# Annular domain

From Encyclopedia of Mathematics

A doubly-connected planar domain between two closed Jordan curves without common points, one of each encloses the other.

For an annular domain with respect to a quadratic differential, see Global structure of trajectories of a quadratic differential.

**How to Cite This Entry:**

Annular domain. E.D. Solomentsev (originator),

*Encyclopedia of Mathematics.*URL: http://www.encyclopediaofmath.org/index.php?title=Annular_domain&oldid=14515

This text originally appeared in Encyclopedia of Mathematics - ISBN 1402006098