NA Digest Sunday, September 3, 1995 Volume 95 : Issue 35

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: NA Digest <>
Date: Sun Sep 3 08:32:55 EDT 1995
Subject: NA Digest Calendar

NA Digest Calendar
Date Topic Place NA Digest #

Sep. 5-10 Neural Networks and Neurocontrol Quintana Roo, Mexico 21
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 94:22
Sep. 18-22 European Conference on Numerical Math. Paris, France 18
Sep. 18-22 High Energy Physics Rio de Janeiro, Brazil 23
Sep. 20 Scottish Computational Maths Symposium Edinburgh, Scotland 33
Sep. 22 Aircraft and Engine Icing Montreal, Canada 35
Sep. 23 Pacific NorthWest Numerical Analysis Bellingham, WA 15
Sep. 25-28 Computer Methods and Water Resources Beirut, Lebanon 21
Sep. 26-29 Scientific Computing, Validated Numerics Wuppertal, Germany 16
Sep. 26... Cerfacs Linear Algebra Year Toulouse, France 15
Sep. 26-29 CERFACS Direct Methods Workshop Toulouse, France 30
Sep. 27-30 Mathematical Tools in Metrology Oxford, UK 51

Oct. 9-15 Cubature Formulae Krasnoyarsk, Russia 08
Oct. 10-11 Protein Structure and Folding Ithaca, NY 35
Oct. 10-12 Multigrid Tutorial Rehovot, Israel 27
Oct. 10-12 Multigrid and Molecular Dynamics Rehovot, Israel 32
Oct. 13-14 Differential Equations Raleight, NC 29
Oct. 13-14 Matrix Analysis & Applications Kalamazoo, MI 35
Oct. 15-19 Parallel Algorithms Wuhan, China 08
Oct. 16-17 Meshing Roundtable Albuquerque, NM 19
Oct. 16-18 1995 MATLAB Conference Cambridge, MA 12
Oct. 17-20 Eigenvalues and Stability Toulouse, France 35
Oct. 20-22 South-Central Student Conference Houston, TX 20
Oct. 23-26 SIAM Annual Meeting Charlotte, NC 05
Oct. 23-26 Parallel Programming on the IBM SP Ithaca, NY 34

Nov. 1- 4 Complementarity Problems Baltimore, MD 05
Nov. 6- 9 Geometric Design Nashville, TN 04
Nov. 12-17 Semiconductor Device Modeling San Francisco, CA 20
Nov. 15-17 Simulation of Devices and Technologies Kruger, South Africa 01
Nov. 19-22 Pure and Applied Mathematics Isa Town, Bahrain 94:38

Dec. 8 Runge-Kutta Centenial Amsterdam, Netherlands 27
Dec. 10-14 Global Optimization Szeged, Hungary 26
Dec. 14-16 Dynamical Systems/Numerical Analysis Atlanta, GA 31
Dec. 14-20 Winter School on Iterative Methods Hong Kong 09
Dec. 16-19 Geophysical Inverse Problems Yosemite, CA 19

Jan. 19-21 Boundary Elements Kiel, Germany 20
Jan. 28-30 Discrete Algorithms Atlanta, GA 25
Feb. 12-14 Network Optimization Problems Gainesville, FL 94:47
Feb. 12-15 Computational Differentiation Santa Fe, NM 29
Mar. 4- 6 Numerical Combustion New Orleans, LA 34
Apr. 1- 4 State of the Art in Numerical Analysis York, England 06
Apr. 9-11 Real Numbers and Computers Marseille, France 26
Apr. 9-13 Copper Mountain Conference Copper Mountain, CO 35
Apr. 14-16 Theoretical and Applied Mechanics Tuscaloosa, AL 35
May 19-23 Computational Fluid Dynamics Freiburg, Germany 30
May 20-22 SIAM Conference on Optimization Victoria, BC, Canada 26
May 20-23 Parallel CFD Capri, Italy 34
May 21-24 Graphics Interface Conference Toronto, Canada 18
June 3- 8 Domain Decomposition Bergen, Norway 28
June 10-15 Honor Lax and Nirenberg Venice, Italy 29
June 13-15 Algebraic Multilevel Iteration Methods Nijmegen, Netherlands 11
June 17-20 SIAM Conference on Discrete Mathematics Baltimore, MD 29
June 17-20 Integral Methods in Science and Engin. Oulu, Finland 24
June 17-21 Householder XIII Symposium Pontresina,Switzerland 31
June 20-21 Mitrinovic Memorial Conference Belgrade, Serbia 26
June 24-27 Numerical Analysis and Applications Russe, Bulgaria 35
June 24-28 Networks and Systems Saint Louis, MO 27
July 7-11 ASME Fluids Engineering Division San Diego, CA 35
July 8-12 Prague Mathematical Conference Prague, Czech Rep. 03
July 8-12 Quality of Numerical Software Oxford, England 19
July 15-19 Computational Mechanics Miskolc, Hungary 21
July 22-27 Summer Seminar on Plates and Shells Quebec City, Canada 26
July 27-30 Conference Honoring Mike Powell Cambridge, England 94:48
Aug. 25-31 Congress Theor. & Appl. Mechanics Kyoto, Japan 94:46
Sep. 2- 5 Nonlinear Programming Beijing, China 18
Sep. 9-13 "ECCOMAS 96" Paris, France 23
Sep. 9-14 Ill-Posed Problems Moscow, Russia 23
Nov. 6- 8 Innovative Time Integrators Amsterdam, Netherlands 31

