NA Digest Sunday, April 30, 1995 Volume 95 : Issue 18

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

Submissions for NA Digest:

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Information about NA-NET:

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URL for the World Wide Web: -------------------------------------------------------

From: NA Digest <>
Date: Sun Apr 30 10:54:37 EDT 1995
Subject: NA Digest Calendar

NA Digest Calendar
Date Topic Place NA Digest #

May 5 SE German Colloquium on Numerical Math. Chemnitz, Germany 18
May 9-12 Agriculture & Bio-Industries Brussels, Belgium 42
May 12 Southern Ontario NA Day Waterloo, Canada 16
May 12 Systems, Control and Computation Reading, UK 17
May 14-17 Homogenization Theories Mierki, Poland 05
May 15-19 Graphics Interface '95 Quebec City, Canada 36
May 16-20 Domain Decomposition Methods Beijing, China 45
May 16-20 Applied Computer Algebra Albuquerque, NM 46
May 21-24 Object-Oriented Numerics Conference Jackson Lake, WY 32
May 21-26 Centenial Hurwitz on Stability Theory MonteVerita,Switzerland49
May 22-24 Interdisciplinary Inversion Conference Aarhus, Denmark 18
May 22-26 Flow through Porous Media Saint-Etienne, France 48
May 29... Haifa Matrix Theory Conference Haifa, Israel 05
May 29-31 Diffraction St.Petersburg, Russia 04
May 31... Method of Lines Workshop Lexington, KY 17

June 1- 3 ABS Methods Beijing, China 04
June 5- 9 Spectral And High Order Methods Houston, TX 44
June 5- 9 Control and Information Shatin NT, Hong Kong 33
June 6-10 Inertial Manifolds Xi'an, China 18
June 12-16 Parallel Numerical Linear Algebra San Francisco, CA 11
June 13-21 Nonlinear Optimization Erice, Sicily, Italy 11
June 17-20 IMACS Symposium on Iterative Methods Blagoevgrad, Bulgaria 17
June 17-20 Iterative Methods in Linear Algebra Blagoevgrad, Bulgaria 39
June 19-22 Intertial Manifolds Xi'an, China 04
June 19-20 Symposium in Honor of Herb Keller Pasadena, CA 18
June 20-24 Honoring G. I. Marchuk Novosibirsk, Russia 28
June 21-24 Interface Computing and Statistics Pittsburgh, PA 50
June 22-23 MPI Developers Conference Notre Dame, IN 16
June 22-23 Software for Nonlinear Optimization Capri, Italy 15
June 22-29 Finite Element Approximations St.-Petersburg, Russia 46
June 26-27 Stockholm Optimization Days Stockholm, Sweden 06
June 26-30 Systems Analysis and Simulation Berlin, Germany 50
June 26... Mechanics of Continuous Media St.Peterbourg, Russia 01
June 27-30 Numerical Analysis Dundee, Scotland 17
June 28-30 DSS/2 User Group Mons, Belgium 18

July 3- 7 Computational Techniques Melbourne, Australia 10
July 3- 7 ICIAM, Int'l Cong. Indust. Appl. Math. Hamburg, Germany 23
July 3- 7 Mathematics of Neural Networks Oxford, UK 48
July 9-12 Error Bounds for Numerical Algorithms Oldenburg, Germany 05
July 9-13 Conjugate Gradient Methods Seattle, WA 10
July 9-14 Ill-posed Inverse Problems San Diego, CA 48
July 9-14 Math Methods in Geophysical Imaging San Diego, CA 51
July 10-12 Linear Algebra and Its Applications Manchester, UK 11
July 10-12 South African N.A. Symposium Scottburgh, So. Africa 52
July 10-14 Computational Mathematics Shushenskoe, Siberia 11
July 15-16 Matrix Methods for Statistics Montreal, Quebec 09
July 10-21 Nonlinear Waves Sapporo, Japan 43
July 16... Mathematics of Numerical Analysis Park City, UT 11
July 17-18 Identification and Optimization Prague, Czech. 12
July 17-19 Boundary Element Techniques Madison, WI 04
July 17-21 Distributed Parameter Systems Warsaw, Poland 25
July 17-21 Modelling and Optimization Warsaw, Poland 32
July 31... Rocky Mountain Numerical Analysis Salt Lake City, UT 32
July 31... Summer School Jyvaskyla, Finland 11

