Skip to main content
Log in

Crystal Graphs of Higher Level q-deformed Fock Spaces, Lusztig a-values and Ariki–Koike Algebras

  • Published:
Algebras and Representation Theory Aims and scope Submit manuscript

Abstract

We show that the different labelings of the crystal graph for irreducible highest weight \(\mathcal{U}_q (\widehat{\mathfrak{sl}}_e)\)-modules lead to different labelings of the simple modules for non semisimple Ariki–Koike algebras by using Lusztig a-values.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

  1. Ariki, S.: On the semi-simplicity of the Hecke algebra of (Z/r Z)≀S n . J. Algebra 169(1), 216–225 (1994)

    Article  MATH  MathSciNet  Google Scholar 

  2. Ariki, S.: On the decomposition numbers of the Hecke algebra of G(m,1,n). J. Math. Kyoto Univ. 36, 789–808 (1996)

    MATH  MathSciNet  Google Scholar 

  3. Ariki, S.: On the classification of simple modules for cyclotomic Hecke algebras of type G(m,1,n) and Kleshchev multipartitions. Osaka J. Math. 38, 827–837 (2001)

    MATH  MathSciNet  Google Scholar 

  4. Ariki, S.: Representations of quantum algebras and combinatorics of Young tableaux. American Math. Soc., Providence, RI (2002, Univ. Lecture Series, 26)

  5. Ariki, S., Koike, K.: A Hecke algebra of (ℤ/rℤ)≀\(\mathfrak{S}_n\) and construction of irreducible representations. Adv. Math. 106, 216–243 (1994)

    Article  MATH  MathSciNet  Google Scholar 

  6. Broué, M., Malle, G.: Zyklotomische Heckealgebren. Astérisque 212, 119–189 (1993)

    Google Scholar 

  7. Dipper, R., Mathas, A.: Morita equivalences of Ariki–Koike algebras. Math. Z. 240(3), 579–610 (2003)

    Article  MathSciNet  Google Scholar 

  8. Dipper, R., James, G., Mathas, A.: Cyclotomic q-Schur algebras. Math. Z. 229(3), 385–416 (1998)

    Article  MATH  MathSciNet  Google Scholar 

  9. Foda, O., Leclerc, B., Okado, M., Thibon, J.-Y., Welsh, T.: Branching functions of \(A^{{(1)}}_{{n - 1}}\) and Jantzen–Seitz problem for Ariki–Koike algebras. Adv. Math. 141(2), 322–365 (1999)

    Article  MATH  MathSciNet  Google Scholar 

  10. Graham, J., Lehrer, G.: Cellular algebras. Invent. Math 123, 1–34 (1996)

    Article  MATH  MathSciNet  Google Scholar 

  11. Geck, M.: Representations of Hecke algebras at roots of unity. Séminaire Bourbaki. Vol. 1997/98. Astérisque 252, 33–55 (1993)

    Google Scholar 

  12. Geck, M.: Kazhdan–Lusztig cells and decompositions numbers. Represent. Theory 2, 264–277 (1998)

    Article  MATH  MathSciNet  Google Scholar 

  13. Geck, M.: Modular Representations of Hecke Algebras. EPFL Press (2007, in press)

  14. Geck, M., Rouquier, R.: Filtrations on projective modules for Iwahori–Hecke algebras. Modular representation theory of finite groups (Charlottesville, VA, 1998), pp. 211–221. de Gruyter, Berlin (2001)

    Google Scholar 

  15. Geck, M., Iancu, L., Malle, G.: Weights of Markov traces and generic degrees. Indag. Math. (N.S.) 11, 379–397 (2000)

    Article  MATH  MathSciNet  Google Scholar 

  16. Jacon, N.: On the parametrization of the simple modules for Ariki–Koike algebras. J. Math. Kyoto Univ. 44(4), 729–767 (2004)

    MATH  MathSciNet  Google Scholar 

  17. Jacon, N.: An algorithm for the computation of the decomposition matrices for Ariki–Koike algebras. J. Algebra (Comp. Algebra section) 292, 100–109 (2005)

    MATH  MathSciNet  Google Scholar 

  18. Jimbo, M., Misra, K., Miwa, T., Okado, M.: Combinatorics of representations of \(\mathcal{U}_q(\widehat{sl}(n))\) at q=0. Comm. Math. Phys. 136, 543–566 (1991)

    Article  MATH  MathSciNet  Google Scholar 

  19. Leclerc, B., Thibon, J.-Y.: Canonical bases of q-deformed Fock spaces. Internat. Math. Res. Notices 9, 447–456 (1996)

    Article  MathSciNet  Google Scholar 

  20. Mathas, A.: Simple modules of Ariki–Koike algebras, in group representations: cohomology, group actions and topology. Proc. Sympos. Pure Math. 63, 383–396 (1998)

    MathSciNet  Google Scholar 

  21. Mathas, A.: The representation theory of the Ariki–Koike and cyclotomic q-Schur algebras, Representation theory of algebraic groups and quantum groups. Adv. Stud. Pure Math. 40, 261–320 (2004)

    MathSciNet  Google Scholar 

  22. Takemura, H., Uglov, D.: Representations of the quantum toroidal algebra on highest weight modules of the quantum affine algebra of type \({\mathfrak{gl}}_N\). Publ. Res. Inst. Math. Sci. 35(3), 407–450 (1999)

    MATH  MathSciNet  Google Scholar 

  23. Uglov, D.: Canonical bases of higher-level q-deformed Fock spaces and Kazhdan–Lusztig polynomials. In: Kashiwara, M. et al. (eds.) Physical Combinatorics. Proceedings of a workshop, Kyoto, Japan, January 29–February 2, 1999. Birkhäuser, Boston. Prog. Math. 191, 249–299 (2000)

  24. Uglov, D.: Canonical base of higher-level q-deformed Fock spaces (short version of Uglov 2000) math.QA/9901032 (2007, in press)

  25. Yvonne, X.: Bases canoniques d’espaces de Fock en niveau supérieur. PhD thesis, Université de Caen (2005)

  26. Yvonne, X.: A conjecture for q-decomposition matrices of cyclotomic v-Schur algebras. math.RT/0505379 (2007, in press)

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Nicolas Jacon.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Jacon, N. Crystal Graphs of Higher Level q-deformed Fock Spaces, Lusztig a-values and Ariki–Koike Algebras. Algebr Represent Theor 10, 565–591 (2007). https://doi.org/10.1007/s10468-007-9081-2

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s10468-007-9081-2

Keywords

Mathematics Subject Classification (2000)

Navigation