NA Digest Tuesday, May 28, 1996 Volume 96 : Issue 21

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: Cleve Moler <>
Date: Tue May 28 09:09:01 EDT 1996
Subject: NA Digest Publication Schedule

The snow has finally melted in New England, so we don't have to spend
our Sunday mornings on the computer. And I have several trips to make
over the summer. So, starting with today's issue, the publication
dates for the NA Digest during the next couple of months will be a
little erratic.

-- Cleve


From: Karsten Decker <>
Date: Fri, 24 May 1996 17:31:13 +0200
Subject: Survey of Problem-Solving Environments

The Swiss Center for Scientific Computing (CSCS/SCSC) is a service
center providing state-of-the art solutions in high-performance
computing and networking to academic institutions and business

To update CSCS/SCSC's knowledge about Problem-Solving Environments
(PSEs), CSCS/SCSC's Software Technology Group is conducting a survey of
recent activities in this field.

PSEs of interest to us include application domain-specific PSEs for
fields such as computational fluid dynamics and molecular modeling, and
cross-disciplinary or core-problem PSEs supporting, for instance,
symbolic computing, programming and usage of high-performance computer
systems, and visualization.

To obtain an overview which is as complete as possible, I would like to
invite all those of you who are working in the field of PSEs to E-MAIL
(pointers to) all information about your activities (which appears
appropriate to you) to the e-mail address given below.

After completion of the survey, I shall make available the compiled
information to the scientific community.

PD Dr. Karsten M. Decker phone: +41 (91) 610 8357
Head of Software Technology secretary: +41 (91) 610 8356
Swiss Center for Scientific Computing fax: +41 (91) 610 8383
Via Cantonale CH-6928 Manno SWITZERLAND e-mail:


From: Carlos A. de Moura <>
Date: Mon, 20 May 96 08:54:24 EST
Subject: Change of Address for Carlos A. de Moura


Since May 1st I have joined IPRJ,the Polytechnic Institute of
Rio de Janeiro State University, in Nova Friburgo, as a Visiting Professor.

My postal and email addresses, phone and fax numbers have changed to:

CPostal 97282
28601-970 NFriburgo RJ

Tel 55 245 229052
Fax 233779/233695

All the best,



From: Jeanne C. Butler <>
Date: Mon, 20 May 1996 15:26:28 -0400
Subject: Workshop on Advanced Topics in High Performance Computing

Workshop on Advanced Topics in High Performance Computing

Cornell Theory Center
Cornell University, Ithaca, NY
Monday, August 19 - Wednesday, August 21, 1996
Registration deadline: July 15, 1996

The Cornell Theory Center (CTC), a nationally funded high
performance computing and communications center, is offering three
days of lecture and discussion that take an in-depth look at
specific topics in high performance computing. This workshop is
intended for intermediate and expert parallel programmers who are
actively involved in research that will benefit from the topics
presented. The planned session titles are:

- Multigrid Methods
- Object-Oriented Methods for the Solution of Partial Differential
- A Parallel Partial Differential Equation Solver for Fluid
Dynamics Computations
- Special Topics in HPF Programming
- Domain Decomposition and Parallel Code Optimization
- Quantum Monte Carlo Methods for Continuum Systems
- Data Explorer for Scientific Visualization
- Iterative Methods

For more information on this workshop and access to the
registration form, please see


From: Marianela Lentini <>
Date: Thu, 23 May 96 10:04:38-040
Subject: Approximation and Optimization in the Caribbean

First announcement
Call for papers



Universidad Simon Bolivar
Caracas, Venezuela
16-21 March 97

Organized jointly by: Universidad Simon Bolivar, Venezuela
Humboldt University, Germany
RWTH, Germany
Universidad de La Habana, Cuba

In cooperation with: Universidad Central de Venezuela
INTEVEP, Venezuela

The main interest is to gather researchers and practitioners
from all over the world and encourage them to participate in
the solution of real problems. We invite you to promote and
encourage he interest in approximation and optimization in
the Caribbean


Approximation: Wavelets, polynomial and rational approximation,
splines, orthogonal polynomials, interpolation,
asymptotic analysis

Optimization: Nonlinear Equations and Inequalities, continuous
and discrete optimization, nonsmooth, parametric
and stochastic optimization, control theory,
global optimization, multiobjective

Applications: Economic, engineering and energy models, robotics,
pattern recognition, image restoration, biomedical
applications, neural nets