Aug. 2- 4 Computer Methods in Water Resources Beirut, Lebanon 50
Aug. 7-16 Industrial Mathematics Modeling Raleigh, NC 12
Aug. 16-19 International Linear Algebra Society Atlanta, GA 07
Aug. 19-22 Operations Research Beijing, China 05
Aug. 21-23 Workshop on Conservation Laws Trondheim, Norway 44
Aug. 21-24 Applied Parallel Computing Lyngby, Denmark 15
Aug. 23-27 Biology, Ecology and Medicine Sofia, Bulgaria 09
Aug. 24-29 Differential Equations Rousse, Bulgaria 06
Aug. 27-31 Circuit Theory and Design Istanbul, Turkey 42
Aug. 28-30 European Simulation Meeting Gyor, Hungary 07
Aug. 28... Computational and Applied Mathematics Curitiba, Brazil 03
Aug. 29... Parallel Statistics and Economics Trier-Mainz, Germany 41

Sep. 5-14 Computing Techniques in Physics Skalsky dvur, Czech. 08
Sep. 12-15 Parallel Computing in Russia St.-Petersburg, Russia 45
Sep. 17-21 Acoustics of Submerged Structures Boston, MA 22
Sep. 18-22 European Conference on Numerical Math. Paris, France 18
Sep. 23 Pacific NorthWest Numerical Analysis Bellingham, WA 15
Sep. 26-29 Scientific Computing, Validated Numerics Wuppertal, Germany 16
Sep. 26... Cerfacs Linear Algebra Year Toulouse, France 15
Sep. 27-30 Mathematical Tools in Metrology Oxford, UK 51

Oct. 9-15 Cubature Formulae Krasnoyarsk, Russia 08
Oct. 13-14 Differential Equations Raleigh, NC 08
Oct. 15-19 Parallel Algorithms Wuhan, China 08
Oct. 16-18 1995 MATLAB Conference Cambridge, MA 12
Oct. 20-22 South-Central Student Conference Houston, TX 18
Oct. 23-26 SIAM Annual Meeting Charlotte, NC 05

Nov. 1- 4 Complementarity Problems Baltimore, MD 05
Nov. 6- 9 Geometric Design Nashville, TN 04
Nov. 15-17 Simulation of Devices and Technologies Kruger, South Africa 01
Nov. 19-22 Pure and Applied Mathematics Isa Town, Bahrain 38

Dec. 10-14 Global Optimization Szeged, Hungary 10
Dec. 14-16 Dynamical Systems/Numerical Analysis Atlanta, GA 49
Dec. 14-20 Winter School on Iterative Methods Hong Kong 09

Jan. 28-30 Discrete Algorithms Atlanta, GA 10
Feb. 12-14 Network Optimization Problems Gainesville, FL 47
Apr. 1- 4 State of the Art in Numerical Analysis York, England 06
May 21-24 Graphics Interface Conference Toronto, Canada 18
June 13-15 Algebraic Multilevel Iteration Methods Nijmegen, Netherlands 11
June 17-21 Householder XIII Symposium Pontresina,Switzerland 44
July 8-12 Prague Mathematical Conference Prague, Czech Rep. 03
July 15-19 Computational Mechanics Miskolc, Hungary 10
July 27-30 Conference Honoring Mike Powell Cambridge, England 48
Aug. 25-31 Congress Theor. & Appl. Mechanics Kyoto, Japan 46
Sep. 2- 5 Nonlinear Programming Beijing, China 18


From: Gene Golub <golub@sccm.Stanford.EDU>
Date: Sat, 29 Apr 95 22:57:35 PDT
Subject: National Academy of Sciences

Congratulations to Persi Diaconnis, Charles Peskin and C R Rao on their
recent election to the National Academy of Sciences.

Gene Golub


From: Giles Auchmuty <>
Date: Thu, 27 Apr 1995 12:21:15 -0500 (CDT)
Subject: Richard Sinkhorn

We are sorry to say that Richard D. Sinkhorn, who was well known for his
work in linear algebra and matrix theory, passed away in Houston on April 8th,
1995 following a stroke.

Richard received his Ph.D. degree in 1962 from the University of
Wisconsin, Madison and then joined the Mathematics department of the University
of Houston. At UH, he quickly became a full Professor and supervised 11 Ph.D.
theses as well as many Masters students. In 1985 he was voted Top Professor by
the University Mortar Board Society, (a student organization) and received the
College Teaching Excellence Award in 1992 from the College of Natural Science
and Mathematics.

