- Today's Editor:
- Cleve Moler
- The MathWorks, Inc.
- moler@mathworks.com

- Seeking Course Info on Image Enhancement
- Looking for a Global Minimization Code
- Error Estimates for Elliptic PDEs
- Change of Address for Xiao Feng
- Weekley Seminar in Paris
- New Book, Fast Reliable Algorithms for Matrices with Structure
- Conference Proceedings, HERCMA '98
- Workshop on Linear Algebra with Recursive Algorithms
- Workshop on Computational Methods for Multidimensional Reactive Flows
- International Symposium on Symbolic and Algebraic Computation
- Faculty Position at Ecole Polytechnique, Paris
- Faculty Position at University of Wisconsin-Milwaukee
- Faculty Position at University of Haifa, Israel
- Faculty Positions at Illinois Institute of Technology
- Postdoctoral Position at Montana State University
- Postdoctoral Position at Korea Advanced Institute of Sci and Tech
- Computational Science Positions at ERDC MSRC

**URL for the World Wide Web:**
http://www.netlib.org/na-net/na_home.html

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

From: Mohsen Maesumi <maesumi@math.lamar.edu>

Date: Tue, 9 Nov 1999 15:28:41 -0600 (CST)

**Subject: Seeking Course Info on Image Enhancement**

I am looking for suggestions on text/software for a course on

image enhancement to be offered to advanced seniors and graduate students

of engineering, math and computer science.

A general introductory text with MATLAB programs is preferred but pointers

to other combinations of expository papers and publicly available (or

modestly priced commercial) software is also of interest.

If you know of a good example to show the ill-posedness of the image

enhancement problem (to the point that it would constitute an optical

illusion for computer vision) please let me know.

Also if you know of papers on image enhancement where a priori partial

information about the exact image is used in the enhancement process (e.g.

for calibration etc) please let me know.

Thanks

Mohsen Maesumi

maesumi@math.lamar.edu

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

From: Mark Friedman <friedman@ultra.math.uah.edu>

Date: Tue, 09 Nov 1999 20:51:43 -0600

**Subject: Looking for a Global Minimization Code**

Dear Colleagues,

I am looking for codes (in fortran or C) for global minimization of a

function of n (n>=2) variables, where the evaluation of the function is

relatively expensive:

a) unconstrained minimization,

b) minimization with nonlinear constraints,

c) nonlinear least squares.

Thanks in advance for any references.

Mark Friedman

Mathematical Sciences Department

University of Alabama in Huntsville

204 MDH, 301 Sparkman Dr. NW

Huntsville, AL 35899

E-Mail: friedman@math.uah.edu

http://www.math.uah.edu/friedman/

Tel: (256) 890-6470, -6879

FAX: (256) 890-6173

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

From: Joe Mantle <joe@ajphp1.me.uiuc.edu>

Date: Fri, 12 Nov 1999 10:49:52 -0600 (CST)

**Subject: Error Estimates for Elliptic PDEs**

NA experts:

I am searching for a reference which provides maximum global

error estimates for the solution to central finite difference

approximation to any elliptic second-order PDE which is subject

to boundary conditions other than Dirichlet. Ideally, I would

like to see error estimates for problems with mixed

Robin-Nuemann-Periodic boundary conditions. By the way, I'm

an engineer (so I 'm looking for references that are easy to

understand rather than those with mathematical rigor :-).

Thank you.

Joe Mantle

PhD candidate

Mechanical Engineering

University of Illinois

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

From: Feng Xiao <xiao@es.titech.ac.jp>

Date: Wed, 10 Nov 1999 18:40:43 +0900

**Subject: Change of Address for Xiao Feng**

Hi, dear colleagues,

I have taken a faculty position in Tokyo Institute of Technology and

moved out from RIKEN on Nov. 1.

Please contact me using the following new coordinate:

Dr. Feng Xiao

Associate Professor

Department of Energy Sciences

Tokyo Institute of Technology

4259 Nagatsuta, Midori-ku, Yokohama

226-8502, Japan

Tel(Fax): +81-45-924-5538

Email: xiao@es.titech.ac.jp

Sincerely,

Xiao Feng

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

From: Beauzamy <Beauzamy@aol.com>

Date: Sun, 7 Nov 1999 02:54:50 EST

**Subject: Weekley Seminar in Paris**

The "Societe de Calcul Mathematique, SA" announces a new seminar:

'Real Life Mathematics".

