JSYML
2011
13 years 5 months ago
2011
With every σ-ideal I on a Polish space we associate the σ-ideal I∗ generated by the closed sets in I. We study the forcing notions of Borel sets modulo the respective σ-ideals...
MLQ
2011
13 years 9 months ago
2011
Given a graph G whose set of vertices is a Polish space X, the weak Borel chromatic number of G is the least size of a family of pairwise disjoint G-independent Borel sets that cov...
JCT
2011
13 years 9 months ago
2011
This article is devoted to the study of continuous colorings of the n-element subsets of a Polish space. The homogeneity number hm(c) of an n-coloring c : [X]n → 2 is the least s...