He leaves a sister, two step-daughters and their children as well as
many friends and admirers. He was a very kind person and will be missed.

Giles Auchmuty and Mike Friedberg
Mathematics Department, U. of Houston. and


From: Panayot S. Vassilevski <panayot@iscbg>
Date: Sat, 29 Apr 95 10:28:26 +0300
Subject: E-mail Address of IMACS Symposium in Bulgaria

2nd IMACS Symposium on Iterative Methods in Linear Algebra,
Blagoevgrad, June 17-20, 1995, BULGARIA

We are experiencing difficulty with our bitnet e-mail address for some time.
For this reason you can try to send messages to the following Internet

Please note that you have to use the complete address as specified above
(automatic reply will not work).

Panayot Vassilevski and Svetozar Margenov
Local Organizing Committee


From: Jie Shen <>
Date: Sun, 23 Apr 1995 14:54:59 -0400
Subject: Workshop on Inertial Manifolds in China

JUNE 19-22, 1995, XI'AN, CHINA

Sponsored by

National Nature Science National Science Fundation of
Fundation of China the United States
State Educational Committee
of China

Shui-Nee Chow (Georgia Tech, USA) Ciprian Foias (Indiana, USA)
David Gottlieb (Brown, USA) Daqian Li (Fudan, China)
Kaitai Li (Xi'an, China) Jacque-Louis Lions (Chair: France)
Jie Shen (Penn State, USA) Roger Temam (Cochair: Orsay, France)
Shing-Tung Yau (Harvard, USA)

Boling Guo (IAPCM, China) Aixiang Huang (Xi'an, China)
Kaitai Li (Chair: Xi'an, China) Jie Shen (Penn State, USA)
Zhong-Qin Xu (Cochair: CNSF, China)

Potential contributors should submit, no later than May 5, 1995,
an abstract of no more than one page to:

Professor Jie Shen Tel: 814-863-2036
Department of Mathematics Fax: 814-865-3735
Penn State University E-mail:
University Park, PA 16802, USA

A limited fund is available to support partial travel
expenses of US participants. Those who would like to apply for support
should so indicate.


From: Alexander Bespalov <>
Date: Mon, 24 Apr 1995 10:25:44 +0200
Subject: European Conference on Numerical Mathematics

First Announcement and Call for Papers
The First European Conference on Numerical Mathematics
and Advanced Applications
Paris, France, 18 - 22 September, 1995
Organized by GAMNI/SMAI in association with
CNRS, ECCOMAS, INRIA and Universite Pierre et Marie Curie

Y. Maday (Chairman, France) J.-F. Maitre (France)
Yu. Kuznetsov (Russia) J. Periaux (France)

F. Brezzi (Italy) J. Periaux (France)
R. Glowinski (France/USA) R. Rannacher (Germany)
Yu. Kuznetsov (Russia)

O. Axelson (Netherlands) U. Langer (Germany)
N. Bakhvalov (Russia) R. Lazarov(Bulgaria/USA)
J. Ball (U.K.) P. Le Tallec (France)
A. Bermudes de Castro (Spain) Y. Maday (France)
M. Dryja (Poland) J.-F. Maitre (France)
M. Feistauer (Czech Republic) P. Neittaanmaki (Finland)
M. Geradin (Belgium) O. Pironneau (France)
W. Hackbusch (Germany) A. Quarteroni (Italy)
R. Jeltsch (Switzerland) W. Wendland (Germany)
C. Johnson (Sweden)

The main goal of the Conference is to bring together leading experts and
actively working scientists in the field of numerical mathematics and to
discuss the most recent results and new trends with special attention to
the contributions of Europe.
Theoretical analysis of numerical methods and algorithms as well as their
applications to challenging scientific and industrial problems is the key
point of the conference.
The organizers strongly believe that numerical mathematics progress through
interactions between numerical analysts, applied scientists, applied
mathematicians and researchers engaged in mathematical modelling and
scientific computings. Special attention will be given to multidisciplinary
applications of numerical mathematics and to new parallel algorithms
through several problems oriented minisymposia being held within the
framework of the conference.

