N. Chandgotia, R. Peled, S. Sheffield, and M. Tassy. (2018)cite arxiv:1810.10124Comment: 21 pages, 2 Figures. Corrected Lemma 4.2 (Lemma 4.12 in the current version) from the previous version.
F. Cibrian, M. Tentori, and N. Weibel. Proceedings of the 10th EAI International Conference on Pervasive Computing Technologies for Healthcare, page 241--244. ICST, Brussels, Belgium, Belgium, ICST (Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering), (2016)Poster.
F. Charles. (2012)cite arxiv:1206.4002Comment: 20 pages, minor changes. Theorem 4 is stated in greater generality, but proofs don't change. Comments still welcome.
A. Bene. (2010)cite arxiv:1010.5275
Comment: This survey (minus minor corrections) was written for and published
in the abstracts for the 57th Topology Symposium which took place in Okayama,
JP 2010. It summarizes the contents of a talk of the same title which
was given by the author at that conference on 8/12/2010.