Abstract
The objects under study, in this article, are Riemannian manifoldsfoliated by hypersurfaces. Looking at the transverse direction as time,we construct the generalised heat operator and, in the spirit of atime-space extension of harmonic morphisms, we introduce the conformal heat morphisms. Concrete examples of these concepts arepresented, as well as, a characterisation of conformal heat morphisms.Lastly, we calculate the heat Lie algebra of the generalised heatoperator.
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Kolsrud, T., Loubeau, E. Foliated Manifolds and Conformal Heat Morphisms. Annals of Global Analysis and Geometry 21, 241–267 (2002). https://doi.org/10.1023/A:1014929718946
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DOI: https://doi.org/10.1023/A:1014929718946