Communications in Mathematical Physics

, Volume 62, Issue 3, pp 235–245 | Cite as

Some remarks on the paper of Callias

  • R. Bott
  • R. Seeley


This paper discusses the topological setting of the preceding paper by Callias. In particular, an alternate way of deriving his results is outlined.


Neural Network Statistical Physic Complex System Nonlinear Dynamics Quantum Computing 
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    Taylor, M.: Gelfand theory of pseudo-differential operators and hypoelliptic operators. Trans. Am. Math. Soc.153, 495–510 (1971)Google Scholar

Copyright information

© Springer-Verlag 1978

Authors and Affiliations

  • R. Bott
    • 1
  • R. Seeley
    • 2
  1. 1.Department of MathematicsHarvard UniversityCambridgeUSA
  2. 2.Department of MathematicsUniversity of MassachusettsDorchesterUSA

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