NA Digest Saturday, November 29, 1997 Volume 97 : Issue 48

Today's Editor:
Cleve Moler
The MathWorks, Inc.

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From: NA Digest <>
Date: Sat Nov 29 18:56:54 EST 1997
Subject: NA Digest Calendar

The Netlib Conferences Database is on the Web at:

NA Digest Calendar
Date Topic Place NA Digest #

Dec. 3- 5 BLAS Technical Forum Knoxville, TN 46
Dec. 15-17 Hyperbolic Conservation Laws Stockholm, Sweden 26


Jan. 3- 6 Approximation Theory Nashville, TN 10
Jan. 5- 9 Matrix Theory Haifa, Israel 19
Jan. 19-30 Summer School in Numerical Analysis Concepcion, Chile 46
Jan. 21-23 Computational Aerosciences Workshop Hampton, VA 25
Jan. 23-24 Honor Olof Widlund New York, NY 47
Jan. 23-25 Concepts of Numerical Software Kiel, Germany 35
Jan. 25-27 Discrete Algorithms San Francisco, CA 18

Feb. 9-10 Parallel Numerical Libraries Toulouse, France 39
Feb. 9-13 Hyperbolic Problems Zuerich, Switz. 36
Feb. 25-27 Numerical Methods for ODEs Coimbra, Portugal 48
Feb. 28... Java for High-Performance Computing Palo Alta, CA 39

Mar. 19-21 SIAM Student Conference and SEAS Tallahassee, FL 45
Mar. 24-27 Neurocomputing Munich, Germany 15
Mar. 26-27 Benelux Signal Processing Symposium Leuven, Belgium 46
Mar. 30... Randomized Parallel Computing Orlando, FL 43
Mar. 30... Iterative Methods Copper Mountain, CO 45
Mar. 31... Young Operational Research Guildford, UK 40
Mar. 31... Numerical Methods for Fluid Dynamics Oxford, UK 46

Apr. 1- 4 Computational Engineering Nabeul-Hammamet, Tunisia 24
Apr. 15-17 Numerical Mathematics Cape Town, So. Africa 48
Apr. 20-23 Interval Methods in Global Optimization Nanjing, China 45
Apr. 25 Midwest Numerical Analysis Day Macomb, IL 39
Apr. 27-29 Real Numbers and Computers Paris, France 41

May 3- 6 Fourier Analysis Kuwait Univ., Kuwait 42
May 7- 9 Control and Its Applications Jacksonville, FL 36
May 25-29 Combinatorial and Global Optimization Chania, Crete, Greece 42

June 1- 4 Artificial Intelligence & Expert Systems Benicassim, Spain 32
June 1- 5 Wave Propagation Golden, CO 42
June 7-10 Computational Geometry Minneapolic, MN 33
June 14-18 Applied Parallel Computing Umea, Sweden 07
June 15-17 Honor Alexandre Chorin Berkeley, CA 43
June 15-19 PDEs and NA Beijing, China 28
June 15-20 Computational Physics Dubna, Russia 48
June 16-17 Numerical Analysis and Computers Manchester, UK 24
July 20-24 Domain Decomposition Methods Greenwich, UK 36
June 21-23 Vector and Parallel Processing Porto, Portugal 37
June 22-26 Spectral and High Order Methods Tel Aviv, Israel 19
June 22-26 Monte Carlo Claremont, CA 45
June 22-27 Siberian Congress Novosibirsk, Russia 45
June 25-27 Scientific Computing Alicante, Spain 43
June 29-30 Workshop on Orthogonal Polynomials Madrid, Spain 47
June 29... Parallel Computing, Economics, Finance Cambridge, UK 45
June 29... Congress on Computational Mechanics Buenos Aires,Argentina 23
June 29... Bifurcation Theory Xi'an, China 30
June 29... Parallel Algorithms in Finance Cambridge, UK 43
June 29... Numerical ODEs Auckland, New Zealand 46

July 1- 3 Optimization Perth, Australia 22
July 5-17 Summer School in Numerical Analysis Leicester, UK 47
July 6- 9 Numerical Grid Generation London, UK 40
July 9-10 Applied and Computational Mathematics Hervey Bay, Australia 40
July 13-15 Parallel Computation Oxford, UK 40
July 13-17 Discrete Mathematics Toronto, Canada 47
July 13-17 SIAM Annual Meeting Toronto, Canada 42
July 19-24 Telecommunication Systems Montreal, Canada 40
July 20-22 Optimization Coimbra, Portugal 47
July 20-23 Accurate Solution of Eigenvalue Problems University Park, PA 47
July 27... Computional and Applied Mathematics Leuven, Belgius 38
July 30... Self-Similar Systems Dubna, Russia 47

