Inhoudsopgave 1 Algemeen/missie 1

Solution to problem # 6.

Orthogonal Polynomials and Special Functions-Newsletter 4 (3), 1994, p.12.
Boersma, J.; Doelder, P.J. de:

Two integrals arising from a reaction-diffusion problem. Solution to problem 93-15.

SIAM Review 36, 1994, pp. 498-499.
Bouwkamp, C.J.; Duijvestijn, A.J.W.:

Album of simple perfect squared squares of order 26.

EUT report 94-WSK-02, Eindhoven, 1994, pp. xxiii+441.
Doelder, P.J. de:

Solution to problem # 6.

Orthogonal Polynomials and Special Functions-Newsletter 4 (3), 1994, pp. 10-11..

Wetenschappelijke publicaties (niet gerefereerd)
Vakpublicaties
Boersma, J.:

Boekbespreking van Blok, H.; Ferwerda, H.R.; Kuiken, H.K. (eds.) Huygens' Principle 1690-1990: Theory and Applications.

Med.Wisk. Gen. 37, oktober 1994, pp. 297-298.
Doelder, P.J. de:

Boekbespreking van Brychkov, Yu.A.; Glaeske, H.J.: Multidimensional integral transformati­ons.

Med. Wisk. Gen. 37, januari 1994, pp. 24-25.
Graaf, J. de:

Boekbespreking van Gilbert, J.E.; Murray, M.A.M.: Clifford algebras and Dirac Operators in harmonic Analysis.

Med. Wisk. Gen. 37, maart 1994, pp. 127-128.
Graaf, J. de:

Boekbespreking van Ladyzhenskaya, O: Attractors for semigroups and evolution equations.

Med. Wisk. Gen. 37, maart 1994, p. 132.
Hassel, R.R. van:

Boekbespreking van Hinch, E.J.: Perturbation methods.

Med. Wiskl. Gen. 37, april 1994, pp. 172-173.
Kaasschieter, E.F.:

Boekbespreking van Brezzi, F.; Fortin, M.: Mixed and Hybrid Finite Element Methods.

Med. Wisk. Gen. 37, februari 1994, pp. 92-93.
Meer, J.C. van der:

Boekbespreking van Meyer, K.R.; Hall, G.R.: Introduction to Hamiltonian Dynamical Sys­tems and the N-body Problem.

Med. Wisk. Gen. 37, oktober 1994, pp. 298-299.
Meiden, W. van der:

Boekbespreking van Gewina, tijdschrift voor de geschiedenis der geneeskunde, natuurweten­schappen, wiskunde en techniek.

Med. Wisk. Gen. 37, januari 1994, pp. 15-16.
Meiden, W. van der:

Boekbespreking van Pipkin, A.C.: A course on integral equations.

Med. Wisk. Gen. 37, januari 1994, p. 25.
Meiden, W. van der:

Boekbespreking van Lang, S.: Real and functional analysis.

Med. Wisk. Gen. 37, februari 1994, pp. 74-75.
Meiden, W. van der:

Boekbespreking van Jacobs, K.: Discrete stochastics.

Med. Wisk. Gen. 37, maart 1994, pp. 133-134.
Meiden, W. van der:

Boekbespreking van Pastur, L.A.; Figotin, A.: Spectra of random and almost periodic opera­tors.

Med. Wisk. Gen. 37, maart 1994, pp. 134-135.
Meiden, W. van der:

Boekbespreking van Gindikin, G; Volevich, L.R.: The methods of Newton's polyhedron in the theory of partial differential equations.

Med. Wisk. Gen. 37, april 1994, p. 173.
Meiden, W. van der:

Boekbespreking van Petkov, V.M.; Stoyanov, L.N.: Geometry of reflecting rays and inverse spectral problems.

Med. Wisk. Gen. 37, april 1994, p. 177.
Meiden, W. van der:

Boekbespreking van Mikhailov, G.A.: Optimization of weighted Monte Carlo methods.

Med. Wisk. Gen. 37, mei 1994, pp. 216-217.
Meiden, W. van der:

Boekbespreking van Dale, A.I.: A history of inverse propability from Thomas Bayes to Karl Pearson.

