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Thomas Müller Author, Editor & Illustrator

Ian Chiswell is Emeritus Professor in the School of Mathematical Sciences at Queen Mary, University of London. His main area of research is geometric group theory, especially the theory of Λ-trees. Other interests have included cohomology of groups and ordered groups. Thomas Müller is Professor in the School of Mathematical Sciences at Queen Mary, University of London. His main research interests are in geometric, combinatorial and asymptotic group theory, in algebraic combinatorics, number theory and (mostly complex) analysis.