Aug. 9-11 Irregularly Structured Problems Berkeley, CA 44
Aug. 18-27 International Congress of Mathematicians Berling, Germany 37
Aug. 18-27 ICM98 Session on Mathematical Software Berlin, Germany 27
Aug. 18-27 VideoMath Festival Berlin, Germany 12
Aug. 19-23 Numerical Methods and Applications Sofia, Bulgaria 39
Aug. 24-26 European Symposium on Algorithms Venice, Italy 46
Aug. 24-26 Hydroinformatics Copenhagen, Denmark 25
Aug. 24-27 Computational Mechanics Miskolc, Hungary 25
Aug. 31... IFIP World Computer Congress Vienna and Budapest 96:46

Sep. 1- 4 Parallel Computing Southampton, UK 47
Sep. 1- 4 Numerical Methods inParallel Computing Southampton, UK 48
Sep. 1- 5 Solid Mechanics Zakopane, Poland 37
Sep. 2- 4 Computational Methods in Engineering Ghent, Belgium 34
Sep. 2- 5 Computational Physics Granada, Spain 43
Sep. 7- 9 Control and Data Processing Prague, Czech Republic 39
Sep. 14-18 Partial Differential Equations Marrakech, Morocco 42
Sep. 22-25 Validated Numerics Budapest, Hungary 47
Sep. 24-26 Computer Mathematics Athens, Greece 43
Sep. 28-30 Iterative Methods for Elasticity Nijmegen, Netherlands 48

Oct. 5- 8 Multigrid Methods Bonn, Germany 48
Oct. 14-17 Mathematical Physics Knoxville, TN 48
Oct. 18-20 Iterative Methods Austin, TX 48
Oct. 22-23 Mathematical Foundations for CAD Troy, MI 42
Oct. 26-29 Air Pollution Modelling Paris, France 48

Dec. 15-18 Nonlinear Programming Hong Kong 43

July 12-16 System Modelling and Optimization Cambridge, UK 31


From: Peter Knipp <pknipp@PCS.CNU.EDU>
Date: Wed, 26 Nov 1997 15:38:54 -0500
Subject: Summing a Trigonometric Series

I am interested in efficiently evaluating an infinite sum whose terms are
trig(q*n)/n**(0.5+m) where "trig" is either a sine or cosine, q is a positive
irrational number which ranges from 0 to approximately 10 or 20, m is a small
nonnegative integer, and the series includes terms from n=1 to n=infinity. I
am especially interested in the case m=0, a series which is NOT absolutely
convergent. I am intriqued by an idea suggested in a 1949 text by G. H.
Hardy entitled "Divergent Series", in which it is suggested that one evaluate
the m=0 series by expanding the 1/n**0.5 factor into an infinite series of
binomial coefficients ("N choose n"), where "N" equals n-0.5-j and j ranges
from 0 to infinity. (Because not both of the arguments of the binomial
coefficient are integers, the binomial coefficient equals a simple ratio of
gamma functions instead of factorials.) Next, Hardy suggests inverting the
order of the summation; the series (over j) involving the binomial coefficients
can be performed analytically, and PERHAPS the remaining sum (over n) converges
quickly. Unfortunately, Hardy does not provide the expansion coefficients for
the expansion of 1/n**0.5 into a series of binomial coefficients, and I am
unaware of any special type of "orthogonality" relationship that the binomial
coefficients satisfy (which would enable me to uncover the expansion
coefficients). Does anyone know what these expansion coefficients are, or does
anyone know of an alternative efficient way of summing this type of series?

