The story
Introduced by Maurice Gevrey.
Etymology from Wiktionary, CC BY-SA 4.0.
Gevrey class
Today it means: The Gevrey classes on a domain #92;Omega#92;subseteq#92;Rⁿ are spaces of functions 'between' the space of analytic functions C#92;omega(#92;Omega) and the space of smooth (infinitely differentiable) functions C#92;infty(#92;Omega). They are used in control engineering for trajectory planning. Full definition →