
Computation of the cohomology rings of Kac-Moody groups, their flag manifolds and classifying spaces
Xu-an ZHAO
Front. Math. China ›› 2022, Vol. 17 ›› Issue (3) : 437-454.
Computation of the cohomology rings of Kac-Moody groups, their flag manifolds and classifying spaces
In this paper we introduce the history and present situation of the computation of the cohomology rings of Kac-Moody groups, their flag manifolds and classifying spaces, and give some problems and conjectures that deserve further study.
Kac-Moody groups / flag manifolds / classifying spaces / cohomology rings / spectral sequences
[1] |
Adams J F. Lectures on Exceptional Lie Groups. Chicago Lectures in Mathematics. Chicago, IL: University of Chicago Press, 1996
|
[2] |
Aguadé J, Broto C, Kitchloo N, Saumell L. Cohomology of classifying spaces of central quotients of rank two Kac-Moody groups. J Math Kyoto Univ, 2005, 45(3): 449–488
CrossRef
Google scholar
|
[3] |
Araki S. Cohomology modulo 2 of the compact exceptional groups E6 and E7. J Math Osaka City University, 1961, 12(1/2): 43–65
|
[4] |
Araki S, Shikata Y. Cohomology mod 2 of the compact exceptional group E8. Proc Japan Acad, 1961, 37: 619–622
CrossRef
Google scholar
|
[5] |
Araki S. Differential Hopf algebras and the cohomology mod 3 of the compact exceptional groups E7 and E8, Ann of Math, 1961, 73(2): 404–436
CrossRef
Google scholar
|
[6] |
Baum P F, Browder W. The cohomology of quotients of classical groups. Topology, 1965, 3: 305–336
CrossRef
Google scholar
|
[7] |
Bernstein I N, Gel’fand I M, Gel’fand S I. Schubert cells and cohomology of the spaces G/P. Russian Math Surveys, 1973, 28(3): 1–26
CrossRef
Google scholar
|
[8] |
Borel A. Sur la cohomologie des espaces fibres principaux et des espaces homogénes de groupes de Lie compacts. Ann of Math, 1953, 57(2): 115–207 (in French)
CrossRef
Google scholar
|
[9] |
Borel A. Homology and cohomology of compact connected Lie groups. Proc Nat Acad Sci, 1953, 39: 1142–1146
CrossRef
Google scholar
|
[10] |
Borel A. Sur l’homologie et la cohomologie des groupes de Lie compacts connexes. Amer J Math, 1954, 76: 273–342 (in French)
CrossRef
Google scholar
|
[11] |
Bott R, Samelson H. The cohomology ring of G/T, Proc Nat Acad Sci, 1955, 41: 490–493
CrossRef
Google scholar
|
[12] |
Bott R. An application of the Morse theory to the topology of Lie groups. Bull Soc Math, 1956, 84: 251–281
CrossRef
Google scholar
|
[13] |
Bott R. The space of loops on a Lie group. Michigan Math J, 1958, 5: 35–61
CrossRef
Google scholar
|
[14] |
Bott R, Loring W T. Differential Forms in Algebraic Topology. Graduate Texts in Mathematics, New York: Springer-Verlag, 1982, 82
CrossRef
Google scholar
|
[15] |
Broto C, Kitchloo N. Classifying spaces of Kac-Moody groups. Math Z, 2002, 240(3): 621–649
CrossRef
Google scholar
|
[16] |
Cartan E. La topologie des groupes de Lie. L’Enseignement Math, 1936, 35: 177–200 (in French)
|
[17] |
Castellana N, Kitchloo N. A homotopy construction of the adjoint representation for Lie groups. Math Proc Cambridge Philos Soc, 2002, 133(3): 399–409
CrossRef
Google scholar
|
[18] |
Chevalley C. Invariants of finite groups generated by reflections. Amer J Math, 1955, 77: 778–782
CrossRef
Google scholar