H. Bock (Germany), J. Bramble (USA), C. Canuto (Italy), H. Kawarada (Japan),
J.L. Lions (France), G. Marchuk (Russia), B. Parlett (USA),
B. Perthame (France), W. Symes (USA), E. Tadmor (Israel)

Adaptive FE-methods
Multifields methods and nonmatching grids
Multidimensional hyperbolic conservation laws
Acoustics and electromagnetism
Particle and kinetic methods
Challenging industrial problems

The conference will be hosted in the building of CNRS in Paris.

The official E-mail address of the Organizing Committee is
Please, use it for all inquiries.


From: Per Christian Hansen <>
Date: Mon, 24 Apr 1995 13:32:33 +0200
Subject: Inversion Conference in Denmark

Interdisciplinary Inversion Conference
Methodology, Computation and Integrated Applications

University of Aarhus, Denmark

May 22-24, 1995

Organized by the Danish Interdisciplinary Inversion Group

Invited speakers:
- Douglas Gough, Cambridge University, UK
- Fernando Sanso, Politecnico di Milano, Italy
- John Scales, Colorado School of Mines, USA
- Philip Stark, University of California, Berkeley, USA
- Albert Tarantola, Institute de Physique du Globe de Paris, France

For more information about the conference, see the following Web page:

Per Christian Hansen
UNI-C, Bldg. 305
Technical University of Denmark


From: Chenyi Hu <>
Date: Tue, 25 Apr 1995 17:07:41 +0600
Subject: South-Central Student Conference

The First SC COSMIC Student Conference on
Computational Sciences & Engineering

October 20-22, 1995
the University of Houston-Downtown, Houston, Texas.

To promote Computational Sciences & Engineering education and research
at minority institutions in the South and Central United States, the Center
for Research on Parallel Computation at Rice University and SC COSMIC
(South-Central Computational Science at Minority Institutions Consortium)
are jointly organizing the First SC COSMIC Student Conference on
Computational Sciences and Engineering. The Conference will be held from
October 20-22, 1995, at the University of Houston-Downtown, Houston, Texas.

Students from the Consortium institutions are welcome to submit abstracts
of their research projects on Computational Science and Engineering, and their
applications to the conference for presentations. Professors from all
institutions are welcome to recruit prospective minority graduate students
at the conference.

For further information on SC COSMIC and the conference, please see


From: Yuan Ya-xiang <>
Date: Thu, 27 Apr 95 15:52:43 +0800
Subject: Nonlinear Programming Conference in Beijing

First Announcement and Call for Papers
International Conference
on Nonlinear Programming
(Beijing, Sept 2-5, 1996)

An International Conference on Nonlinear Programming
will be held at the Institute of Computational Mathematics and
Scientific/Engineering Computing, Chinese Academy of Sciences,
Beijing, China, from September 2-5, 1996. It is organized by the
Chinese Academy of Sciences and the Chinese Natural Science
Foundation. Invited lectures on recent advances of nonlinear
programming will be given. Invited Speakers (Preliminary list)
will include:

J. Burke R. Byrd A.R. Conn
J. More J. Nocedal M.J.D. Powell
R.B. Schnabel K. Tanabe R. Tapia
Ph. Toint H. Wolkowitz M.H. Wright

A limited number of short (20 minutes) papers will be accepted
for presentation. Papers on theoretical, computational and
practical aspects of nonlinear programming are welcome.

In part, this meeting is intended to honour the many contributions
of Professor M.J.D. Powell to Optimization. It is hoped that this
meeting will be similar to the one that Professor M.J.D. Powell
organised in Cambridge in 1981. There will be no parallel
sessions. Apart from the invited lectures and submitted short
talks, there will be also discussion sessions. The conference
proceedings will be published by an international publisher,
and all the papers will be reviewed.

One or two sightseeing tours, including visiting the Great Wall,
will be organized by the conference. There is also a possibility
of organizing a post conference tour to Xi-an, an ancient capital
of China, depending on the number of participants who are interested
in such a trip.

Dates and deadlines:
Prospective participants (except invited speakers) should send
their preregistration giving address (postal and e-mail,
if available) and accommodation preference(single or double
bedroom in hotel) to the address below by post or e-mail
before July 31 1995. A second announcement will be sent in
September 1995 to all those who preregister.

International Organizing Committee:
A.R. Conn, (IBM Watson Research Center, Yorks. USA)
J. Nocedal (Northwestern University, USA)
Ph. Toint (University of Namur, BELGIUM)
Y. Yuan (Chinese Academy of Sciences, CHINA)

Address for correspondence:
For further information, please contact the following address
or any of the International organizing committee.

