Skip to main content

Unitary Hecke algebra modules with nonzero Dirac cohomology

  • Chapter
  • First Online:
Symmetry: Representation Theory and Its Applications

Part of the book series: Progress in Mathematics ((PM,volume 257))

Abstract

In this paper, we review the construction of the Dirac operator for graded affine Hecke algebras and calculate the Dirac cohomology of irreducible unitary modules for the graded Hecke algebra of gl(n).

To Nolan Wallach with admiration

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

Access this chapter

Chapter
USD 29.95
Price excludes VAT (USA)
  • Available as PDF
  • Read on any device
  • Instant download
  • Own it forever
eBook
USD 99.00
Price excludes VAT (USA)
  • Available as EPUB and PDF
  • Read on any device
  • Instant download
  • Own it forever
Softcover Book
USD 129.99
Price excludes VAT (USA)
  • Compact, lightweight edition
  • Dispatched in 3 to 5 business days
  • Free shipping worldwide - see info
Hardcover Book
USD 129.99
Price excludes VAT (USA)
  • Durable hardcover edition
  • Dispatched in 3 to 5 business days
  • Free shipping worldwide - see info

Tax calculation will be finalised at checkout

Purchases are for personal use only

Institutional subscriptions

Notes

  1. 1.

    The first author was partially supported by NSF grants DMS-0967386, DMS-0901104 and an NSA-AMS grant. The second author was partially supported by NSF DMS-0968065 and NSA-AMS 081022.

References

  1. J. Arthur, Unipotent automorphic representations: conjectures. Orbites unipotentes et représentations, II, Astérisque No. 171–172 (1989), 13–71.

    Google Scholar 

  2. M. Atiyah, W. Schmid, A geometric construction of the discrete series for semisimple Lie groups, Invent. Math. 42 (1977), 1–62.

    Article  MathSciNet  MATH  Google Scholar 

  3. D. Barbasch, D. Ciubotaru, P. Trapa, The Dirac operator for graded affine Hecke algebras, Acta Math. 209 (2012), 197–227.

    Article  MathSciNet  MATH  Google Scholar 

  4. D. Barbasch, A. Moy, Unitary spherical spectrum for p-adic classical groups, Acta Appl. Math. 44 (1996), no. 1–2, 3–37.

    Article  MathSciNet  MATH  Google Scholar 

  5. W. Borho, R. MacPherson, Partial resolutions of nilpotent varieties, Analysis and topology on singular spaces, II, III (Luminy, 1981), 23–74, Astérisque, 101–102, Soc. Math. France, Paris, 1983.

    Google Scholar 

  6. J. Bernstein, A. Zelevinsky, Induced representations of reductive p-adic groups. I, Ann. Sci. École Norm. Sup. (4) 10 (1977), no. 4, 441–472.

    Google Scholar 

  7. A. Borel, N. Wallach, Continuous cohomology, discrete subgroups, and representations of reductive groups, Princeton University Press, Princeton, New Jersey, 1980.

    MATH  Google Scholar 

  8. C. Chevalley, The Algebraic Theory of Spinors, Columbia University Press, New York, 1954. viii+131 pp.

    Google Scholar 

  9. D. Ciubotaru, Spin representations of Weyl groups and Springer’s correspondence, J. Reine Angew. Math. 671 (2012), 199–222.

    MathSciNet  MATH  Google Scholar 

  10. D. Ciubotaru, P. Trapa, Characters of Springer representations on elliptic conjugacy classes, Duke Math. J. 162 (2013), 201–223.

    Article  MathSciNet  MATH  Google Scholar 

  11. T. Enright, N. Wallach, Embeddings of unitary highest weight representations and generalized Dirac operators, Math. Ann. 307 (1997), no. 4, 627–646.

    Article  MathSciNet  MATH  Google Scholar 

  12. J.-S. Huang, P. Pandzić, Dirac cohomology, unitary representations and a proof of a conjecture of Vogan, J. Amer. Math. Soc. 15 (2002), no. 1, 185–202.

    Article  MathSciNet  MATH  Google Scholar 

  13. A. Knapp, G. Zuckerman, Classification theorems for representations of semisimple Lie groups, Non-commutative harmonic analysis (Actes Colloq., Marseille-Luminy, 1976), 138–159. Lecture Notes in Math., Vol. 587, Springer, Berlin, 1977.

    Google Scholar 

  14. G. Lusztig, Affine Hecke algebras and their graded version, J. Amer. Math. Soc. 2 (1989), 599–635.

    Article  MathSciNet  MATH  Google Scholar 

  15. I.G. MacDonald, Symmetric functions and Hall polynomials, Oxford Mathematical Monographs, Oxford Science Publications, The Clarendon Press, Oxford University Press, New York, 1995. x+475 pp.

    Google Scholar 

  16. A. Morris, Projective representations of reflection groups. II, Proc. London Math. Soc. (3) 40 (1980), no. 3, 553–576.

    Google Scholar 

  17. A. Okounkov, A. Vershik, A new approach to representation theory of symmetric groups, Selecta Math. 2 (4) (1996), 581–605.

    Article  MathSciNet  MATH  Google Scholar 

  18. R. Parthasarathy, Dirac operator and the discrete series, Ann. of Math. (2) 96 (1972), 1–30.

    Google Scholar 

  19. J. Rogawski, On modules over the Hecke algebra of a p-adic group, Invent. Math. 79 (1985), no. 3, 443–465.

    Article  MathSciNet  MATH  Google Scholar 

  20. J. Stembridge, Shifted tableaux and the projective representations of symmetric groups, Adv. Math. 74 (1989), no. 1, 87–134.

    Article  MathSciNet  MATH  Google Scholar 

  21. M. Tadić, Classification of unitary representations in irreducible representations of general linear group (non-Archimedean case), Ann. Sci. École Norm. Sup. (4) 19 (1986), no. 3, 335–382.

    Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Dan Barbasch .

Editor information

Editors and Affiliations

Rights and permissions

Reprints and permissions

Copyright information

© 2014 Springer Science+Business Media New York

About this chapter

Cite this chapter

Barbasch, D., Ciubotaru, D. (2014). Unitary Hecke algebra modules with nonzero Dirac cohomology. In: Howe, R., Hunziker, M., Willenbring, J. (eds) Symmetry: Representation Theory and Its Applications. Progress in Mathematics, vol 257. Birkhäuser, New York, NY. https://doi.org/10.1007/978-1-4939-1590-3_1

Download citation

Publish with us

Policies and ethics