NA Digest Sunday, August 13, 2006 Volume 06 : Issue 33

Today's Editor:
Tamara G. Kolda
Sandia National Labs

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From: Andrew Knyazev <>
Date: Sat, 12 Aug 2006 15:31:21 -0600
Subject: E. G. D'yakonov, July 2, 1935 - August 11, 2006

Evgenii Georgievich D'yakonov had obtained his Ph.D. under the direction of
S.L. Sobolev in 1963 and worked in the Moscow State University at the college
of Computational Mathematics and Cybernetics. He had scientific interests in
many areas of numerical mathematics and PDE's and authored over 100 papers
(e.g., MathSciNet listed 118 items under the name D'yakonov,E.G.) and several

His only book in English: D'yakonov, Eugene G. Optimization in solving
elliptic problems. CRC Press, Boca Raton, FL, 1996. xxviii+562 pp. ISBN
0-8493-2872-1, covered a great variety of topics on PDEs, FEM, Navier-Stokes,
plates and shells, iterative solvers, ADI, multigrid, eigenvalue problems,
just to name some, and had truly an encyclopedic nature. D'yakonov had
finished the book while visiting the University of Colorado at Denver in 1994,
and I remembered well how he tried hard to fit his great knowledge within the
strict page limit. The resulting text was quite condensed with lots of
footnotes in small print, but reading it was worth every effort as it
collected together many great ideas and results that cannot be found in other

D'yakonov was mostly recognized in the numerical community for his pioneering
work in 60-80s on efficient "spectrally equivalent" preconditioning for
linear systems and eigenvalue problems. In the last decade, strengthened
Sobolev spaces became D'yakonov's passion and main topic of research. These
novel and unusual function spaces were specially constructed by D'yakonov to
deal with strengthened elastic structures that were common in mechanical

I was lucky to be his student at the Moscow State University. He was my MS
adviser and a coathor of my first paper in 1981. With his students, D'yakonov
was really a guru, rather than just a scientific adviser, passionate and
inspirational, always ready to help. I will never forget his home phone number
and the fact that he had blessed my marriage.

D'yakonov strong character, honesty, and sometimes unwillingness to compromise
were legendary among those of us who were privileged to know him
personally. Once I came to his home to tell him about my new math idea. He
listened for a minute, but then interrupted me, saying that it was not
interesting. I insisted, so he let me finished and then said: "It was not
worth my time listening, it was not worth even your time telling me." Much
later on, this ideas was published by somebody else and even became popular
for a few years, but D'yakonov was right --- he was always right. He will be
remembered and missed by his colleagues and thousand of students whom he

I found and scanned a photo of him, visiting NY in 1993, see


From: Michael Pernice <>
Date: Mon, 07 Aug 2006 09:38:06 -0600
Subject: Comp. Magnetohydrodynamics Minisymposium presentations now online


Recently, we organized a minisymposium on "Advances in Computational
Magnetohydrodynamics" at the 2006 SIAM Annual Meeting. During the
minisymposium, we received numerous requests to provide electronic
copies of the presentations. These are now available at the web


Michael Pernice
Computer, Computational and Statistical Sciences Division
Los Alamos National Laboratory
P.O. Box 1663, MS B265
Los Alamos, NM 87545


From: "Prof. Heinz W. Engl" <>
Date: Thu, 10 Aug 2006 10:31:38 +0200 (CEST)
Subject: Radon ICIAM Grants

Radon - ICIAM - Grants

The Johann Radon Institute for Computational and Applied Mathematics (RICAM)
of the Austrian Academy of Sciences

announces up to 10 grants which cover the cost of

* a stay of two weeks at RICAM in Linz right before ICIAM 07.
* the stay at ICIAM 07 in Zürich.

Travel (as cheap as possible), registration to ICIAM and accommodation and
subsistence in Linz and Zürich are covered by these grants.

Applications are invited from mathematicians born 1971 or later, who live
and work in Central and Eastern Europe including those EU-Countries that
joined the Union in 2005. Preference is given to applicants whose scientific
expertise is close to the fields represented at RICAM.

