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 halting problem

plural of Cauchy problem

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

plural of problem bear

(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 diamond problem

plural of XY problem

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.