\def\sp{\vskip 3mm\par\noindent}
\def\p{\par\noindent}
\def\sit{\smallskip\item}
\hsize=155 mm
\font\secondb=cmb10 at 18 true pt
\font\big = cmr10 scaled 2074
\font\med = cmr10 scaled 1728
\font\medsl = cmsl10 scaled 1728
\font\vbig = cmr10 scaled\magstep4
\overfullrule=0pt
\p\quad
\vskip 3cm
{\big
AMS-BeNeLux Congress}
\vskip 7mm
{\big Mathematics}
\vskip 2cm
{\bf University of Antwerp UIA}
\vskip 4mm
{\bf May 22-25}
\vskip 2cm
{\bf Organized by :}
\vskip 5mm
\par{\bf The American Mathematical Society}
\par{\bf The Belgian Mathematical Society}
\par{\bf The Netherlands Mathematical Society}
\par{\bf The Luxemburg Mathematical Society}
\par\vfill\eject
\p\quad
\vskip 3cm
{\big
AMS-BeNeLux Congress}
\vskip 7mm
{\big Mathematics}
\vskip 2mm
{\bf University of Antwerp UIA}
\vskip 4mm
{\bf May 22-25}
\vskip 2cm
\par{\med Supported by :}
\vskip 4mm
\par
{\bf The National Foundation for Scientific Research (NFWO)}
\par
{\bf The National Foundation for Scientific Research (FNRS)}
\par
{\bf The University of Antwerp (UIA)}
\par
{\bf The American Mathematical Society}
\par
{\bf The Belgian Mathematical Society}
\par
{\bf The Netherlands Mathematical Society}
\par
{\bf The Luxemburg Mathematical Society}
\par
{\bf Cambridge University Press}
\par
{\bf Computing Systems Consultants BV}
\par
{\bf Elsevier Scientific Publications}
\vskip 2cm
\par
{\bf Registration : Kristel Van Rompay vrompay@uia.ua.ac.be}
\par
{\bf Hotel Information : Luc Willaert willaert@uia.ua.ac.be}
\par
{\bf Coordinator : Fred Van Oystaeyen voyst@uia.ua.ac.be}
\par\vfill\eject
\sp
{\bf WEDNESDAY MAY 22}
\vskip 1cm
\p
{\bf Morning - Aula}
\sit{1.} M. Van den Bergh (NFWO, LUC, Belgium)
{\it "Noncommutative Geometry and Regular Algebras"}
\sit{2.} F. Takens (R. U. Groningen)
{\it "Chaotic Dynamics in Variations of the Henon Attractor"}
\sit{3.} Beeger Lecture
{\it "The Symmetries of Things"} J. Conway (Princeton)
\sit{}{\it Organization Beeger Lecture :} H. Te Riele, herman.te.riele@cwi.nl
\vskip 1cm
\p
{\bf Afternoon}
\sp
Short meeting of Dutch Mathematical Society in the afternoon V1
\vskip 5mm
\p
{\bf Aula} Didactics
\p
{\bf R.0.19} Number Theory + Disc. Math.
\p
{\bf V.1.} Harmonic Analysis
\p
{\bf V.2.} History of Mathematics (I)
\p
{\bf R.1.} Mathematical Physics
\p
{\bf R.2.} Differential Geometry 1
\p
{\bf R.3.} Algebra 1
\p
{\bf R.4.} Dynamical Systems 1
\p
{\bf Promotion Room} Wavelets 1
\p
{\bf D.2.35.} Buildings
\p
{\bf R.1.09.} Special Functions
\p
{\bf B.0.36.} Reserve
\p
{\bf Acad. Club} Discussions
\vskip 5mm\p
{\bf Evening}
\p
Dinner on Campus Possible (6 p.m.)
\sp
Brouwer Medal 7h30 in UIA "Aula Major"
\sp
Brouwer Lecture by Wolfgang Hackbush : {\it "Recent Developments in Numerical
Mathematics"}, followed by a reception (9.30 p.m.-10.45 p.m.)