Prof. Ya-xiang Yuan
State Lab. of Scientific and Engineering Computing
ICMSEC, Chinese Academy of Sciences
P.O. Box 2719, Beijing 100080, China
Tel: +86-10-255-9001, +86-10-254-5820
FAX: +86-10-254-2285


From: Werner Rath <Werner.Rath@Mathematik.TU-Chemnitz.DE>
Date: Thu, 27 Apr 1995 11:38:37 MESZ
Subject: South East German Colloquium on Numerical Mathematics

The first South East German Colloquium on Numerical Mathematics will
be held May 5, 1995 at the TU Chemnitz-Zwickau, Chemnitz, Germany.

Details are available via WWW at the URL

Werner Rath | Tel.: (049) (0)371-531-3953 (office)
Fakultaet fuer Mathematik | (049) (0)2151-308119 (private)
TU Chemnitz-Zwickau | email:
D-09107 Chemnitz, FRG |


From: Richard Bartels <>
Date: Thu, 27 Apr 95 18:59:50 -0400
Subject: Graphics Interface Conference

First Call for Papers GI'96 (Graphics Interface '96)
To be held 21-24 May 1996, Toronto, Canada
Submission deadline 31 October 1995

Organized by the Canadian Human Computer Communications Society

Contact: Richard Bartels
Computer Graphics Laboratory
Computer Science Department
University of Waterloo
200 University Ave. W.
Waterloo, Ontario N2L 3G1
Phone: 1-519-888-4567 ext. 4534
FAX: 1-519-885-1208

Languages: English, French

Manuscripts are solicited describing unpublished research results and
applications experience in all areas of computer graphics, specifically
including the following:
Image Synthesis & Realism, User Interfaces,
Shading & Rendering Algorithms, Windowing Systems,
Geometric Modeling, Computer Cartography,
Computer Animation, Image Processing,
Interactive Techniques, Medical Graphics,
Graphics for CAD/CAM, Graphics in Education,
Computer-Aided Building Design, Graphics & the Arts,
Industrial & Robotics Applications, Visualization,
Graphics in Business, Graphics in Simulation.
Film and video tapes that illustrate the use of computer graphics and
interactive techniques are also solicited. This visual material could present
new techniques, the artistic application of computer graphics, or a historical
perspective of the field. Manuscripts and films will be refereed. Accepted
manuscripts will appear in a published proceedings, avaliable with registration
at the conference and through the publisher thereafter. Accepted films and
tapes will be given a presentation showing at the conference.
For submission instructions and other information, see the "Contact"
above or the WWW page ""


From: (Eric Van de Velde)
Date: Fri, 28 Apr 1995 11:19:40 -0700
Subject: Symposium in Honor of Herb Keller



The Department of Energy, the Engineering and Applied Science
Division of the California Institute of Technology, and the
Center for Research on Parallel Computation are sponsoring a
two-day symposium to honor Herbert B. Keller on the occasion
of his 70th birthday.

The evening of June 19th, there will be a reception and banquet
dinner at the Athenaeum (the Caltech faculty club).

When: June 19th and 20th, 1995

Where: California Institute of Technology,
Pasadena, California

Invited talks:
Heteroclinic Cycles in Load-Coupled Josephson Junctions,
Eusebius Doedel, Concordia University
Accurate Integration of Differential Equations,
Donald Estep, Georgia Institute of Technology
Simulation and Control of Linear and Nonlinear Wave Problems,
Roland Glowinski, University of Houston and Universite de Paris
Large Scale Matrix Computation Problems from QCD,
Gene H. Golub, Stanford University
Integral Operators and Numerical Methods for Differential Equations,
Tom Hagstrom, University of New Mexico
The Mathematics of Heart Attacks,
James Keener, University of Utah
Nonreflecting Boundary Conditions,
Joseph B. Keller, Stanford University
Numerical solution of problems with different time scales,
Heinz O. Kreiss, University of California at Los Angeles
Hopf Bifurcation with Strong Resonance,
William Langford, University of Guelph
Positive Schemes,
Peter Lax, New York University
Bifurcation Phenomena in Water Waves,
Philip G. Saffman, California Institute of Technology
Andrew B. White, Jr., Los Alamos National Laboratory

For more information:
check out our WWW page
or use the finger program: finger
or send e-mail to
or call JoAnn at (818)395-4562
or write to
217-50 Caltech
Pasadena, CA 91125


From: Nicolas Point <>
Date: Sun, 30 Apr 95 14:01:28 +0200
Subject: Meeting of the DSS/2 User Group


Faculte Polytechnique de Mons
Mons, Belgium
June 28-30, 1995


The package DSS/2 is a common tool for solving problems in partial
differential equations using the method of lines (MOL). A first meeting
of users will take place at the Control and Mathematics Departments of
the Faculte Polytechnique de Mons, Belgium, June 28-30, 1995.
The aim of the meeting is to provide a platform for discussions and
presentations of DSS/2 applications and related problems.