Med. Wisk. Gen. 37, september 1994, pp. 240-241.
Meiden, W. van der:

Boekbespreking van _erný, I.: Foundations of analysis in the complex domain.

Med. Wisk. Gen. 37, oktober 1994, p. 286.
Meiden, W. van der:

Boekbespreking van Hida, T; Kuo, H.H.; Potthoff, J.; Streit, L.: White noise.

Med. Wisk. Gen. 37, november 1994, p. 337.
Morsche, H.G. ter:

Boekbespreking van Hubbard, J.H.; West, B.H.:

MacMath: a dynamical systems software package for the Macintosh.

Med. Wisk. Gen. 37, november 1994, pp. 331-333.

Boekbespreking van Wesseling, P.: An introduction to multigrid methods.

Med. Wisk. Gen. 37, september 1994, pp. 260-262.
Schurer, F.:

Boekbespreking van Singh, S.P.: Approximation theory, spline functions and applications.

Med. Wisk. Gen. 37 , september 1994, pp. 251-252.

Schurer, F.:

Boekbespreking van Korneichuk, N.: Exact constants in approximation theory.

Med. Wisk. Gen. 37, januari 1994, pp. 21-23.

Boekbespreking van Jones, A; Morris, S.A.; Pearson, K.R.: Abstract algebra and famous impossibilities.

Med. Wisk. Gen. 37, april 1994, pp. 163-164.
Overige producten van wetenschappelijke activiteit
Boersma, J.:

Note on an integral of E. Heyman.

Interne notitie, EUT, Eindhoven, 1994, pp. 8.
Boersma, J.; Molenaar, J.:

Geometry of the shoulder of a packaging machine.

Preprint, 1994, pp. 22.
Huijberts, H.J.C.; Colpier, L.; Moreau, P,:

Nonlinear input-output decoupling by static output feedback.

Intern rapport, EUT, Eindhoven, 1994, pp. 8 (BS)
Huijberts, H.J.C.; Schuppen, J.H. van:

Routing control of a motorway network.

Intern rapport CWI, Amsterdam, 1994, pp. 39. (BS)
Visser, H.; Molenaar, J.:

Trend estimation and regression analysis in climatological time series: on application of structural time series models and the Kakman filter.

Accepted for publication in Journal of Climate.
Withagen, C.:

Pollution and exhaustibility of fossil fuels.

To appear in Environmental and Resource Economics, 1994, pp. 1-8. (BS)
Withagen, C.; Vellinga, N.:

Some notes on the concept of green national income.

Submitted, 1994, pp. 1-16. (BS)
Withagen, C.; Tahvonen, O.:

Optimality of irreversible pollution accumulation.

Submitted, 1994, pp. 1-16. (BS)
Withagen, C.; Toman, M:

Cumulative pollution with a backstop.

Submitted, 1994, pp. 1-16. (BS)

Voordrachten
Aarts, A.C.T.:

- Instabilities in the extrusion of polymers due to spurt. ECMI 94 conferentie, Universiteit Kaiserslautern, Duitsland, 06 - 10 september 1994.
Aarts, A.C.T.; Ven, A.A.F. van de:

- Transient behaviour of stability points of the Poiseuille flow of a KBKZ-fluid. ECMI-94, 8th conference of the European consortium for mathematics in industry, Kaiserslautern, Duitsland, 7 september 1994.

- The numerical wave speed for scalar conservation laws. Fifth international conference on hyperbolic problems, New York, 13-17 juni 1994.

- The numerical solution of the reactive Euler equations. 40e bijeenkomst van de kontak­groep numerieke stromingsleer, ingenieursbureau SVASEK b.v., Rotterdam, 31 oktober 1994.

- The numerical solution of hyperbolic conservation laws with source terms. Symposium numeriek oplossen van beginwaardeproblemen, Rijksuniversiteit Leiden, 29 november 1994.

- The numerical solution of the reactive Euler equations. Werkseminarium Numerieke Wiskunde, Technische Universiteit Eindhoven, 21 december 1994.
Cijsouw, P.L.:

- Wiskunde B. Studiedag van de NVWL, Amsterdam, 17 februari 1994.

