Budapest Problem Exchange in Mathematics                            Problem No. 4
 
 

Area: Set theory, measure theory

Title: Measuring the set of straight lines

Problem Description: Is it true that if every set of reals with cardinal tex2html_wrap_inline20 is meagre (or of measure zero) then the union of tex2html_wrap_inline20 straight lines on the plane is also meagre (or of measure zero)?

Background:

Contact person: Péter Komjáth (kope@cs.elte.hu)

Posted by: Vince Grolmusz (grolmusz@cs.elte.hu)

Originated from: Péter Komjáth (kope@cs.elte.hu)
 



Vince Grolmusz

Wed Mar 18 20:51:37 MET 1998