\par\vfill\eject
\sp
{\bf THURSDAY MAY 23}
\vskip 1cm
\p
{\bf Morning - Aula}
\sit{1.} E. Stein (Princeton University) {\it "Maximal ergodic theorems for 
groups"}
\sit{2.} C. Taubes (Harvard University) {\it "The Geometry of the 
Selberg-Witten Equations"}
\sit{3.} S. Smale (City University of Hong Kong, Mathematics Department, 
TAT CHEE Ave.   Kowloon, Hong Kong) (Logic Foundation Lecture)
{\it "Relating the Hilbert Nulstellensatz to the Problem : does P=NP ?"}
\vskip 1cm
\p
{\bf Afternoon}
\sp
{\bf Aula} Didactics
\p
{\bf R.0.19} Dynamic Systems 2 + Contributed Papers
\p
{\bf V.1.} Discrete Mathematics + Fin. Geometry
\p
{\bf V.2.} History of Mathematics (2000)
\p
{\bf R.1.} Motivic Cohomology ...
\p
{\bf R.2.} Differential Geometry 2
\p
{\bf R.3.} Algebra 2
\p
{\bf R.4.} Logic 1
\p
{\bf D.2.35.} Contributed Papers
\p
{\bf B.0.36.} nverse Problems I
\p
{\bf D.2.33.} Algebraic Geometry
\p
{\bf Acad. Club} Discussions
\par\vfill\eject
\sp
{\bf  FRIDAY MAY 24}
\vskip 1cm
\p
{\bf Morning - Aula}
\sit{1.} A. Schrijver (CWI, Amsterdam) 
{\it "Combinatorial Optimization with Cohomology over Groups"}
\sit{2.} J. McLaughlin (Rensselaer Polytechnic, US)
{\it "Two Formulas for Finding Potentials from Nodal Lines and Surfaces"}
\sit{3.} J. Bourgain (Princeton, I.A.S)
{\it "New Results and Problems in Hamiltonian PDE's"}
\vskip 1cm\p
{\bf Afternoon}
\sp
{\bf R.0.19} Numerical Mathematics
\p
{\bf V.1.} Contributed Papers
\p
{\bf V.2.} Discrete Math. + Finite Geometry 2 / Contributed Papers
\p
{\bf R.1.} Motivic Cohomology 2
\p
{\bf R.2.} Inverse problems II + Contributed Papers
\p
{\bf R.3.} Contributed Papers (Hopf Algebras)
\p
{\bf R.4.} Modular Functions
\p
{\bf Promotion Room} Logic 2
\p
{\bf D.2.35.} Wavelets 2
\p
{\bf B.0.36.} Reserve
\p
{\bf D.2.33} Reserve
\p
{\bf Acad. Club} Discussions
\par\vfill\eject
\sp
{\bf 1. Discrete Mathematics and Finite Geometry}
\sp {\it Organization :} 
R. Calderbank (AT $\&$ T Bell Labs.) rc@research.att.com,
A. Blokhuis (Eindhoven Univ. of Technology, nl)
\sp
{\bf First Session :} Thu. May 23, afternoon (Room V.1.)
\sp
{\bf Second Session :} Fri. May 24, half afternoon (Room V.2.)
\vskip 5mm\p
{\bf 2. Mathematical Physics}
\sp
{\it Organization :} 
B. Nachtergaele (Princeton University) bxn@math.princeton.edu,
J. Bricmont (FYMA, 2, Ch. du Cyclotron, UCL, B-1348
Louvain-la-Neuve, Belgium, Tel. 32-10-47.32.77)
\sp
{\bf  Session :} Wed. May 22, afternoon (Room R.1.)
\sp
{\it Speakers :}
\p
M. Aizenman (Princeton) (40 min.)
\p
R. Dijkgraaf (Amsterdam): (40 min.) {\it "String duality"}
\p
C. Maes (K. U. Leuven)	(30 min.) {\it "Relaxation to equilibrium in glassy   
dynamics"}
\p
M. Fannes (K. U. Leuven) (30 min.) {\it "Quantum dynamical entropy"}
\p
Van de Leur (Twente) (30 min.) {\it "A geometrical interpretation of the
constrained KP hierarchy"}
\vskip 5mm\p
{\bf 3. Harmonic Analysis}
\sp
{\it Organization :} 
J. Ludwig (Universite Metz, Fr.) ludwig@poncelet.univ-metz.fr
J.-P. Pier (Univ. de Luxembourg, LU) pier@crpcu.lu
\sp
{\bf Session :} Wed. May 22, afternoon (Room V.1.)