The url for the Netlib Conferences Database is :


From: Chunyang He <>
Date: Mon, 28 Aug 1995 16:45:11 -0500 (CDT)
Subject: Address Change for Chunyang He


I will visit the department of mathematics, University of Kansas
in the next two years, so my new address is

Dr. Chunyang He
Dept. of Mathematics
University of Kansas
Snow Hall 405
Lawrence, 66045

Tel: (913) 864-4055


From: David Watkins <>
Date: Tue, 29 Aug 95 09:31:39 -0700
Subject: Errata list, Fundamentals of Matrix Computations

As the Fall semester gets underway, I would like to remind you
that a list of errata for my book

David S. Watkins
Fundamentals of Matrix Computations
John Wiley, 1991

is available by anonymous ftp. Just ftp,
cd pub/watkins, and get Regretably I have not yet found
time to put it on www. Maybe next year.

David Watkins


From: David Wille <>
Date: Wed, 30 Aug 1995 17:19:55 METDST
Subject: New Book, Advanced Scientific Fortran

Dear readers,

following my successful recent enquiries over NA-net, can I now
announce a book

"Advanced Scientific Fortran"
David R. Wille

ISBN 0-471-95383-0

now published by John Wiley and Sons Ltd.

Aimed at the general numerical community as a whole, it seeks to
provide a stepping stone to better, more efficient and more portable
programming for readers who already have a basic knowledge of Fortran.

Topics covered include programming style, portability, arrays, memory
management, the BLAS and LAPACK, and code optimisation. Also included
are NAG, High Performance Fortran and an extensive introduction to
Fortran 90. For further information, please contact me (na.wille) over

David R. Wille
Mathematical Applications
Ciba-Geigy AG
CH-4002 Basel tel: + 41 61 69 74114
Switzerland fax: + 41 61 69 78973


From: Saleet Jafri <>
Date: Wed, 30 Aug 1995 09:16:03 -0400
Subject: Parallel Tridiagonal Matrix Solver

I am looking for a fast parallel tridiagonal matrix solver to solve
the system Ax=b where A is tridiagonal and x and b are vectors. I
want to use this to solve systems of reaction diffusion equations
(parabolic PDE's).

Do you know if any source code exists for the partition method
of Wang (or improvements) or the cyclic decompostion method? Which
method is likely to be more efficient (I will be running my code on
a SGI Power Challenge)? The parallel versions of the tridiagonal matrix
in the SG libraries are quite slow (slower that the code in numerical

Saleet Jafri
Department of Biomedical Engineering
The Johns Hopkins University School of Medicine
Rm 411 Traylor Research Building
720 Rutland Ave
Baltimore, MD 21205



From: The ScaLAPACK Team <>
Date: Thu, 31 Aug 1995 11:33:14 -0400
Subject: Inviting Feedback on Parallel BLAS

We are inviting feedback from the user community on a set of
Parallel BLAS we have put together for ScaLAPACK. We would
greatly appreciate your comments on LAPACK Working Note 100 "A Proposal
for a Set of Parallel Basic Linear Algebra Subprograms". This
working note is available via

and outlines the design issues of the PBLAS.

Please direct all comments/suggestions to

The ScaLAPACK team


From: Robert Schneiders <>
Date: Thu, 31 Aug 95 17:27:01 +0200
Subject: WWW-page on Mesh Generation


The new release of a page with information on finite element mesh
generation can be found on:

It contains new information on people, research groups, conferences,
literature etc.

