2 papers
math.FA2009
On the complexity of the uniform homeomorphism relation between separable Banach spaces
Su Gao, Steve Jackson, Bünyamin Sari
We consider the problem of determining the complexity of the uniform homeomorphism relation between separable Banach spaces in the Borel reducibility hierarchy of analytic equivale…
math.LO2006
Steinhaus Sets and Jackson Sets
Su Gao, Arnold W. Miller, William A. R. Weiss
We prove that there does not exist a subset of the plane S that meets every isometric copy of the vertices of the unit square in exactly one point. We give a complete characterizat…