\sp
{\it Speakers :}
\p 
M. Bekka (Metz, Fr.) {\it "Some irreducible representations of G(Q) for
a simple algebraic group G."}
\p 
F. Bien (San Diego, U.S.)
\p 
G. van Dijk (Leiden, Nl.) {\it "Canonical representations related to hyperbo
lic
spaces."}
\p 
A. Van Daele (Leuven, Belgium) {\it "Multiplier Hopf Algebras and Group
Duality"}
\vskip 5mm\p
{\bf 4. History of Mathematics (XXth Century)}
\sp
{\it Organization :} 
J. Mawhin (Univ. Louvain, Belgium) mawhin@amn.ucl.ac.be
J.-P. Pier (Univ. de Luxembourg, LU) pier@crpcu.lu
\sp
{\bf Session :} Thu. May 23, afternoon (Room V.2.)
\sp
{\it Speakers :} (40' lectures)
\p
T. Apostol (Caltech, US) {\it "Centennial history of the proof of the prime 
    
number theorem"}
\p
J. Gray (Open University, Milton Keynes, UK) {\it "Curves and Ideals from
Noether to Noether, a forgotten Chapter in the History of Algebraic
Geometry."}
\p
R. Langevin (Dijon, Fr) {\it "The little music of integral geometry since 
Buffon."}
\p
M. Willem (UCL): On the history of convolution product.
\vskip 5mm\p
{\bf 5. Number Theory}
\sp
{\it Organization :} F. Beukers (Uiversity of Utrecht, Nl), beukers@math.ruu
.nl
J. Denef (K. U. Leuven, Belgium)
\par\eject
\sp
{\bf Session :} Wed. May 22, afternoon (Room R.0.19)
\sp
{\it Speakers : }
\p
G. Christol (Univ. Paris VI) {\it "On the Index Theorem for p-adic Different
ial
Equations"}
\p
R. Schoof {\it "The Support Problem and its Elliptic Analogue"}
\p
H. Te Riele (CWI, Amsterdam) {\it "On Amicable Pairs Based on Euler's Phi-Fu
nction"}
\p
R. W. van der Waall (UVA, Amsterdam) {\it "Embedding of a Group as a Frattini
subgroup"}
\vskip 5mm\p
{\bf 6. Algebraic Geometry}
\sp
{\it Organization :} J. de Jong (Harvard U.), dejong@abel.math.harvard.edu
   M. van der Put (Univ. Groningen, Nl.), m.van.der.put@math.rug.nl
\sp
{\bf Session :} Thu. May 23, afternoon (Room D.2.33)
\sp
{\it Speakers : }
\p
D. Abramovich (Boston University, US) {\it "Fibrations by Nodal Curves and
Applications"}
\p
W. van der Kallen (U. Utrecht, NL)
\p
R.I. Michler (Univ. North Texas) {\it "The Torsion Module of Differentials of
Affine Hypersurfaces with Isolated Singularities"}
\p
Takao Kato (Yamaguchi U.,Japan) {\it "Variety of special linear systems on 
triple coverings of irrational curves"}

\vskip 5mm\p
{\bf 7. Algebra}
\sp
{\it Organization :} Susan Montgomery (USC, LA, US) smontgom@math.usc.edu
S. Caenepeel (V. U. Brussels, Belgium) scaenepe@vnet3.vub.ac.be
\sp
{\bf Session 1 :} Wed. May 22, afternoon (Room R.3.)
\sp
{\it Speakers :} (45 min.)
\p
S.P. Smith (Univ. Washington, Seattle, US)
\p
L. Small (Univ. San Diego, La Jolla, US), {\it "Embeddings of Rings"}	
\p
J.-P. Tignol (U.Cath.L. Louvain, Belgium) {\it "Central Simple Algebras with
Involutions and Classical Groups"}
\sp
{\it Speakers :} (25 min)
\p
M. Vancliff (U. of Antwerp, UIA Belgium), {\it "Quantum Quadrics in Quantum
$P^3$'s."}
\p
C. Ohn (Univ. Reims, France) {\it "Quantum SL(3)'s with Good Fundamental
Representations"}
\sp
{\bf Session 2 :} Thu. May 23, afternoon (Room R.3.)
\sp
{\it Speakers :} (45 min.)
\p
M. Artin (M.I.T., US) 
\p
L. Le Bruyn (NFWO, Univ. of Antwerp, Belgium) {\it "Lie Stacks and their
Enveloping Algebras"}
\sp 
{\it Speakers :} (25 min)
\p
J. Zhang (University of Washington, Seattle, US) 
{\it "Hilbert Series and Growth of Graded Noetherian Rings"}
\p
I. Musson (University of Wisconsin, Milwaukee, US) 
{\it "A Geometric Approach to the Center of the Enveloping Algebra of a 
Classical
Simple Lie Superalgebra."}
\p
A. Giaquinto, (Mississippi State Universityi, US), {\it "Boundary Solutions of
the Classical Yang-Baxter Equation"}.
