Send mail to:  mgnet@cs.yale.edu             for the digests or bakeoff
               mgnet-requests@cs.yale.edu    for comments or help
 
Anonymous ftp repository:  www.mgnet.org (128.163.209.19)
 
Current editor:  Craig Douglas douglas-craig@cs.yale.edu
 

WWW Sites:  http://www.mgnet.org or
            http://casper.cs.yale.edu/mgnet/www/mgnet.html or
            http://www.cerfacs.fr/~douglas/mgnet.html or
            http://phase.hpcc.jp/mirrors/mgnet or
            http://www.tat.physik.uni-tuebingen.de/~mgnet

To be removed from the mailing list, just reply to a message.  My real e-mail
address is in the From field.

Today's editor:  Craig Douglas (douglas-craig@cs.yale.edu)

Volume 14, Number 2 (approximately February 29, 2004)
Volume 14, Number 3 (approximately March 31, 2004)
Volume 14, Number 4 (approximately April 30, 2004)
Volume 14, Number 5 (approximately May 31, 2004)

Today's topics:

     What Happened to MGNet?
     Copper Mountain Iterative Methods
     Postdoc Positions at RICAM (Linz, Austria)
     Conference announcement for MGnet
     NLA Special-Issue available online
     Contents of Journal of Korean SIAM
     Preliminary Announcement EMG2005
     Mathematica Geometric Multigrid Tutorial
     Fifth ACTS Collection Workshop
     ETNA Special Issue on Saddle Point Problems

-------------------------------------------------------

Date: Sun, 30 May 2004 10:22:21 -0400
From: Craig Douglas 
Subject: What Happened to MGNet?

No, you have not missed volume 14, numbers 2-4 yet...

I keep the real source of MGNet off the Internet as a result of several
hackers over the years breaking into the web server through various operating
system defects.  This has worked very well until February.  The same chip
failed on the motherboards of 3 machines and a fourth machine was unusable on
arrival.  Having to reload all of my files 7 times since the middle of
February really shut MGNet down for updates.

It will take a little while longer to get completely back up to speed.  Please
have patience.

-------------------------------------------------------

Date: Sun, 30 May 2004 14:21:22 -0400
From: Craig Douglas 
Subject: Copper Mountain Iterative Methods

The virtual proceedings are late...  really late.  However, I would like to
invite all of the attendees to submit a paper, extended abstract, or
presentation.

If you sent me a paper already, I have not lost it.  My email was intact
throughout the computer failures.

-------------------------------------------------------

Date: Wed, 25 Feb 2004 10:03:35 +0100
From: Roland Griesse 
Subject: Postdoc Positions at RICAM (Linz, Austria)

POSTDOCPOSITIONS AT THE
JOHANN RADON INSTITUTE FOR COMPUTATIONAL AND APPLIED MATHEMATICS (RICAM)
OF THE AUSTRIAN ACADEMY OF SCIENCES, AUSTRIA

RICAM is a research institute which went into operation on January 1, 2003,
and will be gradually built up to a total of 25 PostDoc positions in six
areas:

    * Scientific Computing - Computational Methods for Direct Field Problems
    * Scientific Computing - Inverse Problems
    * Scientific Computing - Optimization and Control
    * Symbolic Computation
    * Analysis of Partial Differential Equations
    * Mathematical Finance

The institute is housed on the campus of the Johannes Kepler Universitaet in
Linz, a town of about 200.000 on the Danube, very close to the Austrian Alps,
and half-way between Vienna and Salzburg.

The Scientific computing - Optimization and Control Group is searching two
PostDocs with a strong background in applications to partial differential
equations or variational problems.  Researchers with a background in fluid
mechanics or life science applications are especially welcome.  For
information contact Prof.  K. Kunisch at karl.kunisch@uni-graz.at.

PostDocs interested to work in one of the other research areas are encouraged
to inquire with the director, Prof.  Heinz Engl, heinz.engl@oeaw.ac.at

For all positions a doctorate in mathematics or a closely related field is
required.  The working language is English.  The positions are initially for
up to three years, one renewal for three more years is possible depending on
achievements.