This seminar will be devoted to the mathematical modelling of problems coming

from industry and defense, with emphasis upon simulation and optimization.

It meets every thursday at 4pm in our offices, 111 Faubourg Saint Honore,

75008 Paris. There is no admission fee, but registration is required.

For the precise program of each session (title and summary), please consult

our web site: http://members.aol.com/scmsa/accueil.htm

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

From: Ali Sayed <sayed@icsl.ucla.edu>

Date: Fri, 12 Nov 1999 12:26:21 -0800

**Subject: New Book, Fast Reliable Algorithms for Matrices with Structure**

New Book

Fast Reliable Algorithms for Matrices with Structure.

Edited by T. Kailath and A. H. Sayed.

SIAM, PA, 1999. ISBN 0-89871-431-1. xvi+342 pages.

Brief Description

This book is the first to pay special attention to

the combined issues of speed and numerical reliability

in algorithm development. These two requirements have

often been regarded as competitive, so much so that

the design of fast and numerically reliable algorithms

for large-scale structured systems of linear equations,

in many cases, remains a significant open issue. This

book helps bridge this gap by providing the reader

with recent contributions written by leading experts

in the field.

The authors deal with both the theory and the practice

of fast numerical algorithms for large-scale structured

linear systems. Each chapter covers in detail different

aspects of the most recent trends in the theory of fast

algorithms, with emphasis on implementation and

application issues. Both direct and iterative methods are

covered.

This book is not merely a collection of articles. The

editors have gone to considerable lengths to blend the

individual chapters into a consistent presentation. Each

chapter exposes the reader to some of the most recent

research while providing enough background material to

put the work into proper context.

Table of Contents:

1. Displacement Structure and Array Algorithms

(T. Kailath)

2. Stabilized Schur Algorithms

(S. Chandrasekaran and A. H. Sayed)

3. Fast Stable Solvers for Structured Linear Systems

(A. H. Sayed and S. Chandrasekaran)

4. Stability of Fast Algorithms for Structured

Linear Systems (R. Brent)

5. Iterative Methods for Linear Systems with

Matrix Structure (R. H. Chan and M. K. Ng)

6. Asymptotic Spectral Distribution of Toeplitz

Related Matrices (P. Tilli)

7. Newton's Iteration for Structured Matrices

(V. Y. Pan et al)

8. Fast Algorithms with Applications to Markov

Chains and Queueing Models (D. A. Bini and B. Meini)

9. Tensor Displacement Structures and Polyspectral

Matching (V. S. Grigorascu and P. A. Regalia)

10. Minimal Complexity Realizations of Structured

Matrices (P. Dewilde)

Appendix A: Useful Matrix Results

Appendix B: Elementary Transformations

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

From: E. A. Lipitakis <eal@aueb.gr>

Date: Thu, 11 Nov 1999 12:59:04 +0200 (EET)

**Subject: Conference Proceedings, HERCMA '98**

HERCMA '98 CONFERENCE PROCEEDINGS

AVAILABLE AT REDUCED RATE

The fourth Hellenic-European Research on Computer Mathematics and its

Applications (HERCMA '98) has been held in Athens, September 24th-26th,

1998. The HERCMA '98 Proceedings have been published in two volumes edited

by Professor Elias A. Lipitakis (Athens). They contain the key-invited

lectures of Professors: C.T.H. Baker (Manchester), J.J. Dongarra

(Tennessee), D.J. Evans (Nottingham), A. Iserles (Cambridge), P. Ligomenides

(Academy of Athens), A.A. Samarskii (Russian Academy of Sciences) et. al.

The Proceedings include also 112 selected articles on the following topics

of HERCMA '98:

Inverse problems: theory and numerical computations

Numerical methods for evolution equations

Numerical modeling of causal equations

Iterative methods for the solution of linear algebraic systems

Parallel numerical linear Algebra

Tools for the study of stability of physical systems on parallel computers

Computational intelligence and parallel processing

Algorithm structured computing nets design techniques & applications

Special topics in financial engineering

Algebraic system solving, optimization and applications

Nonlinear numerical computations of differential equations

ARCH models and time series

Medical and biological modeling and computing

Ongoing research by Statistics Graduate Students

The list price of the Proceedings Books (1110 pages, soft cover) is USD 70,

including postage. The HERCMA '98 Proceedings are now offered at a reduced

rate to graduate students and post docs.