\p
A. I. Lichtman (Univ. of Wisconsin, Parkside), {\it "Trace Functions in the
Rings of Polycyclic Group Rings"}.
\par\eject
\vskip 5mm\p
{\bf 8. Differential Geometry}
\sp
{\it Organization :} L. Vanhecke (K. U. Leuven) fgaga03@ccl.kuleuven.ac.be 
L. Lemaire (U. L. Bruxelles, Belgium) ulbmath@ulb.ac.be
\sp
{\bf Session 1 :} Wed. May 22, afternoon (Room R.2.)
\sp  
{\it Speakers :}
\p
J. Jost (Ruhr-Universitaet, Bochum) {\it "Generalized harminic Maps and
Geometric Applications"}
\p
J. J. Duistermaat (Universiteit Utrecht, The Netherlands) {\it "Counting
Eigenvalues of Higher Order Sturm-Liouville Problems"}
\p
S. Gutt (Universite Libre de Bruxelles, Belgium - Univ. Metz, Fr.),
{\it "Quantization of Kaehler Manifolds"}
\p
G. Walschap (Univ. of Oklahoma, US), {\it "Metric Fibrations of Euclidian
Spaces"}
\sp
{\bf Session 2 :} Thu. May 23, afternoon (Room R.2.)
\sp 
{\it Speakers :}
\p
N. Hitchin (Cambridge University, U.K.)
\p
C. Viterbo (Universite Paris Sud, Fr)
\p
Y. Eliashberg (Stanford University)
\p
A.S. Dzhumadil'daev (U. Munchen) {\it "Vector fields Lie algebras: nonsplit
extension, deformations and defining relations"}

\vskip 5mm\p
{\bf 9. Buildings}
\sp
{\it Organization :} H. Van Maldeghem (R. U. Gent, Belgium) hvm@cage.rug.ac.be
M. Ronan (U. Illinois, Chicago) u53074@uicvm.bitnet
\sp 
{\bf Session :} Wed. May 22, afternoon (Room D.2.35.)
\sp   
{\it Speakers :}
\p
H. Van Maldeghem (R. U. Gent, Belgium) {\it "Variations on the Moufang Condi
tion
for Buildings of Low Rank"}
\p
R. Scharlau (U. Dortmund, Germany) {\it "Voronoi Domains, Reflexion Groups, 
and
shadow geometries"}
\p
M. Ronan (U. of Illinois, Chicago) {\it "Twin Trees"}
\p
B. Muehller (U. Tuebingen, Germany) {\it "Commutator relations in 2-spherical 
Moufang buildings"}

\vskip 5mm\p
{\bf 10. Logic}
\sp
{\it Organization :} M. Boffa (Univ. de Mons, 7000 Mons, Belgium) 
chrmich@sun1.umh.ac.be; Y. Gurevich (U. of Michigan, Ann Arbor), Send
papers to : C. Michaux, (michaux@hilbert.logique.jussieu.fr)
\sp
{\bf Session 1 :} Thu. May 23, afternoon (Room R.4.)