Two sets of applications with personal and scientific data, copies of relevant
documents and a statement about scientific interests and achievements should
be sent to

Prof. Dr. Heinz W. Engl
Johann Radon Institute
Austrian Academy of Sciences
Altenbergerstrassee 69
A-4040 Linz, Austria

-------------------------------------------------------

Date: Thu, 11 Mar 2004 14:08:38 -0600
From: "Chen, Zhangxin" 
Subject: Conference announcement for MGnet

             Announcement and Call for Papers

                International Conference on
         Scientific Computing in Petroleum Industry
                    August 4--7, 2004
                   Beijing, P.R. China
             http://www.rdcps.ac.cn/scpi2004/

Sponsors:
* China National Offshore Oil Corp. (CNOOC)
* Institute of Software, Chinese Academy of Science (CAS)
* Science and Technology Cooperation Office, CAS
* The Major Basic Project of China

Conference Chairs:
Jiachang Sun, Institute of Software, CAS
Guanquan Zhang, Institute of Computational Mathematics, CAS

Advisory Committee:
Dakuang Han, China National Petroleum Corp., China
Zaitian Ma, Tongji University, China
Zhongci Shi, Institute of Computational Mathematics, CAS
Hengyi Zeng, China National Offshore Oil Corp., China
Zhemin Zheng, Institute of Mechanics, Chinese Academy of Sciences

Program Committee:
Jianwen Cao, Institute of Software, CAS
Zhangxing Chen, Southern Methodist University, USA
Qiang Du (Chair), Penn State University, USA
Longan Ying, Peking University, China
Yirang Yuan, Shandong University, China

Organizing Committee:
Zhiming Chen, Institute of Computational Mathematics, CAS
Shenghou He,  China Petroleum & Chemical Corp., China
Yucheng Li (Chair), Institute of Software, CAS
Weiyuan, Wang, China National Offshore Oil Corp. China
Yingxiang Wu, Institute of Mechanics, Chinese Academy of Sciences

Invited Speakers:
Zhongzhi Bai, Institute of Computational Mathematics, CAS
Biondo Biondi, Stanford University, USA
Xiao-chuan Cai, University of Colorado at Boulder, USA
Jianwen Cao,   Institute of Software, CAS
Zhangxing Chen, Southern Methodist University, USA
Jim Douglas, Jr., Purdue University, USA
Qiang Du, Penn State University, USA
Weinan E, Princeton University, USA
Richard E. Ewing, Texas A&M University, USA
Dakuang Han, China National Petroleum Corp., China
Hong Liu, Institute of Geology and Geophysics, CAS
Wei Liu, Houston Technology Center of Baker Hughes, USA
Yunqing Huang, Xiangtan University, China
Yuanle Ma, Tsinghua University, China
Zaitian Ma, Tongji University, China
Hermilo Ramirez-Leon, Mexican Institute of Petroleum, Mexico
Thomas Russell, University of Colorado, USA
Jiachang Sun, Institute of Software, CAS, China
Xue-cheng Tai, University of Bergen, Norway
Danping Yang, Shandong University, China
Yaozhong Yang, Shengli Petroleum Administrative Bureau, China
Yirang, Yuan, Shandong University, China
Hengyi, Zeng,   China National Offshore Oil Corp., China
Guanquan Zhang, Institute of Computational Mathematics, CAS
Wensheng Zhang, Institute of Computational Mathematics, CAS
Guozhong Zhao, Daqing Petroleum Administrative bureau, China

Conference Themes:
*Large scale reservoir numerical simulation: Algorithms,
 applications, parallel computation, and software
*Continuation and subsurface imaging in seismic exploration
*Wavefield modeling
*Numerical computation of super-large scale algebraic equations:
 linear and nonlinear solution schemes, iterative methods,
 multigrid methods, and domain decomposition for reservoir simulation
*Mathematical methods in petroleum industry
*Key techniques for new generation of petroleum computing software

Conference Format:
The conference will consist of 45-minute invited
talks and 30-minute contributed talks.
The conference language is English.