All comments and pointers on other online information are welcome.

Robert Schneiders
Lehrstuhl fuer angewandte Mathematik insb. Informatik
RWTH Aachen
Ahornstr. 55
52056 Aachen
Tel.: +241-804558
Fax: +241-8888215


From: George Karypis <>
Date: Sun, 27 Aug 1995 22:46:20 -0500 (CDT)
Subject: METIS, Unstructured Graph Partitioning Software

METIS: Unstructured Graph Partitioning and Sparse Matrix Ordering System
Release 2.0 of METIS is now available.

We would like to announce the release of version 2.0 of the METIS package
for partitioning unstructred graphs (such as unstructured finite element
meshes) and for producing fill reducing orderings of sparse matrices.
METIS 2.0 contains a number of changes over METIS 1.0. The major changes
are the following:

* A new faster k-way partitioning algorithm has been implemented
that produces good partitions, and it is up to 5 times faster the
recursive bisection algorithm used in version 1.0.

* The algorithms have been extended to handle non-power of 2 partitions.

* A stand-alone library is provided to interface with the partitioning
and ordering algorithms of METIS.

* A number of modifications to better handle weighted graphs.

* Speed improvements, particularly in the ordering code. METIS 2.0
is about 10% to 15% faster than version 1.0.

* Better memory management.

Overview of METIS

Graph partitioning has extensive applications in many areas, including
scientific computing, VLSI design, and task scheduling. The problem is
to partition the vertices of a graph in k roughly equal parts, such that
the number of edges connecting vertices in different parts is minimized.
Graph partitioning is of particular importance in finite element
computations on parallel computers, since a good partition significantly
reduces the amount of communication, increasing the performance.

Graph partitioning algorithms are also used to compute orderings for
sparse matrices, in order to minimize the amount of fill and to increase
the concurrency that can be exploited during parallel direct factorization.

METIS is a set of programs that implement various graph partitioning
algorithms that are based on the multilevel paradigm.
The advantages of METIS compared to other similar packages are the following:

- Provides high quality partitions!
The partitions produced by METIS are consistently 10% to 50% better than
those produced by spectral partitioning algorithms, and 5% to 15% better
than those produced by Chaco multilevel.

- It is extremely fast!
METIS is 20 to 160 times faster than multilevel spectral bisection, and
5 to 30 times faster than Chaco multilevel, for a wide variety of a graphs.
Graphs with over 500,000 vertices can be partitioned in 256 parts, in
under a minute on scientific workstations. The run time of METIS is
comparable to (or even smaller than) the run time of geometric
partitioning algorithms that often produce much worse partitions.

- Provides low fill orderings!
The orderings produced by METIS are significantly better than those
produced by multiple minimum degree, particularly for large finite
element graphs. Furthermore, unlike multiple minimum degree, the
elimination trees produced by METIS are suited for parallel direct

Obtaining METIS

METIS is freely distributed. Information on how to get the source code
is available on WWW at

Alternatively, METIS can be obtained via anonymous ftp from

Papers describing and analyzing the various algorithms implemented by
METIS can be retrieved via WWW from:

METIS has been written by George Karypis and Vipin Kumar, at the
Computer Science Department of the University of Minnesota.
If you have any questions or problems obtaining METIS, send
email to

George Karypis email:
University of Minnesota, URL:


From: Daniel Hershkowitz <>
Date: Sun, 27 Aug 1995 10:59:09 +0300 (EET DST)
Subject: International Linear Algebra Society Prize

The Hans Schneider Prize in Linear Algebra

The Hans Schneider Prize in Linear Algebra is awarded by the International
Linear Algebra Society (ILAS) for research contributions and achievements
at the highest level in Linear Algebra. The Prize may be awarded for an
outstanding scientific achievement or for lifetime contribution. The Prize
is awarded every three years at an appropriate ILAS meeting, as decided
upon by the ILAS Executive Board. In any year in which a Prize is awarded,
there may be more than one recipient, within the discretion of the Board.
The first prize was awarded in 1993 to Miroslav Fiedler, Shmuel Friedland
and Israel Gohberg.

