plural of Epping

A market town and civil parish in Epping Forest district, Essex, England (OS grid ref TL455025). / A town in Rockingham County, New Hampshire, United States.

An area of ancient woodland in Essex and Greater London, England. / A local government district in Essex, England.

The name for the fifth letter of the Greek alphabet, ε or Ε, preceded by delta (Δ, δ) and followed by zeta (Ζ, ζ).

plural of epsilon number

(set theory) Any (necessarily transfinite) ordinal number α such that ω^α = α; (by generalisation) any surreal number that is a fixed point of the exponential map x → ωˣ.

plural of epsilon-machine

(computational mechanics) A deterministic automaton consisting of a system of causal states and the transitions between them, functioning as the smallest possible maximally predictive model of a stochastic process

Relating to epsilonics.

The study of error in mathematical approximations.