NA Digest Sunday, August 22, 1999 Volume 99 : Issue 33

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

Submissions for NA Digest:

Mail to

Information about NA-NET:

Mail to

URL for the World Wide Web:

From: Kesheng Wu <>
Date: Tue, 17 Aug 1999 16:10:50 -0700 ()
Subject: Request for Information on Parallel Iterative Solvers

We are conducting a search of available portable parallel iterative
solver packages. The packages of the greatest interests are those that
contain not only Krylov accelerators but also parallel matrix-vector
multiplication routines and preconditioning routines. So far, we have
gone through many well known software archives/listings, such as
NETLIB, NHSE and Jack Dongarra's listing, and have identified Aztec,
BlockSolve, ISIS++, P_SPARSLIB and PETSc to contain all these three
components. If you are aware of another package like these ones, we
would like very much to hear about it. Information about other similar
packages are also welcome.

Kesheng Wu, PhD National Energy Research Supercomputer Center
Lawrence Berkeley National Laboratory


From: Murakami Hiroshi <>
Date: Tue, 10 Aug 1999 04:34:31 +0900 (JST)
Subject: Jacobi Methods with Fast Pivot Search

I wrote a source code which demonstrates the "classical Jacobi method
with FAST PIVOT SEARCH". It is for educational interest. The method is
briefly explained in a Japanese text book "SAMPO-TSURON"(English meaning:
Course of Algorithms) from Tokyo Univ Press. It seems the topic is not
known outside of Japan.

The Jacobi method for the diagonalize the symmetric matrix is known to
good for small matrix. There are some Jacobi methods based on the different
strategy of the search of "pivot" of successive Jacobi rotations.
The historical one is the classical Jacobi method, and it is always said
the total computation is O(n^4) since the each pivot search costs O(n^2)
and dominates, and the threshold Jacobi method is mostly recommended instead
even the total number of rotations is minimal for the classical Jacobi.
However, the use of good search algorithm reduces the cost of each search
to O(n) and the diagonalization can be O(n^3) in average sense for the
classical Jacobi method also.

The URL is <>
To down-loaded the file manually, connect to the ftp server
using ftp. You have no need to login nor sending the e-mail address as the
password, since this server is "anon-ftp" based read-only ftp server.
The file is tar and gnu-zipped "fp-jacobi.tar.gz" (the size is 69kB).
It contains the postscript document and shar-bundled source code for most
UNIX clones. The source code contained will be placed into the public domain.

Murakami Hiroshi<>


From: Andrew Stuart <stuart@sccm.Stanford.EDU>
Date: Mon, 9 Aug 1999 12:17:29 -0700 (PDT)
Subject: Change of Address for Andrew Stuart

My new mail and e-mail addresses are as follows:

Andrew Stuart
Mathematics Institute
University of Warwick
Coventry CV4 7AL


From: Andre Weideman <weideman@MATH.ORST.EDU>
Date: Wed, 11 Aug 1999 17:13:37 -0700 (PDT)
Subject: A MATLAB Differentiation Matrix Suite

This is a software suite designed for MATLAB 5 consisting of seventeen
functions for solving differential equations by the spectral collocation
(a.k.a. pseudospectral) method. It includes functions for computing
differentiation matrices of arbitrary order corresponding to Chebyshev,
Hermite, Laguerre, Fourier, and sinc interpolants. It also includes
FFT-based routines for Fourier, Chebyshev and sinc differentiation.
Auxiliary functions are included for incorporating boundary conditions,
performing interpolation using barycentric formulas, and computing roots
of orthogonal polynomials.

In the accompanying paper it is demonstrated how to use the package for
solving eigenvalue, boundary value, and initial value problems arising
in the fields of special functions, quantum mechanics, nonlinear waves,
and hydrodynamic stability.

This suite plus the paper, which was submitted to the ACM's Transactions
on Mathematical Software, may be downloaded from

Comments can be sent to and/or

J.A.C. Weideman, S.C. Reddy


From: Jian P Shao <>
Date: Thu, 12 Aug 1999 10:15:45 -0700
Subject: New Book, Modeling and Computation of Boundary-Layer Flows

J. Cousteix and I are pleased to announce the availability of new book
entitled "Modeling and Computation of Boundary-Layer Flows : Laminar,
Turbulent, and Transitional Boundary Layers in Incompressible Flows "
published by Springer Verlag and Horizons Publishing.

