(mathematics, mathematical analysis) For a given m-order partial differential equation, the problem of finding a solution function u on ℝⁿ that satisfies the boundary conditions that, for a smooth manifold S⊂ℝⁿ, u(x)=f_0(x) and (∂ᵏu(x))/(∂nᵏ)=f_k(x), ∀x∈S, k=1…m-1, given specified functions f_k defined on, and vector n normal to, the manifold.

A communication problem where a person seeking help (for example, from a computing helpdesk) provides misleadingly incomplete information about the source of the problem and thus receives inaccurate or unhelpful suggestions about how to fix it.

The problem that the meanings of symbols cannot be grounded, but require more symbols to explain them.

(philosophy) the philosophical problem involving our ethical obligations to future persons which derives from the observation that different courses of action will result in entirely different, or nonidentical, persons coming to be.

plural of problem bear

A bear that poses a danger to humans because it has adapted to human activities or habitat.

(mathematics) The problem of deciding whether a given expression is equal to zero.

The problem of determining the minimum electrostatic potential energy configuration of a given number of electrons constrained to the surface of a unit sphere that repel each other with a force given by Coulomb's law.

plural of problem play

(theater) A form of drama that emerged in the 19th century as part of realism, dealing with contentious social issues through debates between the characters on stage, who typically represent conflicting points of view within a realistic social context.