131 reputation
2
bio website
location Minneapolis, MN
age 66
visits member for 1 year, 10 months
seen Dec 10 '13 at 21:57

I am interested in closure systems. I think of them as generalizations of the convex hull operation rather than a generalization of closure in topology. See: http://www.ams.org/meetings/sectional/1058-52-28.pdf