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The three-body problem is a special case of the n-body problem, which describes how n objects move under one of the physical forces, such as gravity. These problems have a global analytical solution in the form of a convergent power series, as was proven by Karl F. Sundman for n = 3 and by Qiudong Wang for n > 3 (see n-body problem for details
In number theory, Ramanujan's sum, usually denoted c q (n), is a function of two positive integer variables q and n defined by the formula = ...
The Monty Hall problem is a brain teaser, in the form of a probability puzzle, based nominally on the American television game show Let's Make a Deal and named after its original host, Monty Hall. The problem was originally posed (and solved) in a letter by Steve Selvin to the American Statistician in 1975.
The phrase "girl math" is an internet meme, used to describe rationalizations by young women to justify indulgent and potentially irresponsible spending habits.
In mathematics, the unknotting problem is the problem of algorithmically recognizing the unknot, ... 633–660, arXiv: math/0607691, Bibcode:2006math ...
Frobenius coin problem with 2-pence and 5-pence coins visualised as graphs: Sloping lines denote graphs of 2x+5y=n where n is the total in pence, and x and y are the non-negative number of 2p and 5p coins, respectively.
On the solution of boundary value problems in hyperbolic differential equations [66] 1945 (M) Jeremiah Certaine: Harvard University: Lattice-ordered groupoids and some related problems [67] 1949 (F) Evelyn Boyd Granville: Yale University: On laguerre series in the complex domain [56] 1950 (F) Marjorie Lee Browne: University of Michigan
Smale's problems is a list of eighteen unsolved problems in mathematics proposed by Steve Smale in 1998 [1] and republished in 1999. [2] Smale composed this list in reply to a request from Vladimir Arnold, then vice-president of the International Mathematical Union, who asked several mathematicians to propose a list of problems for the 21st century.