This book is an introduction to computational fluid dynamics with
emphasis on the modeling and calculation of boundary-layer flows by
accurate and efficient numerical method. The subjects covered include
laminar, transitional and turbulent boundary layers for two- and
three-dimensional incompressible flows. The viscous-inviscid coupling
between the boundary layer and the inviscid flow is also addressed. A
large number of homework problems are included. A variety of readers
including undergraduate and graduate students, teachers and scientists
working in aerodynamics or hydrodynamics will gain a good understanding
of the principles and applications of boundary-layer flows and related
numerical methods.

1. Introduction
2. Conservation Equations for Mass Momentum
3. Boundary-Layer Equations
4. Two-Dimensional Laminar Flows
5. Boundary-Layer Program for External Flows
6. Transition in Two-Dimensional Flows
7. Stability-Transition Program for External Flows and Its Applications
8. Two-Dimensional Turbulent Flows
9. Three-Dimensional Steady and Unsteady Laminar and Turbulent Flows
10. Boundary-Layer Program for Three-Dimensional Flows
11. Transition in Three-Dimensional Flows
12. Interactive Boundary-Later Theory

Ordering Information:
email to
ISBN 0-9668461-0-9
Cost: $85, including shipping and handling fees.


From: Marcin Paprzycki <>
Date: Tue, 17 Aug 1999 00:07:33 -0500 (CDT)
Subject: Volume Dedicated to Ilio Galligani


In the series "Advances in Computation: Theory and Practice"
Nova Science Publishers, Inc.

Edited by L. Brugnano and D. Trigiante, University of Florence, Italy

The volume is intended to celebrate the 65-th birthday of Ilio Galligani,
one of the most prominent Italian numerical analysts. Over the years
Professor Galligani has been involved in research in a number of areas.
Among them, the major ones are:

1) modeling and numerical solution of differential problems,
2) optimization techniques for large scale problems,
3) approximation methods, signal processing and surface reconstruction,
4) numerical software.

For this reason, the book will collect selected papers in these areas,
describing both the current "state of the art" in the specific setting,
as well as the currently most active research directions. Work stemming
from Professor Galligani's research is particularly invited.

The contributions should be submitted electronically to either one of
the editors, at the following addresses: or,

Contributions must be prepared in LATEX, using the SIAM style macros. The
deadline for the submissions is November 15, 1999.


From: Jack Dongarra <>
Date: Fri, 20 Aug 1999 15:10:26 -0400
Subject: August 17th was Cleve Moler's 60th birthday

Cleve has been a great force in our community. He has made significant
contributions through his research, his books, professional activities
and teaching. He's had several outstanding students and he has always
taken a great interest in students.

And he has edited the Digest for many years and made it a welcome forum
for our community. But most importantly, he developed Matlab which has
made possible the development and understanding of numerical algorithms.
More than that, Matlab has been of fundamental importance in our
teaching of numerical analysis as well as many other areas of

Cleve has recently been recognized for his many contributions by being
elected to the (US) National Academy of Engineering and receiving an
honorary degree from Linkoping University. (We erroneously stated that
Cleve was elected to the Royal Swedish Academy of Engineering in the
message of 8/17/99.)

We'll be officially celebrating his birthday on October 9, outside of
Boston. (For details see: )

So here's to you, Cleve. You've done a magnificent job!

Gene Golub and Jack Dongarra

[Thanks. -- Cleve]


From: Wolfgang Joppich <>
Date: Mon, 9 Aug 1999 16:11:17 +0200
Subject: Multigrid Course in Germany

MG-Course at the GMD -- Introduction to Standard Methods

A multigrid course will be given at the GMD from
Friday 19.11.1999 to Sunday 21.11.1999.
For more information contact or look at the GMD
web-pages and go to News, upcoming events.
You may also view directly

Wolfgang Joppich, GMD-SCAI


From: Jose Castillo <>
Date: Mon, 9 Aug 1999 11:03:13 -0700 (PDT)
Subject: PanAmerican Workshop on Applied and Computational Mathematics

The Third PanAmerican Workshop on Applied and Computational Mathematics
(PWACM III) will be held in Chile, December 12-17, 1999. The Workshop will
emphasize applications of mathematics to industry, technology, science and
society. Proposals for mini-workshops, short talks, posters, and short
courses are solicited. See


From: Trini Flores <>
Date: Tue, 10 Aug 99 08:47:14 -0500
Subject: SIAM Conference on Materials Science

Third SIAM Conference on Mathematical Aspects of Materials Science
May 21-24, 2000
Crowne Plaza Hotel
Philadelphia, Pennsylvania

The Call for Papers for the conference is now available on the Web. To
obtain additional information, please visit:

or contact
SIAM, 3600 University City Science Center, Philadelphia, PA 19104-2688
Phone: 215-382-9800
Fax: 215-386-7999