These Proceedings can be ordered (including the full mailing address) at the

reduced rate of USD 40 (including postage), from:

E.A. Lipitakis

Department of Informatics

Athens University of Economics and Business

76 Patision Street

Athens 104 34

Greece

Fax: +(3 01)- 8203 187

E-mail: eal@aueb.gr

An (international) bank check covering the above price has to be enclosed to

the mailed order.

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

From: Jerzy Wasniewski <jerzy@prace.uni-c.dk>

Date: Mon, 8 Nov 1999 16:10:01 +0100 (CET)

**Subject: Workshop on Linear Algebra with Recursive Algorithms**

One day Workshop on Linear Algebra With Recursive Algorithms (LAWRA) at

Lyngby, Denmark is organized, December 3, 1999. The recursive factorization

and solution algorithms of symmetric matrices stored in packed data format

perform from 5 to 7 times better than the traditional packed data format

algorithms. The recursive way of programming algorithms eliminate the use

of BLAS level 2 in the factorization steps. For this and other reasons

recursion usually speeds up the algorithms.

The speakers are Bjarne Stig Andersen, Danish Computing Center (UNI-C);

Jack Dongarra, Univ. of Tennessee and Oak Ridge Nat. Lab.; Fred Gustavson,

IBM T.J. Watson Research Center; Bo Kagstrom, Umea University; Carl Tengwall,

IBM of Sweden; Sivan Toledo, Tel-Aviv University; Jerzy Wasniewski,

Danish Computing Center (UNI-C); Plamen Yalamov, UNI-C and Rousse University;

Zahari Zlatev, National Environmental Research Institute.

Further information from: from Jerzy Wasniewski,

UNI-C, DTU, Bldg. 304, DK-2800 Lyngby, Denmark

tel: (+45) 35 87 89 67, fax: (+45) 35 87 89 90

email: jerzy.wasniewski@uni-c.dk

http://lawra.uni-c.dk/lawra/lworkshop99/

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

From: Malte Braack <malte.braack@iwr.uni-heidelberg.de>

Date: Tue, 09 Nov 1999 17:42:56 +0100

**Subject: Workshop on Computational Methods for Multidimensional Reactive Flows**

Workshop on Computational Methods for Multidimensional Reactive Flows

September 25-27, 2000, Heidelberg University

Aim of the Workshop:

The aim of this workshop is to bring together scientists from several areas

with interest in computational aspects of reactive-flow simulations.

The main focus will be on efficient and reliable numerical methods for

reactive flows in two and three space dimensions. This 3-days workshop

will be of rather informal character providing a platform for discussion

and comparison of algorithms.

Organizers:

J. Warnatz, R. Rannacher, M. Braack, R. Becker

Sponsored by:

SFB 359: Reactive Flow, Diffusion and Transport,

IWR: Interdisciplinary Center of Scientific Computing

Invited presentations:

They following scientists have accepted the invitation to give plenary

presentations:

Alexandre Ern, Cermics, France

L. P. H. de Goey, Einhoven University of Technology,Netherlands

Marc Garbey, Universite Claude Bernard Lyon I, France

Markus Kraft, Dpt. Chem.Eng., University of Cambridge, United Kingdom

WWW Information: http://www.iwr.uni-heidelberg.de/comref2000/

Deadline for sending abstracts for contributed presentations: March 31, 2000

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

From: Paulina Chin <pchin@wlu.ca>

Date: Fri, 12 Nov 1999 15:55:21 -0500 (EST)

**Subject: International Symposium on Symbolic and Algebraic Computation**

UPDATES TO CALL FOR PAPERS

ISSAC 2000

International Symposium on Symbolic and Algebraic Computation

St Andrews University, Scotland, August 6-9, 2000

http://www-gap.dcs.st-and.ac.uk/issac2000

ACM sponsorship pending

CHANGE IN SUBMISSION DEADLINE

The deadline date for submission of papers has been changed from

December 17, 1999 to January 17, 2000.

CHANGE IN SUBMISSION INSTRUCTIONS

The contact e-mail address for submitting papers has changed. Please

refer to the ISSAC 2000 Web site

http://www-gap.dcs.st-and.ac.uk/issac2000

for complete instructions.