Applications should be sent by September 30, 2006 to

These applications should include a short statement about scientific
interests and achievements, a CV and a list of publications. Also, two
letters of support should directly be sent to the e-mail address given.

Successful candidates will be notified around October 15, 2006 and should
then submit an abstract to ICIAM. The grant will only be awarded if this
abstract is accepted for presentation.


From: Ilse Ipsen <>
Date: Thu, 10 Aug 2006 09:59:07 -0400
Subject: CFP, SIMAX special issue on Eigenvalue Problems



In the last 20 years, there have been a number of advances in the
accurate solution of eigenvalue problems. Well-known advances include
fast and more accurate methods for solving the symmetric tridiagonal
eigenproblem, more accurate methods for computing the singular value
decomposition, and further understanding of the conditioning theory of
the non-symmetric eigenvalue problem. The importance and relevance of
this field is underlined by the fact that it receives special
attention at a series of workshops and conferences. This year we saw
the International Workshop on Accurate Solution of Eigenvalue Problems
VI held at Penn State University May 22-25.

To recognize these advances and to encourage further advances, we plan
a Special Issue of SIAM Journal on Matrix Analysis and Applications
(SIMAX) on Accurate Solution of Eigenvalue Problems. The participants
in the above-mentioned workshop are strongly encouraged to submit
papers to the Special Issue, but also submissions of others,
consistent with the theme of the Special Issue, are welcome.

The guest editors are:

Jesse L. Barlow
Department of Computer Science and Engineering
Penn State University
University Park, PA 16802-6822, USA

Frolian M. Dopico
Departamento de Matematicas
Universidad Carlos III de Madrid
Avenida de la Universidad, 30
28911 Leganes
Madrid, Spain

Zlatko Drmac
Department of Mathematics
University of Zagreb
Bijenicka 30, 10000 Zagreb

Ilse C.F. Ipsen (Guest Editor-in-Charge)
Department of Mathematics
North Carolina State University
Raleigh, NC 27695-8205, USA

Manuscripts submitted to this Special Issue will be refereed according
to standard procedures for the SIAM Journal on Matrix Analysis and
Applications. The deadline for submissions will be April 1, 2007.

All interested should submit a manuscript in PDF format via SIMAX's
online submission site at

See Author Instructions on the site if you have not yet submitted a
paper through this web-based system. Note the block labeled Special
Section (just under the keywords block on your submission screen) and
select "Special Issue on Accurate Solution of Eigenvalue Problems -
2006" from the dropdown box. Also be sure to note in the Manuscript
Comment text box at the bottom of this page that your work is intended
for this Special Issue.

If you have any questions, contact Mitch Chernoff, Publications
Manager, SIAM, at


From: Hans Schneider <>
Date: Tue, 8 Aug 2006 21:59:26 -0500 (CDT)
Subject: CFP, LAA special issue on Intensity-Modulated Radiation Therapy

Special Issue on

Second call for Papers with extended submission deadline

Linear Algebra and its Applications (LAA) is pleased to announce a special
issue on "Linear and Nonlinear Models and Algorithms in
Intensity-Modulated Radiation Therapy (IMRT)".

IMRT is revolutionizing radiation therapy by putting at the disposal of
the medical profession powerful tools to deliver higher radiation doses to
tumors and lower radiation doses to critical organs in more accurate ways.
The scientific effort is a multidisciplinary one in which radiation
oncologists, other medical specialists, medical physicists,
mathematicians, computer scientists and engineers collaborate to study
many outstanding problems in treatment planning and delivery. The goal is
to merge this expertise and discover IMRT solutions that can produce
meaningful benefits to patients and consistent results to practitioners.
In view of the ever-increasing role of mathematics, particularly linear
algebra, optimization theory, operations research, and other applied
branches in IMRT, we look forward to first-class original research
submissions on all relevant aspects of IMRT, including image-guided
radiation therapy (IGRT) which uses online imaging capabilities to reduce
uncertainties in organ localization and allows response to changes in
treatment geometry over time.

