Celebratio Mathematica

É. Ghys, A. Ran­icki, J.-M. Gam­baudo, A. Co­hen, J. van Wijk, J. Collins, M. Bour­rigan, and C. Palmer: Six pa­pers on sig­na­tures, braids and Seifert sur­faces. Edi­ted by É. Ghys and A. Ran­icki. En­saios Matemáti­cos 30. So­ciedade Brasileira de Matemática (Rio de Janeiro), 2016. MR 3587804 Zbl 1420.​57004 book

É. Ghys and A. Ran­icki: “Sig­na­tures in al­gebra, to­po­logy and dy­nam­ics,” pp. 1–​173 in Six pa­pers on sig­na­tures, braids and Seifert sur­faces. Edi­ted by É. Ghys and A. Ran­icki. En­saios Matem­ati­cos 30. So­ciedade Brasileira de Matemática (Rio de Janeiro), 2016. MR 3617347 Zbl 1372.​57001 ArXiv 1512.​092582 incollection