Pete Knipp
Christopher Newport University


From: Thomas Strohmer <strohmer@stat.Stanford.EDU>
Date: Sat, 29 Nov 1997 13:32:46 -0800 (PST)
Subject: New Book, Gabor Analysis and Algorithms

Announcement of New Book
Theory and Applications

Edited by H.G. Feichtinger and T. Strohmer
ISBN 0-8176-3959-4 * 1997 * $64.95 * Hardcover * 500 pages *
available from Birkaeuser - Boston,

The field's leading international experts have come together to
give a detailed survey of the theory of Gabor analysis, a method
of time-frequency analysis and its applications in signal and
image processing. This book is a collection of surveys
thematically organized, showing the connections and interactions
between theory, numerical algorithms, and applications. It gives
an overview of the different branches of Gabor analysis, and
contains many original results which are published for the first

The book provides an introduction to mathematicians and engineers
who want to learn about the different approaches and aspects of
Gabor analysis or want to apply Gabor-based techniques to tasks in
signal and image processing. It is an especially useful reference
for research specialists in harmonic analysis, applied
mathematics, numerical analysis, engineering, signal and image
processing, optics, and pattern recognition.


Foreword/Ingrid Daubechies
Introduction/H.G. Feichtinger & T. Strohmer
1. The duality condition for Weyl-Heisenberg frames /A.J.E.M. Janssen
2. Gabor systems and the Balian-Low Theorem/J.J. Benedetto,
C. Heil & D.F. Walnut
3. A Banach space of test functions for Gabor analysis/
H.G. Feichtinger & G. Zimmermann
4. Pseudodifferential operators, Gabor frames, and local
trigonometric bases/ R. Rochberg & K. Tachizawa
5. Perturbation of frames and applications to Gabor frames/O.Christensen
6. Aspects of Gabor analysis on locally compact abelian groups/
K. Groechenig
7. Quantization of TF lattice-invariant operators on elementary
LCA groups/H.G. Feichtinger & W. Kozek
8. Numerical algorithms for discrete Gabor expansions/T.Strohmer
9. Oversampled modulated filter banks/ H. Boelcskei & F. Hlawatsch
10. Adaptation of Weyl-Heisenberg frames to underspread
11. Gabor representation and signal detection/ A. Zeira &
B. Friedlander
12. Multi-window Gabor schemes in signal and image
representations/Y.Y. Zeevi, M. Zibulski & M. Porat
13. Gabor kernels for affine-invariant object recognition/
J. Ben-Arie & Z. Wang
14. Gabor's signal expansion in optics/M.J. Bastiaans

Extensive Bibliography



From: Jorge More' <>
Date: Wed, 26 Nov 1997 15:37:18 -0600
Subject: SNOPT/AMPL Available from NEOS Server

The NEOS Server is now offering SNOPT for the solution of nonlinearly
constrained optimization problems in AMPL format.

SNOPT is suitable for large nonlinearly constrained problems with a
modest number of degrees of freedom. SNOPT was developed by
Philip E. Gill, Walter Murray, and Michael Saunders.

Installation of the SNOPT solver would not have been possible
without the help, guidance, and advice of Bob Fourer, David Gay,
and Philip Gill.

You can try out SNOPT by visiting the NEOS Server at

You can also use email; instructions are obtained by the message

type NCO
solver SNOPT


NEOS is a project of the Optimization Technology Center
(Argonne National Laboratory and Northwestern University).

Jorge More'

ps. If you are interested in receiving occasional announcements of
NEOS-related news, subscribe to the neos-news mailing list by sending
the message "subscribe" to


From: David Kincaid <>
Date: Sun, 23 Nov 1997 15:46:31 -0600
Subject: Symposium on Iterative Methods in Scientific Computation

FIRST ANNOUNCEMENT --- Call for papers


October 18-20, 1998
University of Texas at Austin

Celebrating 75th birthday of David M. Young, Jr.

To register for this meeting or to get on the mailing list, send email to
or check-out the URI site

Texas Institute for Computational and Applied Mathematics (TICAM);
International Association for Mathematics and Computations in Simulations


From: Vasilios Alexiades <>
Date: Sun, 23 Nov 1997 18:44:02 -0500
Subject: Trends in Mathematical Physics Conference

October 14-17, 1998
University of Tennessee, Knoxville

The UTK Departments of Mathematics and Physics are jointly
hosting a conference in Mathematical Physics next October,
to bring together researchers with various backgrounds in
mathematics and/or in physics for a series of expository
lectures on selected areas in mathematical physics. The aim
is to explore the common features shared by various fields
of mathematical physics and the underlying mathematics, and
to create links between researchers across discipline

The conference will consist of a series of plenary lectures
on selected topics, both theoretical and computational,

dendritic growth / pattern formation
mean curvature flow
lattice gauge theory
gauge-theoretic invariants / topology
gravitation / cosmology
fermion dynamical symmetries / Lie algebras.