We welcome papers for the special issue within the entire scope of IMRT;
topics of interest include, but are not limited to:

Algorithm engineering
Aperture weight optimization
Automated structure delineation
Column-generation methods for large problem formulations
Dose-volume constraints handling
Gantry angle optimization
Image-guided radiation therapy (IGRT)
Large-scale matrix reduction and sparsing techniques
Mathematical programming and operations research methods in IMRT
Optimization of the segmentation process
Rigid and deformable registration
Sensitivity analysis for revised constraints or changed geometry
Sampling techniques over constrained volumes
Variance at risk methods for dose-volume modeling

The deadline for submission of papers is November 30, 2006. Papers should be
sent to any one of the four special editors, listed below, preferably PDF
files as attachments to e-mail, and will be subject to normal refereeing
procedures according to LAA standards. Go to:
and click on: "Guide for Authors" (but do not use the online submission
for this special issue).

Yair Censor, D.Sc.
Department of Mathematics, University of Haifa, Mt. Carmel, Haifa 31905, Israel.

James M. Galvin, D.Sc.
Department of Radiation Oncology, Thomas Jefferson University
111 South 11th Street, Philadelphia, PA. 19107, USA.

Mark Langer, MD
Department of Radiation Oncology, Indiana University School of Medicine
535 Barnhill Dr., RT-041, Indianapolis, IN. 46202, USA.

Ying Xiao, Ph.D.
Department of Radiation Oncology, Thomas Jefferson University
111 South 11th Street, Philadelphia, PA. 19107, USA.

The editor-in-chief responsible for this special issue is Hans Schneider.


From: Guowei Wei <>
Date: Wed, 9 Aug 2006 11:28:56 -0400 (EDT)
Subject: Call for participants, Midwest Quantitative Biology Conference, Sep 2006

The Midwest Quantitative Biology Conference will be held from
Sept. 29 to Oct. 1, 2006, at the Mission Point Resort, Mackinac
Island, Michigan. The objective is to bring together researchers
from mathematics and biological sciences to exchange ideas and
to foster collaborations.

The conference is organized and sponsored by the Department of
Mathematics, and by the Quantitative Biology & Modeling Initiative
(QBMI) at Michigan State University (MSU). It is also sponsored
by the National Science Foundation (NSF), The Institute for
Mathematics and its Application (IMA), and The Mathematical
Biosciences Institute (MBI).

Partial financial support is available for some participants.
We particularly welcome junior faculty members, postdoctoral
fellows, and graduate students. Women and under-represented
minorities are encouraged to participate and apply for support.

Please refer to our web site,, for
detailed information.


From: "Paulo F. A. Mancera" <>
Date: Thu, 10 Aug 2006 10:48:58 -0300
Subject: CFP, Comp. & Math. Population Dynamics CMPD2, Jul 2007

Dear Colleague,

On behalf of the Organizing Committee of the II Conference on
Computational and Mathematical Population Dynamics (CMPD2), I invite you
to attend at the Conference. The Conference will be held at University
of Campinas, Campinas, Brazil, July 16-20, 2007. More information about
the Conference is available in the conference website: , or, please, do not hesitate to contact the
Conference Secretariat at

The Organizing Committee is waiting for your contribution. We are also
expecting your collaboration do spread the word about our conference
among your partners/scientific societies.

The Organizing Committee is looking forward to see you at Campinas.

Sincerely yours,
*H. M. Yang
*Conference Chair


From: Wolf-Juergen Beyn <>
Date: Tue, 8 Aug 2006 23:53:29 +0200 (CEST)
Subject: Workshop on Stochastic Evolution Eqns, Nov 2006

Numerics and Theory for Stochastic Evolution Equations
November 22 - November 24, 2006
Department of Mathematics, Bielefeld University

Stochastic evolution equations are widely used to model systems under the
influence of random processes with applications in population genetics,
turbulence modelling in fluid mechanics, in porous media theory, and in many
other fields. Typically such real-life problems involve strong
nonlinearities. In the last years there have been very promising developments
for SDE's both in analysis and numerics. We mention new existence results for
weak and stong solutions, the Kolmogorov approach, small noise limits and the
theory of large deviations.
In particular, numerical concepts which turned out to be powerful in the
deterministic case have been tranferred to the stochastic world, among these
are higher order methods and adaptive methods based on a-posteriori error
estimation, stochastic Galerkin as well as multiscale methods.
The aim of the workshop is to review these recent trends focusing on the
constructive and computational aspects. The invited main speakers are leading
experts in their fields and will present an overview of their recent
research, directed also towards non-specialists and those entering the field.

