Author： Dimakis A. MÜLLER-HOISSEN F.
Publisher： Springer Publishing Company
ISSN： 0377-9017
Source： Letters in Mathematical Physics, Vol.39, Iss.1, 1997-01, pp. : 69-79
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Abstract
A construction of conservation laws for sigma-models in two dimensions is generalized in the framework of noncommutative geometry of commutative algebras. This is done by replacing the ordinary calculus of differential forms with other differential calculi and introducing an analogue of the Hodge operator on the latter. The general method is illustrated with several examples.
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