|
[19] |
Chevalley C. Sur les décompositions cellulaires des espaces G/B. In: Algebraic Groups and Their Generalizations: Classical Methods, Proc Symp in Pure Math, Providence, RI: AMS, 1994, 56(1), 1–26 (in French)
CrossRef
Google scholar
|
[20] |
Demazure M. Désingularisation des variétés de Schubert généralisées. Collection of articles dedicated to Henri Cartan on the occasion of his 70th birthday, I Ann Sci École Norm Sup, 1974, 7(4): 53–88 (in French)
CrossRef
Google scholar
|
[21] |
Duan H B. Multiplicative rule of Schubert classes. Invent Math, 2005, 159(2): 407–436
CrossRef
Google scholar
|
[22] |
Duan H B. The near-Hopf ring structure on the integral cohomology of 1-connected Lie groups. 2010, arXiv: 1008.4897
|
[23] |
Duan H B. Schubert calculus and cohomology of Lie groups, Part II, Compact Lie groups. 2015, arXiv: 1502.00410
|
[24] |
Duan H B. The characteristic classes and Weyl invariants of Spinor groups. 2018, arXiv: 1810.03799
|
[25] |
Duan H B, Zhao X A. The classification of cohomology endomorphisms of certain flag manifolds. Pacific J Math, 2000, 192(1): 93–102
CrossRef
Google scholar
|
[26] |
Duan H B, Zhao X Z. Schubert calculus and cohomology of Lie groups, Part I, 1-connected Lie groups. 2007, arXiv: 0711.2541
|
[27] |
Duan H B, Zhao X Z. Schubert calculus and the Hopf algebra structures of exceptional Lie groups. Forum Math, 2014, 26(1): 113–139
CrossRef
Google scholar
|
[28] |
Duan H B, Zhao X Z. Schubert presentation of the cohomology ring of flag manifolds G/T. J Comput Math, 2015, 18(1): 489–506
CrossRef
Google scholar
|
[29] |
Hopf H. Über die topologie der gruppen-mannigfaltigkeiten und libre verallgemeinerungen. Ann of Math, 1941, 42(2): 22–52 (in German)
CrossRef
Google scholar
|
[30] |
Husemoller D. Fibre Bundles, Second Edition. Graduate Texts in Mathematics, New York: Springer-Verlag, 1975, 20
|
[31] |
Jin C H, Zhao X A. On the Poincaré series of Kac-Moody Lie algebras. 2012, arXiv: 1210.0648v1
|
[32] |
Kac V G. Simple irreducible graded Lie algebras of finite growth. Izv Akad Nauk SSSR Ser Mat, 1968, 32: 1323–1367 (in Russian)
|
[33] |
Kac V G. Infinite Dimensional Lie Algebras. Cambridge: Cambridge University Press, 1982
CrossRef
Google scholar
|
[34] |
Kac V G. Constructing groups associated to infinite dimensionl Lie algebras, in Infinite Dimensional Groups with Applications. Berkeley, Calif, 1984, Math Sci Res Inst Publ, New York: Springer, 1985, 4, 167–216
CrossRef
Google scholar
|
[35] |
Kac V G. Torsion in cohomology of compact Lie groups and Chow rings of reductive algebraic groups. Invent Math, 1985, 80(1): 69–79
CrossRef
Google scholar
|
[36] |
Kac V G, Peterson D H. Regular functions on certain infinite-dimensional group. In: Arithmetic and Geometry, Vol II, Progr Math, Vol 36, Boston, MA: Birkhäuser, 1983, 141–166
CrossRef
Google scholar
|
[37] |
Kac V G, Peterson D H. Defining relations of certain infinite-dimensional groups. In: The Mathematical Heritage of Élie Cartan (Lyon, 1984), Astérisque, Numéro Hors Série, 1985, 165–208
|
[38] |
Kac V G, Peterson D H. Generalized invariants of groups generated by reflections. In: Geometry Today (Rome, 1984), Progr Math, Vol 60, Boston, MA: Birkhäuser, 1985, 231–249
|
[39] |