\sp  
{\it Speakers :}
\p
S. Smale (C. U. Hong Kong, Math. Dept. TAT CHEE Ave, Kowloon, Hong Kong) 
{\it "Extending the Notion of Decidability"}
\p
Y. Gurevich (U. of Michigan, Ann Arbor) {\it "Logic and Computer
Science or the Holy Cows of Computer Science Logicians"}
\p
E. Graedel (RWTH, Aachen, Germany) {\it "Metafinite Model Theory"}
\sp
+ 4 Contributed Papers :
\sp  
Friederike Koerner (T.U. Berlin, BRD), {\it "Countable Recursively Saturated 
Models with Automorphisms that Move all Non-Algebraic Points"}
\p
Thanases Pheidias and Karim Zahidi (University of Crete, Greece) {\it "The
Rational Function Field C(t) has an Undecidable Existential Theory in the
Language of Rings Augmented by a Predicate Representing the Relation "x is
a Derivative in C(t)" and a Constant for the variable t."}
\p
Gregorio Malajovitch (Inst. Matematica da UFRJ, Rio, Brazil) and Klaus Meer 
(RWTH, Aachen, BRD), {\it "On the Structure of $NP_C$"}
\p
Tomasz Polacik (University of Silesia, Katowice, Poland), {\it "Pitt's
Quantifiers and Topological Interpretation of Quantification in
Intuitionistic Propositional Logic"}
\sp
{\bf Session 2 :} Fri. May 24, afternoon (Room : Promotion Room)
\sp  
{\it Speakers :}
\p
A. Macintyre (U. of Oxford, UK) {\it "Geometric Categories Arising in Model
Theory"}
\p
D. Evans (U. of East Anglia, UK) {\it "Automorphism Groups of Saturated
Structures"}
\p
E. Bouscaren (U. Paris VII, France) {\it "Model Theory and Algebraic Geometr
y, a
Survey of Recent Developments"}
\p
Z. Chatzidakis (U. Paris VII, France) {\it "Model Theory of Algebraically
Closed Fields with an Automorphism"}
\sp
+ 3 Contributed Papers
\sp  
Francoise Point $\&$ Patricia Wantiez (Univ. de Mons, Belgium), 
{\it "Multiplicative  Lie Algebras"}
\p
Alexis Bes (Universite Paris VII, Fr.) {\it "Logic, k-Recognizable Sets and
Cobham-Semenov Theorem"}
\p
F. Collot (SMF, Paris, Fr.) {\it " Continuum Hypothesis : a New Approach"}

\vskip 5mm\p
{\bf 11. Numerical Mathematics}
\sp
{\it Organization :} S. Van de Walle (K. U. Leuven)
stefan.vandewalle@cs.kuleuven.ac.be
P. Hemker (CWI, Amsterdam) pieth@cwi.nl
\sp  
{\bf Session :} Fri. May 24, afternoon (Room R.0.19.)
\sp  
{\it Speakers :}
\p
M. Griebel (Univ. Bonn) {\it "Algebraic multigrid methods for the solution of 
the Navier Stokes equations in complicated geometries"}
\p
A. Reusken (T.U. Eindhoven, Nl) {\it " On algebraic multigrid methods"}
\p
W. Dahmen (RWTH Aachen, Germany) {\it "Stable multiscale bases and adaptive 
techniques for elliptic problems"}
\p
C.W.Oosterlee (SCAI, Germany){\it " An evaluation of parallel multigrid 
as solver and preconditioner for singular perturbed problems"}

\vskip 5mm\p
{\bf 12. Dynamical Systems}
\sp
{\it Organization :} F. Dumortier (LUC, Hasselt, Belgium) fdumorti@luc.ac.be 
S. van Strien (U. Amsterdam, Nl) strien@fwi.uva.nl
\sp
{\bf Session 1 :} Wed. May 22, afternoon (Room R.4.)
\sp  
\p
Michael Benedicks (Stockholm Technical University, Swden) {\it "Stochastic
Properties of Certain Henon Attractors"}
\p
Greg Swiatek (Penn State Univ., US) {\it "Remarks on Critical Circle Mapping
s"}
\p
Duncan Sands (Orsay, Paris Sud, Fr.) {\it "Collet-Eckman and related
Hyperbolicity Conditions in Unimodal Maps"}
\p
Henk Bruin (Erlangen, BRD), {\it "Factor Maps of Cantor Attractors in Interval
Dynamics"}
\par\eject
\sp
{\bf Session 2 :} Thu. May 23, afternoon (Room R.0.19)
\sp  
Chengzhi Li {\it "Some techniques in the Study of the Number of Zeros of Abe
lian
Integrals"}
\p
Andre Vanderbauwhede (R.U. Gent, Belgium) {\it "Normal Forms and Subharmonic
Bifurcation"}
\p
M. Sintzhoff (Univ. de Louvain, Belgium) {\it "Abstract Verification of
Structured Dynamic Systems"}

\vskip 5mm\p
{\bf 13. Motivic Cohomology and Algebraic K-Theory}
\sp
{\it Organization :} E. Friedlander, eric@math.nwu.edu
\p
J. Murre (U. Leiden, Nl.) murre@rulwinw.leidenuniv.nl
\sp
{\bf Session 1 :} Thu. May 23, afternoon (Room R.1.)
\sp  
Helene Esnault (U. Essen, BRD) {\it "Algebraic Chern-Simons Theory"}
\p
Brent Gordon (Univ. of Oklahoma, US) {\it "Chow Motives of Elliptic Modular
Varieties"}
\p
Christophe Soule (Paris, Fr.)
