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 SIGMA 8 (2012), 072, 11 pages       arXiv:1201.3990      
https://doi.org/10.3842/SIGMA.2012.072 
KZ Characteristic Variety as the Zero Set of Classical Calogero-Moser Hamiltonians
Evgeny Mukhin a,  Vitaly Tarasov a, b and Alexander Varchenko c
 a) Department of Mathematical Sciences, Indiana University - Purdue University Indianapolis, 402 North Blackford St, Indianapolis, IN 46202-3216, USA
 b) St. Petersburg Branch of Steklov Mathematical Institute, Fontanka 27, St. Petersburg, 191023, Russia
 c) Department of Mathematics, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3250, USA
 
 
Received June 09, 2012, in final form October 04, 2012; Published online October 16, 2012 
Abstract
 
We discuss a relation between the characteristic variety of the KZ equations
and the zero set of the classical Calogero-Moser Hamiltonians.
  
 Key words:
Gaudin Hamiltonians; Calogero-Moser system; Wronski map. 
pdf (393 kb)  
tex (19 kb)
 
 
References
 
- Babujian H.M., Off-shell Bethe ansatz equations and N-point correlators
  in the SU(2) WZNW theory, J. Phys. A: Math. Gen.
  26 (1993), 6981-6990.
 
- Cherednik I., Integration of quantum many-body problems by affine
  Knizhnik-Zamolodchikov equations, Adv. Math. 106
  (1994), 65-95.
 
- Cherednik I., Lectures on Knizhnik-Zamolodchikov equations and Hecke
  algebras, in Quantum Many-Body Problems and Representation Theory,
  MSJ Mem., Vol. 1, Math. Soc. Japan, Tokyo, 1998, 1-96.
 
- Etingof P., Ginzburg V., Symplectic reflection algebras, Calogero-Moser
  space, and deformed Harish-Chandra homomorphism, Invent. Math.
  147 (2002), 243-348, math.AG/0011114.
 
- Felder G., Markov Y., Tarasov V., Varchenko A., Differential equations
  compatible with KZ equations, Math. Phys. Anal. Geom. 3
  (2000), 139-177, math.QA/0001184.
 
- Felder G., Veselov A.P., Polynomial solutions of the Knizhnik-Zamolodchikov
  equations and Schur-Weyl duality, Int. Math. Res. Not.
  2007 (2007), no. 15, 21 pages, math.RT/0610383.
 
- Felder G., Veselov A.P., Shift operators for the quantum
  Calogero-Sutherland problems via Knizhnik-Zamolodchikov equation,
  Comm. Math. Phys. 160 (1994), 259-273.
 
- Finkelberg M., Ginzburg V., Calogero-Moser space and Kostka polynomials,
  Adv. Math. 172 (2002), 137-150, math.RT/0110190.
 
- Gaudin M., La fonction d'onde de Bethe, Collection du Commissariat à
  l'Énergie Atomique: Série Scientifique, Masson, Paris, 1983.
 
- Givental A., Kim B., Quantum cohomology of flag manifolds and Toda lattices,
  Comm. Math. Phys. 168 (1995), 609-641,
  hep-th/9312096.
 
- Gordon I., Baby Verma modules for rational Cherednik algebras,
  Bull. London Math. Soc. 35 (2003), 321-336,
  math.RT/0202301.
 
- Jurco B., Classical Yang-Baxter equations and quantum integrable
  systems, J. Math. Phys. 30 (1989), 1289-1293.
 
- Kazhdan D., Kostant B., Sternberg S., Hamiltonian group actions and dynamical
  systems of Calogero type, Comm. Pure Appl. Math. 31
  (1978), 481-507.
 
- Matsuo A., Integrable connections related to zonal spherical functions,
  Invent. Math. 110 (1992), 95-121.
 
- Mukhin E., Tarasov V., Varchenko A., Bethe algebra, Calogero-Moser space and
  Cherednik algebra, arXiv:0906.5185.
 
- Mukhin E., Tarasov V., Varchenko A., Gaudin Hamiltonians generate the Bethe
  algebra of a tensor power of the vector representation of
glN, St. Petersburg Math. J. 22 (2011),
  463-472, arXiv:0904.2131.
 
- Mukhin E., Tarasov V., Varchenko A., Generating operator of XXX or Gaudin
  transfer matrices has quasi-exponential kernel, SIGMA 3
  (2007), 060, 31 pages, math.QA/0703893.
 
- Mukhin E., Tarasov V., Varchenko A., Schubert calculus and representations of
  the general linear group, J. Amer. Math. Soc. 22 (2009),
  909-940, arXiv:0711.4079.
 
- Mukhin E., Varchenko A., Norm of a Bethe vector and the Hessian of the
  master function, Compos. Math. 141 (2005), 1012-1028,
  math.QA/0402349.
 
- Reshetikhin N., Varchenko A., Quasiclassical asymptotics of solutions to the
  KZ equations, in Geometry, Topology, & Physics, Conf. Proc.
  Lecture Notes Geom. Topology, Vol. IV, Int. Press, Cambridge, MA, 1995,
  293-322, hep-th/9402126.
 
- Schechtman V.V., Varchenko A.N., Arrangements of hyperplanes and Lie algebra
  homology, Invent. Math. 106 (1991), 139-194.
 
- Schechtman V.V., Varchenko A.N., Hypergeometric solutions of
  Knizhnik-Zamolodchikov equations, Lett. Math. Phys. 20
  (1990), 279-283.
 
- Wilson G., Collisions of Calogero-Moser particles and an adelic
  Grassmannian, Invent. Math. 133 (1998), 1-41.
 
 
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