Autorenportrait
Alf van der Poorten is Director of the Centre for Number Theory Research and Head of the School of Mathematics, Physics, Computing, and Electronics at Macquarie University in Sydney, Australia. Over the past twenty years he has held short-term visiting positions at various universities in North America and Europe, and has made important contributions in a number of areas of mathematical research. Dr. van der Poorten is well known internationally as an amusing lecturer and expositor and has published over one hundred papers, primarily on topics inspired by number theoretical problems.
