Celebratio Mathematica

G. Ben­k­art, S.-J. Kang, H. Lee, and D.-U. Shin: “The poly­no­mi­al be­ha­vi­or of weight mul­ti­pli­cit­ies for clas­sic­al simple Lie al­geb­ras and clas­sic­al af­fine Kac–Moody al­geb­ras,” pp. 1–​29 in Re­cent de­vel­op­ments in quantum af­fine al­geb­ras and re­lated top­ics (21–24 May 1998, Raleigh, NC). Edi­ted by N. Jing and K. C. Misra. Con­tem­por­ary Math­em­at­ics 248. Amer­ic­an Math­em­at­ic­al So­ci­ety (Provid­ence, RI), 1999. MR 1745252 Zbl 0948.​17011 incollection

G. Ben­k­art, S.-J. Kang, H. Lee, K. C. Misra, and D.-U. Shin: “The poly­no­mi­al be­ha­vi­or of weight mul­ti­pli­cit­ies for the af­fine Kac–Moody al­geb­ras \( A_r^{(1)} \),” Com­posi­tio Math. 126 : 1 (2001), pp. 91–​111. MR 1827864 Zbl 0997.​17013 ArXiv math/​9809026 article