3 papers
math.GT2007
A construction of noncontractible simply connected cell-like two dimensional Peano continua
Katsuya Eda, Umed H. Karimov, Dušan Repovš
Using the topologist sine curve we present a new functorial construction of cone-like spaces, starting in the category of all path-connected topological spaces with a base point an…
math.GT2007
On the fundamental group of modulo the Case-Chamberlin continuum
K. Eda, U. H. Karimov, D. Repovš
It has been known for a long time that the fundamental group of the quotient of $\RR ^3$ by the Case-Chamberlin continuum is nontrivial. In the present paper we prove that this gro…
math.LO2000
The non-commutative Specker phenomenon in the uncountable case
Katsuya Eda, Saharon Shelah
An infinitary version of the notion of free products has been introduced and investigated by G.Higman. Let G_i (for i in I) be groups and ast_{i in X} G_i the free product of G_i (…