Geodesic
The complexity of the set of squares in the homeomorphism group of the circle
Paul Gartside1 ; Bojana Pejić1
1 Department of Mathematics University of Pittsburgh 301 Thackeray Hall Pittsburgh, PA 15260, U.S.A.
Fundamenta Mathematicae, Tome 195 (2007) no. 2, pp. 125-134 Cet article a éte moissonné depuis la source Institute of Mathematics Polish Academy of Sciences

Voir la notice de l'article

The set of squares in the group of autohomeomorphisms of the circle is complete analytic, and hence analytic but not Borel.
DOI : 10.4064/fm195-2-2
Keywords: set squares group autohomeomorphisms circle complete analytic hence analytic borel

Paul Gartside 1 ; Bojana Pejić 1

1 Department of Mathematics University of Pittsburgh 301 Thackeray Hall Pittsburgh, PA 15260, U.S.A. 
@article{10_4064_fm195_2_2,
     author = {Paul Gartside and Bojana Peji\'c},
     title = {The complexity of the set of squares in the
 homeomorphism group of the circle},
     journal = {Fundamenta Mathematicae},
     pages = {125--134},
     year = {2007},
     volume = {195},
     number = {2},
     doi = {10.4064/fm195-2-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm195-2-2/}
}
TY  - JOUR
AU  - Paul Gartside
AU  - Bojana Pejić
TI  - The complexity of the set of squares in the
 homeomorphism group of the circle
JO  - Fundamenta Mathematicae
PY  - 2007
SP  - 125
EP  - 134
VL  - 195
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm195-2-2/
DO  - 10.4064/fm195-2-2
LA  - en
ID  - 10_4064_fm195_2_2
ER  - 
%0 Journal Article
%A Paul Gartside
%A Bojana Pejić
%T The complexity of the set of squares in the
 homeomorphism group of the circle
%J Fundamenta Mathematicae
%D 2007
%P 125-134
%V 195
%N 2
%U http://geodesic.mathdoc.fr/articles/10.4064/fm195-2-2/
%R 10.4064/fm195-2-2
%G en
%F 10_4064_fm195_2_2
Paul Gartside; Bojana Pejić. The complexity of the set of squares in the
 homeomorphism group of the circle. Fundamenta Mathematicae, Tome 195 (2007) no. 2, pp. 125-134. doi: 10.4064/fm195-2-2

Cité par Sources :