DOI QR코드

DOI QR Code

A FAMILY RESOLVENT COCYCLE AND HIGHER SPECTRAL FLOW

  • Sun, Aihui (School of Mathematics and Statistics Northeast Normal University) ;
  • Wang, Jian (School of Science Tianjin University of Technology and Education) ;
  • Wang, Yong (School of Mathematics and Statistics Northeast Normal University)
  • Received : 2016.07.17
  • Accepted : 2016.12.26
  • Published : 2017.07.31

Abstract

In this paper, we introduce a family resolvent cocycle and express the Chern Character of Dai-Zhang higher spectral flow as a pairing of a family resolvent cocycle and the odd Chern character of a unitary matrix, which generalize the odd index formula of Carey et al. to the family case.

Keywords

References

  1. N. Berline, E. Getzler, and M. Vergne, Heat kernels and Dirac operators, Springer- Verlag, Berlin, 1992.
  2. A. L. Carey and J. Phillips, Unbounded Fredholm modules and spectral flow, Canad. J. Math. 50 (1998), no. 4, 673-718. https://doi.org/10.4153/CJM-1998-038-x
  3. A. L. Carey, J. Phillipsb, A. Renniec, and F. Sukochevd, The local index formula in semifinite Von Neumann algebras. I. Spectral flow, Adv. Math. 202 (2006), no. 2, 451-516. https://doi.org/10.1016/j.aim.2005.03.011
  4. A. L. Carey, J. Phillipsb, A. Renniec, and F. Sukochevd, The local index formula in semifinite von Neumann algebras. II. The even case, Adv. Math. 202 (2006), no. 2, 517-554. https://doi.org/10.1016/j.aim.2005.03.010
  5. A. L. Carey, J. Phillipsb, A. Renniec, and F. Sukochevd, The Chern character of semifinite spectral triples, J. Noncommut. Geom. 2 (2008), no. 2, 141-193.
  6. L. A. Coburn, R. G. Douglas, D. G. Schaeffer, and I. M. Singer, C*-algebras of operators on a half space. II. Index theory, IHES Publ. Math. 40 (1971), 69-79. https://doi.org/10.1007/BF02684694
  7. A. Connes, Non-Commutative Geometry, Academic Press, San Diego, 1994.
  8. A. Connes and H. Moscovici, The Local Index Formula in Noncommutative Geometry, Geom, Funct. Anal. 5 (1995), no. 2, 174-243. https://doi.org/10.1007/BF01895667
  9. X. Dai and W. Zhang, Higher spectral flow, J. Funct. Anal. 157 (1998), no. 2, 432-469. https://doi.org/10.1006/jfan.1998.3273
  10. N. Higson, The Local Index Formula in Noncommutative Geometry, Contemporary Developments in Algebraic K-Theory, 443-536, ICTP Lect. Notes, XV, Abdus Salam Int. Cent. Theoret. Phys., Trieste, 2004.
  11. B. Moulay-Tahar and A. L. Carey, Higher spectral flow and an entire bivariant JLO cocycle, J. K-Theory 11 (2013), no. 1, 183-232. https://doi.org/10.1017/is012008031jkt193
  12. S. Paycha and S. Scott, Chern-Weil forms associated with superconnections, Analysis Geometry and Topology of Elliptic Operators, pp. 79-104, World Sci. Publ., Hackensack, NJ, 2006.
  13. D. Perrot, Quasihomomorphisms and the residue Chern character, J. Geom. Phys. 60 (2010), no. 10, 1441-1473. https://doi.org/10.1016/j.geomphys.2010.05.005