1. Modeling of distributed parameter systems.
2. Method of lines - Numerical methods and algorithms.
3. MOL software tools.
4. Process simulation, control and optimization.
5. Applications in industry, economics, ecology, demography, others.


The technical program of the meeting will feature:

-Plenary lectures by W.E. Schiesser, Lehigh University, USA:
1. Present Status of DSS/2 and PDESOL.
(PDESOL is a Windows-based version of DSS/2)
2. A general approach to PDE boundary conditions within the
method of lines.

-Discussions introduced by the meeting organizers:
1. Other new software.
2. Methods for handling the boundary conditions: differential-
algebraic equations versus constraints ?
3. Process simulation and optimization.

-Contributed papers.


Participants are invited to present papers in any of the areas listed
above. Deadlines: Abstract should be sent prior to June, 2, 1995.
Full manuscript (4 pages in english) should be sent prior to June, 23, 1995.

Further information on the technical program is available from the secretary:

Dr. Alain Vande Wouwer
Laboratoire d'Automatique
Faculte Polytechnique de Mons
Boulevard Dolez 31
7000 Mons , Belgium
Tel: +32-65-374141
Fax: +32-65-374300


From: Millen Shelly <>
Date: Tue, 25 Apr 1995 10:14:18 -0400
Subject: Search for ICASE Director


A search is being conducted for a Director for the Institute for
Computer Applications in Science and Engineering (ICASE), which is
co-located with NASA's Langley Research Center (LaRC) in Hampton,
Virginia. The Institute is funded by NASA through the Universities
Space Research Association (USRA). Since its establishment in 1972,
ICASE has conducted unclassified basic research in three major areas:
i) applied and numerical mathematics, including numerical analysis,
algorithm development, and multidisciplinary design optimization; ii)
theoretical, computational, and experimental research in fluid
mechanics in areas of interest to LaRC, including acoustics and
combustion; and iii) applied computer science and parallel computing.

The Institute helps promote cooperative research activities among
scientists and their institutions, and in addition, enhances
communication among researchers in related disciplines by providing an
academic setting within which academic and industrial scientists can
collaborate with NASA scientists and engineers on problems of mutual
interest. The institute maintains a small, permanent staff, augmented
by postdoctoral fellows and visiting scientists from universities and
industry. It has been responsible for introducing several innovations
in numerical analysis into computational aerodynamics practice
including spectral methods, multigrid methods, and high-order upwind

Salaries and benefits are competitive and attractive, and will depend
on the individual's qualifications. The applicant should be an
individual with demonstrated leadership and vision, outstanding
communications skills, a proven research record in one or more of the
research areas of interest to the Institute, and a thorough
understanding of research management.

Apply no later than 30 June 1995. An application, containing a
complete resume on academic, professional, and personal data,
including three references, should be sent to:

W. D. Cummings,
Executive Director,
Universities Space Research Association,
The American City Building, Suite 212,
Columbia, MD 21044.

The Universities Space Research Association is an Equal Opportunity


From: John Barrett <>
Date: Mon, 24 Apr 95 18:26:25 BST
Subject: Postdoctoral Position at Imperial College


A Postdoctoral Research Assistant is required to work with
Dr. John W. Barrett ( for 18 months on
an EPSRC project

Finite Element Approximation of Some Problems in
Nonlinear Elasticity and Non-Newtonian/Viscoelastic Flows

The starting salary is in the range 17,700 - 20,620 pounds sterling
(inclusive of London Weighting).

Applicants should send a CV and the name of two referees to

Dr. John W. Barrett,
Department of Mathematics,
Imperial College Of Science, Technology and Medicine,
180 Queens Gate,
London SW7 2BZ,

Closing date for applications is 2 June 1995.

Starting date before 1 October 1995.

This post was advertised a year ago, the successful candidate
has now moved on to a permanent academic position.
Previous applicants are therefore invited to re-apply.