From: Darrell Ross <>
Date: Mon, 16 Aug 99 16:03:06 -0500
Subject: SIAM Conference on Numerical Combustion

Eighth International Conference on Numerical Combustion March 5-8, 2000
Amelia Inn and Beach Club
Amelia Island, Florida

SEPTEMBER 1, 1999 -- Deadline for submission of minisymposium
proposals and minisymposium speakers' abstracts

SEPTEMBER 15, 1999 - Deadline for submission of contributed
abstracts for lecture or poster

To obtain information on electronic submissions, please visit now the
conference Web page at:


From: Ilse Ipsen <>
Date: Fri, 13 Aug 1999 15:29:12 -0400
Subject: SIAM Conference on Linear Algebra

Linear Algebra 2000
Seventh SIAM Conference on Linear Algebra

in cooperation with the
International Linear Algebra Society (ILAS)

Raleigh, North Carolina, USA
23-25 October 2000

Further information will be available soon.


From: Earl Latiolais <>
Date: Tue, 10 Aug 1999 13:20:12 PDT
Subject: Conference in Bermuda on Mathematics in Business

Title: "The Future of Mathematics in Business"
Date: October 20-22, 1999
Venue: Bermuda Underwater Exploration Institute, Hamilton, BERMUDA
Chair: Garth Baker, Ph.D.


Hans Buhlmann, ETH, Zurich
John Burville, Ace Ltd., Bermuda
John Casti, Santa Fe Institute
Emanuel Derman, Goldman Sachs & Co.
David Ezekiel, International Advisory Services
Svend-Holger Friis, KPMG, London
David C. Heath, Carnegie Mellon University
John C. Hull, University of Toronto
Robert A. Jarrow, Cornell University
Ronald Layard-Liesching, Pareto Partners
Anthony Michaels, University of Southern California
Dirk-Jens Nonnenmacher, Dresdner Bank AG
Stephen A. Ross, MIT, Cambridge
Prakash Shimpi, Swiss Re New Markets
James Stanard, RenaissanceRe Holdings Ltd.
Paul Wilmot, Oxford University

Conference Web Site:

A series of lectures, workshops and panel discussions,
aimed at providing an overview of, and insight into, how
mathematical models are being used in business, particularly
in the Insurance, ReInsurance and Financial Services Industries.

Presentations by some of the world's experts will be
taylored for wide audiences, including non mathematicians,
and will discuss both the benefits as well as the limitations
of mathematical modelling.

Contact Executive Choice Limited
Address Suite 900
48 Par-La-Ville Road
Hamilton, HM-11 BERMUDA
Phone 441-292-3170
F A X 441-292-1046


From: Peter Minev <>
Date: Tue, 17 Aug 1999 09:07:57 -0600 (MDT)
Subject: Workshop in Alberta on Scientific Computing

Second international Workshop on Scientific Computing and Applications.
Organizers: P. Minev, Y. Lin.

Place: Kananaskis, Alberta, Canada. This former Olympic resort is
situated in the beautiful Canadian Rockies, near the picturesque town of
Banff. The Calgary Airport is the nearest international airport.

Date: May 28 - June 1, 2000.

Goals: The second International Workshop on Scientific Computing and
Applications is intended to continue the tradition of the highly
successful workshop held at the City University of Hong Kong in December
1998. The aim is to bring together mathematicians, scientists and
engineers working in the field of scientific computing and its
applications to solve scientific and industrially oriented problems and to
provide a forum for the participants to meet and exchange ideas of common
interest in an informal atmosphere. The goal of the workshop will be
twofold. On one hand it will focus on the fundamental methods and
algorithms for solving PDE's and linear systems of equations. On
the other hand, it will try to attract the attention of the industrial
community to present and discuss the applications of scientific computing
in practical problems. The theoretical topics of interest are (but not
limited to):
Finite Element, Finite Volume Element and Finite Volume Methods for
partial differential equations, splitting techniques and stabilized
methods, iterative solvers and preconditioning techniques for large scale
systems, methods for systems with a special structure, parallel
algorithms and performance analysis.
The applications will be focussed on numerical simulations in the oil and
chemical industries, aerodynamics and environmental studies.

