Brian D. Sleeman (b. 1939 in London, U.K.) is Professor Emeritus in the School of Mathematics at the University of Leeds, U.K. He is also Honorary Professor, having formerly held the Ivory Chair of Mathematics, at the University of Dundee.
Sleeman has published numerous papers in applied analysis, multiparameter spectral theory, direct and inverse scattering theory, and mathematical medicine. He is author of the book Multiparameter Spectral Theory in Hilbert Space, published by Pitman in 1978, and coauthor (with D. S. Jones and M. J. Plank) of Differential Equations and Mathematical Biology, published by CRC Press in 2003, with a second edition in 2010.
Sleeman was elected a Fellow of the Royal Society of Edinburgh in 1976 and is founding editor of the journal Computational and Mathematical Methods in Medicine.
Sleeman is coauthor of the following DLMF chapter