Lucas, F.; Madden, J.; Schaub, D.; Spivakovsky, M. Approximate roots of a valuation and the Pierce-Birkhoff conjecture. (English. French summary) Zbl 1271.13051 Ann. Fac. Sci. Toulouse, Math. (6) 21, No. 2, 259-342 (2012). Reviewer: Igor Klep (Auckland) MSC: 13J30 13A18 PDFBibTeX XMLCite \textit{F. Lucas} et al., Ann. Fac. Sci. Toulouse, Math. (6) 21, No. 2, 259--342 (2012; Zbl 1271.13051) Full Text: DOI arXiv
Lucas, F.; Madden, J. J.; Schaub, D.; Spivakovsky, M. On connectedness of sets in the real spectra of polynomial rings. (English) Zbl 1169.14039 Manuscr. Math. 128, No. 4, 505-547 (2009). Reviewer: Niels Schwartz (Passau) MSC: 14P10 13J30 PDFBibTeX XMLCite \textit{F. Lucas} et al., Manuscr. Math. 128, No. 4, 505--547 (2009; Zbl 1169.14039) Full Text: DOI arXiv
Lucas, Francois; Schaub, Daniel; Spivakovsky, Mark On points at infinity of real spectra of polynomial rings. (English) Zbl 1181.14059 Mich. Math. J. 57, 587-599 (2008). Reviewer: Gyu Whan Chang (Incheon) MSC: 14P10 13A18 06F25 13B25 PDFBibTeX XMLCite \textit{F. Lucas} et al., Mich. Math. J. 57, 587--599 (2008; Zbl 1181.14059) Full Text: DOI arXiv