- Wiskunde B. Studiedag NVWL, Eindhoven, 24 februari 1994.

- Wiskunde B. Studiedag Inter-TU-basisonderwijs, Eindhoven, 10 juni 1994.

- Meten of rekenen? Lezingencyclus 'Ondernemen en technologiein het WTCE, Eindhoven, 17 november 1994.
Elst, A.F.M. ter:

- Weighted strongly elliptic operators on Lie groups. Lie-dag, Universiteit van amsterdam, 4 februari 1994.

- Elliptic operators on homogeneous Lie groups. Annual meeting of the Australian mathe­matical society, University of New England, Armidale, N.S.W., Australië, 6 juli 1994.

- Elliptic operators on Lie groups. University of Adelaide, Australië, 3 augustus 1994.

- Reduced heat kernels on nilpotent Lie groups. Representation theory of Lie groups, Lie algebras and their quantum analogues, Universiteit Twente, 19 december 1994.
Eijndhoven, S.J.L. van:

- C_o-groups on Frèchet spaces. Universiteit van Amsterdam, 16 november 1994.

- Fast adaptive composite grid methods. Werkseminarium Numerieke Wiskunde, Woud­schoten, 21 september 1994.

- Evolution equations on the unit sphere and Harmonic Functions. Mathematical Institute U.

Dini University of Florence, 23 februari 1994.

Serie voordrachten over Free boundary value problems for Stokes Flow. Mathematical Institute U. Dini University of Florence, 23 februari 1994.

- Lectures on Partial Differential Equations and Harmonic Functions. University of Coim­bra, Portugal, 23 mei - 03 juni 1994.
Kaasschieter, E.F.:

- Finite elements modelling of clay drying. Second summer conference on numerical model­ling in continuum mechanics, Praag, Tsjechië, 24 augustus 1994.

- Parallelisation of dense matrix-vector operations. Colloquium parallel rekenen, 19 oktober 1994.

- The numerical solution of the reactive Euler equations. Universiteit van Oslo, Noorwegen, 23 november 1994.

- The non-linear löwner-kufareed equation. Mathematisch congres, Leiden, 7 en 8 april 1994.

- Theorem on the extistence of solutions of quasi-stotic face boundary problems. Congres Complete analysis and free boundary problems, St. Petersburg, 14-20 augustus 1994.
Mattheij, R.M.M.:

- Modelling of glass in Eindhoven, Modelling and numerical simulation in glass industry, Eindhoven, 22 april 1994.

- Numerical simulation of viscous flow, Symposium on industrial and applied mathematics (SIMAI) , Capri, 31 mei 1994.

- Vicous sintering, Fluid dynamics meeting, Southampton, 12 juli 1994.

- Hamiltonian structure in the reversible nonsemisimple 1:1 resonance. EBTG workshop on bifurcation theory and applications, Hamburg, 19-23 april 1994.

- A FEM model to support Electrochemical Drilling. Internationaal congres ASME TURBO EXPO '94, Den Haag, 13-16 juni 1994.

- Numerical Simulation of Electrochemical Drilling. ECMI-94 conferentie, Kaiserlautern, Duitsland, 5-10 september 1994.
Prokert, G.:

- On existence of solutions in plane stokes flow driven by surface tension. Conferentie Complex Analysis and Free Boundary Problems, St. Petersburg, 14-20 augustus 1994.

- A robust multigrid method for 2Dconvection-diffusion problems. Tenth GAMM seminar, Kiel, BRD. 14 januari 1994.

- The conjugate gradient method. Colloquium iteratieve methoden, Technische Universiteit Eindhoven, 2 februari 1994.

- Bi-CG type of methods. Colloquium iteratieve methoden, Technische Universiteit Eindho­ven, 16 maart 1994.

- The hierarchical basis multigrid method. Werkseminarium Numerieke Wiskunde, Techni­sche Universiteit Eindhoven, 15 mei 1994.

- Analysis of a robust-multigrid method for convection-diffusion problems. GAMM work­shop on multilevel methods, Meisdorf, BRD, 27 september 1994.