Invited lecturers:

Dr. R. Ewing (Texas A&M, confirmed)
Dr. R. Lazarov (Texas A&M, confirmed),
Dr. O. Axelsson (Catholic University of Nijmegen, The Netherlands, confirmed),
Dr. P. Gresho (Lawrence Livermore Lab, confirmed)
Dr. M. Fortin (Universite Laval, confirmed)
Dr. K. Y. Fung (Hong Kong Polytechnic, confirmed)
Dr. Zhong-Ci Shi (Academia Sinica)
Dr. B. Lee (NRC, Ottawa, confirmed)
Dr. W. Alegretto (University of Alberta, confirmed)
Dr. S.L. Lyons (Mobil Technology)
Dr. W. Sun (City University of HK, confirmed)

The workshop is intended to be a meeting place for researchers in both
the academic and industrial community. The organizing committee will also
make efforts to insure limited funding to students from Canada
to attend the workshop. For them this will be both a place to learn the
state of the art techniques used in the scientific computation and to
search for a job. The audience is estimated to about 80 people.

For more information, please attend the web-site:
or contact:

Peter D. Minev Phone(office): 780 492 3398
Department of Mathematical Sciences Phone(home): 780 435 6071
University of Alberta Fax: 780 492 6826
Edmonton, Alberta E-mail:
Canada T6G 2G1


Yanping Lin Phone(office): 780 492 7880
Department of Mathematical Sciences Phone(home): 780 434 6127
University of Alberta Fax: 780 492 6826
Edmonton, Alberta E-mail:
Canada T6G 2G1


From: Jerzy Wasniewski <>
Date: Thu, 19 Aug 1999 14:02:01 +0200 (CEST)
Subject: Workshop in Denmark on Linear Algebra With Recursive Algorithms

One Day Workshop on Linear Algebra With Recursive Algorithms (LAWRA) at
Lyngby, Denmark is organized, December 3, 1999.
The speakers are:
(@) Bjarne Stig Andersen, Danish Computing Centre (UNI-C)
(@) Claus Bendtsen, Danish Computing Centre (UNI-C)
(@) Jack Dongarra, University of Tennessee and Oak Ridge National lab.
(@) Fred Gustavson, IBM T.J. Watson Research Center
(@) Bo Kagstrom, Umea University
(@) Carl Tengwall, IBM of Sweden
(@) Sivan Toledo, Tel-Aviv University
(@) Jerzy Wasniewski, Danish Computing Centre (UNI-C)
(@) Plamen Yalamov, UNI-C and Rousse University

More information on LAWRA and Workshop you can get from, and
from Jerzy Wasniewski, UNI-C, DTU, Building 304, DK-2800 Lyngby, Denmark
tel: (+45) 35 87 89 67, fax: (+45) 35 87 89 90


From: Dave Sloan <>
Date: 13 Aug 1999 15:22:02 +0100
Subject: Centre for Mathematical and Computational Science in Medicine


The Universities of Glasgow and Strathclyde have recently been supported by
the Scottish Higher Education Funding Council for a period of three years
to establish a Centre for Mathematical and Computational Science in Medicine.
This exciting development offers the opportunity to interested individuals
to work in an interdisciplinary environment with the aim of developing
mathematically and/or computationally based solutions/models for a number of
medical problems. It is intended that the centre will produce a steady stream
of products for transfer to the Scottish Healthcare Sector.

Applications are invited for the following vacancies that have arisen as
a result of this award.

(A) Director

An experienced individual, possibly though not necessarily medically qualified
but certainly with a good knowledge of the medical environment, is required
to head the centre. A dynamic person with the ability to manage post-doctoral
staff, to liaise with industry and generally to further the aims of the centre,
is sought. The starting salary would be 31,563 pounds. Prospective
applicants may, if they wish, contact Professor P.W. Macfarlane, Department
of Medical Cardiology, Glasgow Royal Infirmary at +44 141 211 5082 to discuss
the vacancy.

(B) Research Assistants

There are six vacancies for research assistants. A variety of projects is
initially envisaged including work on cardiovascular risk markers, a
computational framework for analysis of inherited disorders, information
management for clinical trials, an anaesthesia monitor, knowledge discovery
and databases, pocket sized clinical information tools and neuroimaging.
Applicants will ideally have, or shortly expect to obtain, a Ph.D. in the
area of Mathematics, Statistics or Computing Science. Applications from
individuals with a good honours degree and relevant postgraduate experience
would also be considered. Salary will be on the research staff scales
(Grade 1A - 16,286 pounds to 24,479 pounds).

Further details of the centre can be found at the following URL;

Applications, including the names of 2 referees, should be sent to
Professor P.W. Macfarlane
Department of Medical Cardiology
Royal Infirmary
Glasgow G31 2ER
Professor S. McKee
Department of Mathematics
University of Strathclyde
Glasgow G1 1XH.


