pseudogroup

C20469
concept

A pseudogroup is a collection of local homeomorphisms (or diffeomorphisms) on a topological space that is closed under composition, inversion, restriction to open subsets, and gluing of compatible local maps, generalizing the notion of a group action to local symmetries.

Observed surface forms (1)

Surface form Occurrences
transformation group 1

Instances (2)

Instance Via concept surface
Lie pseudogroup
affine group of R^n transformation group