The following speakers have accepted our invitation to give
three hour-long lectures each:

* Martin Glicksman (RPI) * Gerhard Huisken (Tubingen)
* Chris Michael (Liverpool) * Clifford Taubes (Harvard)
* Cheng-Li Wu (Taiwan)

Additional speakers are expected.

Some funds are available to provide financial assistance to
graduate students and postdoctoral fellows wishing to attend.

Additional info and updates at the conference web site:


From: Ruben Shahbaghyan <>
Date: Mon, 24 Nov 1997 12:24:16 +0300
Subject: Conference on Modern Trends in Computational Physics

First International Conference
Modern Trends in Computational Physics
June 15 - 20, 1998
Dubna, Russia

Laboratory of Computing Techniques and Automation
Joint Institute for Nuclear Research
141980 Moscow region, Dubna, Russia

Tel: + 7 09621 64875
Fax: +7 09621 65145

MTCP98 is the first in expected once-per-five year series of conferences to=
be held in Laboratory of Computing Techniques and Automation, Joint=
Institute for Nuclear Research in Dubna near Moscow. The objective is to=
provide a forum for the presentation of new approaches to the=
computational modeling in physics. This include numerical and computer=
algebra methods and algorithms, computational tools for simulation and=
analysis of physical processes, mathematical modeling of nonlinear static=
and time-dependent physical fields, exotic systems, Monte Carlo modeling=
of interactions of particles and particles with matter, problems of=
nonlinear mathematical physics, modeling in ecology and biophysics, large=
scale scientific computations on advanced computer architectures and=
software for physics experiments.

We expect key lectures to be presented by:

A.Abrashkevich, M. Shapiro and P.Brumer "Coherent Control of Collisional=
Events: Atom-Diatom Reactive Scattering"
N.Ananikyan "Multifractal Approach and Frustrations in the Spin and Gauge=
E.A.Grebenikov "New Homograph Solutions in Symmetric Hamilton Dynamics"
C.-K. Hu "Recent Developments on Monte Carlo Approach to Percolation=
A.M.Kosevich "Bloch oscillations of magnetic soliton in 1D ferromagnet"
I.Meshkov "High precision experiments with antihydrogen and positronium=
D.L.Morgan (to be announced later)
I.V.Puzynin "Iterative Newtonian Schemes for Investigation of Stationary=
and non-stationary physical problems"
A.G.Ramm "Numerical inversion of 3D fixed-energy noisy scattering data"
Bl.Sendov "Adaptive Multiresolution Analysis on the Dyadic Topological=
E.P.Zhidkov "Some Approaches to Solution of Nonlinear Problems"
P.Zinterhof "Number Theoretical Methods for Computational Sciences"


Prof E P Zhidkov
JINR, Russia

Prof I V Puzynin
JINR, Russia


I.E.Antoniou (Belgium), V.V.Boyko (Russia), I.Dimov (Bulgaria),
V.M.Filippov (Russia), C.-K.Hu (Taiwan ROC), M.S.Kaschiev (Bulgaria),
A.M.Kosevich (Ukraine), V.D.Lakhno (Russia), D.L.Morgan,Jr (USA), M.Pavlus
(Slovakia), B.Sendov (Bulgaria), A.N.Sissakian (JINR), P.Zinterhof
(Austria), Z.Zlatev (Denmark)


Dr R R Shahbaghyan

Laboratory of Computing Techniques & Automation,
Joint Institute for Nuclear Research
141980 Dubna, Moscow region, Russia

Tel: +7 09621 64875
Fax: +7 09621 65145


From: Dirk Laurie <>
Date: Mon, 24 Nov 1997 16:24:20 +0200 (SAT)
Subject: South African Symposium on Numerical Mathematics

The South African Numerical Mathematics Symposium is to be held from 15-17
April 1998, at The Kingsbury in Sea Point, a suburb of Cape Town, South
Africa. As the name suggests, the venue overlooks the Atlantic Ocean.

Although SANUM started off as an organisation for Numerical Analysts,
many Applied Mathematicians have also found a home. We encourage not
only Numerical Analysts but also Applied Mathematicians, especially those
for whom the computer has become an important part of their activities,
to attend the conference.

Those interested in presenting their work at the conference are
invited to submit abstracts consisting of no more than 500 words.

