Mathematics – General Topology
Scientific paper
2005-01-28
Mathematics
General Topology
27 pages
Scientific paper
In this paper I will construct a non-separable hereditarily Lindelof space (L space) without any additional axiomatic assumptions. I will also show that there is a function f from [omega_1]^2 to omega_1 such that if A,B, subsets of omega_1, are uncountable and x omega_1, then there are a < b in A and B respectively with f(a,b) = x. Previously it was unknown whether such a function existed even if omega_1 was replaced by 2. Finally, I will prove that there is no basis for the uncountable regular Hausdorff spaces of cardinality aleph_1. Each of these results gives a strong refutation of a well known and longstanding conjecture. The results all stem from the analysis of oscillations of coherent sequences {e_i : i < omega_1} of finite-to-one functions. I expect that the methods presented will have other applications as well.
No associations
LandOfFree
A solution to the L space problem and related ZFC constructions does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with A solution to the L space problem and related ZFC constructions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and A solution to the L space problem and related ZFC constructions will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-392093