\p
Vladimir Voevodsky (Harvard, US), {\it "Stable Homotopy Category of Algebraic
Varieties"}
\sp  
{\bf Session 2 :} Fri. May 24, afternoon (Room R.1.)
\sp
Christopher Deniger (Univ. Muenster, BRD) {\it "Periods of Mixed Motives,
K-Theory and Entropy"}
\p
Henri Gillert (Illinois, US)
\p
Uwe Jannsen (Koeln, BRD) {\it "Applications of Motives"}
Anthony Scholl, (Durham)

\vskip 5mm\p
{\bf 14. Wavelets}
\sp
{\it Organization :} I. Daubechies (Princeton) ingrid@math.princeton.edu
N. Temme (cwi, Amsterdam) nicot@cwi.nl
\sp
{\bf Session 1 :} Wed. May 22, afternoon (Room : promotion Room) (40' lectur
es)
\sp  
I. Daubechies (Princeton University, US)
\p
J. P. Antoine, {\it "Wavelets : From Group Representations to Image Processing
and Motion Analysis"}
\p
J.B.T.M. Roerdink (Univ. Groningen) {\it "Wavelets in computerized tomograph
y"}
\p
W. Sweldens (AT $\&$ T, NJ, US) {\it "Construction and Application of Second 
Generation Wavelets"}
\sp
{\bf Session 2 :} Fri. May 24, afternoon (Room D.2.35.)
\sp  
Francoise Bastin (Univ. de Liege, Belgium) 
{\it "Construction of Wavelets in Sobolev Spaces"}
\p
Geert Uytterhoeven c.s. (Kath. Univ. Leuven, Belgium)
{\it "Experiments with a Wavelet-Based Approximate Karhunen-Loeve Decomposit
ion"}
\p
Maarten Jansen c.s. (Kath. Univ. Leuven, Belgium)  {\it "Generalized Cross 
Validation for Wavelet Thesholding"}
\p
Patrick Oonincx (CWI, Amsterdam, The Netherlands)  
{\it "A Generalization of Multiresolution Analyses"}
\p
Felis Herrmann (Delft Univ. Techn., The Netherlands)
{\it "Waves in Scalding Media : A Preliminary Discussion on the
Implications of Non-Differentiability on Wave Dynamics"}
\p
Manos Papadakis (Hellenic Military Acad., Greece) 
{\it "A Unitary Parametrization of Low-Pass Filters of MRA"}

\vskip 5mm\p
{\bf 15. Inverse Problems}
\sp
{\it Organization :} Fadil Santosa (U. of Minnesota), santosa@math.umn.edu
C. De Mol (U. L. Bruxelles, Belgium) demol@ulb.ac.be
\sp
{\bf Session 1 :} Thu. May 23, afternoon, Room B.0.36
\sp
{\bf Session 2 :} Fri. May 24, afternoon (Room R.2.)
\sp
{\it Speakers : }
\p
A. Nachman (Rochester University, USA)
\p
F. Santosa (U. of Minnesota, USA)
\p
R. Snieder (U. of Utrecht, Nl.)
\p
E. Di Bennedetto (North Western Univ., USA)

\vskip 5mm\p
{\bf 16. Modular Functions}
\sp
{\it Organization :} J. Top (R. U. Groningen, Nl.) j.top@math.rug.nl
B. Edixhoven (U. Rennes, Fr.) edix@campagnarde.univ.rennes.fr
\sp
Fri. May 22, afternoon (Room : R.4.)