The important deadlines are:

January 16 Early Bird registration date.
February 15 Booking at The Kingsbury.
March 20 Abstract Submission.
April 15-17 Conference.

For much more information, try our web page:

Dirk Laurie (
Ben Herbst (


From: Peter Arbenz <>
Date: Tue, 25 Nov 1997 17:51:26 +0100
Subject: Workshop on Parallel Numerical Algorithms

Euro-Par '98
1st-4th September 1998
Southampton, UK

Euro-Par is an international conference dedicated to the promotion and
advancement of all aspects of parallel computing. The conference comprises
a number of highly focused workshops covering all aspects of parallel
processing - theoretical, practical, academic and industrial. Euro-Par
provides a forum for the promotion of parallel computing both as an academic
discipline and as a means of improving the performance of industrial

All accepted papers will be published by Springer-Verlag in the Lecture
Notes in Computer Science series.

Workshop 20: Parallel Numerical Algorithms

Programme Committee:

* Maurice Clint (Queen's University, Belfast, UK), General Chair
* Marian Vajtersic (Slovak Academy, Slovakia), Local Chair
* Michael Thune (University of Uppsala, Sweden), Vice Chair
* Peter Arbenz (ETH Zurich, Switzerland), Vice Chair


Robust and efficient parallel algorithms for the solution of fundamental
problems in numerical mathematics are essential components of most parallel
software systems for scientific and engineering applications. This workshop
provides a forum for the presentation and discussion of new developments in
the area of parallel numerical methods. All aspects of the design and
implementation of parallel algorithms will be addressed, ranging from
discussion of the ideas on which they are based to analyses of their
complexities and performances on current parallel architectures.

Topics of interest include:

* numerical linear algebra * partial differential equations
* large linear systems * ordinary differential equations
* numerical quadrature * differential algebraic equations
* transformations (wavelets, FFT) * integral equations

Key Dates for Euro-Par'98:

Deadline for paper submissions: January 31, 1998
Notification of acceptance: May 1, 1998
Final copy due: June 10, 1998
Early Registration Deadline: June 30, 1998

Further Information:


From: Alexander Padiy <>
Date: Wed, 26 Nov 1997 10:51:25 +0100 (MET)
Subject: Conference on Iterative Methods for Elasticity

Conference on
Iterative solution methods for the elasticity
equations as arising in mechanics and biomechanics
University of Nijmegen, The Netherlands
September 28-30, 1998

Recently there has been much progress reported on iterative solution
methods for the solution of the algebraic systems which arise in finite
element methods in structural engineering, geomechanics and biomechanics.
The purpose of the conference is to report on recent progress and to enable
people from both the theoretical side and the practical, application side
to meet and exchange their views on the topic.

- Preconditioned conjugate gradient methods
- Incomplete factorization methods, ordering strategies
- Inner-outer iteration methods
- Subspace iteration methods
- Aggregation techniques
- Superelement-by-element preconditioners
- Algebraic multilevel methods
- Multilevel domain decomposition methods
- Locking phenomena
- nearly incompressible materials
- thin structures, limit cases (membrane state, bending state)
- Conforming and non-conforming methods
- Mixed variable methods
- Reduced integration methods
- Iteration methods for hybrid problems
- Nonlinear materials and elasto-plastic problems
- Incremental approaches
- Newton-type methods
- Finite element software packages, implementation aspects
- Parallelization aspects

Deadline for submission of the extended abstracts : April 15, 1998
Referee reports and notification of acceptance : May 15, 1998

O. Axelsson or J. Padiy
University of Nijmegen
Department of Mathematics
Toernooiveld 1
NL-6525 ED Nijmegen

Fax : +31 (0)24 3652140


From: Aderito Araujo <>
Date: Wed, 26 Nov 1997 14:15:29 +0000
Subject: Meeting in Coimbra on Numerical Methods for ODEs

February 25-27, 1998
University of Coimbra, Portugal



The 2nd Meeting on Numerical Methods for Differential Equations is going
to take place from 25 to 27 February, 1998. The researchers on Numerical
Analysis of Differential Equations are invited to submit short lectures (20
minutes) on theoretical problems or computational aspects.


