The fundamental groups of subsets of closed surfaces inject into their first shape groups.
Fischer, Hanspeter ; Zastrow, Andreas
Geometry & Topology, Tome 5 (2005), p. 1655-1676 / Harvested from The Electronic Library of Mathematics
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Publié le : 2005-01-01
DOI : https://doi.org/10.2140/agt.2005.5.1655
EUDML-ID : urn:eudml:doc:125948 
@article{05002617,
     title = {The fundamental groups of subsets of closed surfaces inject into their first shape groups.},
     journal = {Geometry \& Topology},
     volume = {5},
     year = {2005},
     pages = {1655-1676},
     doi = {10.2140/agt.2005.5.1655},
     zbl = {1086.55009},
     language = {en},
     url = {http://dml.mathdoc.fr/item/05002617}
}

Fischer, Hanspeter; Zastrow, Andreas. The fundamental groups of subsets of closed surfaces inject into their first shape groups.. Geometry & Topology, Tome 5 (2005) pp. 1655-1676. doi : 10.2140/agt.2005.5.1655. http://gdmltest.u-ga.fr/item/05002617/