- Parallelization of iterative methods for solving partial differential equations. Colloquium parallel rekenen, Technische Universiteit Eindhoven, 23 november 1994.

- Analysis of a robust multigrid method for convection-diffusion problems. Christian Al­brecht Universität, Kiel, BRD, 2 december 1994.

- On nonlinear multigrid methods. Symposium A non-linear symphony, CWI, 16 december 1994.
Rijcke, M.M.A. de :

- Gewone differentiaal vergelijkingen in transleerbare Fréchet ruimte. Algemeen colloqui­um, Universiteit van Amsterdam, 6 april 1994.

- Parallelization of multi-grid. Werkseminarium numerieke wiskunde, Eindhoven, 12 januari 1994.

- Indefinite systems and unsymmetric systems using the normal equations. Colloquium iteratieve methoden voor lineaire stelsels, Eindhoven, 16 februari 1994.

- Robust Multi-Grid. Christian Albrechts Universität, Kiel, Duitsland, 11 mei 1994.

- Robust Multi-Grid, new developments. Christian Albrechts Universität, Kiel, Duitsland, 18 mei 1994.

- Frequency Decomposition Multi-Grid. Werkseminarium numerieke wiskunde, Eindhoven, 07 september 1994.

- Frequency Decomposition Multi-Grid. Universiteit Utrecht, 10 oktober 1994.

- Frequency Decomposition Multi-Level Methods. Universiteit Nijmegen, 13 december 1994.

- Numerical simulation of laminar flames. ECMI-conferentie Mathematics meets Italian Industry, Milaan, Italië, 26-27 september 1994.

- Afstuderen in de mechanica. PP-colloquium, Technische Universiteit Eindhoven, 4 mei 1994.

- Wiskundige modellering van het drogen van klei. Poreuze-mediadag, Stevin Centrum, Technische Universiteit Eindhoven, 29 september 1994.
Vorst, G.A.L. van de:

- Modelling and simulation of viscous sintering. Symposium Mathematical problems in glass processing, Technische Universiteit Eindhoven, 22 april 1994.

- Simulation of viscous sintering. Computational fluid mechanics dag, Technische Universi­teit Eindhoven, 17 juni 1994.

- A BEM solution to simulate the curvature driven deformation of a profile that is pressed into a plate of hot glass. Workshop on boundary elements in fluid dynamics, Southampton, Engeland, 12 juli 1994.

- Application of the boundary element method to simulate viscous sintering. 16th Boundary

element international conference (BEM 16), Southampton, Engeland, 13-15 juli 1994.

- Mathematical modelling and numerical simulation of viscous sintering. Physikalisches Institut der Universität Würzburg, Duitsland, december 1994.
Wijckmans, P.:

- Het numeriek oplossen van differentiaal-algebraische vergelijkingen uit de multibody dynamica. Stevin symposium, Rolden, 27-28 november 1994.

Solution of problem 10246.

American Math. Montly 101 (4), 1994, pp. 367-368.
Wetenschappelijke publicaties (niet gerefereerd)
Overdijk, D.A.:

Boundary element algorithms for Somigliana's indentity.

Memorandum COSOR 94-25, EUT, Eindhoven, 1994, pp. 7.
Vakpublicaties
Berkum, E.E.M. van:

Boekbespreking van Pukelsheim, F.: Optimal design of experiments.

Kwantitatieve methoden 15, nr. 46, 1994, pp. 111-112.
Coolen, F.P.A.:

Boekbespreking van Lindgren, B.W.: Statistical theory (4th ed.).

Kwantitatieve methoden 47, 1994, pp. 134-136.
Di Bucchianico, A.:

Boekbespreking van 'Wavelets and their applications; ed. by M.B. Ruskai; G. Beylkin et al:

Med. Wisk. Gen. 37, november 1994, pp. 325-326.
Doornbos R.:

In memoriam prof.dr. H.C. Hamaker 1905-1993.

Statistica Neerlandica 48, 1994, pp. 99-102.
Geldrop, J. van:

Boekbespreking van Berck, P.; Sydsaeter, K.: Economist's mathematical manual.

