Celebratio Mathematica

E. Heintze, R. S. Pal­ais, C.-L. Terng, and G. Thorbergs­son: “Hy­per­pol­ar ac­tions on sym­met­ric spaces,” pp. 214–​245 in Geo­metry, to­po­logy, & phys­ics: For Raoul Bott (Cam­bridge, MA, 23–25 April 1993). Edi­ted by S.-T. Yau. Con­fer­ence Pro­ceed­ings and Lec­ture Notes in Geo­metry and To­po­logy 4. In­ter­na­tion­al Press (Cam­bridge, MA), 1995. Lec­tures of a con­fer­ence in hon­or of Raoul Bott’s 70th birth­day. MR 1358619 Zbl 0871.​57035 incollection