From: Dave Dodson <>
Date: Mon, 24 Apr 1995 15:02:43 -0500
Subject: Position at Convex Computer Corporation

Mathematical Software Development

Background: CONVEX Computer Corporation designs, develops, manufactures,
and markets affordable supercomputers for the high-performance engineering
and scientific computing marketplace. CONVEX's Mathematical Software
Group is chartered with producing efficient, robust mathematical software,
packaged as subroutine libraries, that can be incorporated into FORTRAN
programs to ease program development, conversion, and optimization.

Responsibilities: You will develop and maintain highly efficient
mathematical software routines for inclusion in the ConvexMLIB Library.
Ingenuity will be required to devise and implement parallel algorithms
to solve problems that occur frequently in engineering and scientific
computing on Convex's RISC-based globally shared memory Exemplar(tm)
system. In addition, you will serve an important role as a company
resource in numerical analysis, program optimization, and high-speed
scientific computing.

Job Requirements: U.S. Citizenship or Permanent Residency. Strong
background in scientific computing or numerical analysis. Experience in
programming algorithms in numerical linear algebra, the finite element
method, or signal processing. Two or more years of FORTRAN programming

Desired Experience: Five or more years experience in scientific computing.
Programming experience on parallel processors is a plus. Familiarity with
mathematical library software development. A working knowledge of UNIX
and an assembly language is desirable.

Education: Preference will be given to applicants with a Masters or Ph.D.
degree in a relevant discipline.

Special Skills: Excellent interpersonal and communication skills are

For immediate consideration, please send your resume, in confidence, to
Human Resources, Attn. David Dodson
CONVEX Computer Corporation
P.O. Box 833851
Richardson, Texas 75083-3851

CONVEX is an equal oportunity employer, M/F/D/V.


From: Paresh G. Pattani <>
Date: Wed, 26 Apr 95 10:24:01 CDT
Subject: Position with NEC in Texas

NEC Systems Laboratory, Inc.
The Woodlands, TX

NEC Systems Laboratory, Inc. is a subsidiary of NEC, a Fortune 50 world
leader in the computer and communications market. NEC produces more
than 15,000 different products in more than 140 countries through a
network of 198 consolidated subsidiaries, and employs about 160,000
people worldwide.

Our Supercomputer Center in The Woodlands, Texas has immediate
openings for Applications Analyst. This is an opportunity for an
analyst in the area of high performance computing with an advanced
degree in engineering/computer science.

This applications specialist will be responsible for tuning, porting
and benchmarking the strategic third party engineering and scientific
applications on NEC systems, such as, NEC SX-3 and SX-4 vector-parallel
systems and Cenju-3 distributed memory parallel (DMP) system.

The ideal candidates will have demonstrated ability/experience in one
or more of the following areas:

- engineering/scientific applications development and porting
- benchmarking on vector-parallel and DMP systems
- proficient in FORTRAN, FORTRAN90 and C
- knowledge of HPF, MPI, and/or PVM
- experience in sparse matrix solvers on vector-parallel and DMP
- familiarity with leading ISV software packages a plus
- knowledgeable in UNIX

We offer employees competitive salaries, outstanding benefits and an
excellent work environment.

NEC Systems Laboratory, Inc. is an Equal Opportunity Employer M/F/D/V

Please forward resumes to:

Human Resources
NEC Systems Laboratory, Inc.

1414 Massachusetts Ave.
Boxborough, MA 01719
Fax: 508-266-4689


From: Bill Harrod <>
Date: Sun, 30 Apr 1995 08:08:50 -0500 (CDT)
Subject: Position at Cray Research

The Mathematical Software Group at Cray Research, Inc. located in
Eagan, Minnesota has an immediate opening for a numerical analyst
to support, improve, and add to the scientific library, LIBSCI, on
SPARC-based computer systems.

The Mathematical Software Group does research on algorithm development,
develops, optimizes, and supports numerical software for Cray Research's
scientific library, and works with application programmers to provide
highly optimized computation kernels and libraries for use as building
blocks in application programs.

Preference will be given to candidates with an M.S. in
computer science or applied mathematics, with

1) Experience developing mathematical software in the following areas:
numerical linear algebra, sparse matrix methods, signal processing,
sorting and searching methods.

2) A good understanding of high-performance computer architectures and
the issues involved in optimizing algorithms for these architectures.
Familiarity and experience implementing scalable algorithms.

