**Today's Topics:**

- Argonne Parallel Programming Class
- Two Computer Algebra Workshops
- Manuscript on Fundamentals of Matrix Computations
- E-mail Group for Graduate Officers
- Simplex Method for Non-linear Optimization
- Examples of Applications of Elementary Mathematics
- Positions at University of Iowa
- NAG Response About Apollo Implementation

From: David Levine <levine@antares.mcs.anl.gov>

Date: Mon, 11 Sep 89 12:33:32 CDT

The Advanced Computing Research Facility (ACRF) at Argonne National Laboratory

is offering an introductory course on parallel computing December 6-8, 1989.

The date of the course is intended to make it convenient for those attending

the SIAM Conference on Parallel Programming being held the following week in

Chicago (the course is NOT associated with the conference). The course is

limited to 24 people on a first come first serve basis.

Topics to be covered include:

1) Parallelizing compilers.

2) The Monitor and Schedule packages for portable parallel programming.

3) Programming the Butterfly 2.

4) Programming the AMT DAP.

5) Programming the Connection Machine-2.

6) Introduction to the LAPACK project.

A portion of the third day will be devoted to each attendee's particular

project. The format of the course is alternating lectures and hands-on

work with the parallel computers in the ACRF. Fortran will be emphasized

as the primary programming language. Knowledge of Fortran and Unix will

be assumed.

Parallel computers currently in the ACRF are:

4-processor Ardent Titan

8-processor Alliant FX/8

16-processor Intel iPSC-VX hypercube

20-processor Encore Multimax

24-processor Sequent Balance 21000

32-processor Intel iPSC-1 hypercube

32-processor Butterfly TC2000

1024-processor Active Memory Technology DAP

16384-processor Thinking Machines CM-2

Those interested in the class should contact:

Teri Huml

Mathematics and Computer Science Division

Argonne National Laboratory

Argonne, IL 60439-4844

(312) 972-7163

huml@mcs.anl.gov

There will be a $25.00 registration fee per person for universities,

federal laboratories and government organizations and $100.00 for

commercial organizations.

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

From: Michael Singer <singer@matagh.ncsu.edu>

Date: Mon, 11 Sep 89 12:17:45 EDT

CADE 90 CAP 90

Preliminary announcement

During the week Sunday, May 6, to Saturday, May 12, 1990, a

group of persons with a common interest are organizing two

contiguous workshops entitled:

``Computer Algebra and Differential Equations (CADE-90)''

(Sunday morning --- Wednesday noon) and

``Computer Algebra and Parallelism (CAP-90)''

(Wednesday afternoon --- Saturday afternoon)

at the Mathematical Sciences Institute (MSI) at Cornell University.

The CADE-90 organizers are Evelyne Tournier at IMAG in Grenoble and

Michael Singer at N.C. State University. The CAP-90 organizers are

Jean Della Dora at IMAG in Grenoble, John Fitch at the University of

Bath, and Erich Kaltofen at Rensselaer Polytechnic Institute.

Both committees include Richard Zippel at Cornell University.

We are combining efforts so that persons with overlapping interests

can stay the entire week.

The aim of CADE-90 is to allow workers in computer algebra to learn

of recent theoretical developments concerning differential equations

as well as make the researchers in theoretical areas aware of

questions arising in the design of computer algebra systems.

Peter Olver (University of Minnesota) will give four introductory

lectures on ``Lie Group Methods in Differential Equations". In

addition there will be a few invited one-hour lectures on topics such

as perturbation theory, summation and integration in finite terms,

effective methods in the theory of D-modules, differential galois

theory, and resummation techniques. In addition there will be one or

two presentations of software projects that integrate computer

algebra and differential equations (such as DESIRE). We plan to have

at most two lectures each morning and each afternoon, so that there

will be plenty of time for informal interaction.

The aim of CAP-90 is to allow workers in computer algebra to learn

the recent theoretical developments concerning the design of parallel

algebraic algorithms as well as make researchers working on

theoretical issues in parallel algebraic computation aware of

problems that arise when mapping these algorithms onto existing

parallel computers. The topics include vectorized long integer

arithmetic, parallel expression evaluation, parallel linear and

non-linear system solving, parallel sparse interpolation, parallel

polynomial root finding, and others. Furthermore, experience with

implementing parallel algebraic algorithms on parallel computers will

be discussed. The workshop will consist of several lectures by the

keynote speaker (unconfirmed) and by one hour lectures of several

invited researchers. The format of the workshop is such that

ample time for discussion sessions and impromptu presentations of

ongoing research is reserved. It is also anticipated that access to

the local Cornell supercomputers will be provided.

