Publications

There are several lists describing my publications available:

To appear

2016

Articles and parts of books

2015

Articles and parts of books

2014

Articles and parts of books

Congress contribution

  • Planning the Amusing Hengelo Festival.
    Proceeding of the 10th international conference on the Practice and Theory of Automated Timetabling (PATAT 2014), pp. 521-526, by Gerhard Post and Martin Schoenmaker.

2013

Articles and parts of books

2012

Articles and parts of books

Congress contributions

2011

Articles and parts of books

Congress contributions

2010

Articles and parts of books

Congress contributions

2009

Congress contributions

  • Algorithmic Feature Generation for Microscale Topographies.
    Extended Abstract in: Proceedings of the 4th Annual Symposium of the Benelux Chapter of the IEEE Engineering in Medicine and Biology Society (EMBS), 2009, by Kamiel Cornelissen, Hemant Unadkat, Roman Truckenmueller, Clemens van Bitterswijk, Gerhard Post, Jan de Boer, and Marc Uetz.

2008

Articles and parts of books

Congress contributions

  • An XML format for Benchmarks in High School Timetabling.
    Proceeding of the 7th international conference on the Practice and Theory of Automated Timetabling (PATAT 2008), by Gerhard Post, Samad Ahmadi, Sophia Daskalaki, Jeffrey H. Kingston, Jari Kyngas, Cimmo Nurmi, David Ranson, and Henri Ruizenaar.

2007

Articles and parts of books

2006

Articles and parts of books

Congress contributions

2005

Congress contributions

2004

Congress contributions

2003

Articles and parts of books

2002

Congress contributions

  • Personnel scheduling in Laboratories using IPS.
    Proceeding of the 4th international conference on the Practice and Theory of Automated Timetabling (PATAT 2002), pp. 175-178, joint with P. Franses.

older

Articles and parts of books

  • On the structure of graded transitive Lie algebras,
    J. of Lie theory
    12 , 265-288, 2002.

  • Symmetries of the WDVV equations.  
    Acta Applicandae Mathematicae, joint with M. Geurts and R. Martini.

  • On the structure of transitive differential algebras,
    J. of Lie theory 11 , 111-128, 2001.

  • Versal deformation of the Lie algebra L 2.
    J. of Algebra 236 , No. 1, 93-109, 2001, joint with A. Fialowski.

  • Explicit bracket in an exceptional simple Lie superalgebra.
    Internat. J. of Algebra and Comput. 8, 479-495, 1998, joint with I. Shchepochkina.

  • Polynomial solutions to the WDVV equations in 4 dimensions.
    J. Phys. A: Math. Gen. 30, L229-L232, 1997, joint with R. Martini.

  • gl(lambda) and differential operators preserving polynomials.
    Acta Applicandae Mathematicae, joint with N. v.d. Hijligenberg.

  • Quantization of differential calculi on universal enveloping algebras.
    Journal of Mathematical Physics 37 (8), p. 4166-4175, 1996, joint with N. v.d. Hijligenberg and R. Martini.

  • Deformations of Quantum Hyperplanes.
    Letters in Mathematical Physics 36 , p. 106-116, 1996.

  • Computation by computer of Lie Superalgebra Homology and Cohomology.
    Acta Applicandae Mathematicae 41 , p. 123-134, 1995, joint with N. v.d. Hijligenberg.

  • Deformations of vector fields and Hamiltonian vector fields on the plane.
    Mathematics of Computation 64 , nummer 211, p. 1215-1226, 1995, joint with N. v.d. Hijligenberg and Y. Kotchetkov.

  • Classification of generalized A-graded algebras with 3 generators.
    Bulletin des Sciences mathématiques 119 , nr. 3, p. 267-287, 1995, joint with E. Korkina and M. Roelofs.

  • Classification of linear differential operators with an invariant subspace of monomials.
    Russian Journal of Mathematical Physics 3 , p. 113-122, 1995, joint with A. Turbiner.

  • The geometry of differential difference equations.
    Indag. Mathem., N.S., 5(4), p. 411-438, 1994, joint with G.F. Helminck.

