Homepage of

Winfried Neun

Konrad-Zuse-Zentrum für Informationstechnik Berlin

Scientific Information Systems Department

email: neun@zib.de

Phone: +49 30 84185 196, FAX: +49 30 84185 269

until there is a better photo

Professional Interests

LISP and Symbolic Computing

Computer Algebra, especially REDUCE and Parallel CA

Parallel Computing

Processor Design

Activities (just the keywords):

Portable Standard LISP for Cray, EuLISP, OpenMath, REDUCE for various hardware platforms and open source version, MathNet


W. Neun: Implementation of Portable Standard LISP for Cray X-MP Computers Running UNICOS,
Proceedings CUG Fall Meeting 1986, Garmisch-Partenkirchen

J.W. Anderson, W.F. Galway, R.R. Kessler, H. Melenk and W. Neun: Implementing and Optimizing Lisp for the Cray , IEEE Software, July 1987

W. Neun & H. Melenk: Implementation of the LISP-Arbitrary Precision Arithmetic for a Vector Processor. ZIB-Report SC-88-01 (Appeared in: Computer Algebra and Parallelism, J. D. Dora, J. Fitch (eds.) Academic Press 1989)

H. Melenk, H.M. Möller, W. Neun: On Gröbner Bases Computations on a Supercomputer Using REDUCE, ZIB Preprint SC 88-2, 1988

H. Melenk & W. Neun: Implementation of Portable Standard LISP for the SPARC Processor, ZIB TR 89-6, 1989

W. Neun & H. Melenk: Very Large Gröbner Basis Calculations, in R. Zippel (Ed), Computer Algebra and Parallelism, Second International Workshop, LNCS 584, Springer-Verlag, 1990, 89-99

W. Neun: Using Vector Operations in a LISP system, Proceeding of the 29th Cray User Group Meeting, Berlin 1992

W. Neun: Using PVM based Software for Parallel Computation in Computer Algebra,
Proceedings Rhine Workshop Karlsruhe 1994, Jacques Calmet (ed.)

W. Neun : REDUCE on a Massively Parallel System, Proceedings IMACS-ACA 95, Albuquerque,
available at : http://www.math.unm.edu/ACA/1995/Proceedings/Authors.html

W. Neun: Some Examples for Parallel Computation in Computer Algebra using REDUCE,
Proceedings NCTCS-96, Pereslavl-Zalessky, Russland 1996

M. Gaëtano, C. Huchet & W. Neun: The Realization of an OpenMath Server for REDUCE, CASC 98,
Proceedings of the International Workshop "Computer Algebra for Scientific Computing", St. Petersburg

W. Neun: REDUCE 3.7, MathML and Open Math, Cathode2 Workshop, ICRM Marseille 2000

W. Neun: MathML - der gegenwärtige Zustand aus Nutzerperspektive,
Sitzung der IuK-Fachgruppe der DMV/ÖMG, Darmstadt 2000

W. Neun: MathML, Sitzung der IuK-Fachgruppe der DMV/ÖMG , Halle 2002

W. Neun: Math-Net - The State of the Art of a Distributed Information and Communication System in Mathematics,
in: J. Carvalho, A. Hübler, A. Baptista (eds.): Proceedings elpub 2002 Karlovy Vary,
pm, TU Chemnitz, 2002

W. Dalitz, W. Neun, W. Sperber: Semantic Annotations in Mathematics and Math-Net,
in S. Handschuh, S. Staab (eds), Annotation for the Semantic Web,
IOS Press, 2003

D. Draheim, W. Neun, D. Suliman: Finding and Analyzing Mathematical Formulae in MathML and OpenMath on the Web,
Proceedings CASC 2004 St. Petersburg, V. Ganzha, E. Mayr, E. Voronzhtsov (eds.), TU München, 2004

D. Draheim, W. Neun, D. Suliman: Classifying Differential Equations on the Web
in: Mathematical Knowledge Management, MKM 2004 Bialowieza
A. Asperti, G. Bancerek, A. Trybulec (eds.), LNCS 3119, Springer 2004

D. Draheim, W. Neun, D. Suliman: Classifying Mathematical Web Content, in: Algorithmic Algebra and Logic
(Dolzmann, Seidl, Sturm (eds.)), Passau 2005

T. Wolf, W. Neun: About a Computer Algebra based online Mathtest, ZIB-Report 08-14 (Appeared in: About a Computer Algebra based online Mathtest, in Michael J Wester, Michel Beaudin (eds), "Computer Algebra in Education", p. 1-6, ISBN-978-0-9754541-9-6, Aulonna Press 2008 (Proceedings of the session "Computer Algebra in Education" at the Int. Conf. on Applications of Computer Algebra (ACA'07)))

W. Neun, T. Sturm, S. Vigerske: Supporting Global Numerical Optimization of Rational Functions by Generic Symbolic Convexity Tests,
Computer Algebra in Scientific Computing, Vol. LNCS 6244, pp. 205-219, 2010, isbn: 978-3-642-15273-3
(preprint available as ZIB-Report 10-01)

CV (professional)

born 1953 in Berlin

1959 -1972 school education in Berlin

1972 –1977 studies of Mathematics and Economics at the Free University Berlin

1977 Diploma in Mathematics

1978 - 1979 work in computing at Computer Gesellschaft Konstanz, Constance and Robert Bosch GmbH, Gb. Elektronik, Berlin.

1979 - 1983 Scientific employee at WRB (Wissenschaftliches Rechenzentrum Berlin)

1983 - 1984 Projektgruppe Parallelrechnen

1984 - today Konrad-Zuse-Zentrum Berlin

- 1997 Dept. Symbolik

- 2000 Dept. Optimization

- today Dept. Scientific Information

Last Update: Winfried Neun, October, 2014