Adhemar François Bultheel (born 1948) is a Belgian mathematician and computer scientist, the former president of the Belgian Mathematical Society. He is a prolific book reviewer for the Bulletin of the Belgian Mathematical Society and for the

European Mathematical Society The European Mathematical Society (EMS) is a European organization dedicated to the development of mathematics in Europe. Its members are different mathematical societies in Europe, academic institutions and individual mathematicians. The current ...

. His research concerns

approximation theory In mathematics, approximation theory is concerned with how function (mathematics), functions can best be approximation, approximated with simpler functions, and with quantitative property, quantitatively characterization (mathematics), characteri ...

Education and career

Bultheel was born in

Zwijndrecht, Belgium Zwijndrecht () is both a village and a municipality located in the Flemish province of Antwerp, in Belgium. As well as Zwijndrecht proper, the municipality includes the village of Burcht. In 2021, Zwijndrecht had a total population of 19,263. H ...

on December 14, 1948. He earned a

licenciate A licentiate (abbreviated Lic.) is an academic degree present in many countries, representing different educational levels. It may be similar to a master's degree when issued by pontifical universities and other universities in Europe, Latin A ...

in mathematics in 1970 and another in industrial mathematics in 1971, both from

KU Leuven KU Leuven (or Katholieke Universiteit Leuven) is a Catholic research university in the city of Leuven, Belgium. It conducts teaching, research, and services in computer science, engineering, natural sciences, theology, humanities, medicine, l ...

. He remained at KU Leuven for a bachelor's degree in 1975 and a PhD in mathematics in 1979. His dissertation, ''Recursive Rational Approximation'', was jointly supervised by Patrick M. Dewilde and Hugo Van de Vel. Except for a year of military service, he was employed at KU Leuven for his entire career, retiring as a professor emeritus of computer science in 2009. He was president of the Belgian Mathematical Society for 2002–2005.

Books

Bultheel is the author of: *''Laurent Series and their Padé Approximations'' (Operator Theory: Advances and Applications 27, Birkhäuser, 1987) *''Linear Algebra, Rational Approximation and Orthogonal Polynomials'' (with Marc van Barel, Studies in Computational Mathematics 6, North-Holland, 1997) *''Orthogonal Rational Functions'' (with Pablo González-Vera, Erik Hendriksen, and Olav Njåstad, Cambridge Monographs on Applied and Computational Mathematics 5, Cambridge University Press, 1999) *''Inleiding tot de numerieke wiskunde (Acco, 2006)

References

External links

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* {{DEFAULTSORT:Bultheel, Adhemar 1948 births Living people Belgian computer scientists Belgian mathematicians KU Leuven alumni Academic staff of KU Leuven