From: Heinz Engl <>
Date: Wed, 11 Aug 1999 10:18:21 +0200
Subject: Positions at Software Competence Center, Hagenberg, Austria

Software Competence Center Hagenberg, Austria

Call for Applications of Area Manager and other Personnel
in Industrial Mathematics

The Software Competence Center Hagenberg invites applications for several
positions (software engineers, project managers, area managers). The positions
require at least a master's degree (Dipl.-Ing. in Austrian terminology)
in applied mathematics, software engineering, computer science, computer
engineering, or a closely related area. Software development experience
in at least one of the areas mentioned below is expected.

The Software Competence Center Hagenberg (SCCH) is a competence center in the
sense of the Kplus program of the Austrian Federal Government with an annual
budget of around 4million US$. The SCCH is a cooperation of five institutes
of the Johannes Kepler University in Linz (among them the Industrial
Mathematics Institute), two branches of the Polytechnic University (FHS)
in Hagenberg, and 15 companies working in various areas of software. The SCCH
has started its work at the beginning of July 1999. It is located at
Hagenberg (near Linz) in a lovely area of Upper Austria.

The goal of the SCCH is to pool competence in the areas
- software technology
- data base technology
- symbolic computation
- numerical computation
- knowledge based technology
by performing industrial and strategic research projects. The work in each of
these areas is coordinated and controlled by an area manager under the guidance
of a "key researcher".

This advertisement is specifically geared at recruiting personnel in the
industrial-mathematics-branch of the SCCH; for these positions, experience
in mathematical modelling and broad knowledge of numerical mathematics are
required. For the position of area manager, a PhD would be expected.

Salary is commensurate with experience and qualifications.
Applications, including a curriculum vitae and a statement
detailing experiences and research interests should be sent to:

Dr. Klaus Pirklbauer
Software Competence Center Hagenberg
Hauptstrasse 99
A-4232 Hagenberg

Informal enquiries may also be directed to the "key researcher"
of the industrial mathematics branch, Prof.Heinz W. Engl,

Applications will be accepted until the positions are filled.


From: Heinz Engl <>
Date: Wed, 18 Aug 1999 09:35:08 +0200
Subject: Positions at Industrial Mathematics Competence Center, Linz, Austria

The 'Industrial Mathematics Competence Center' is a young and growing
institution with the aim of developing mathematical methods and tools for the
application in industry and business. It is located at the 'Institute for
Industrial Mathematics' at the University of Linz (Austria).

For the Systems Identification Branch, we are looking for graduates in
mathematics or a closely related field to be included in our scientific
staff as soon as possible. Your activities will consist of the development
and application of time-series- and system-identification- methods for the
analysis and prediction of business data. The methods are developed for
specific applications but should be applicable also in a more general context.
The fields of application range from logistics to marketing.

You will have to deal with a great variety of different problems and will have
to show a high sense of responsibility, while working in our young team. In
case you have not attained a PhD and do want to achieve this degree in a
subject related to the work, this will be a good occasion.

We expect your ability to work in a scientific context, excellent skills
corresponding to communication and team-work, and of course commitment and
dedication to the job.

Please submit your application including an indication of your idea of an
appropriate salary and the earliest possible date of employment to:

Prof. Dr. Manfred Deistler,
Institute f. Econometrics, Operations Research and System Theory,
TU Wien, Argentinierstr. 8, A-1040 Wien, Austria.


From: Evans Harrell <>
Date: Thu, 19 Aug 1999 14:17:17 -0400 (EDT)
Subject: Faculty Positions at Georgia Institute of Technology


The School of Mathematics expects to have visiting and tenure-track positions
at various levels beginning Fall 2000 and will consider applications in Pure
and Applied Mathematics and Statistics. The School intends to expand its areas
of expertise and foresees the potential for 10-15 new appointments in the next
5 years. Candidates with strong research and teaching records or potential
should arrange for a resume, at least three letters of reference, and a summary
of future research plans to be sent to The Hiring Committee, School of
Mathematics, Georgia Institute of Technology, Atlanta, GA 30332-0160 USA.
Georgia Tech, an institution of the University System of Georgia, is an Equal
opportunity/Affirmative Action Employer.


From: Glenn R Luecke <>
Date: Thu, 12 Aug 1999 16:34:45 -0500
Subject: Research Position at Iowa State University

Job Opening: Research Scientist at Iowa State University

A permanent, full-time position is available in the High Performance Computing
(HPC) Group in the academic computing center at Iowa State University. Iowa
State University is known for its leading-edge research faculty who utilize the
local Silicon Graphics Origin 2000 as well as off-campus HPC facilities for
their research. Iowa State University=92s academic computing center is
centrally funded and growing, has many partnerships with other campus
groups/units, and has an active HPC Partnership with research faculty.