Kitchloo N. Topology of Kac-Moody groups. Ph.D. Thesis, Cambridge, MA: Massachusetts Institute of Technology, 1998
|
[40] |
Kitchloo N. On the topology of Kac-Moody groups. Math Z, 2014, 276(3/4): 727–756
CrossRef
Google scholar
|
[41] |
Kitchloo N. On some applications of unstable Adams operations to the topology of Kac-Moody groups. Proc Amer Math Soc, 2017, 145(2): 915–924
CrossRef
Google scholar
|
[42] |
Kleiman S L. Rigorous foundations of Schubert’s enumerative calculus. In: Mathematical Developments Arising from Hilbert Problems, Proc Sympos Pure Math, Vol 28, Providence, RI: AMS, 1976, 445–482
CrossRef
Google scholar
|
[43] |
Kleiman S L. Intersection theory and enumerative geometry: A decade in review. In: Algebraic Geometry (Bowdoin 1985), Proc Sympos Pure Math, Vol 46, Providence, RI: AMS, 1987, 321–370
CrossRef
Google scholar
|
[44] |
Kono A, Mimura M. Cohomology mod 2 of the classifying space of the compact connected Lie group of type E6. J Pure Appl Algebra 1975, 6(1): 61–81
CrossRef
Google scholar
|
[45] |
Kono A, Mimura M. Cohomology mod 3 of the classifying space of the Lie group E6, Math Scand, 1980, 46(2): 225–235
CrossRef
Google scholar
|
[46] |
Kono A, Mimura M, Shimada N. On the cohomology mod 2 of the classifying space of the 1-connected exceptional Lie group E7. J Pure Appl Algebra 1976, 8(3): 267–283
CrossRef
Google scholar
|
[47] |
Kono A, Kozima K. Homology of the Kac-Moody Lie groups, I. J Math Kyoto Univ, 1989, 29(3): 449–453
CrossRef
Google scholar
|
[48] |
Kono A, Kozima K. Homology of the Kac-Moody Lie groups, II. J Math Kyoto Univ, 1991, 31(1): 165–170
CrossRef
Google scholar
|
[49] |
Kono A, Kozima K. Homology of the Kac-Moody Lie groups, III. J Math Kyoto Univ, 1991, 31(4): 1115–1120
CrossRef
Google scholar
|
[50] |
Kostant B. Lie algebra cohomology and generalized Schubert cells. Ann of Math, 1963, 77(2): 72–144
CrossRef
Google scholar
|
[51] |
Kostant B, Kumar S. T-equivariant K-theory of generalized flag varieties. Proc Nat Acad Sci, 1987, 84(13): 4351–4354
CrossRef
Google scholar
|
[52] |
Kostant B, Kumar S. The nil-Hecke ring and cohomology of G/P for a Kac-Moody group G. Adv Math, 1986, 62(3): 187–237
CrossRef
Google scholar
|
[53] |
Kumar S. Rational homotopy theory of flag varieties associated to Kac-Moody groups. In: Infinite-dimensional Groups with Applications, Berkeley, Calif, 1984, Math Sci Res Inst Publ, New York: Springer, 1985, 4, 233–273
CrossRef
Google scholar
|
[54] |
Kumar S. Kac-Moody groups, their flag varieties and representation theory. Progress in Mathematics, Boston, MA: Birkhäuser, 2002, 204
CrossRef
Google scholar
|
[55] |
Lakshmibai V, Gonciulea N. Flag varieties. Hermann-Actualités Mathématiques, Hermann, 2001
|
[56] |
Leray J. Sur l’homologie des groupes de Lie, des espaces homogènes et des espaces fibrés principaux. In Colloque de topologie (espacefibrés), Bruxelles, 1950, Liège: Georges Thone, 1951, 101–115 (in French)
|
[57] |
Milnor J W, Moore J C. On the structure of Hopf algebras. Ann of Math, 1965, 81(2): 211–264
CrossRef
Google scholar
|
[58] |
Mimura M, Sambe Y. On the cohomology mod p of the classifying spaces of the exceptional Lie groups I, II, III. J Math Kyoto Univ, 1979, 19(3): 553–581; 1980, 20(2): 327–379