Med. Wisk. Gen. 37, januari 1994, pp. 46.
Laan, P. van der:

Boekbespreking van Braun, H.I.: The collected works of John Tukey, Vol. VIII, Multiple

Comparisons.

Kwantitatieve methoden 47, 1994, pp. 137-138.

Boekbespreking van Barbour, A.D.; Holst, L.; Janson, S.: Poisson approximation.

Med. Wisk. Gen. 37, april 1994, pp. 177-178.
Stoorvogel, A.A.:

Boekbespreking van Ba_ar, T.; Bernhard, P.P.: H_ optimal control and related minimax design problems: a dynamic game approach.

Med. Wisk. Gen. 37, januari 1994, pp. 43-44.
Stoorvogel, A.A.:

Boekbespreking van Aubin, J.P.: Viability theory.

Med. Wisk. Gen. 37, oktober 1994, pp. 300-301.
Wessels, J.:

Boekbespreking van Knight, F.B.: Foundations of the prediction process.

Med. Wisk. Gen. 37, oktober 1994, pp. 295-296.
Overige producten van wetenschappelijke activiteit
Voordrachten
Adan, I.J.B.F.:

- Analyzing GIE_r 1 queues. International Conference on Operations Research, Berlijn,

30 augustus- 2 september 1994.

- Sums of product forms as solution for queueing problems. Workshop on Stochastic Models, Leiden, 12-16 december 1994.

- Column generation for single-machine scheduling problems. Conferentie Combinatorial Optimization 94, Amsterdam, 5-8 april 1994.

- Column generation for single-machine scheduling problems. Workshop Algorithmic

approaches to large and complex combinatorial optimization problems, Giens, Frankrijk, 23-27 mei 1994.

- Column generation for single-machine scheduling problems. 15th International Symposi­um on Mathematical Programming, Ann Arbor, Michigan, USA, 15-19 augustus 1994.

- Column generation for single-machine scheduling problems. FNRS Mathematical Pro­gramming Seminar, Han-sur-Lesse, België, 09-10 december 1994.

- Een interactief computerprogramma voor het ontwerpen van experimenten. Symposium Statistiek in de Industrie: Kwaliteits- en kostenbeheersing, EUT, Eindhoven, 3 juni 1994.

- Controlled updating of imprecise probabilities. Statistics seminar, ETH, Zurich, april 1994.

Di Bucchianico, A.:

- Applications de l'ènumeration de chemins á la statistique non-paramètrique, Séminaire de Combinatoire, LaBRI, Univ. de Bordeaux I, 11 maart 1994.

- Exponentiële families met kwadratische variantiefunctie, Nederlands Mathematisch Con-gres, Leiden, 08 april 1994.
Diks, E.B.:

- Controlling a divergent two-echelon network with transshipments using the consistent appropriate share rationing policy. Eight International Symposium on Inventories, Buda­pest, Hongarije, 22-26 augustus 1994.

- A non-homogeneous MPh1 queueing system subject to breakdowns.

D­GOR/GMÖOR/ÖGOR/SVOR Tagung, Berlijn, 30 augustus 1994.
Eijl, C. van:

- Valid inequalities for the single machine scheduling problem with sequence-dependent processing times. Conference/workshop on Combinatorial Optimization Problems, Giens, Frankrijk, 23-28 mei 1994.

- Valid inequalities for the discrete lotsizing problem. 15th International Symposium on Mathematical Programming, Ann Arbor, USA, 15-19 augustus 1994.
Einmahl, J.H.J.:

- The weak limiting behaviour of heavily multivariate empirical processes. International conference on multivariate extreme value theory with applications to economics and finance, Rotterdam, mei 1994.

- Bahadur-Kiefer theorems. Stochastiek seminar, TUD, Delft, september 1994.
Habets, L.C.G.J.M.:

- On the genericity of stabilizability for time-delay systems. Benelux meeting on Systems and Control, Veldhoven, 02-04 maart, 1994.

- Observability for output satured systems.Tagung Regelungstheorie, Oberwolfach, Duits­land, 22 maart 1994.