Funds are available for partial support of young predoctoral and

postdoctoral visitors. Anyone wishing to attend either workshop or

to obtain general information is encouraged to contact MSI through:

Valery Styles, Mathematical Sciences Institute, Cornell University,

201 Caldwell Hall, Ithaca, N.Y. 14853-2602. For more information

about the scientific content of CADE-90 contact Michael F. Singer,

Department of Mathematics, Box 8205, N.C. State University, Raleigh,

N.C. 27695-8205 USA (e-mail: SINGER@NCSUMATH.BITNET or

singer%matagh@ncsuvx.ncsu.edu), or Evelyne Tournier, TIM3-IMAG,

BP 68, 38402 St. Martin d'Heres cedex, FRANCE

(e-mail: TOURNIER@FRGREN81.BITNET). For more information about the

scientific content of CAP-90 contact Jean Della Dora, TIM3-IMAG, BP 68,

38402 St. Martin d'Heres cedex, FRANCE (e-mail: DELLADO@FRCICG71.BITNET),

John P. Fitch, School of Mathematical Sciences, University of Bath,

Bath BA2 7AY, ENGLAND (e-mail: jpff@maths.bath.ac.uk), or

Erich Kaltofen, Department of Computer Science, Rensselaer Polytechnic

Institute, Troy, New York 12180-3590 (e-mail: kaltofen@cs.rpi.edu).

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

From: David Watkins <watkins@wsumath.bitnet>

Date: Tue, 12 Sep 89 10:54 PDT

For some time I have been working on a manuscript entitled FUNDAMENTALS

OF MATRIX COMPUTATIONS that is intended to be used as an undergraduate

text or as a relatively easy graduate text. The book has been through

class testing at several institutions and is nearly in its final form.

One more round of reviews is planned. If you have taught matrix

computations and are interested in reviewing this book, please contact

my editor:

Valerie Hunter

Mathematics Editor

John Wiley and Sons

605 Third Avenue

New York, NY 10158

phone 212-850-6244

David Watkins, Washington State University (watkins@wsumath.bitnet)

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

From: Henry Wolkowicz <hwolkowicz@poppy.waterloo.edu>

Date: Tue, 12 Sep 89 15:29:18 EDT

I am trying to start an E-mail group for graduate officers

(chairman of graduate committees) at various institutions. I have tried

to collect several E-mail addresses and will continue collecting more.

I will try and be concise and short in all messages so as not to

increase (too much) the amount of junk E-mail we all get already.

I hope that this service will be useful to all. Please send

any items to me. I will collect and edit them and send them out in

a group.

I think that it would be helpful to pass information among the

different institutions with graduate programs. For example,

announcements of dissertation awards and deadline dates could be

passed and then posted. Any new information about Chinese students

coming or not coming would be helpful. Questions about details

of courses at different institutions could be passed.

Please send me the E-mail address of the graduate officers

at your institution and I will try and contact them.

Henry Wolkowicz; Department of Combinatorics and Optimization;

Faculty of Mathematics; University of Waterloo;

Waterloo, Ontario, Canada N2L 3G1 (519-888-4597 office; 746-6592 FAX)

{hwolkowicz@water.bitnet; na.wolkowicz@na-net.stanford.edu }

{hwolkowicz@water.uwaterloo.ca; usersunn@ualtamts.bitnet }

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

From: Ashwin A Desai <m2c!wpi!ashwin@husc6.harvard.edu>

Date: 12 Sep 89 19:23:28 GMT

I need any information I can get about the Nelder-Mead

procedure (a simplex method for minimization). I would

like to know if there are any books which explain

this method in some detail and also any details about

a software package for this method(if available).

Thanks in advance,

Ashwin

Worcester Polytechnic Institute

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

From: Jerry Johnson <JOHNSON%nemo.math.okstate.edu>

Date: Tue, 12 Sep 89 12:36 CDT

D G Wilson <wilson@MSR.EPM.ORNL.GOV> asked in last week's newsletter

for "real live examples of the use of relatively elementary mathematics

(calculus, ordinary differential equations, vectors, elementary linear

algebra, etc.) in science and engineering. They want to use these

examples in the classroom to motivate concepts being taught. They

would appreciate hearing about any examples that you would be willing

to share."