FOR FURTHER INFORMATION

Please refer to the ISSAC 2000 Web site or send e-mail to

issac2000@dcs.st-and.ac.uk

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

From: Jacques Guignot <guignot@cmapx.polytechnique.fr>

Date: Mon, 8 Nov 1999 21:31:19 +0100 (CET)

**Subject: Faculty Position at Ecole Polytechnique, Paris**

Professor of Numerical Analysis/Scientific Computing

at Ecole Polytechnique, Paris

The Ecole Polytechnique in Paris (France), is likely to hire, starting

September 1st. 2000, a full Professor in Applied Mathematics, with tenure,

specialized in the fields of numerical analysis, scientific computing and

modelization. The candidate should be a mathematician with an

international reputation, proven by published work at the forefront of his

field. There is no restriction on the age or nationality of the candidate.

The position demands a strong interest in teaching, most of it in French,

and the ability to direct Ph.D/advanced research in applied mathematics.

The Ecole Polytechnique is an internationally-oriented scientific

undergraduate and graduate school, which offers start-up packages,

chair support and excellent research and teaching facilities.

The deadline for registration is February 15h 2000.

Please ask for the application form by writing or faxing to

Ecole Polytechnique, Bureau de gestion des enseignants, 91128 Palaiseau

Cedex, France, fax +33 1 69 33 30 25.

Complementary information may be obtained from Stephane Mallat

Chair of the Applied Mathematics Department

(Stephane.Mallat@polytechnique.fr).

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

From: Bruce A Wade <wade@csd.uwm.edu>

Date: Tue, 9 Nov 1999 10:02:45 -0600 (CST)

**Subject: Faculty Position at University of Wisconsin-Milwaukee**

The University of Wisconsin-Milwaukee

Department of Mathematical Sciences

David H. Schultz, Chair

PO Box 413

Milwaukee, WI 53201

http://www.uwm.edu/Dept/Math

Deadline: January 21, 2000

Applications are invited for a tenure-track assistant

professor position in industrial mathematics, specializing

in operations research, applied analysis, or statistics.

Preference will be given to candidates having experience

with industrial problems and extramural support.

Responsibilities include developing industrial mathematics

curricula, advising of M.S. and Ph.D. students, and

developing internships. Candidates should submit a c.v.,

teaching philosophy and research plan, and arrange for at

least three letters of recommendation. An equal opportunity

affirmative action employer, the University of

Wisconsin-Milwaukee strongly encourages applications from

minority and women candidates.

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

From: Yair Censor <yair@mathcs2.haifa.ac.il>

Date: Thu, 11 Nov 1999 12:05:24 +0200 (IST)

**Subject: Faculty Position at University of Haifa, Israel**

The Department of Mathematics of the University of Haifa, Israel,

expects to have an opening for a tenure-track position

beginning in October 2000. The position will be for an applied

mathematician. Fields connected with high-tech industries are

preferred. Candidates must hold a Ph.D. in mathematics or computer

science, and have an excellent record in research and teaching.

The position will require teaching of computer science courses in a

BA program of "Mathematics with Computer Science"; thus, the

candidates must have a proven record of teaching such courses,

and must have a reasonable command of the Hebrew language.

Remark: the University of Haifa has an independent Department of

Computer Science which is not part of the above mentioned

program and of this announcement.

Please send a letter of application, which addresses your

suitability for the position described above, a complete CV

and list of publications. In addition, please have three

letters of recommendation sent directly to us. The whole material

should be addressed to

Professor Izu Vaisman, Chairman

Department of Mathematics

University of Haifa

Mt. Carmel, Haifa 31905, ISRAEL.

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

From: Greg Fasshauer <fass@amadeus.math.iit.edu>

Date: Thu, 11 Nov 1999 15:55:48 -0600 (EST)

**Subject: Faculty Positions at Illinois Institute of Technology**

The Department of Applied Mathematics at IIT seeks applicants for one or

more tenure-track assistant professor positions to begin in August of

2000. The successful candidate will have already demonstrated excellent

teaching skills and the capability of establishing a fundable research

program in applied mathematics. The general area of interest is in modern

applied mathematics, including discrete applied mathematics. Special

consideration will be given to applicants with experience in computational

methods. Interdisciplinary research is strongly encouraged. Applications

should include a vita, description of research and future plans,

documentation as to how the candidate would be able to interact with a

specific field within science or engineering, statement of teaching

experience, and 4 letters of reference (one addressing teaching

effectiveness). Review of applications will begin on January 15, 2000 and

continue until the position(s) is filled. Information about IIT and the

Department of Applied Mathematics can be found at www.iit.edu/~am/ .