Procedure for determining the winner

A Prize Committee is established by the ILAS President upon the
recommendation of the ILAS Executive Board. The Committee solicits
nominations from members of the linear algebra community of people of
outstanding achievement in the subject and the Committee makes
recommendations to the ILAS Executive Board, which then makes the award.
(There shall be no restrictions on whom shall receive the Prize based on
sex, race, national origin, age or the time since the recipient took his
or her last academic degree). The recipient is notified at least two
months prior to the ILAS meeting at which the Prize is to be presented and
is also invited to give a talk at that meeting.

Nature of the Prize

The Prize consists of a plaque and a certificate containing the citation.
The Executive Board may also decide to make a cash award to the recipient
and/or make a contribution towards the expenses incurred in attending the
award ceremony.


The funding for the Prize comes from the interest accruing on a large
donation made to ILAS by Hans Schneider and a number of small
contributions from other people.

Next (second) Award

The second Prize will be awarded at the ILAS conference in Chemnitz,
Germany, in August 1993. The Prize Committee consists of:

Daniel Hershkowitz (chairman)
Richard A. Brualdi
Shmuel Friedland
Thomas J. Laffey
Peter Lancaster
Hans Schneider (ILAS President, ex-officio).


Nominations are now being solicited from members of ILAS and the linear
algebra community in general of distinguished individuals judged worthy of
consideration for the Prize. In nominating a person, the nominator should
include a brief biographical sketch together with a statement explaining
why the nominee is considered worthy of the Prize. The nominator should
include references to the publications or other contributions of the
nominee which are considered most significant in making this assessment.
Nominations should be sent before October 20, 1995, to

Daniel Hershkowitz
Mathematics Department
Haifa 32000

e-mail: |


From: Catherine Rachwalski <>
Date: Wed, 30 Aug 1995 08:30:38 -0600
Subject: 1996 Copper Mountain Conference

The dates have been set for the 1996 Copper Mountain
Conference on Iterative Methods. The conference will
be held in Copper Mountain, Colorado on April 9-13, 1996.

A full brochure announcement can be accessed by e-mail

This will be available after September 6th.


From: Howard Wilson <>
Date: Tue, 29 Aug 95 13:34:59 CDT
Subject: Southeastern Conference on Theoretical and Applied Mechanics

April 14 - 16, 1996

Original papers are solicited in all areas of theoretical and
applied mechanics and related topics. Papers are especially sought
in the areas of biomechanics and penetration/impact dynamics in
which symposia are planned. If researchers would like to
propose additional symposia in other areas, please contact
Howard Wilson.

Research results can be submitted either as an abstract or a
full-length paper. Only full-length papers will be published in the
hardback proceedings of the conference. Both abstracts and
full-length papers will be reviewed. Accepted abstracts and full-
length papers will be presented at the conference.
There is also a student paper competition.
Student papers must be authored by students only.
Mail three copies of full-length papers or abstracts by
September 30, 1995 to:
Howard B. Wilson, Editorial Committee Chair, SECTAM XVIII
Department of Engineering Science and Mechanics
University of Alabama
Box 870278
Tuscaloosa, AL 35487-0278

For general information, please contact:
Ms. Patty Stewart, SECTAM XVIII
University of Alabama
Box 870278
Tuscaloosa, AL 35487-0278
Phone: (205) 348-7251
FAX: (205) 348-7240
World Wide Web:


From: Francoise Chatelin <>
Date: Wed, 30 Aug 1995 14:32:29 +0200
Subject: Workshop on Eigenvalues and Stability at CERFACS

CERFACS International Linear Algebra Year...Eigenvalues and Stability Workshop

As announced in an earlier message to the NA-digest [Volume 95, Issue 15],
CERFACS in Toulouse (France) is organizing the International Linear Algebra
Year (ILAY) from September 1, 1995 to September 1, 1996.

Please find below detailed information about the workshop on Eigenvalues
and Stability that will be held this October. It is the second of four
workshops that will be held during the Year.

Note that we have extended the pre-registration deadline for this workshop
by two weeks until SEPTEMBER 15.


DATE: October 17-20, 1995


[There may be some minor changes to the order of the talks and the titles
for each day are for guidance only].