A great idea ... and we would also appreciate receiving the same.

Please send contributions to:

JOHNSON%nemo.math.okstate.edu@relay.cs.NET

or

Prof. Jerry Johnson, Mathematics Department,

Okla. State University, Stillwater, OK 74078.

Having asked, I will now give.

A spherical mine filled with an explosive of some given specific gravity

and encased in a one inch thick iron shell should float just submerged under

the ocean surface. What diameter should it have? This requires the solution

of a cubic equation. It can be used in calculus as a vehicle for applying

Newton's method, or in precalculus as motivation for looking at cubic

equations in the first place.

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

From: Ken Atkinson <BLAKEAPD%UIAMVS.BITNET@CUNYVM.CUNY.EDU>

Date: Wed, 13 Sep 89 19:19 CDT

Positions Available

The University of Iowa

The Mathematics Department of the University of Iowa invites appli-

cations for the following positions.:

1. Three tenure-track appointments at the Assistant or beginning

Associate Professor level beginning in the 1990-91 academic year.

One of these is to be in numerical analysis and two are to be

filled by specialists in harmonic analysis, probability theory, or

topology of manifolds. Selection will be based on evidence of out-

standing research accomplishments or potential, and teaching abil-

ity. A Ph.D. or equivalent training is required.

2. One senior faculty position beginning in 1990-91 academic year

or later. Only applicants of extraordinary stature will be consid-

ered. A strong record of leadership in teaching and research in

one of the department's current or developing areas of strength is

required.

3. Pending availability of funds, one or more visiting positions

for all or part of the 1990-91 academic year. Selection will be

based on research expertise and teaching ability. Preference will

be given to applicants whose scholarly activity is of particular

interest to members of the current faculty.

Women and minority candidates are especially urged to apply for any

of the above positions. The University of Iowa welcomes the

employment of highly qualified professional couples on its faculty

and staff, permits the appointment of faculty couples within the

same department, and permits the sharing of a single appointment by

a faculty couple. Applications will be received until January 31,

1990, or until the positions are filled.

To apply send a complete vita and have three or more letters of

recommendation sent to:

Professor W. A. Kirk, Chair

Department of Mathematics

University of Iowa

Iowa City, Iowa 52242.

The University of Iowa is an Equal Opportunity/Affirmative Action

Employer.

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

From: Richard W Brankin <TECHDESK%vax.num-alg-grp.co.uk@nsfnet-relay.ac.uk>

Date: Sun, 17 Sep 89 10:47 GMT

We were sorry to hear of the difficulties in attempting to re-compile the

NAG Fortran Library under the Apollo SR10.1 system by Mr. Calamai at the

University of Waterloo [NA News Digest, vol. 89, number 34, Sep 3rd 1989]

As far as we are aware, we had no contact with him prior to his public

message about the technical difficulties that he experienced. We have

responded to Mr. Calamai and below is an extract of our reply. We would

be most grateful if customers contact us first (by phone, fax, e-mail

or in writing) - to allow us the opportunity to comment and, if possible,

to assist - before using a public network to broadcast reports of apparent

difficulty involving the NAG Library; even if the Library itself is not

at fault (which we believe to be so in this case). We would certainly not

want recipients of such a message to infer (wrongly) that NAG does not provide

any advice or assistance.

We have been carrying out tests using Apollo SR10 with the NAG Fortran

Library. The initial tests, using a pre-release compiler (10.0), indicated many

problems with the Fortran compiler. A replacement Fortran compiler (10.6) came

with SR10.1 accompanied by a list of known errors. We have reported a number of

further compiler problems with SR10.1, and are awaiting a response from Apollo.

In the meantime we have been able to work around all of the problems. An

implementation of the NAG Fortran Library for use under SR10 is currently being

certified and we will release it when fully tested.

We have also tried Apollo's tools to convert object libraries for use between

SR9.7 and SR10. These tools break down after less than 300 modules have been

processed; again, Apollo have been informed.

NAG Technical Desk

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

End of NA Digest

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