U. ASHER, British Columbia University, Vancouver, Canada
M.P. CALVO, Universidad de Valladolid, Spain
J.A. CASTRO, Universidade de Coimbra, Portugal
E. HAIRER, Universite de Geneve, Switzerland
W. HUNDSDORFER, CWI Amsterdam, The Netherlands
A. MEIRMANOV, Universidade da Beira Interion, Covilha, Portugal
A. QUARTERONI, Politecnico de Milano, Italy
J.M. SANZ-SERNA, Universidad de Valladolid, Spain
A. SEQUEIRA, Instituto Superior Tecnico, Lisboa, Portugal
L. TRABUCHO, Universidade de Lisboa, Portugal
J. VERWER, CWI Amsterdam, The Netherlands


The abstracts, having one page maximum, should be sent by usual or
electronic mail, until 30 December, 1997. The authors will be notified on
their acceptance until 20 January, 1998.

The final version of the papers, with a maximum of 10 pages, must be delivered
until 30 April, 1998.

Contributed papers will be the object of a preprint publication - Mathematical
Texts, Serie B - by the Department of Mathematics of the University of Coimbra.

After refereeing, those accepted will be published in a special issue of
the Journal of Computational and Applied Mathematics.


P. de Oliveira (Universidade de Coimbra)
F. Oliveira (Universidade de Coimbra)
F. Patricio (Universidade de Coimbra)
J.A. Ferreira (Universidade de Coimbra)
A. Araujo (Universidade de Coimbra)


* Abstracts due: December 30, 1997
* Notification of acceptance: January 20, 1998
* Final papers due: April 30, 1998
* Meeting in Coimbra: February 25, 26, 27, 1998

Addition information can be found in:

Departamento de Matematica da Universidade de Coimbra
300 Coimbra, Portugal
phone: +351-39-7003150
fax: +351-39-32568


From: Bruno Sportisse <>
Date: Wed, 26 Nov 1997 17:29:17 +0100 (MET)
Subject: Conference on Air Pollution Modelling and Simulation

International Conference on
Air Pollution Modelling and Simulation APMS'98
October 26-29, 1998, Paris

The aim of this meeting is to review the current understanding of
Air Pollution Modelling and Simulation and to bring together people from
various scientific communities (meteorology, atmospheric chemistry, modelling
of emissions, input data, numerical analysis and applied mathematics , ...) in
order to confront their points of view.
The focus will be put on scales ranging from urban to meso ones.

Organized by:

Ecole Nationale des Ponts et Chaussees (ENPC) and
Institut National de Recherche en Informatique et en Automatique (INRIA)

Scientific Committee:

Nicolas Bouleau (ENPC, F), Peter Builtjes (TNO, NL)
Daniel Cariolle (Meteo France, F), Greg Carmichael (Un. of Iowa, USA)
Alexis Coppalle (CORIA, F), Hendrik Elbern (Un. of Cologne, FRG)
Jacques Fontan (Un. P.Sabatier, F), Isabelle Herlin (INRIA, France)
Robert Joumard (INRETS, France), FX Le Dimet (Un. J.Fourier and INRIA, F)
Greg Mc Rae (MIT, USA), N. Moussiopoulos (Aristotle Un, Thess.,Gr)
Florian Potra (Un. of Iowa, USA), Olivier Talagrand (ENS Ulm, France)
Gerard Toupance (Un. Paris 6, F) , Jan Verwer (CWI, NL)
Zahari Zlatev (NERI, Denmark)

Conference Topics:

(1) Modelling of atmospheric chemical kinetics
(2) Multiphase and microphysical modelling
(3) Meteorology for the Regional (meso) Scale
(4) Meteorology for the Urban Scale, Urban Air Quality
(5) Emission models, input data
(6) Numerical simulation of transport and operator splitting
(7) Numerical simulation of atmospheric Chemical Kinetics
(8) High performance parallel pomputations
(9) Data assimilation and sensitivity analysis

Registration form

You can visit our Web pages :
or contact the Conference Secretariat (e-mail:
Relations Exterieures INRIA,
Conference APMS'98
INRIA, Domaine de Voluceau,
Rocquencourt, BP 105
78153 Le Chesnay Cedex, FRANCE (fax: +
or contact the scientific secretary (e-mail:


From: Gerhard Zumbusch <>
Date: Wed, 26 Nov 1997 18:22:22 +0100
Subject: GAMM Workshop on Multigrid Methods

10th Anniversary International
GAMM - Workshop on Multigrid Methods
October 5 - 8, 1998 at Bonn (Germany).