Tuesday October 17: Tutorial / industrially oriented day

* J.-C. Dunyach (Aerospatiale, France)
Title to be announced
* F. Chaitin-Chatelin (Univ. Paris IX Dauphine and CERFACS, France)
How safe are computer simulations in practice ?
* J. Demmel (Univ. of Berkeley, USA)
Recent progress in fast and accurate eigenroutines
* J. Lewis (Boeing, USA)
Title to be announced
* P. Trouve (Thomson-CSF, France)
Title to be announced
* L. N. Trefethen (Cornell Univ., USA)
When non-normality meets nonlinearity

Wednesday October 18: Unsymmetric eigenproblems

* I. Ipsen (North Carolina State Univ., USA)
Computing an eigenvector by inverse iteration
* C. Meyer (North Carolina State Univ., USA)
Aggregation methods for nearly uncoupled systems
* A. Edelman (MIT, USA)
Title to be announced
* J. Scott (RAL, United Kingdom)
An evaluation of software for solving large sparse unsymmetric
eigenvalue problems
* V. Toumazou (CERFACS, France)
Parallel spectral portraits
* S. Gratton (CERFACS, France)
More condition numbers in Linear Algebra
* G. Strang (MIT, USA)
Eigenvalues of Toeplitz matrices with 1 x 2 blocks

Thursday October 19: Symmetric eigenproblems

* B. N. Parlett (Univ. of Berkeley, USA)
Title to be announced
* G. Sleijpen (Univ. of Utrecht, Netherlands)
The Jacobi-Davidson method for eigenvalue and generalized eigenvalue
* Y. Saad (Univ. of Minnesota, USA)
Solution of large eigenvalue problems in electronic structure calculations

* Afternoon free for informal discussions

Friday October 20: Krylov based methods

* D. Sorensen (Rice Univ., USA)
Implicitly Restarted Arnoldi/Lanczos Methods for Large Scale Eigenvalue
* J. Cullum (IBM, USA)
Arnoldi versus nonsymmetric Lanczos algorithms for matrix eigenvalue
* Z. Strakos (Acad. of Sciences of Prague, Czech Republic)
Eigenvalues and convergence of Krylov space methods
* B. Kagstrom (Univ. of Umea, Sweden)
Title to be announced
* V. Simoncini (IMGA-CNR, Modena, Italy)
Ritz and pseudo-Ritz values using matrix polynomials
* N. J. Higham (Univ. of Manchester, United Kingdom)
Rounding errors in eigenvalue computations

Poster session :
* T. Cao-Huu (Harvard, USA)
Parameter estimation with singular value decomposition in tomography
* M. Bruehl (Universitaet Karlsruhe, Germany)
A curve tracing algorithm for computing the pseudospectrum
* J.-L. Fattebert (EPFL - Lausanne, Switzerland)
An inverse power method using multigrid to solve an eigenvalue problem in
electronic structure calculation
* N. Martins (CEPEL, Brazil)
An advanced subspace iteration method incorporating multiple moving-shifts
and Mobius transforms
* K. Meerbergen (K.U. Leuven, Belgium)
Shift-invert Arnoldi in practice

The workshop will be held at the UNESCO Centre in Toulouse.

Because of support, we are able to keep the cost to 1500 FFR (for
registration, documentation, lunches, tea and coffee) for the four-day
workshop, with a reduction to 1000 FFR for full-time students, and a fee
of 3000 FFR for non-academics. Reduced price accommodation is available at
UNESCO and a limited amount of very cheap accommodation is available at the
meteo residences near the CERFACS building.

Up-to-date information on this workshop (including the abstracts of the talks,
registration forms, etc.) can be found through the WWW page:

Up-to-date information on the other ILAY workshops and the visitor programme
can be obtained through the ILAY home page:

Please contact if you wish to receive additional information.


From: Jeanne Butler <>
Date: Wed, 30 Aug 1995 13:51:57 -0400
Subject: CTC Symposium: Protein Structure and Folding

OCTOBER 10 -11, 1995

For detailed announcement and/or more information:



From: Nil Mackey <>
Date: Fri, 1 Sep 1995 07:28:40 -0400
Subject: Symposium on Matrix Analysis & Applications

Kalamazoo, MI

Third Symposium
October 13 -- 14, 1995
Registration Deadline: September 20, 1995

Principal Speakers:

Richard Brualdi, University of Wisconsin, "Majorization and Doubly
Stochastic Matrices"

P. J. Eberlein, SUNY at Buffalo, "On the Importance of Being Normal"

Roger A. Horn, University of Utah, "Hadamard Products, Unitarily
Invariant Norms, and Perturbation Bounds for the Polar Decomposition"

Charles R. Johnson, College of William & Mary, "Matrix Completion Theory"

G. W. Stewart, University of Maryland, "Schur Complements and Spectral
Decompositions, or How to Compute Eigenvalues with Gaussian Elimination"

