Celebratio Mathematica

P. Baum and R. G. Douglas: “In­dex the­ory, bor­d­ism, and $K$-ho­mo­logy,” pp. 1–​31 in Op­er­at­or al­geb­ras and $K$-the­ory (San Fran­cisco, 7–8 Janu­ary 1981). Edi­ted by R. G. Douglas and C. Schochet. Con­tem­por­ary Math­em­at­ics 10. Amer­ic­an Math­em­at­ic­al So­ci­ety (Provid­ence, RI), 1982. MR 658506 Zbl 0507.​55004 incollection

P. Baum and R. G. Douglas: “$K$ ho­mo­logy and in­dex the­ory,” pp. 117–​173 in Op­er­at­or al­geb­ras and ap­plic­a­tions (King­ston, ON, 14 Ju­ly–2 Au­gust 1980), part 1. Edi­ted by R. V. Kadis­on. Pro­ceed­ings of Sym­po­sia in Pure Math­em­at­ics 38. Amer­ic­an Math­em­at­ic­al So­ci­ety (Provid­ence, RI), 1982. MR 679698 Zbl 0532.​55004 incollection

P. Baum, N. Hig­son, and T. Schick: “On the equi­val­ence of geo­met­ric and ana­lyt­ic $K$-ho­mo­logy,” pp. 1–​24 in Spe­cial is­sue: In hon­or of Robert D. MacPh­er­son, Part 3, published as Pure Ap­pl. Math. Q. 3 : 1. In­ter­na­tion­al Press (Som­merville, MA), 2007. MR 2330153 Zbl 1146.​19004 incollection

P. Baum, A. Carey, and B.-L. Wang: “$K$-cycles for twis­ted $K$-ho­mo­logy,” pp. 69–​98 in Nanjing spe­cial is­sue on K-the­ory, num­ber the­ory and geo­metry, published as J. K-The­ory 12 : 1. Issue edi­ted by X. Guo, H. Qin, and G. Tang. Cam­bridge Uni­versity Press, August 2013. MR 3126635 Zbl 1300.​19003 incollection

P. Baum, M. Joachim, M. Khorami, and T. Schick: Twis­ted $spi{n}^c$-bor­d­ism, D-branes, and twis­ted K-ho­mo­logy. In pre­par­a­tion. techreport