The person filling this position will be responsible for: conducting research
for externally funded projects relating to HPC, assisting faculty and students
to efficiently utilize both on-campus and off-campus HPC facilities, providing
training and short courses in topics related to HPC, and participating in
research seminars and conferences.

Applicants must be creative, self-motivated, a team player, and have a strong
professional interest in high performance computing. Applicants must also be
able to carry out independent research and communicate with researchers in a
variety of fields. A PhD in a technical area (or equivalent work experience)
and experience in the area of high performance computing is required. A
working knowledge of either Fortran or C is also required. Salary is dependent
on qualifications and experience.

For more information, see and or contact
Professor Glenn Luecke at or by phone at 515-294-6659.

Applications will be accepted until September 1, 1999 or until the position has
been filled. The successful candidate may begin working immediately.

Send your resume to Professor Glenn Luecke,, 291 Durham
Center, Iowa State University, Ames, IA 50011-2251, USA, or via Fax at
515-294-1717. Your resume should include a description of your experience
with parallel computing, use of performance and debugging tools, and your
experience with high performance computing. Your resume should also include
the names, phone numbers and email addresses of at least four references.

Please ask your references to address the job qualifications mentioned above
and to fax or email their letters directly to Professor Luecke.


From: Mark Ainsworth <>
Date: Sat, 14 Aug 1999 12:52:24 -0500
Subject: Research Position at University of Strathclyde

Department of Mathematics, University of Strathclyde, Glasgow, Scotland.
Research Fellow in Adaptive Finite Element Methods

Applications are invited for this 17 month EPSRC funded post which will involve
both computational and theoretical work on adaptive finite element methods,
particularly a posteriori error estimation and self-adaptive solution
algorithms for elliptic problems.

Candidates should have experience with the coding and theory of finite element
methods and have or be completing, a PhD in a relevant area. Salary range:
Lower end of the range 15,735-20,107 per annum. Start date: 1st October 1999
or as soon as possible thereafter.

Specific questions should be sent to: Mark Ainsworth,,
while general details regarding the department and university may be found at

Applications (in the form of complete CV including for two referees) should
be sent to M. Ainsworth, Mathematics Department, Strathclyde University,
Glasgow G1 1XH, Scotland. Written conditions of service may be obtained
(quoting reference R38/99) from the Personnel Office, University of
Strathclyde, Glasgow, G1 1QX. Tel 0141 553 4133 (24 hour Voicemail Service).


From: Andrea Piacentini <>
Date: Thu, 19 Aug 1999 12:47:00 +0200 (MDT)
Subject: Research Position at CERFACS


Climate Modelling and Global Change

Position description:
the Climate Modelling and Global Change team at CERFACS has a research
engineer position available in the field of data assimilation in oceanic
models. This position is open in the framework of the MERCATOR project
which aims to implement an operational oceanic monitoring system.
The team looks for a highly qualified and motivated candidate with strong
experience in scientific computing.
The recruited research engineer will join the MERCATOR/PALM group which is
developing PALM, a universal software coupling data and models through
various assimilation methods on parallel platforms. The position focuses
on the development of high performance communication and synchronization
mechanisms with strong emphasis on modularity, portability and user-friendly
usage. The recruited research engineer will also interact with the
MERCATOR/SYSTEM group which takes care of the operational system and
the CERFACS/Parallel Algorithms which contributes to the implementation
of the linear solvers and minimizers used within PALM.

Required qualifications:
experience in operational large scale computing systems and thorough
knowledge of message passing, parallel computing or high performance
computing are required. Familiarity with the main programming languages
(C, C++, F77, F90, shell, Tcl/Tk, perl) and development tools
(versioning control, debuggers, performance analysis, source browsers)
is also necessary.

Additional qualifications:
experience with data assimilation methods and ocean or atmospheric general
circulation models will be taken into account.

Opening of the position:
the appointment is expected to be made by November 1, 1999,
or as mutually acceptable subject to position clearances.
Initial appointment is for one year, renewable for one year.
Salary will be commensurate with qualifications and experience.
For more information

for full consideration, an application letter including a detailed
statement of research interest, along with a curriculum vitae and, if
possible, reference letters, should be submitted as soon as possible to

Prof. O. Thual, Climate Modelling Global Change team
CERFACS, 42 Av. Coriolis, F-31057 Toulouse, France

Contacts can be taken at the following adresses:

Olivier Thual, E-mail:
Tel: (33) 5 61 19 30 70, Fax: (33) 5 61 19 30 00

Andrea Piacentini , E-mail:
Tel: (33) 5 61 19 30 49, Fax: (33) 5 61 19 30 00


From: Kazufumi Ito <>
Date: Thu, 19 Aug 1999 13:01:32 -0400
Subject: Postdoctoral Position at North Carolina State University

Postdoctoral Position at North Carolina State University

The Dept. of Mathematics and Center for Research in Scientific Computation
have a new post-doctoral position available. The position is available for
an individual with a background in Control and Estimation. We will be
considering finite-dimensional systems with stochastic and/or game-theoretic
disturbances. We will be developing software based on our mathematical
analysis. Consequently, the individual should have experience in algorithm
and software development as well as a strong theoretical background. Strong
communications skills are also desired. The person would need to be
available to start sometime between September 1999 and January 2000.

Interested applicants should send their curriculum vitae and
three letters of reference to:
Prof. William M. McEneaney
Dept. of Mathematics
North Carolina State University
Raleigh, NC 27695-8205


Prof. Kazufumi Ito
Dept. of Mathematics
North Carolina State University
Raleigh, NC 27695-8205

NCSU in an AA/EOE. In its commitment to diversity and equity,
NCSU seeks applications from women, minorities, and the disabled.


From: Rosie Renaut <>
Date: Fri, 20 Aug 1999 12:05:30 -0700
Subject: Postdoctoral Position at Arizona State University

We invite applications for a postdoctoral research fellow with a
joint position in the Departments of Mathematics and Computer
Science. The position, which is funded under the Computerized Brain
Imaging Project in conjunction with the Arizona Alzheimer's Disease
Research Center, is open immediately and is initially funded until
June 30, 2000. Extension of the appointment is contingent on renewed

The successful candidate will collaborate with a research team of
faculty and graduate students from the departments of Computer
Science and Mathematics on the development of high performance serial
and parallel numerical algorithms for neuro-imaging studies.

All candidates must have a recent doctoral degree in mathematics,
computer science, computational science, or closely related area with
an emphasis in computational mathematics and evidence of strong
proficiency in high-level programming in a Unix environment.
Experience in the design and implementation of algorithms for image
deformation, segmentation or other specialized image-processing
applications for bio-medical imaging studies is desired. Familiarity
with parallel algorithms and architectures as well as a strong
working knowledge of C and/or Fortran is also desirable.

Additional information about this position can be obtained by
contacting Professor Renaut,, Professor Farin, or Professor Chen, kchen@IMAP1.ASU.EDU.

Applicants must send their full curriculum vita including a list of
publications, a list of three referees and a statement addressing
their research interests and agenda to:
Computational Math Postdoctoral Fellow
Attn : Professor Rosemary Renaut, Chair
Department of Mathematics
Box 871804
Arizona State University
Tempe, AZ 85287-1804

Application Deadline: Review of the applications will begin on
September 1, 1999 and will continue weekly until the position is filled.


From: Prabir Daripa <>
Date: Fri, 20 Aug 1999 16:10:18 -0500 (CDT)
Subject: Postdoctoral Position at Texas A&M

Send your responses to:

Applications are invited for one postdoctoral position with
Dr. Prabir Daripa in the Institute of Scientific Computation
and Mathematics Dept. at Texas A&M University.

The project is in the area of scientific computation and requires knowldge of
solving partial differential equations using numerical methods.
Implementation of fast algorithms on serial as well as parallel machines will
be required. Knowledge of computational fluid dynamics is also desirable.
The applicant for this project must have expertise in computations and
developing codes on serial and parallel machines. Strong proficiency in
programming using C in a Unix environment is a must.

The position is open immediately and is initially for 10-12 month period with
full time research. Appointment may be extended further depending upon
performance and the funding situation. A recent Ph.D. in computer
science/numerical mathematics/computational science is required.
Post-Ph.D experience in a research environment is a plus.

Applications should be in the form of a full curriculum vitae together with
the names of three referees and copies of relevant publications.
They should be sent either by e-mail at the address

or by airmail to:

Prabir Daripa
Department of Mathematics
Texas A&M University
College Station
Texas 77843-3368

Phone (409) 845-1204
Fax (409) 862-4190

Texas A&M University is an Equal Opportunity Employer.


From: Thomas Hogan <>
Date: Sun, 8 Aug 1999 21:06:35 -0400 (EDT)
Subject: Contents, Journal of Approximation Theory

Table of Contents: J. Approx. Theory, Volume 99, Number 2, August 1999

K. Scherer and A. Yu. Shadrin
New upper bound for the B-spline basis condition number. II. A proof
of de Boor's $2^k$-conjecture.