Invited and Contributed Speakers include:

Sergey Belyi, University of South Florida, "System with Unbounded
Operators and J-contractive Operator Valued Functions in the Half Plane"

Kenneth Driessel, Iowa State University, "On the Geometry of an
Isospectral Surface"

Zlatko Drmac, University of Colorado at Boulder, "Relative Eigenvalue
Perturbations of Diagonalizable Matrices"

Vyacheslav Girko, Bowling Green State University, "The Elliptic Law:
Ten Years Later"

Michael Grady, Georgia State University, "The Geometry of an Interchange"

Richard Hill, Michigan State University, "A Survey of Eigenvalue
Interlacing Results"

Philip Hsieh, Western Michigan University, "Construction of a
Fundamental Matrix Solution at a Singular Point of the First
Kind by Means of the S - N Decomposition of Matrices"

Wenchao Huang, University of Wisconsin-Madison, "Stability of
Polytopes and Cones of Matrices"

Michael Kinyon,Indiana University South Bend, "Algebraic structures
arising from the ER Decomposition in SU(2)"

Michael Lundquist, Brigham Young University, "A Family of Inequalities
Related to the Permanental Dominance Conjecture"

Roy Mathias, College of William and Mary, "Eigenvectors of Graded
Positive Definite Matrices"

Julio Moro, Courant Institute, New York and Universidad Complutense,
Madrid, "On Lidskii's Perturbation Theory for Eigenvalues with
Arbitrary Jordan Structure"

David Stanford, College of William and Mary, "The Minimum Positive
Determinant of Interger Matrices with Constant Row and Column Sums"

Allen Schwenk, Western Michigan University, "Eigenvalues of Various
Subgraphs of the possible Moore graph of order 3250"

Eric York, University of Notre Dame, "Polynomial Matrices Over Finite
Fields and Their Relations to Coding Theory"

Preceding the symposium, at 4pm on Thursday, 12 October 1995, will
be a University Visiting Scholar lecture by Charles R. Johnson
entitled "Generalization of the Notion of Scalar Positivity to Matrices".

A banquet is planned for Friday evening.
After dinner speaker: Roger Horn, University of Utah

Organizing Committee:
Yousef Alavi, John Petro and Niloufer Mackey
Department of Mathematics and Statistics
Western Michigan University, Kalamazoo, MI 49008.

For information on registration and accommodation
contact Niloufer Mackey (616-387-4594).


From: Plamen Yalamov <>
Date: Fri, 1 Sep 95 16:57:18 +0300
Subject: Workshop in Bulgaria


Organizers: University of Russe, Association of Bulgarian
Mathematicians - Russe

Co-organizers: Institute of Mathematics and Center for Informatics
and Information Technologies of the Bulgarian Academy
of Sciences, Technical University of Gabrovo, Technical
University of Sofia

Traditionally every 4 years a Conference on Numerical Analysis and
Applications is organized in Bulgaria. The present workshop is meant
to support this tradition and to serve as an intermediate meeting
between these conferences. We would like to give an opportunity for
mathematicians and applied scientists to discuss topics of common

The workshop will have three tracks:

1. Numerical linear algebra.
2. Numerical methods for differential equations.
3. Numerical modelling.

Preliminary list of Invited Speakers:

R. Bisseling (Netherlands), L. Brugnano (Italy),
S. K. Godunov (Russia), A. Griewank (Germany), A. Hadjidimos (USA),
S. Hammarling (UK), W. Hofmann (Germany), A. Karageorghis (Cyprus),
Yu. A. Kuznetsov (Russia), R. Maerz (Germany), W. T. Pickering (UK),
I. V. Puzynin (Russia), G. I. Shishkin (Russia), T. Szulc (Poland),
E. E. Tyrtyshnikov (Russia), W. Varnhorn (Germany),
V. V. Voevodin (Russia).

Organizing committee:

L. Vulkov (Chair), P. Yalamov (co-Chair), A. Andreev, P. Ivanova,
I. Lirkov, M. Paprzycki, V. Pavlov, S. Romanova, T. Todorov,
Z. Zlatev, K. Zlateva.

We would like to invite all interested individuals to ORGANIZE a
MINISYMPOSIUM related to one or more of the conference tracks.
Please send a minisymposium abstract (approximately one page) and
a list of 4-8 speakers to one of the addresses listed below.
The deadline for proposals is December 1, 1995.