ORGANIZERS: W.-J Beyn, M. Roeckner (Bielefeld), and Ch. Rohde (Stuttgart)

N. Dirr (MPI Leipzig) W. Grecksch (Halle)
D. Higham (Glasgow) P. Imkeller (HU Berlin)
G. Karniadakis (Providence) J. U. Kim (Blacksburg)
P. Kloeden (Frankfurt) S. Kuksin (Edinburgh)
S. Larsson (Goeteborg) G. Lord (Edinburgh)
S. Maier-Paape (Aachen) S. Malham (Edinburgh)
A. Rascanu (Iasi) K. Ritter (Darmstadt)
B. Schmalfuss (Paderborn) T. Shardlow (Manchester)
W. Stannat (Darmstadt) A. Stuart (Warwick)
T. Zhang (Manchester)

The conference also features a limited number of contributed 20 min-talks.
Title and abstract of a prospective talk should be sent by email to the
organizers ( til Oct. 12.
Notification of Acceptance: until October 26, 2006.

Further detailed information on the conference can be found at

CONTACT ADDRESS: J. Rottmann-Matthes, email:

The workshop is part of the conference programme of the DFG-sponsored CRC 701
"Spectral Structures and Topological Methods in Mathematics" at Bielefeld


From: "Doron Har lev" <>
Date: Fri, 11 Aug 2006 15:12:41 -0400
Subject: Position in Boston Medical Device Startup

Role: Senior Numerical Modeling / Algorithm Developer

Job Description:
RhythmiaMedical is designing an innovative system to treat cardiac
arrhythmia. The system includes state of the art numerical modeling, 3D
imaging and catheter fabrication technologies.

The Senior Numerical Modeling / Algorithm Developer is a high impact
position playing a key role in the design and development of the company's
core algorithms. We are looking for an exceptionally bright individual with
demonstrated outstanding performance in previous organizations.

The ideal candidates will posses the following:
. Experience in numerical methods such as FEM/BEM/FV
. Experience in physical modeling
. Experience in signal/image processing
. Experience in developing algorithms from concept phase to commercial
. Expert in C++/Matlab/Fortran programming
. Graduate degree from a leading institution in Applied Math/Physics,
EE/CS or related analytical fields.

Seniority of position will depend on experience.

Company Description:
RhythmiaMedical is a Boston based start-up developing an innovative medical
device for the treatment of cardiac arrhythmia. The market for the
treatment of arrhythmia is one of the fastest growing and most attractive
opportunities in medical devices. We are looking for bright individuals who
are interested in making a high impact in a dynamic and exciting
entrepreneurial environment.

Rhythmia is offering a competitive salary and benefits package as well as a
highly attractive stock option plan.

Contact: Doron Har lev,, 617 5919191,


From: Claude Brezinski <>
Date: Mon, 07 Aug 2006 12:14:28 +0200
Subject: Contents, Numerical Algorithms, vol. 42, no. 1

Volume 42 Number 1 of Numerical Algorithms is now available.

The following URL will take you directly to the issue:

This issue contains:

A primal-dual interior-point algorithm for quadratic programming
Juan Dominguez, Maria D. Gonzalez-Lima

Using cross-product matrices to compute the SVD
Zhongxiao Jia

An acceleration of gradient descent algorithm with backtracking for
unconstrained optimization
Neculai Andrei

Interpolation with circular basis functions
Simon Hubbert, Stefan Mueller

End of NA Digest