Call for Papers:
Participants wishing to present a paper in a field related
to the conference themes are invited to submit
a one-page abstract in English to Dr. Hongwei Li at
lhw@mail.rdcps.ac.cn. Please include the address, telephone, fax,
and e-mail address of the primary contact person.
The abstract can be submitted online through
   http://www.rdcps.ac.cn/scpi2004/

Important Dates:
Deadline for title and abstract submission: April 20, 2004
Notification of acceptance of presentation: May 15, 2004
Early registration: June 15, 2004
Conference: August 4-7, 2004

IMPORTANCE: This conefernce is right before the conference:
High Performance Computing and Applications (HPCA 2004),
August 8--10, 2004, Shanghai, China. For more information
on HPCA 2004, refer to
http://www.smu.edu/math/CSC/index.html

-------------------------------------------------------

Date: Wed, 17 Mar 2004 10:20:01 +0200
From: "Irad Yavneh" 
Subject: NLA Special-Issue available online

Panayot has just informed me that the NLA CMMG special issue is now
available online:

    http://www3.interscience.wiley.com/cgi-bin/jissue/107632537

Thanks very much to Panayot for the rapid and seamless handling!
Irad

    Editor's Note: Here are the contents...
    -------------

Irad Yavneh
Editorial (p 91)

F. J. Gaspar, F. J. Lisbona, C. W. Oosterlee, R. Wienands
A systematic comparison of coupled and distributive smoothing in multigrid for
the poroelasticity system (p 93-113)

Travis M. Austin, Thomas A. Manteuffel, Steve McCormick
A robust multilevel approach for minimizing H(div)-dominated functionals in an
H1-conforming finite element space (p 115-140)

Mark F. Adams
Algebraic multigrid methods for constrained linear systems with applications
to contact problems in solid mechanics (p 141-153)

Ulrike Meier Yang
On the use of relaxation parameters in hybrid smoothers (p 155-172)

C. C. Douglas, J. Hu, J. Ray, D. T. Thorne, R. S. Tuminaro
Cache aware multigrid for variable coefficient elliptic problems on adaptive
mesh refinement hierarchies (p 173-187)

Ana H. Iontcheva, Panayot S. Vassilevski
Monotone multigrid methods based on element agglomeration coarsening away from
the contact boundary for the Signorini's problem (p 189-204)

O. E. Livne
Coarsening by compatible relaxation (p 205-227)

Irene Livshits
An algebraic multigrid wave-ray algorithm to solve eigenvalue problems for the
Helmholtz operator (p 229-239)

Gregory Dardyk, Irad Yavneh
A multigrid approach to two-dimensional phase unwrapping (p 241-259)

Maria Murillo, Xiao-Chuan Cai
A fully implicit parallel algorithm for simulating the non-linear electrical
act ivity of the heart (p 261-277)

Benjamin Karl Bergen, Frank HC
Subject: pltmg9.0/mgnet

PLTMG 9.0 is a package for solving elliptic partial differential equations in
general regions of the plane.  It is based on continuous piecewise linear
triangular finite elements, and features adaptive local mesh refinement,
multigraph iteration, and pseudo-arclength continuation options for parameter
dependencies.  It also provides options for solving several classes of optimal
control and obstacle problems.  The package includes an initial mesh generator
and several graphics packages.  Support for the Bank-Holst parallel adaptive
meshing strategy is also provided.

PLTMG is provided as Fortran (and a little C) source code, in both single and
double precision versions.  The code has interfaces to X-Windows, MPI, and
Michael Holst's OpenGL image viewer SG.  The X-Windows, MPI, and SG interfaces
require libraries that are NOT provided as part of the PLTMG package.  PLTMG
is available from Netlib, Mgnet, and my homepage:
http://scicomp.ucsd.edu/~reb/

    Editor's Note: See http://www.mgnet.org/mgnet-codes-pltmg.html
    -------------

-------------------------------------------------------

Date: Mon, 22 Mar 2004 15:57:02 +0900
From: Do Y. Kwak 
Subject: Contents of Journal of Korean SIAM

I would like to post the contents of Journal of Korean SIAM which I am serving  as an editor.