3) FORTRAN, C, and assembly code programming experience on
RISC based parallel computers.

Good debugging, testing and performance analysis skills are critical.
C++ programming experience is helpful. Experience in developing and
maintaining a large software project is desirable.

Cray Research offers an excellent compensation plan that includes, flexible
career paths, stock purchase plan, relocation assistance and more.
For consideration, send your resume to:

William J. Harrod
Cray Research, Inc.
655F Lone Oak Drive
Eagan MN 55121



From: SIAM <>
Date: Thu, 27 Apr 95 09:04:56 EST
Subject: Contents, SIAM Review

VOL. 37, NO. 2, JUNE 1995


Software Libraries for Linear Algebra Computations on High
Performance Computers
Jack J. Dongarra and David W. Walker

A Survey of the Maximum Principles for Optimal Control
Problems with State Constraints
Richard F. Hartl, Suresh P. Sethi, and Raymond G. Vickson

Stabilization of the Inverted Linearized Pendulum by High
Frequency Vibrations
Mark Levi and Warren Weckesser

Finite Catenary and the Method of Lagrange
K. Veselic


A Nonlinear Programming Algorithm for Hospital Management
Frank H. Mathis and Lenora Jane Mathis



An Introduction to Nonlinear Partial Differential Equations
(J. D. Logan) Karen Ames

Numerical Solution of Sturm-Liouville Problems (John D.
Pryce) Alan L. Andrew

Time Series: Forecasting, Simulation, Applications (Gareth
Janacek and Louise Swift) David F. Findley

Introduction to Multidimensional Integrable Equations (B.
G. Konopelchenko) J. D. Gibbon

General Pattern Theory: A Mathematical Study of Regular
Structures (U. Grenander) Daniel Keenan

Non-Standard Rank Tests (A. Janssen and D. M. Mason)
Jana Jureckova

Markov Models and Optimization (M. H. A. Davis) Suzanne

Linear Partial Differential Operators in Gevrey Spaces
(Luigi Rodino) Otto Liess

Fundamentals of Grid Generation (P. Knupp and S. Steinberg)
C. Wayne Mastin

Duality and Perturbation Methods in Critical Point Theory
(N. Ghoussoub) Jean Mawhin

Mathematical Computational Techniques for Multilevel
Adaptive Methods (U. Rude) Steve McCormick

Normal Forms and Bifurcation of Planar Vector Fields
(Shee-Nee Chow, Chengzhi Li, and Duo Wang) Kenneth R. Meyer

Model-Free Curve Estimation ( M. E. Tartar and M. D. Lock)
Guy Nason

Numerical Solutions of the Euler Equations for Steady Flow
Problems (Albrecht Eberle, Arthur Rizzi, and Ernst Heinrich
Hirschel) Paul D. Orkwis

Numerical Solution of Stochastic Differential Equations
(Peter E. Kloeden and Eckhard Platen) Matthias Gelbrich and
Werner Romisch

Box Splines (C de Boor, K. Hollig, and S. Riemenschneider)
Amos Ron

Numerical Hamiltonian Problems (J. M. Sanz-Serna and M. P.
Calvo) Robert D. Skeel

The Couette-Taylor Problem (Pascal Chossat and Gerard
Iooss) Juergen Scheurle

Nonlinear Dynamics and Chaos: With Applications to Physics,
Biology, Chemistry, and Engineering (Steven H. Strogatz)
Douglas S. Shafer

The Fuzzy Systems Handbook: A Practioner's Guide to
Building, Using, and Maintaining Fuzzy Systems (Earl Cox)
Rod Taber


From: ETNA <>
Date: Fri, 28 Apr 1995 16:32:41 -0500 (EDT)
Subject: Contents, Electronic Transactions on Numerical Analysis

Contents, Electronic Transactions on Numerical Analysis (ETNA)
Volume 3, March 1995.

1. Orthonormal polynomial vectors and least squares approximation for a
discrete inner product. M. Van Barel and A. Bultheel.

24. Parallel, synchronous and asynchronous two-stage multisplitting methods.
Rafael Bru, Violeta Migall, Jose Penades, and Daniel B. Szyld.

39. On graded QR decompositions of products of matrices. G. W. Stewart.

ETNA articles can be obtained via the World Wide Web (URL, Gopher (, anonymous ftp
(, or e-mail (send requests to


End of NA Digest