Send material to:

F.R. McMorris, Chair

Department of Applied Mathematics

Illinois Institute of Technology

10 West 32nd Street, Room 208, E1

Chicago, IL 60616-3793

IIT is an AA/EO Employer

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

From: Curt Vogel <vogel@gauss.math.montana.edu>

Date: Mon, 8 Nov 1999 09:56:51 -0700 (MST)

**Subject: Postdoctoral Position at Montana State University**

Montana State University

Postdoctoral Research Position in Computational Inverse Problems

The Department of Mathematical Sciences at Montana State University

invites applications for a 2-year postdoctoral research position

dedicated to Computational Methods in Atmospheric Optics, to begin

Aug. 20, 2000. Funding has been awarded to the University and is being

administered through the US Air Force Office of Scientific Research.

Collaborative work will be carried out with the USAF Starfire Optical

Range in New Mexico and the Maui High Performance Computing Center in

Hawaii.

A PhD in Computational or Applied Mathematics, Optical Sciences,

or related field is required by start date. Experience programming in

MATLAB or C++ is essential. Applicants should have expertise in one of

the following three areas, as well as some familiarity with the other

two: 1) Computational methods for Inverse Problems; 2) Mathematical

models for the propagation of light through the atmosphere; and 3) High

performance computing. More information is available on the web at

http://www.math.montana.edu/~vogel/Postdoc.

Send letter of interest, curriculum vita, and three letters of

recommendation to: Curtis R. Vogel, Dept. of Mathematical

Sciences, Montana State University, Bozeman, MT 59717-2400.

ADA/AA/EO/Vet. Pref.

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

From: Do Y. Kwak <dykwak@math.kaist.ac.kr>

Date: Thu, 11 Nov 1999 11:21:22 +0000

**Subject: Postdoctoral Position at Korea Advanced Institute of Sci and Tech**

We are looking for a Post-Doc. or visiting assistant professor in

numerical analysis. for a period of 2000 Jan - 2000 Dec. (flexible)

Emphasis will be given on the following topics.

(1) finite element methods

(2) Domain Decomposition Method, Multigrid Methods

(3) Numeical solution of P.D.E, etc

Language skill: Should be able to teach in English (Korean preferable,

but not necessary)

Duty: Lead and participate in seminars. Possibly to teach one course.

The salary will be between 18,000,000 Won - 20,000,000 Won(approximately

15,000 - 17,000 US$)

Correspondence should be sent to

Dr. Do Young Kwak

Department of Mathematics,

KAIST, (Korea Advanced Institute of Sci and Tech)

Yousong, kusongdong 373-1

Taejon, Korea 305-701

dykwak@math.kaist.ac.kr

phone 82-42-869-2720

fax 82-42-869-2710

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

From: Henry Gabb <gabb@wes.hpc.mil>

Date: Thu, 11 Nov 1999 15:18:46 -0600

**Subject: Computational Science Positions at ERDC MSRC**

Computational science positions at ERDC MSRC

Computer Sciences Corporation has positions in the area of high performance

computing within the Computational Migration Group (CMG). Members of the

CMG collaborate with U.S. Department of Defense researchers to enhance the

computational science of their applications, specifically for modern

scalable, parallel systems.

This work will be conducted at the U.S. Army Engineer Research and

Development Center Major Shared Resource Center (www.wes.hpc.mil) in

Vicksburg, Mississippi. This site is managed by Computer Sciences

Corporation for the U.S. Department of Defense. The ERDC MSRC ranks

among the top ten most powerful high performance computing centers in the

world. We currently operate a Cray T3E (512 CPUs), a SGI Origin2000 (128 CPUs),

and two IBM SP's (256 and 126 CPUs). An IBM Power3 SMP (512 processors) is

scheduled for delivery in the coming months.

Minimum requirements:

Fortran programming experience in a UNIX environment

B.S. in physical science, mathematics, or engineering

Exposure to parallel computing

U.S. citizenship

Desired experience:

C, C++, Java programming

Parallel programming (i.e., MPI, OpenMP, PVM, HPF, Pthreads)

Scientific visualization

Interested parties may contact:

Henry A. Gabb

Director of Scientific Computing

ERDC MSRC

1165 Porters Chapel Road

Vicksburg, MS 39180

gabb@wes.hpc.mil

601-634-2507 tel

601-634-3808 fax

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

End of NA Digest

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