Celebratio Mathematica

D. Fuchs and C. Wil­marth: “Pro­jec­tions of sin­gu­lar vec­tors of Verma mod­ules over rank 2 Kac–Moody Lie al­geb­ras” in Spe­cial is­sue on Kac–Moody al­geb­ras and ap­plic­a­tions, published as SIGMA 4. Issue edi­ted by R. Borcherds, E. Fren­kel, V. Kac, R. Moody, J. Pa­t­era, A. Pi­an­zola, and P. Ra­mond. Na­tion­al Academy of Sci­ences of Ukraine (Kiev), 2008. Art­icle no. 059, 11 pages. MR 2434939 Zbl 1218.​17014 ArXiv 0806.​1976 incollection