- Theory and application of multigrid and multilevel methods
- Implementational issues
- Aspects of parallelization
- Applications in natural sciences and engineering

The organizing and programme committees are pleased to invite you to the
10th Anniversary International GAMM - Workshop on "Multigrid Methods".

The workshop will be held at the University Club of the University Bonn in
downtown Bonn. The aim of the workshop is to bring together again
scientists whose common interest is the theory and the application of
multigrid and related methods. The four-day programme will consist of
invited lectures, contributed papers and poster sessions.

Organized by the Department for Applied Mathematics, University Bonn
In Cooperation with the
- GAMM--Committee "Discretization Methods in Solid Mechanics"
- GAMM--Committee "Efficient Numerical Methods for PDEs"
- SFB 256 "Nichtlineare Partielle Differentialgleichungen"

Programme Committee
Dietrich Braess (Bochum, Germany)
Michael Griebel (Bonn, Germany)
Wolfgang Hackbusch (Kiel, Germany)
Ulrich Langer (Linz, Austria)

Local Organizing Committee
Michael Griebel, Frank Kiefer, Gerhard Zumbusch

Conference Fees: With early registration: 80 DM, later: 100 DM
We will provide limited low budget accommodation possibilities.

Deadlines and Important Dates:
returning the early registration form February 15, 1998
submitting the abstract May 15, 1998

for further information:


From: Juergen Garloff <>
Date: Fri, 28 Nov 1997 12:44:57 +0100
Subject: Special Issue of Reliable Computing

Reliable Computing (Kluwer Acad. Publ.)
Special Issue on Applications to Control, Signals, and Systems

Much of modern engineering theory addresses problems involving uncertainty.
E.g., in control theory, a typical scenario begins with a system to be
controlled and a mathematical model of this system which depends on
uncertain quantities. This model thus involves various physical parameters
whose values may be specified only within given bounds. Besides these data
uncertainties, the designer is faced with another difficulty: Many problems
require a yes/no answer, e.g., stable/unstable. Even when an algorithm
designed to solve such a problem can find the correct result using real
arithmetic, it may fail to do so due to rounding errors when implemented on
a computer using floating point arithmetic. Interval methods appear as an
appropriate tool to cope with data uncertainties as well as with rounding
errors. However, designers are often confronted with a nonlinear uncertainty
structure which makes the problem considerably more difficult. E.g., after
massaging the study of the stability of some uncertain system into a
polynomial problem with coefficients depending on uncertain parameters,
these parameters generally enter into more than one coefficient of the
polynomial, and in many cases, these coefficients depend nonlinearly on the
uncertain parameters. In addition to the traditional domain of affine and
multiaffine uncertainty structure, recent advances have opened up potential new
application areas for reliable methods in communications, control, signal
processing, and related fields. The application-oriented special issue of
Reliable Computing is intended to provide a forum for the presentation of
advances in using reliable methods in these areas.
Contributions for this special issue should be sent as LaTeX file and as
hard copy to both of the following Guest Editors before July 31, 1998:

Juergen Garloff
Fachhochschule Konstanz
Fachbereich Informatik
Postfach 10 05 43
D--78405 Konstanz
Tel.: +49--7531--206--627 or --597
Fax: +49--7531--206--559


Eric Walter
Laboratoire des Signaux et Systemes
CNRS--Ecole Superieure d' Electricite
F--91192 Gif-sur-Yvette Cedex
Tel.: +33--1--69--85--17--21
Fax: +33--1--69--41--30--60

Manuscripts will be subjected to the usual reviewing process and should
conform to the standard formats as indicated in the "Aims and Scope" Section
inside the back cover of Reliable Computing. Contributions should not exceed
32 pages.


From: Linda Petzold <>
Date: Fri, 28 Nov 1997 12:18:09 -0800
Subject: Faculty Positions at UC Santa Barbara

Faculty Positions
Computational Science and Engineering
University of California, Santa Barbara

The College of Engineering at the University of California, Santa
Barbara is in the process of developing a multidisciplinary
college-wide program in Computational Science and Engineering
(CSE). An objective of the CSE program is to build strengths in the
core areas of numerical methods, algorithms and software tools for
scientific computation, high performance computing and communications,
and scientific visualization, as well as to establish collaborative
linkages in the applied areas of CSE such as computational fluid
dynamics, quantum computation, nanoelectronics, control systems,
computational materials, etc.