A general call for papers and more details about the meeting will
be provided in the future announcements.

For more information, please, contact:
Plamen Yalamov Marcin Paprzycki
Dept. of Mathematics Dept. of Mathematics and CS
University of Russe UTPB
7017 Russe Odessa, TX 79762


From: Grant Guevremont <grantg@CERCA.UMontreal.CA>
Date: Fri, 1 Sep 1995 12:33:54 -0400
Subject: ASME Fluids Engineering Division Summer Meeting


1996 ASME Fluids Engineering Division Summer Meeting
July 7-11, 1996
The Hyatt Regency San Diego, San Diego, California, USA

Purpose and Scope:
Contributions in all areas of fluid dynamics involving finite
element methods are of interest. A preliminary organization of the
sessions includes incompressible, compressible, laminar,
turbulent, reacting and non-Newtonian flows, as well as industrial
and multidisciplinary applications.

Sponsored by:
Coordinating Group for Computational Fluid Dynamics of the ASME
Fluids Engineering Division.


Prof. Wagdi G. Habashi
5160 Decarie, suite 400
Montreal, Qc, Canada H3X 2H9
Phone: +1-514-369-5202
Fax: +1-514-369-3880

Dr. Michael S. Engelman
Fluid Dynamics International Inc.
Evanston, Illinois

Dr. Manoranjan N. Dhaubhadel
Ford Motor Company
Dearborn, Michigan


1996 ASME Fluids Engineering Division Summer Meeting
July 7-11, 1996
The Hyatt Regency San Diego, San Diego, California, USA

Purpose and Scope:
Topics include novel and enhanced numerical algorithms, solvers,
advanced architecture computing, convergence acceleration and
multidisciplinary coupling.

Sponsored by:
Coordinating Group for Computational Fluid Dynamics of the ASME
Fluids Engineering Division.


Prof. Wagdi G. Habashi
5160 Decarie, suite 400
Montreal, Qc, Canada H3X 2H9
Phone: +1-514-369-5202
Fax: +1-514-369-3880

Dr. Manoranjan N. Dhaubhadel
Ford Motor Company
Dearborn, Michigan


From: Grant Guevremont <grantg@CERCA.UMontreal.CA>
Date: Fri, 1 Sep 1995 12:38:40 -0400
Subject: Computer Simulation of Aircraft and Engine Icing


Aircraft taking off from or landing at airports and/or flying
through clouds under adverse conditions may encounter the problem
of ice formation on aircraft surfaces and critical engine
components. This can jeopardize flight by increasing the weight,
altering the aerodynamic performance, and directly affecting
stability. While such problems have been studied and addressed
for over half a century by icing tests at specialized facilities,
more recently simulation by Computational Fluid Dynamics (CFD)
has proven itself a low-cost, flexible and effective
complementary tool for such studies. The current trend is to
bring to bear the latest computational and simulation tools to
understand and combat the icing problem. Such efforts have
resulted in codes, made available to aircraft/engine
manufacturers, airlines and regulatory agencies, on a national

We are seizing the opportunity of the meeting of the American
Helicopter Society in Montreal to invite 3 prominent scientists
in this area to speak of the efforts in their countries. The
speakers are from NASA (USA), ONERA (France) and NIAR (National
Institute of Aerospace Research, USA).

This timely course should be of value to all involved in icing
problems as it will illustrate the state-of-the-art in icing
problems simulation. It is structured to be of equal interest to
users of codes, operators of equipment and developers of
methodology, such as:

Aircraft manufacturers
Engine manufacturers
Airlines and aircraft operators
De-icing and anti-icing specialists
Icing tunnel scientists
Flight simulator manufacturers
Regulatory agencies

Dr. Mark Potapczuk, NASA-Lewis Research Center, Cleveland, USA
Dr. Didier Guffond, ONERA, Chatillon-sous-Bagneux, France
Prof. Ramesh Agarwal, Wichita State University and NIAR, USA

Cost: $200 CAD, including course notes, coffee breaks,
buffet lunch and taxes
$75 CAD, for students
Place: CERCA
5160 Decarie, suite 400
Montreal, Quebec, Canada H3X 2H9
By email:, fax (1-514-369-3880)
or phone: (1-514-369-5201)

For more Information check the following Web page:


From: Baltzer Science Publishers <>
Date: Mon, 28 Aug 1995 15:16:17 +0200
Subject: Contents, Numerical Algorithms

