A model for nonlinear behavior similar to the Taylor series, differing in its ability to capture 'memory' effects.

plural of Volterra integral equation

Either of a pair of first-order nonlinear differential equations that are frequently used to describe the dynamics of biological systems in which two species interact, one as a predator and the other as prey.

(mathematics) A special kind of integral equation, having applications in demography, the study of viscoelastic materials, and actuarial science.

plural of Lotka-Volterra equation