Local International

Coordinators: Ubaldo Garcia Palomares Jurgen Guddat
Dpto. Procesos y Sistemas Institute fur Mathematik
Universidad Simon Bolivar Humboldt Universitat
Apartado 89000 D- 10099
Caracas, 1081-A Berlin
Venezuela Germany
FAX: +58 2 9063303 +49 30 2834463

Saul Buitriago, S Allende, B Bank, J Barcelo
Debora Cores, P Boggs, J Borwein, M Bosch
Bernardo Feijoo, B Brosowski, C Carneiro, S Flam
Marianela Lentini, J Heintz, R Hirabayashi,
Enzo Pittari,
Marcos Raydan,
Claudia Vega,


Tutorials on Optimization (Clovis Gonzaga)
and Approximation (Guillermo Lopez Lagomasino)

Plenary sessions: W Cheney, D Goldfarb, G Golub, P Kall,
M J D Powell, E Sachs, J Stoer, J Zowe

Lectures on latest research and minisimposia on applications
Abstracts should be received by 30 Oct 96
Minisimposia proposal by 15 Oct 96


USD$ 100: Any tutorial USD$250: Lectures and minisymposia
USD$ 300: Tutorial, lectures and minisymposia
STUDENTS: 50% DISCOUNT (No early registration)


Through the organizers
By e-mail:
By ftp:


From: Jens Burmeister <>
Date: Fri, 24 May 1996 12:53:36 +0200 (MET DST)
Subject: Numerical Treatment of Multi-Scale Problems

First Announcement

13th GAMM-Seminar Kiel on
Numerical Treatment of Multi-Scale Problems
January 24th to 26th, 1997.

Chairmanship: W. Hackbusch (Kiel), G. Wittum (Stuttgart)


Numerical Treatment and Implementation Aspects of
- problems
- defined on complicated geometries,
- with highly varying coefficients,
- coarsening strategies for
- multi-level methods,
- finite element spaces,
- (discrete) homogenisation techniques,
- multi-scale discretisations.

See for more information:



From: Paul Nevai <>
Date: Mon, 20 May 1996 10:36:09 -0400 (EDT)
Subject: Contents, J. Approximation Theory

Table of Contents: J. Approx. Theory, Volume 85, Number 2, May 1996

Fang Gensun
Whittaker--Kotelnikov--Shannon sampling theorem and aliasing error

Peter Borwein and Tam\'as Erd\'elyi
Newman's inequality for M\"untz polynomials on positive intervals

Franz Peherstorfer and Robert Steinbauer
Orthogonal polynomials on arcs of the unit circle, I

Keiji Izuchi, Hiroyuki Tagaki, and Seiji Watanabe
Sequential BKW--operators and function algebras

Kang Zhao
Simultaneous approximation and quasi-interpolants

George C. Kyriazis
Approximation orders of principal shift-invariant spaces generated by
box splines


Vladimir Operstein
Full M\"untz theorem in $L_p[0,1]$


From: Jan van Schuppen <>
Date: Mon, 20 May 1996 20:10:02 +0200
Subject: Contents, Math. of Control, Signals, and System

TABLE OF CONTENTS, Math of Control, Signals, and Systems
Volume 8, Number 3

W.H. Fleming and M.R. James,
The risk-sensitive index and the $H_2$ and $H_{\infty}$
norms for nonlinear systems,
MCSS 8 (1995), 199-221.

J. Leventides and N. Karcanias,
Sufficient conditions for arbitrary pole assignment by constant
decentralized output feedback,
MCSS 8 (1995), 222-240.

S.K. Biswas and N.U. Ahmed,
Disturbance rejecting optimal regulation of hyperbolic systems,
MCSS 8 (1995), 241-256.

N.F. Dudley Ward and J.R. Partington,
Rational wavelet decompositions of transfer functions in
Hardy-Sobolev classes,
MCSS 8 (1995), 257-278.

L.A.B. San Martin,
On global controllability of discrete-time control systems,
MCSS 8 (1995), 279-297.

Information on MCSS including tables of contents is
available at its home pages:

Papers must be submitted to:
J.H. van Schuppen (Co-Editor MCSS)
P.O. Box 94079
1090 GB Amsterdam
The Netherlands

Bradley Dickinson, Eduardo Sontag, Jan van Schuppen (Editors)


End of NA Digest