Amiran Ambroladze and Hans Wallin
Balayage and convergence of rational interpolants

Aurelian Bejancu, Jr
Local accuracy for radial basis function interpolation on finite uniform grids

Vilmos Totik
Weighted polynomial approximation for weights with slowly varying
extremal density

Antonio Attalienti
Generalized Bernstein-Durrmeyer operators and the associated limit semigroup

W. L. F. Degen
Approximation of parametric surfaces

D. H. Armitage
An entire holomorphic function associated to an entire harmonic function

S. A. de Swardt and J. M. de Villiers
Peano kernel error analysis for quadratic nodal spline interpolation

Bernhard Beckermann
On the convergence of bounded $J$-fractions on the resolvent set of the
corresponding second order difference operator

M. G. Pleshakov
Comonotone Jackson's inequality

Author index for Volume 99


From: SibJNM <>
Date: Tue, 17 Aug 1999 10:56:03 +0600
Subject: Contents, Siberian Journal of Numerical Mathematics

CONTENTS, Siberian Journal of Numerical Mathematics
Volume 2, No. 2 1999

For information to contributors and about subscriptions

I.I. Belinskaya
The solution to direct and inverse problems for oscillation's
equation with Monte Carlo methods
(in Russian), pp.99-110

A.V. Voytishek
Using the Strang-Fix approximation
for Monte Carlo calculating of multiple integrals
(in Russian), pp.111-122

B.S. Jovanovic, P.P. Matus, and V.S. Shchehlik
The rates of convergence of the finite difference schemes on
nonuniform meshes for parabolic equation with variable
coefficients and weak solutions
(in Russian), pp.123-136

A.L. Karchevsky
Behavior of the misfit functional for a one-dimensional hyperbolic
inverse problem
(in Russian), pp.137-160

Yu.I. Kuznetsov
Complement of Jacobi matrix
(in Russian), pp.161-170

V.A. Rukavishnikov, E.V. Kashuba
On the properties of an orthonormalized singular polynomials set
(in English), pp.171-184

Kh.M. Shadimetov
Weight optimal cubature formulas in Sobolev's periodic space
(in Russian), pp.185-196


From: Baltzer Science Publishers <>
Date: Tue, 17 Aug 1999 14:38:18 +0200
Subject: Contents, Computational Geosciences

Computational Geosciences 3 (1999) 2

Clint Dawson and Vadym Aizinger
Upwind-mixed methods for transport equations 93-110

P.J. Oonincx
A wavelet method for detecting S-waves in seismic data 111-134

S.V. Pennington, P.K. Jimack and K. McFarlane
Adaptive numerical simulation of the remediation of soil contamination by
in-situ gas venting 135-160

Philippe Tardy and Michel Quintard
Solving stiff mass transfers in compositional multiphase flow models:
Numerical stability and spurious solutions 161-183


From: Hans Schneider <>
Date: Thu, 19 Aug 1999 09:16:05 -0500 (CDT)
Subject: Contents, Linear Algebra and Its Applications

Journal: Linear Algebra and Its Applications
ISSN : 0024-3795
Volume : 296
Issue : 1-3
Date : 14-Sep-1999

pp 1-14
On the generalized algebraic riccati equation for continous-time
descriptor systems
A Kawamoto

pp 15-25
Characterizing line graphs by star complements
FK Bell

pp 27-38
LMI characterization of structural and robust stability: the discrete-time case
MC De Oliveira, JC Geromel

pp 39-77
Minimum norm regularization of discriptor systems by mixed output feedback
D Chu, V Mehrmann

pp 79-98
An algorithm for symmetrioc generalized inverse eigenvalue problems

pp 99-112
Matrix semigroup homomorphisms from dimension two to three
D Kokol-Bukovsek

pp 113-142
Multiparameter descent methods
C Brezinski

pp 143-151
The geometrical meaning of the Kontorovich-Wielandt inequalities
K Gustafson

pp 153-170
On group inverses of m-matrices with uniform diagonal entries
S Kirkland, M Neumann

pp 171-181
A matrix version of the wielandt inequality and its applications to statistics
SG Wang, WC Ip

pp 183-189
On duality principle in osserman mainfolds

pp 191-211
Error bounds for the arnoldi method: a set of extreme eigenpairs
L Knizhnerman

pp 213-225
Unitary solutions of the equation cu + u*c = 2d
M Dobovisek

pp 227-232
Sharp lower bounds of the least eigenvalue of planar graphs

pp 233-243
Permutation polynomials on symmetric matrices
TC Teitloff

pp 245-257
On sign inconsistent linear systems
JY Shao

pp 259-259
Author index


End of NA Digest