- Observability with generalized Saturation. IEEE Mediterranean symposium on New directions in Control Theory and Applications, Maleme, Griekenland, 21 juni 1994.
Hoogeveen, J.A.:

- Using positional completion times to solve a two machine flow shop problem involving batching and scheduling. Conferentie Combinatorial Optimization 94, Amsterdam, 06 april 1994.

- Stronger Lagrangian bounds by use of slack variables: applications to machine scheduling problems. Workshop Algorithmic approaches to large and complex combinatorial optimi­zation problems, Giens, Frankrijk, 24 mei 1994.

- Using positional completion times to solve a two machine flow shop problem involving batching and scheduling. INTAS workshop on constraint scheduling: mathematical mo­dels, algorithms, and applications, Osnabrueck, Duitsland, 08 juli 1994.

- Using positional completion times to solve a two machine flow shop problem involving batching and scheduling. Fourth international workshop on Project Management and Scheduling, Leuven, België, 15 juli 1994.

- Using positional completion times to solve a two machine flow shop problem involving batching and scheduling. 15th International Symposium on Mathematical Programming, Ann Arbor, Michigan, USA, 18 augustus 1994.

- A method for deriving bounds models for queueing systems. Colloquium Wachtrijtheorie, CWI, Amsterdam, 21 juni 1994.

- Flexible bound models for queueing systems. Jahrestagung DGOR/GMÖOR/ÖGOR/SVOR, Berlijn, Duitsland, 31 augustus 1994.
Huijberts, H.J.C.:

- Speciale relativiteitstheorie. Modelleringscolloquium Wiskunde voor de Industrie, 29 april 1994.

- Controlled invariance of nonlinear systems: generalized concepts. American Control Conference 1995, Baltimore, USA, 01 juli 1994.

- Factorization, noninteracting control, and output feedback for nonlinear systems. Work­shop on structural methods in nonlinear control theory, Lyon, Frankrijk, 08 juli 1994.

- Controlled invariance of nonlinear systems: an overview and generalized concepts. Work­shop on Stabilization and Control of Nonlinear Systems, Universität Bremen, Duitsland, 26 juli 1994.
Hurkens, C.A.J.:

- Local search heuristics for the RLFAP of minimizing the number of used frequencies. Meeting of the Consortium on Combanitorial Algorithms for Military Applications, Toulouse, Frankrijk, 20 mei 1994.

- Lower bounds for multiprocessor flowshops. Workshop on algorithmic approaches to large and complex combinatorial optimization problems, Giens, Frankrijk, 24 mei 1994.

- The radio link frequency assigmnment problem - upper and lower bounds. Meeting of the Consortium on Combinatorial Algorithms for Military Applications, Maastricht, 30 sep­tember 1994.

- Nonlinear optimization in soaring. XV International symposium on Mathematical pro­gramming, Ann Arbor, Michigan, USA, 15-19 augustus 1994.

- Multi-echelon order-up-to-policy systems with service level constraints; performance and optimization. 8th International Symposium on Inventories, Budapest, 22-26 augustus 1994.

- Stock allocation in a two-echelon distribution system. 8th International Working Seminar on Production Economics, Igls, Frankrijk, 21-26 februari 1994.

- Wiskunde en in het bijzonder de Statistiek. Ouderdag GEWIS, EUT, Eindhoven, 12 januari

1994.

- Selectie gebruikmakend van verliesfunkties. Contactdag UT, EUT, Eindhoven, 03 februari 1994.

- Selction of the best population: Some subset selection goals. University of Alabama, USA, 11 maart 1994.

- The frequency assignment problem. Meeting of the Consortium on Combinatorial Algo­rithms for Military Applications, Parijs, Frankrijk, 21 januari 1994.

- Approximation algorithms for job shop scheduling. Datalogisk Institut, Universiteit van Kopenhagen, Denemarken, 25 maart 1994.

- Recent developments in combinatorial optimization. Annual Meeting of the Israel Operati­on Research Society, Mitzpe Ramon, Israel, 02 juni 1994.

- Recent development in combinatorial optimization. Hebrew University, Jerusalem, Israel, 06 juni 1994.