(ISSN 1017 1398).
Volume 10, N0. 1-2, 1995.
Editor-in-Chief: Claude Brezinski


pp. 1-12; G. Baszenski and F.-J. Delvos, Computational aspects of Boolean

pp. 13-26; B.C. Carlson, Numerical computation of real or complex elliptic

pp. 27-40; L. Gori and E. Santi, On the evaluation of Hilbert transforms by
means of a particularclass of Turan quadrature rules

pp. 41-50; D.B. Hunter, The evaluation of Legendre functions of the second kind

pp. 51-68; A. Iserles and S.P. Norsett, Explicit representations of
biorthogonal polynomials

pp. 69-112; L. Lorentzen, Computation of limit periodic continued
fractions. A survey

pp. 113-126; G. Mastroianni, Generalized Christoffel functions and error of
positive quadrature

pp. 127-136; G.V. Milovanovic, Summation of series and Gaussian quadratures, II

pp. 137-154; J.M. Montaner and M. Alfaro, On five-diagonal Toeplitz
matrices and orthogonal polynomials on the unit circle

pp. 155-166; M. Morandi Cecchi and E. Pirozzi, A recursive algorithm by the
moments method to evaluate a class of numerical integrals over an infinite

pp. 167-186; S.E. Notaris, Stieltjes polynomials and Gauss--Kronrod
quadrature formulae for measures induced by Chebyshev polynomials

pp. 187-202; K. Petras, Gaussian integration of Chebyshev polynomials and
analytic functions


From: SIAM <>
Date: Wed, 30 Aug 95 09:07:25 EST
Subject: Contents, SIAM Optimization



Some Convergence Properties of the Modified Log Barrier Method for
Linear Programming
M. J. D. Powell

Fast Interior Point Methods for Bipartite Matching
Lov K. Grover

Convergence of a Factorized Broyden-like Family for Nonlinear Least
Squares Problems
Hiroshi Yabe and Naokazu Yamaki

Sequential Quadratic Programming with Penalization of the Displacement
J. F. Bonnans and G. Launay

Global Optimality Conditions and Their Geometric Interpretation for
the Chemical and Phase Equilibrium Problem
Y. Jiang, W. R. Smith, and G. R. Chapman

The Molecule Problem: Exploiting Structure in Global Optimization
Bruce Hendrickson

An Information Global Optimization Algorithm with Local Tuning
Yaroslav D. Sergeyev

Potential Transformation Methods for Large-Scale Global Optimization
Jack W. Rogers, Jr. and Robert A. Donnelly

Existence and Regularity of Solutions to a Variational Problem of
Mumford and Shah: A Constructive Approach
Yang Wang


From: Angelika Binding <>
Date: Thu, 31 Aug 1995 09:54:26 +0000 (N)
Subject: Contents, Numerische Mathematik

Numerische Mathematik
Volume 71 Number 03 (1995)

Determinantal representations for the J transformation. P 275.

Hou-L-S. Turner-J-C.
Analysis and finite element approximation of an optimal control
problem in electrochemistry with current density controls. P 289.

A numerical method for computing singular minimizers. P 317.

Morton-K-W. Sueli-E.
Evolution-Galerkin methods and their supraconvergence. P 331.

Orthogonality of residual polynomials used in minimax polynomial
preconditioning. P 357.

Fourier analysis of a robust multigrid method for
convection-diffusion equations. P 365.

The maximum angle condition in the finite element method for
monotone problems with applications in magnetostatics. P 399.


From: Angelika Binding <>
Date: Thu, 31 Aug 1995 09:54:26 +0000 (N)
Subject: Contents, Numerische Mathematik

Numerische Mathematik
Volume 71 Number 04 (1995)

Achdou-Y. Kuznetsov-Y-A. Pironneau-O.
Substructuring preconditioners for the FORMULA $Q_1$ /FORMULA
mortar element method. P 419.

Kang-F. Zai-jiu-S.
Volume-preserving algorithms for source-free dynamical systems. P 451.

Ghaddar-C. Maday-Y. Patera-A-T.
Analysis of a part design procedure. P 465.

Gottlieb-D. Shu-C-W.
On the Gibbs phenomenon V: recovering exponential accuracy from
collocation point values of a piecewise analytic function. P 511.

Kroener-D. Noelle-S. Rokyta-M.
Convergence of higher order upwind finite volume schemes on
unstructured grids for scalar conservation laws in several space
dimensions. P 527.


End of NA Digest