merotopy

plural merotopies

1. mathematicsThe set of all subsets of a topological space such that, for some element in that space every neighbourhood of that element contains a member of the subset.

   That μ_A satisfies the axioms of a merotopy is easily seen.

   2004, Categorical Structures and Their Applications: Proceedings of the North-West European Category Seminar, Berlin, Germany, 28-29 March 2003, page 63

   1 more example

   An affirmative answer was given by Simon in a recent paper on natural merotopies.

   1980, Topology (issue 23, part 1, page 608)