Disease recurrence, also called relapseEternal recurrence, or eternal return, the concept that the universe has been recurring, and will continue to recur, in a self-similar form an infinite number of times across infinite time or spaceHistoric recurrence, the repetition of similar events in historyPoincaré recurrence theorem, Henri Poincaré's theorem on dynamical systemsRadial recurrent artery – arising from the radial artery immediately below the elbowRecurrence (album), a 2008 metalcore album by ViraRecurrent neural network, a special artificial neural networkRecurrence period density entropy, an information-theoretic method for summarising the recurrence properties of dynamical systemsRecurrence plot, a statistical plot that shows a pattern that re-occursRecurrence relation, an equation which defines a sequence recursivelyRecurrent rotation, a term used in contemporary hit radio for frequently aired songs reference