- Approximation algorithms for scheduling unrelated parallel machines. Technion -- Israel Institute of Technology, Haifa, Israel, 08 juni 1994.

- Inaugural Address. Fifteenth International Symposium on Mathematical Programming, Ann Arbor, Michigan, USA, 14 augustus 1994.

- Lower bounds for the multiprocessor flow shop. Fifteenth International Symposium on Mathematical Programming, Ann Arbor, Mitchigan, USA, 18 augustus 1994.

- Approximation algorithms for job shop scheduling. Conferentie van de Chinese Society for Industrial and Applied Mathematics, Xi'an Jiaotong university, Xi'an, China, 14 oktober 1994.

- Approximation algorithms for scheduling parallel machines. East China University of Science and Technology, Shanghai, China, 18 oktober 1994.

- Recent developments in combinatorial optimization. East China University of Science and Technology, Shanghai, China, 18 oktober 1994.

- Local search in combinatorial optimization. East China University of Science and Techno­logy, Shanghai, China, 20 oktober 1994.

- Approximation algorithms for job shop scheduling. Shanghai University, Jiading Campus, Shanhai, China, 19 oktober 1994.

- The complexity of approximation. Fudan Universiteit, Shanghai, China, 21 oktober 1994.

- Tandem queues with deterministic service times. Kansrekening Colloquium, TU Delft, 23 maart 1994.

- Cell delay variaton in ATM networks. COST 242 MID-TERM seminar, L'Aquilla, Italië, 27 september 1994.

- Recent research subjects. Statistical Laboratory, Cambridge, Engeland, 17 november 1994.

- A double-annealing algorithm for discrete location/allocation problems. ECCO 1994, Milaan, Italië, februari 1994.

- Approximation algorithms for the Stacker-Crane problem. CO 94, Amsterdam, april 1994.

- Approximation algorithms for the ATSP. OR 94, Berlijn, Duitsland, augustus-september

1994,
Rijpkema, J.J.M.:

- Technology in Statistics Education, experiences with Statgraphics. ICTCM-7 Conference, Orlando, 17-20 november 1994.

- Mathematics Courses for Industry: some experience. ECMI meeting on continuing educati­on in mathematics, Kaiserlautern, 21-23 januari 1994.

- Exploreren met Statgraphics. Jaarvergadering Sectie Statistische Programmatuur VVS, Utrecht, 09 februari 1994.

- Using neural networks in production planning. Symposium Rijks Instituut Kennis Syste­men (RIKS), Maastricht, 06 december 1994.

- Infinite divisibility and the waiting-time paradox. Swedish Natural Science Foundation, Universiteit van Uppsala, Zweden, 20-27 augustus 1994.

- Output regulation for linear systems subject to input saturation. 13th Benelux meeting on systems and control, Veldhoven, 02-04 maart 1994.

- The discrete algebraic Riccati equation and the linear matrix inequality. Faculteit Toege­paste Wiskunde, Universiteit Twente, 30 mei 1994.

- Output regulation of linear systems subject to input saturation. Workshop on uncertain systems, Lochem, 17 juni 1994.

- The discrete time H_ control problem with strictly proper measurement feedback.Ameri­can Control Conference, Baltimore, MD, 29 juni - 01 juli 1994.

- Stabilizing solutions of the H_ algebraic Riccati equation. American Control Conference, Baltimore, MD, 29 juni - 01 juli 1994.

- Relationship between H_ and Kalman filltering with application to identification. 3rd ERNSI workshop on system identification, Noordwijkerhout, 21-23 september 1994.

- Dynamic pole placement and compensator design using an algebra-geometric approach. Werkgroep Systeemtheory, CWI, 09 november 1994.

- The discrete algebraic Riccati equation and linear matrix inequality. CDC conference, Orlando, FL, 14-16 december 1994.

- Nonlinear L₁ optimal compensators for linear systems. CDC conference, Orlando, FL, 14-16 december 1994.

- Generalized job shop scheduling by local search. CO94 conference, Amsterdam, 05-08 april 1994.