\sp
{\it Speakers : }
\p
B. Edixhoven (Univ. Rennes, Fr.) {\it "Oort's Conjecture for $P_1 \times P_1
$"}
\p
P. Parent {\it "Effective Bounds for the Torsion of Elliptic Curves on Number
Fields"}
\p
B. Birch {\it "Abelian Surfaces with Real Multiplication"}
\p
B. Perrin-Riou {\it "Representations p-adiques et fonctions L p-adiques"}
\p
J. Huntley, {\it "On the Analogue of Selberg'sEigenvalue Conjecture for
$SL_3(Z)$.}

\vskip 5mm\p
{\bf 17. Special Functions}
\sp
{\it Organization :} Walter Van Assche, Katholieke Universiteit Leuven
Marcel G. de Bruyn, Technische Universiteit Delft
\sp
   Wed. May 22, afternoon (Room : R.1.09)
\sp
{\bf First Session :} (20 minutes talks)
\p
M. G. de Bruyn, (Technical University Delft, The Netherlands), 
{\it "Continuous Sobolev-Laguerre Polynomials amd their Continued Fractions"}
\p
H. G. Meijer (Technical University Delft, The Netherlands), {\it "Coherent P
airs
for Sobolev Orthogonal Polynomials"}
\p
H. Bavinck (Technical University Delft, The Netherlands), {\it "Linear
Perturbations of Differential and Difference Operators with Polynomial
Eigenfunctions"}
\p
J. Van Der Jeugt (Univ. Gent, Belgium), {\it " Transformation and Summation
Formulas for Multiple Hypergeometric Functions"}
\sp
{\bf Second Session :} (20 minutes talks)
\p
M. Schosser, Ch. Krattenthaler (Univ. Wien, Austria), {\it "Multidimensional
Matrix Inversion and $A_r$ and $C_r$ Basic Hypergeometric Functions"}
\p
W. Koepf (Konrad-Zuse-Zentrum, Berlin, Germany), {\it "Efficient Computation
 of
orthogonal Polynomials in Computer Algebra"}
\p
W. Koepf (Konrad-Zuse-Zentrum, Berlin, Germany),  {\it "Orthogonal Polynomial
Identities in Maple V.4."}
\p
R. F. Swarttouw (Computer Algebra Nederland, Amsterdam, The Netherlands),
{\it "An Interactive Electronic Version of the Askey-Wilson Table for Classi
cal
Orthogonal Polynomials"}

\vskip 5mm\p
{\bf 18. 
History of Mathematics: Mathematical Brain Drain within Europe (1550-1650)
and from Europe to North America (1850-1950)}
\sp   
{\it Organization :} J. van Maanen (R. U. Groningen) j.a.van maanen@math.rug
.nl
\sp
{\bf Session :} Wed. May 22, Afternoon (Room V.2.)
\sp
{\it Speakers :}
\p
Jan van Maanen (R. U. Groningen, the Netherlands)  {\it "Introduction"} (5')
\p
A. Meskens (Mechelen, Belgium) {\it "The Road to the Republic : The Antwerp
Reckoning Masters 1550-1620"} (35')
\p
G. Vanpaemel (U. Nijmegen) $\&$ J. van Maanen {\it "Migration Patterns of 
Mathematicians in the Low Countries 1550-1650"} (35')
Discussion (15')
\p
Coffee-break
\p
T. Archibald (Wolfville, Nova Scotia, Canada) {\it "Transforming Canadian
Mathematics : British and Continental Influences"} (35')
\p
D. Rowe (Mainz, BRD) {\it "The Impact of European Emigres on Mathematics in 
the
United States"} (35')
\sp
Discussion (20')

\vskip 5mm\p
{\bf 19. Contributed Papers}
\sp
{\bf Session 1 :} Thu. May 23, afternoon (Room D.2.35)
(Lectures are 25' minutes long)
\sp
S. Sontz {\it "Log-Sobolev Inequalies and Statistical Mechanics"}
\p
W. Kuijk (RUCA, Antwerp, Belgium), {\it "Intrinsic Relativistic Schrodinger
Equation for the Electron"}
\p
F. Cantrijn (University of Ghent, Belgium) {\it "Multisymplectic Structures 
and
their Appearance in Classical Field Theory"}
\p
W. Sarlet (University of Ghent, Belgium) {\it "Aspects of the geometry of
Non-Holonomic Mechanics"}
\p
J. Naudts (University of Antwerp, UIA, Belgium) {\it "Generalized Fuzzy Sets,
Conditional Weights and Gibbs Specifications"}
\p
L. Sadun (University of Texas, US) {\it "Subgroups of SO(3) Associated with
Tilings"}
\p
H. De Schepper, R. Van Keer (University of Ghent, Belgium) {\it "Variational
Approximation Method for a Class of 2nd Order Eigenvalue Problems in
Composite Media with Nonlocal Transition Conditions at the Internal
