3 papers
math.CO2022
Turán Numbers of Ordered Tight Hyperpaths
John P. Bright, Kevin G. Milans, Jackson Porter
An ordered hypergraph is a hypergraph whose vertex set is linearly ordered. We find the Turán numbers for the -uniform -vertex tight path (with vertice…
math.GN2017
Monotone Covering Properties defined by Closure-Preserving Operators
Strashimir G. Popvassilev, John E. Porter
We continue Gartside, Moody, and Stares' study of versions of monotone paracompactness. We show that the class of spaces with a monotone closure-preserving open operator is strictl…
cs.DB2008
Some results on -computable structures
Wesley Calvert, John E. Porter
This survey paper examines the effective model theory obtained with the BSS model of real number computation. It treats the following topics: computable ordinals, satisfaction of c…