- Security Tools. DFN-CERT Workshop Sicherheit in vernetzten systemen, Hamburg, Duitsland, 03 maart 1994.

- Netwerk beveiliging. Bijeenkomst van Silicon Graphics gebruikersgroep, Delft, 15 maart 1994.

- Killer applications on the Internet. Bijeenkomst van het Forum of incidents response teams

(FIRST), Boston, 28 juli 1994.

- Risicos van Internetwerken. Congres "Wij geven kennis", Amsterdam, 23 november 1994.

- Assigning traffic in multi-machine systems. DGOR Tagung, Berlijn, Duitsland, 31 augus­tus 1994.

- Assigning traffic in multi-machine systems. University of Adelaide, Adelaide, 21 septem­ber 1994.

- Assigning traffic in multi-machine systems.University of South Australia, Adelaide, 23 september 1994.

- Practice and Mathematics. University of Sydney, 14 oktober 1994.

- Queues, flexibility and work in advance. Workshop Stochastic models, Leiden, 16 decem­ber 1994.

- Local search for a generalization of the job shop problem. Fourth International Workshop on Project Management and Scheduling, Leuven, België, 12-15 juli 1994.

- Insertion for scheduling on processor sets. 15th International Symposium on Mathematical Programming, Ann Arbor, USA, 15-19 augustus.
Wessels, J.:

- An efficient and exact neuro-solution for sorting. JISR-Symposium on New developments of neuro-fuzzy and genetic algorithms and their applications, Tokyo, Japan, 21-31 januari 1994.

- Methodology of decision analysis. NIES-Workshop on Environmental Problems, Tsukuba, Japan, 21-31 januari 1994.

- Exact solution of discrete optimisation problems with neural nets. Konan University, Dept. Applied Mathematics, Kobe, Japan.

- On the construction of neural nets. Osaka University, Fac. of Engineering Science, Osaka, Japan, 21-31 januari 1994.

- Neural nets and optimisation. University of Automatic Control, Warschau, Polen, 17-18 maart 1994.

- Model-based decision support: tools and applications. IIASA, Laxenburg, Oostenrijk, 01-21 mei 1994.

- Neural nets and combinatorial optimisation. Institute of Automatic Control, IFIP-Confe­rence, 24-26 mei 1994.

- On constructing and learning of neural nets. IIASA-Workshop on advances in methodolo­gy and software for decision support systems, Laxenburg, Oostenrijk, 14-26 augustus 1994.

- Specification as basis for decision support. IIASA-Workshop on decision analysis for water resources management, 14-26 augustus 1994.

- Explicit solutions for queueing problems; an overview of methods and results. Conferentie Operation Research 1994, Berlijn, Duitsland, 29 augustus - 03 september 1994.

- Methods and tools for decision support. Toshiba Systems and Software Engineering Laboratory, Kawasaki, Japan, 09-22 december 1994.

- Neural nets for decision support: different aspects of constructions and learning. Symposi­um on New Development in Neural Nets and their Applications, 09-22 december 1994.

- Neural nets and their applications. Kyoto University, Aeronautical Department, Kyoto,

Japan, 09-22 december 1994.

- Model-based decision support. Chugoku Electric Power Compagny (OR-Society, Chugoku and Shikoku Branch, Hiroshima, Japan, 09-22 december 1994.

- Overleven met SAS. Bijeenkomst SAS gebruikersgroep Nederland, Eindhoven, 13 decem­ber 1994.

- Infinite divisible distributions modulo one. 3rd World Congress of the Bernoulli Society and 57th Annual Meeting of the institute of Mathematical Statistics, Chapel Hill, NC, USA, 20-25 juni 1995.

- Optimality of irreversible pollution accumulation. Network Systems Theory, Utrecht, februari 1994.

- Optimality of irreversible pollution accumulation. Congress European Association of Environmental and Resourche Economists, Dublin, juni 1994.

- Optimality of irreversible pollution accumulation. European meeting of the Econometric Society, Maastricht, augustus 1994.

- Environmental R and D, spill overs and optimal policy schemes under ologopoly, com­ments. IIPF Conference, Havard, Cambrigde, augustus 1994.