Applications are invited from outstanding candidates at all
levels. The College of Engineering is recruiting for a senior-level
position in the CSE program. In addition, an assistant professor
position in Computer Science is targeted at the core areas of CSE, and
a senior-level position Mechanical and Environmental Engineering is
directed at the applied area of computational fluid
dynamics. Multidepartmental appointments within the College of
Engineering are possible, in both the core and applied areas. Senior
candidates should have established an international reputation in an
area within the broad framework of the program, and a track record of
interdisciplinary collaboration. Junior candidates should have
outstanding research potential.

Please send a complete application consisting of a curriculum vita and
the names and addresses of at least four professional references to:
Search Committee in Computational Science and Engineering, Dean's
Office, College of Engineering, Engineering I Bldg., Room 1016,
University of California, Santa Barbara, CA 93106. Applications and
nominations will be received until the position is filled. UCSB is an
equal opportunity, affirmative action employer.


From: Bruce Long <>
Date: Tue, 25 Nov 1997 11:21:11 -0700
Subject: Visiting Positions at Arizona State University

The Department of Mathematics at Arizona State University expects to have
one or possibly two visiting positions for the Spring semester, 1998.
The visitor will have to teach 2 courses during the spring, most likely
including calculus. Expected salary is in the range 15-20K, dependent on
funding sources, and on current pending personnel decisions. We will
provide office space, computer facilities, and some relocation expenses
for travel within the US.

We recommend that applicants arrange for three external letters of
recommendation to be sent directly to the R. Renaut, Chair, Department of
Mathematics, Arizona State University, Tempe, AZ 85287-1804, email, fax 602-965-8119. Letters of application should be sent
as quickly as possible to R. Renaut, indicating that the applicant is
applying for a visiting position for Spring 98. Applications must include
a full vita, and a statement of research interests and teaching experience
is desirable. We hope to identify an appropriate individual(s) during the
first week of December. AA/EOE.


From: Karl Kunisch <>
Date: Wed, 26 Nov 1997 14:04:40 +0100
Subject: Position at University of Graz


At the Institute of Mathematics of the University of Graz, Austria,
a half-time assistentship (Vertragsassisent) position can be filled,
presumably by January 1, 1998.
The applicant must have a degree in mathematics.
She or he should have experience in numerical mathematics, partial
differential equations, the UNIX and DOS operating systems.
Applications should be sent to

Dekant der Naturwissenschaftlichen Fakultaet
Karl-Franzens Universitaet Graz
Universitaetsplatz 3
A-8010 Graz, Austria.

The deadline for applications is December 24, 1997.
Applicants should be citizens of an EU-member state.

It is planned that the research activities of the successfull candidate
are integrated into the

"Spezialforschungsbereich Optimierung und Kontrolle",

a research block grant that combines applied mathematicians and
practitioners. Additional financial support through the
Spezialforschungsbereich may be possible and will depend on the level of
experience of the applicant.

In case of question please contact Prof. Karl Kunisch at the address
given below.

Prof. Karl Kunisch Email
Institut fuer Mathematik Phone 43-(0)316 380-5162
University of Graz Fax 43-(0)316 380-9815
Heinrichstrasse 36
A-8010 Graz, Austria


From: Michael Breitner <>
Date: Wed, 26 Nov 1997 15:09:41 +0100 (NFT)
Subject: Research Position at Technical University Clausthal

Opportunity at Technical University Clausthal (Germany)

For our project

Real-time optimal control of large systems

we have an open position for a candidate with background in mathematics or
computer science (Master/Diploma required).

The successful candidate will design and implement algorithms for the
real-time optimal control of chemical reactions (large industrial models).
She / he is expected to have good programming skills, interest in optimal
control theory and differential games, background in numerical algorithms and
willingness to cooperate with other members of our research group. Knowledge
in neural networks, neuro-computing and / or chemical engineering would be a

The position is intended for work towards a PhD in an area relevant to the
project (mathematics or computer science). The salary is according to
Bat II/2, approximately 25000 DM per year plus benefits. The project starts
on January 1 or February 1, 1998, for two years (appointment renewable
dependent on funding).

Applications with curriculum vitae, photograph and a copy of the master's /
diploma thesis should be sent to the address

Prof. Dr. H. J. Pesch / Dr. M. H. Breitner
Keyword: Real-time optimal control of large systems
Institut fuer Mathematik
Technische Universitaet Clausthal
Erzstrasse 1
D-38678 Clausthal-Zellerfeld

Email: /


End of NA Digest