Abstract
This paper discusses the topological setting of the preceding paper by Callias. In particular, an alternate way of deriving his results is outlined.
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References
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Communicated by A. Jaffe
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Bott, R., Seeley, R. Some remarks on the paper of Callias. Commun.Math. Phys. 62, 235–245 (1978). https://doi.org/10.1007/BF01202526
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DOI: https://doi.org/10.1007/BF01202526