(quantum mechanics) The general name for a vast category of physical problems pertaining to the properties of microscopic systems made of many interacting particles.

Synonym of stable marriage problem

The problem of finding a stable matching between two equal-sized sets of elements, given an ordering of preferences for each element.

(graph theory) The problem of finding the longest possible induced path in a hypercube.

(marketing) The situation where a potential consumer looks for the best good or service in an unfamiliar, expensive, or infrequently-bought category, requiring a great deal of research.

(US, humorous) Used to report that a (major) problem has occurred.

(mathematics) The problem of finding two disjoint sets A and B of n integers each, such that ∑_(a∈A)aⁱ=∑_(b∈B)bⁱ for each integer i from 1 to a given k.

plural of problemsolver

(rare) Someone who or something that solves a problem or problems.

Characterised or marked by problems