CrossRef
Google scholar
|
[59] |
Mimura M, Toda H. Topology of Lie Groups, I, II. Translated from the 1978 Japanese edition by the authors, Translations of Mathematical Monographs, Providence, RI: AMS, 1991, Vol 91
|
[60] |
Mimura M, Sambe Y, Tezuka M. Cohomology mod 3 of the classifying space of the exceptional Lie group E6, I: structure of Cotor, 2011, arXiv: 1112.5811; II: The Weyl group invariants, 2012, arXiv: 1201.3414
|
[61] |
Moody R V. A new class of Lie algebras. J Algebra, 1968, 10: 211–230
CrossRef
Google scholar
|
[62] |
Nakagawa M. The integral cohomology ring of E7/T. J Math Kyoto Univ, 2001, 41(2): 303–321
CrossRef
Google scholar
|
[63] |
Nakagawa M. The integral cohomology ring of E8/T. Proc Japan Acad Ser A Math Sci, 2010, 86(3): 64–68
CrossRef
Google scholar
|
[64] |
Pittie H V. The integral homology and cohomology rings of SO(n) and Spin(n). J Pure Appl Algebra 1991, 73(2): 105–153
CrossRef
Google scholar
|
[65] |
Pontryagin L S. Sur les nombres de Betti des groupes de Lie. C R Acad Sci Paris, 1935, 200: 1277–1280 (in French)
|
[66] |
Pontrjagin L S. Homologies in compact Lie groups. Rec Math N S, 1939, 48(6): 389–422
|
[67] |
Rothenberg M, Steenrod N E. The cohomology of classifying spaces of H-spaces. Bull Amer Math Soc, 1965, 71: 872–875
CrossRef
Google scholar
|
[68] |
Ruan Y Y, Zhao X A. Cohomology of classifying spaces of rank 3 Kac-Moody groups, in preparation
|
[69] |
Schubert H. Kalkül der abzählenden Geometrie. Berlin: Springer-Verlag, 1979 (in German)
CrossRef
Google scholar
|
[70] |
Schubert H. Anzahl-Bestimmungen für Lineare Räme, Beliebiger dimension. Acta Math, 1886, 8(1): 97–118 (in German)
CrossRef
Google scholar
|
[71] |
Toda H. Cohomology mod 3 of the classifying space BF4 of the exceptional group F4. J Math Kyoto Univ, 1973, 13: 97–115
CrossRef
Google scholar
|
[72] |
Toda H. Cohomology of the classifying space of exceptional Lie groups. In: Manifolds–Tokyo, 1973, Tokyo: Univ Tokyo Press, 1975, 265–271
|
[73] |
Toda H, Watanabe T. The integral cohomology ring of F4/T and E6/T, J Math Kyoto Univ, 1974, 14: 257–286
CrossRef
Google scholar
|
[74] |
Wang R. Polynomial invariants of affine Weyl groups. Master Thesis, Beijing: Beijing Normal University, 2019
|
[75] |
Weil A. Foundations of Algebraic Geometry. Providence, RI: AMS, 1962
CrossRef
Google scholar
|
[76] |
Whitehead G W. Elements of Homotopy Theory. New York: Springer-Verlag, 1978
CrossRef
Google scholar
|
[77] |
Yen C T. Sur les polynomes de Poincaré des groupes de Lie exceptionnels. C R Acad Sci Paris, 1949, 228: 628–630 (in French)
|
[78] |
Yang T. The cohomology of classifying spaces of rank 2 Kac-Moody groups. Master Thesis, Beijing: Beijing Normal University, 2017
|
[79] |
Zhao X A, Jin C H. Polynomial invariants of Weyl groups for Kac-Moody groups. Pacific J Math, 2014, 269(2): 491–509
CrossRef
Google scholar
|
[80] |
Zhao X A, Jin C H, Zhang J M. Poincaré series and rational homotopy types of Kac- Moody groups and their flag manifolds. Ann Math Ser A, 2017, 38(4): 461–468 (in Chinese)
|
[81] |
Zhao X A, Gao H Z. The rational cohomology Hopf algebra of a generic Kac-Moody group. 2018, arXiv: 1804.05491
|
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