Sincerely,
Do Y. Kwak

Professor,
Managing Editor of J. KSIAM.
Department of Mathematics
KAIST(Korea Advanced Institute of  Science and Technology)
Taejon, Korea
dykwak@math.kaist.ac.kr
kdy@kaist.ac.kr

The Korea Society for Industrial and Applied Mathematics
Contents
VOL. 7  No. 2               DECEMBER  2003

A surface extension method using several control functions
    Hoi Sub Kim, Kwan  Pyo Ko and Gang Joon Yoon           1

Simulations in option pricing models applied to KOSPI200
    Jonu Lee and Seki Kim                                  13

Controllability of perturbed integrodifferential systems with prescribed
controls
    K.Balachandran and K.Sakthivel                         23

Finite volume element methods for nonlinear parabolic integrodifferential
problems
    Huanrong Li and Qian Li                                35

On numerical properties of complex symmetric householder matrices
    Alicja Smoktunowicz, Adam Grabarski                    51

A numerical method for solving the nonlinear integral equation of the second
kind
    F.A. Salama                                            65

Multigrid method for an accurate semi-analytic finite difference scheme
    Jun S. Lee                                             75

Generalized systems of relaxed g--r cocoercive nonlinear variational
inequalities and projection methods
    Ram U. Verma                                           83

-------------------------------------------------------

Date: Thu, 25 Mar 2004 13:49:09 +0100
From: Kees Oosterlee 
Subject: Preliminary Announcement EMG2005

EMG2005: 8th European Multigrid Conference

27-30 September 2005, Scheveningen, The Hague, The Netherlands

Topics: Multigrid, multilevel and multiscale methods
Venue: Scheveningen Pier, 300 meters offshore

Organizing committee:

P.Wesseling, TU Delft
C.W. Oosterlee, TU Delft
P. Hemker, CWI Amsterdam
W. Hackbusch, MPI Leipzig
G. Wittum, U. Heidelberg

Further details will be made available via the conference website
pcse.tudelft.nl/emg2005
Enquiries can be addressed by email to emg2005@math.tudelft.nl

Posted by C.W. Oosterlee
Delft University of Technology
Faculty of Information Technology and Systems
Numerical Analysis Group
tel:  +31 15 2788283 
email: c.w.oosterlee@ewi.tudelft.nl
http://ta.twi.tudelft.nl/people/C.W.Oosterlee

-------------------------------------------------------

Date: Thu, 8 Apr 2004 13:08:46 +0200 (CEST)
From: Oliver Ruebenkoenig 
Subject: Mathematica Geometric Multigrid Tutorial

Perhaps i have something for http://www.mgnet.org/

I have written a mathematica tutorial for multigrid.  The advantage of a
mathematica tutorial are in the way mathematica allows to do documentation.
It is possible to explain the principals of multigrid and immediately show the
code leading to a multigrid algorithm.  Thus the mathematica tutorial can be
used to cross-check an implementation in another language.

The home page of our mathematica packages is at:
http://www.imtek.uni-freiburg.de/simulation/mathematica/IMSweb/

Unfortunately I am not able to convert the tutorial to html (this is a 
mathematica problem but I am working on this)

Kind regards from Germany,
Oliver

Oliver Ruebenkoenig, 
   Phone: ++49 +761 203 7385

    Editor's Note: For the moment, use the link above.
    -------------

-------------------------------------------------------

Date: Wed, 21 Apr 2004 16:07:17 -0700
From: Tony Drummond 
Subject: Fifth ACTS Collection Workshop

Fifth Workshop on the DOE
Advanced Computational Software Collection
http://acts.nersc.gov/events/Workshop2004

Enabling Technologies For High End Computer Simulations

Place: Lawrence Berkeley National Laboratory
Date: August 24-27, 2004

The DOE Advanced CompuTational Software Collection (ACTS Collection,
http://acts.nersc.gov) comprises a set of tools mainly developed at the
Department of Energy's (DOE) laboratories.  These software tools aim to
simplify the solution of common and important computational problems and have
substantially benefited a wide range of scientific and industrial
applications.  These benefits are accounted not only for running efficiently
in high performing computing environments but also realizing computation that
would not have been possible otherwise.

Despite these successes, there is still a need for a greater infrastructure to
each out academia and industry through a dissemination and instruction on the
state-of-the-art tools for high performance computing environments and
simultaneously provide an umbrella for tool developers to receive the feedback
from these communities.  This workshop is part of an approach to build such an
infrastructure.

