Abstract
The principle of general covariance is used to derive the conditions for a map to be harmonic. Modification to the harmonic map equations due to the presence of a Yang–Mills field is described.
. 1999 Aug 3;96(16):8845–8848. doi: 10.1073/pnas.96.16.8845
General covariance and harmonic maps
Shlomo Sternberg
1
Shlomo Sternberg
1Department of Mathematics, Harvard University, Cambridge, MA 02138
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1Department of Mathematics, Harvard University, Cambridge, MA 02138
Contributed by Shlomo Sternberg
Accepted 1999 May 10.
Copyright © 1999, The National Academy of Sciences
PMCID: PMC17695 PMID: 10430858