Transactions of the American Mathematical Society

Author(s): Michael Cowling; Stefano Meda; Alberto G. Setti
Journal: Trans. Amer. Math. Soc. 352 (2000), 4271-4293.
MSC (1991): Primary 43A85; Secondary 20E08, 43A90, 22E35
Posted: April 14, 2000
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In this paper, we study the heat equation on a homogeneous graph, relative to the natural (nearest-neighbour) Laplacian. We find pointwise estimates for the heat and resolvent kernels, and the $L^{p}-L^{q}$ mapping properties of the corresponding operators.

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Retrieve articles in Transactions of the American Mathematical Society with MSC (1991): 43A85, 20E08, 43A90, 22E35

Michael Cowling
Affiliation: School of Mathematics, University of New South Wales, Sydney NSW 2052, Australia
Email: m.cowling@unsw.edu.au

Stefano Meda
Affiliation: Dipartimento di Matematica, Politecnico di Milano, via Bonardi 9, 20133 Milano, Italy
Address at time of publication: Department of Statistics, University of Milan-Bicocca, Edificio U7 II piano, v. Le Sarca 202, I-20100 Milan, Italy
Email: stemed@ipmma1.mate.polimi.it

Alberto G. Setti
Affiliation: Dipartimento di Matematica, Università di Milano, via Saldini 50, 20133 Milano, Italy
Address at time of publication: Faculty of Science, Universitá dell'Insubria-1 Como via Lucini 3, I-22100 Como, Italy
Email: setti@fis.unico.it

DOI: 10.1090/S0002-9947-00-02460-0
PII: S 0002-9947(00)02460-0
Keywords: Homogeneous trees, Laplace--Beltrami operator, spherical functions, harmonic analysis
Received by editor(s): October 4, 1996
Posted: April 14, 2000
Additional Notes: Work partially supported by the Australian Research Council and the Italian M.U.R.S.T
Copyright of article: Copyright 2000, American Mathematical Society

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