The four-day workshop will present an introduction to the ACTS Collection for
application scientists whose research demand includes either large amounts of
computation, a large volume of data manipulation, the use of robust numerical
algorithms, or combinations of these.  The workshop will include a range of
tutorials on the tools (currently available in the collection and some
deliverables from the DOE SciDAC ISICs), discussion sessions aimed to solve
specific computational needs by the participants, and hands-on practices using
the NERSC's state-of-the-art computers.  We are planning to organize parallel
sessions and group the tutorials by topics, as follows:

+   Direct and Iterative Methods for the solution of linear and
    non-linear systems of equations
+   PDE's and Multi-level Methods
+   Numerical Optimization
+   Structured and Unstructured meshes (Generation, Manipulation
    and Computation)
+   Development of High Performance Computing applications
+   Performance monitoring and tuning
+   Grid computing
+  Software Interoperability

Who Should attend this workshop?

This workshop is opened to computational scientists from industry and
academia.  Registration fees are fully sponsored by the DOE's office of
Science.  In addition, DOE will sponsor travel expenses for a limited number
of graduate students and postdoctoral fellows.  This support includes
round-trip transportation to and from Berkeley, local transportation in
Berkeley, lodging, breakfasts, lunches and workshop materials.

The format of this workshop is tailored to the computational problems and
needs of its participants and functionality available in the ACTS Collection.
To effectively meet our goals, the number of participants is limited and
people interested in attending must fill out an on-line application form no
later than June 11, 2004.  In addition, graduate students and postdoctoral
fellows applying for travel support must provide a letter of support from
their advisor or supervisor.  This letter must also be submitted on-line and
no later than the June 11, 2004 deadline.

For more information on the workshop, please contact Tony Drummond at
(510) 486-7624 or Osni Marques at (510) 486-5290.

Important Dates to Remember:

   Proposal submission deadline:   June 25, 2004
   Proposal review completed and invitations sent:  July 2, 2004
   Attendee confirmation of participation deadline:  July 16, 2004
   Travel arrangements completed for all:  July 30, 2004
   Workshop Dates:  August 24-27, 2004

Relevant Links:

   ACTS Collection information: http://acts.nersc.gov
   On-line application form:
       http://acts.nersc.gov/events/Workshop2004/application.html
   On-line support letter submission:
       http://acts.nersc.gov/events/Workshop2004/recommendation.html

Tony Drummond
LBNL - MS 50F 1650             Phone: (510) 486-7624
One Cyclotron Rd                  FAX: (510) 486-5812
Berkeley, CA 94720             E-mail: LADrummond@lbl.gov

-------------------------------------------------------

Date: Thu, 20 May 2004 14:33:03 -0400 (EDT)
From: Michele Benzi 
Subject: ETNA Special Issue on Saddle Point Problems

Special issue of ETNA on 
    "Saddle point problems: numerical solution and applications"

Dear Colleagues,

The journal Electronic Transactions on Numerical Analysis (ETNA) will devote a
special issue to the solution of saddle point problems.  These problems arise
in systems of PDEs with conservation laws (including Stokes and Navier-Stokes
equations, incompressible linear elasticity, magnetostatics, etc.), in
constrained optimization problems, in generalized least squares problems, and
elsewhere.  Such problems pervade computational science and engineering, and
their efficient numerical solution is of paramount importance.  However, to
compute accurate solutions to saddle point problems at a reasonable cost has
proved difficult.  As a consequence, a significant effort has been devoted to
define proper formulations, (stabilized) discretizations, and fast solution
methods for discretized saddle point problems and their generalizations.

The present issue aims to attract papers on the continuous and discrete
formulation of saddle point problems in all aspects of computational science,
both for specific problems and in general, and on efficient solution
techniques for the resulting systems of equations.  Papers describing novel
applications leading to saddle point problems are also of interest.

Manuscripts should be submitted electronically to one of the special issue
editors listed below.  The deadline for submission of papers is December 15,
2004.  All submissions will undergo the standard refereeing process used for
regular ETNA papers.  The issue is expected to appear by the end of 2005.  For
more information on ETNA, see the web site

http://etna.mcs.kent.edu/

If you have any questions, please contact the editors of the special issue.

Michele Benzi (benzi@mathcs.emory.edu)
Richard B. Lehoucq (rblehou@sandia.gov)
Eric de Sturler (sturler@cs.uiuc.edu)

------------------------------

End of MGNet Digest
**************************