  • A class of graded Lie algebras of vector fields and first order differential operators.
    Journal of Math. Phys. 35 , p. 6838-6857, 1994.

  • Representations of Algebras and the Problem of Ordering.
    Journ. Phys. A27 , L9-13, 1994, joint with A. Turbiner.

  • Deformations of S(0,n) and H(0,n).
    International Journal of Algebra and Computation, Vol. 3, p. 57-77, 1993, joint with N. v.d. Hijligenberg and Y. Kotchetkov.

  • Deformations of the nilpotent infinite-dimensional Lie algebra L2.
    Functional Analysis and its Applications 26, nr. 4, p. 90-92, 1992, joint with Y. Kotchetkov.

  • Algebre graduees de type A.
    C.R. Acad. Sci. Paris, t. 314, Serie I, p.653-655, 1992, joint with E. Korkina and M. Roelofs.

  • Defining relations for Lie algebras of vector fields.
    Indag. Mathem., N.S.,2 (2), p. 207-218, 1991, joint with N.W. van den Hijligenberg.

  • A convergent framework for the multicomponent KP-hierarchy.
    Transactions of the AMS, Vol. 324, p. 271-292, 1991, joint with G.F. Helminck.

  • On Bäcklund transformations and identities in bilinear form.
    Journal of Phys. A: Math. Gen. 23, p. 5661-5665, 1990.

  • Geometrical interpretation of the bilinear equations for the KP-hierarchy.
    Letters in Math. Phys. 13, p. 359-364, 1988, joint with G.F. Helminck.

  • Note on 'N-pseudoreductions' of the KP hierarchy.
    Journal of Phys. A: Math. Gen. 20, p. 6591-6592, 1987.

  • On the tau-functions of A2(2).
    Journal of Math. Phys. 28, p. 1691-1696, 1987.

  • Lie algebraic approach to tau-functions and its equations.
    Letters in Math. Phys. 11, p. 253-257, 1986.

  • Pure Lie algebraic approach to the modified Korteweg-de Vries equation.
    Journal of Math. Phys. 27, p. 678-681, 1986.

Congress contributions

  • Differential Calculi on Universal Enveloping Algebras.
    Proceedings of the Quantum Group Symposium at the XXI International Colloquium on Group Theoretical Methods in Physics, eds. H.-D. Doebner and V.K. Dobrev, p. 260-266, 1997, joint with R. Martini.

  • Bäcklund transformations in bilinear form for soliton hierarchies.
    Proceedings of the "XIX International Colloquium on Group Theoretical Methods in Physics", Anales de Fisica, Monografias, Vol. I, p. 274-276, 1993, eds. M.A. del Olmo a.o, joint with G.F. Helminck.

  • Cohomology to compute.
    Proceedings of the conference "Computers and Mathematics '89", Boston (1989), joint with D. Leites.

  • Realizations of representations of Kac-Moody groups and bilinear equations for tau-functions.
    Proceedings of the "16th Group Theoretical Methods in Physics" conference, Varna (1987).

PhD-thesis

KP hierarchies and reductions. Algebraic and geometric aspects (1988).

Preprints (not covered by above)

  • Clusterschemes in Dutch secondary schools.
    Memorandum 1707, January 2004, joint with H.W.A. Ruizenaar.

  • A manual for the package tools 2.1.
    Memorandum 1331, September 1996.

  • The package local solvability for REDUCE.
    Memorandum 1328, September 1996.

  • The package branch equations for REDUCE.
    Memorandum 1327, September 1996.

  • Differential calculi on universal enveloping algebras of Lie algebras, Memorandum 1261, April 1995, joint with R. Martini and P.H.M. Kersten.

  • On the structure of special vectors of the Virasoro algebra.
    Memorandum 927, January 1991, joint with I.I. Kotchetkov and M. Roelofs.

  • Calculation of Lie algebra cohomology by computer.
    Memorandum 833, December 1989, joint with N.W. van den Hijligenberg.

  • Relation between tau-functions as determinants and group orbits: Plücker relations.
    Memorandum 568, May 1986.