Boundaries"}
\sp
{\bf Session 2 :} Fri. May 24, half afternoon (Room R.2)
(Lectures are 25' minutes long)
\sp
M. Dewar (Comp. Math. Group, NAG Ltd, Oxford, UK) {\it "Computer Algebra with
AXIOM"}
\p
J.-P. Doignon (ULB, Belgium) {\it "Finding the Facets of a Convex Polytopic
Related to a Model of Approval"}
\p
A. Toom (US), {\it "Tails in Harnesses"}
\p
B. Russo (Univ. of California, Irvine, US) {\it "The Small Hankel Operator on
the Hardy Space of the Unit Ball and Visit Polydisc"}
\p
A.F.M. ter Elst (T.U. Eindhoven, Nl) {\it "Weighted Subcoercive Operators on
 Lie
Groups"}
\p
J. Korevaar (Univ. of Amsterdam, the Netherlands) {\it "An Approximation Pro
blem
for the Sphere"}
\p
A. Kuylaars (Purdue University, US) {\it "A Problem on Fast Decreasing
Polynomials"}
\sp
{\bf Session 3 :} Hopf Algebras, Fri. May 24, afternoon (Room R.3)
(Lectures are 25' minutes long)
\sp
M. Cohen (Ben Gurion University of the Negev, Beer Sheva, Israel) {\it "The
Semicenter and Generalized Invariants of Commutative Algebras in
Categories"}
\p
B. Chin (De Paul University, Chicago, US) {\it "Basic coalgebras"} 
\p
H.-J. Schneider (University of Munchen)
\p
G. Militaru (Univ. Bucharest) {\it "Frobenius Type Properties for Doi-Hopf
Modules"}
P. Schauenburg (University of Munchen), {\it "Hopf Bigalois Extensions"}
\p
S. Dascalescu (Univ. of Bucharest), {\it "FBN Hopf Module Algebras"}
\p
B. Zhou (Buffalo, US) {\it "Doi Hopf Data, Functors, Applications, Frobenius
Types"}
\p
N. Guner (Univ. Wisconsin, Madison, US) {\it "Borsuk-Ulam Type Theorem for
Heisenberg Lie Group Action"}
\p
Ioana Boca (U.Southern California) {\it "Projective Representations of Hopf 	
Algebras"}
\par\eject
\vskip 5mm\p
{\bf 20. Short Communications (20')}
\sp
{\bf Session 1 :} Thursday 23, Room R.0.19, time : from 5 p.m. to 6.30 p.m.
\sp
Nowak, {\it "Primitive Lattice Points in Starlike Planar Sets"}
\p
A.K. Devaraj (Bombay, India) {\it "A Theorem a la Ramanujan : There are Only
 Two
Values of $x$ for which $x^2 + 18 = 3^n$ "}
\p
P. Popescu (Univ. of Craiova, Roumania) {\it "About the Behaviour of Some New
Functions in Number Theory"}
\p
V. V. Rane (Institute of Science, Bombay, India) {\it "Approximate Functional
Equations and the Mean Square Value of Hurwitz Zeta Functions"}.
\sp
{\bf Session 2} Thursday 23, Room R.2., time : from 5 p.m. to 6.30 p.m.
\sp
W. Malfait (KUL, Belgium) {\it "On Extension Realising a Faithful Abstract 
Kernel and their Automorphisms.  Application : An Algebraic Approach to the
Symmetry of Infranilmanifolds"}
\p
K. De Kimpe (KUL, Belgium) {\it "Poly Structures on Polycyclic Groups"}
\p
D. Scevenels (KUL, Belgium), {\it "The Mislin Genus of Some Classes of Finit
ely
Generated Nilpotent Groups"}
\p
S. Lu (Denver, Colorado, US) {\it "The Prime Avoidance Theorem for Modules"}
\sp
{\bf Session 3 :} Friday 24, Room V.2., time : from 4.20 p.m. to 6.40 p.m.
\sp
D. Burde (univ. Duesseldorf, BRD) {\it "Etale Affine Representations of Lie
Groups"}
\p
M. Serfati (Paris, Fr.) {\it "The Lattice Theory of r-ordered Partitions"}
\p
D. Marrero (Villanova Univ.i, US) {\it "A Test for Seasonal Variation Having
Small Amplitude"}
\p
E. A. van Doorn {\it "A Service System Gathering Surplus Capacity during Idle
Periods"}
\p
T. Driessen (Univ. Twente, the Netherlands) {\it "Catalan and Fibonacci Numb
ers
in the Context of Cooperative Game Theory"}
\p
P. V. Subrahmanyam (Indian Inst. of Technology, Madra, India) {\it "On the
Existence of Solutions of Certain Functional Internal Equations"}
\p
T. Tkebuchava (U. Tbilisi, Ukraine) {\it "On the Conjugate Function and Hardy
Littlewood Maximal Operator in Nonreflexive Separable Orlicz Space"}
\sp
Reserve Rooms : 
\p
Wed. May 22, Room B.0.36
\p
Fri. May 24, Room B.0.36)
\par\vfill\end