a square into similar rectangles Hadwiger–Nelson problem Illumination problem Klee's measure problem Napkin ring problem Napoleon's problem Necklace splitting problem Newton's minimal resistance problem No-three-in-line problem Orchard-planting problem Plateau's problem Prescribed Ricci curvature problem Prescribed scalar curvature problem Regiomontanus' angle maximization problem Riemann–Hilbert problem Schoenflies problem Spherical Bernstein's problem Square trisection Squaring the square Tarski's circle-squaring problem Turán's brick factory problem Vertex enumeration problem Yamabe problem Zarankiewicz problem
Probability & statistics	Behrens–Fisher problem Birthday problem Erdős discrepancy problem Monty Hall problem Newton–Pepys problem
Puzzles & recreational math	Block-stacking problem Bristol Bridges Walk Carpenter's rule problem Cheryl's Birthday Clock angle problem Dining cryptographers problem Dissection problem Eight queens puzzle Firing squad synchronization problem Happy ending problem Josephus problem Kirkman's schoolgirl problem Knight's tour Kolkata Paise Restaurant Problem The monkey and the coconuts Mountain climbing problem Mrs. Miniver's problem Oberwolfach problem Rope-burning puzzle Seven Bridges of Königsberg Snellius–Pothenot problem Social golfer problem Stable matching problem Stable roommates problem Traveling tournament problem Water pouring puzzle
Optimization & algorithms	Circulation problem Minimum-cost flow problem Network simplex algorithm
Computer science & logic	Halting problem Hurwitz problem

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