Subject: NA Digest, V. 95, # 45 NA Digest Monday, November 13, 1995 Volume 95 : Issue 45 Today's Editor: Cleve Moler The MathWorks, Inc. moler@mathworks.com Today's Topics: Albert Booten Forsythe/Golub Reprint Files Mesh Generation for Volcano Model DASSL and High Index DAE's Interpolating Scattered Data Seeking Optimization Software Change of Address for John Hench New Parser/Solver for Semidefinite Programming Problems SYISDA Parallel Eigensolver Package IMANA Newsletter One Hundred Years of Runge-Kutta Methods Conference Honoring Mike Powell Conference Honoring Ivo Babuska Conference on Monte Carlo and Quasi-Monte Carlo Methods Basic Parallel Strategies for Scientific Computing CFD Short Course Workshop in Bulgaria Positions at Arizona State University Position at Numerical Algorithms Group Contents, Linear Algebra and its Applications Contents, Transactions on Mathematical Software Contents, Mathematics of Control, Signals, and Systems Contents, SIAM Review Contents, SIAM Numerical Analytsis Contents. BIT Numerical Mathematics Submissions for NA Digest: Mail to na.digest@na-net.ornl.gov. Information about NA-NET: Mail to na.help@na-net.ornl.gov. URL for the World Wide Web: http://www.netlib.org/na-net/na_home.html ------------------------------------------------------- From: Jan Kok Date: Mon, 13 Nov 1995 13:43:28 +0100 Subject: Albert Booten ALBERT BOOTEN This Monday morning we received the sad news that our colleague Albert Booten (Dr. J.G.L. Booten) passed away last Sunday, November 12. His death was completely unexpected, his heart failed during a sports event. Albert was only 33 years old. Since two years he held a position as a postdoc at CWI in Amsterdam. Whereas his background was in Physics, he got more and more interested in Numerical Linear Algebra. He was involved in a project for the computation of eigenvalues for very large matrices arising in MHD. This work was presented at the HPCN Conference in Munich (1994) and at the recent ICIAM Conference in Hamburg. Last Friday he presented a poster with recent results at a Symposium in Eindhoven and went for dinner with close colleagues afterwards. Albert was an able scientist and a very friendly person, and we will miss him very much. Jan Kok and Henk van der Vorst CWI, Amsterdam, and Utrecht University, Utrecht. ------------------------------ From: Gene Golub Date: Tue, 7 Nov 95 11:51:11 GMT Subject: Forsythe/Golub Reprint Files Friends, During my 1/3 of a century at Stanford, I have collected a vast number of papers and reprints. Many of these papers are not easily available and of great historical interest, eg David Young's thesis. I also have at my disposal the files of George Forsythe with his comments on many lectures. The CS department is about to move into a new building --- The Gates Building, and there will not be any storage space available. Does anyone have any suggestions as to how to dispose of these papers? Gene ------------------------------ From: Massimo Cristaldi Date: Mon, 6 Nov 1995 15:40:04 +0100 (GMT+0100) Subject: Mesh Generation for Volcano Model I'm a reasearcher of volcanology in Catania, Italy. I'd like to model a dike (a magma intrusion in a volcano) with a finite elements approach. My idea is to create a mesh of brick elements that have to represent Mt. Etna (Sicily) and to produce in an internal brick a force in order to get the associated field of stress. Until now, I'm using very simple mesh geometries: an external cube and a little internal cube (my dike). I'm using a public domain Finite Element program (FElt by J. Gobat and D. Atkinson) and an house-made mesh generator program. I'm facing with several problems: 1) Memory problems: FElt needs somethuing like 18 Mb for 300 elements: for my problem 300 elements are really few; 2) Complex mesh generations: I'd like to describe the form of a volcano... I'd like suggestions of ANY kind in how to resolve these problems and, of course, your point of view on the application I'm actually studying. Thanks in advance, Massimo Cristaldi Dr. Massimo Cristaldi Gruppo Nazionale per la Vulcanologia email: massimo@gnvx.iiv.ct.cnr.it Centro Operativo root@gnvx.iiv.ct.cnr.it Piazza Roma, 2 - Catania - ITALY mag@arctux.area.ct.cnr.it Tel. +39-95-448084 ------------------------------ From: Simon van der Linde Date: Tue, 7 Nov 1995 10:57:24 +0100 Subject: DASSL and High Index DAE's Digest Request I'm chemist (PhD student) and I'm trying to model the chemical reactions which take place in the reactor. Although its a simple reaction, the system can only be described with DAE's. I'm trying to solve the system but have already encountered some problems since the index of the system is not equal to one. I know their are several codes which solve DAE problems (DASSL,LSODI), but they are only capable of solving DAE's with index one. I'm just getting into the subject of modeling so I am not very familiar with the DASSL code (I just now how to use it). I was wondering if their are methods/codes which can solve higher index problems ? I also have another problem also concerning DAE's and it has to do with inconsistent initial conditions. I was wondering if you have come by a code which can handle inconsistent initial conditions or a code which computes initial conditions. I hope you are willing to help me with my problems. If you have advice or suggestions for references, I would greatly appreciate hearing from you. Thank you Simon van der Linde Delft University of Technology Julianalaan 136 2626 BL Delft The Netherlands E-mail: S.vanderlinde@stm.tudelft.nl ------------------------------ From: Dacome Maria Carolina Date: Tue, 07 Nov 1995 17:44:27 +0100 Subject: Interpolating Scattered Data Dear Members, We are working at modeling and simulation of transport of contaminants in porous media. We are looking for a public domain package that interpolates 2D or 3D scatter data and provides as output a grid of values. Each scatter point is defined by (x,y) or (x,y,z) location and one or more scalar values. We would be very grateful also to anyone able to provide us with some information about interpolation in case faults are present. Best regards. Marcello Pasquazzo Dacome M.Carolina TEMA S.p.A. Via Medici del Vascello 26 20138 MILANO (ITALY) Email:dacome@tema.it ------------------------------ From: Lang-sheng Yun Date: Sun, 12 Nov 1995 23:42:54 -0700 Subject: Seeking Optimization Software I am looking for software (preferably written in C) for solving optimization problems with linear constraints. The derivative information is not available for the cost function. The number of parameters is in the range of hundreds. Any help is greately appreciated. Sincerely, Lang Sheng Yun Computer Science Dept. Arizona State University ------------------------------ From: John Hench Date: Tue, 7 Nov 1995 13:43:33 +0000 (GMT) Subject: Change of Address for John Hench John Hench has recently moved from the Institute of Information Theory and Automation in Prague to the Mathematics Department at the University of Reading. His new address is: Dr. John Hench Department of Mathematics Whiteknights, PO Box 220 Reading RG6 6AF United Kingdom Tel: (44) (1734) 875 123 x4001 Fax: (44) (1734) 313 423 E-mail: J.Hench@Reading.ac.uk ------------------------------ From: Shao-Po Wu Date: Thu, 9 Nov 1995 13:47:39 -0800 Subject: New Parser/Solver for Semidefinite Programming Problems SDPSOL, version alpha available via anonymous ftp SDPSOL is a parser/solver for semidefinite programming (SDP) problems with matrix structure. Semidefinite programs arise in several applications, e.g., control theory, statistics, and combinatorial optimization. SDPSOL allows the user to specify SDPs in a convenient form that is close to the natural mathematical problem description. After parsing the problem description, SDPSOL solves the SDP using a primal-dual interior-point method, and reports the results in a convenient form. SDPSOL works as a stand-alone program, with ascii input/output, and can also read/write Matlab binary data (.mat) files. The current implementation DOES NOT exploit the matrix structure in the SDP solver (which is SP, also available via anonymous ftp), and hence is not particularly efficient. But it is (we hope) easy to use, and does work quite nicely on small and medium size problems (say, a hundred or fewer variables, and matrices of size 30x30 or so). We hope to develop a more efficient version, with upward compatible syntax. SDPSOL is available via anonymous ftp to isl.stanford.edu in /pub/boyd/semidef_prog/sdpsol. It can also be accessed via WWW from URL http://www-isl.stanford.edu/~boyd. Comments, suggestions and bug reports are welcome. Shao-po Wu & Stephen Boyd clive@isl.stanford.edu, boyd@isl.stanford.edu November 1995, Stanford CA ------------------------------ From: Thomas Turnbull Date: Fri, 10 Nov 1995 06:20:13 -0500 Subject: SYISDA Parallel Eigensolver Package We are pleased to announce a new release of the parallel SYmmetric Invariant Subspace Decomposition Approach (SYISDA) eigensolver package. These routines find all the eigenvalues and eigenvectors of real symmetric diagonalizable matrices and can easily be adapted to only resolve a certain part of the spectrum. (We are considering this option for a future release of the code. If interested in this option, please contact us.) All routines use MPI for their message passing. As a result, they should run on any machine which supports MPI. The code has been tested extensively on a wide variety of parallel architectures and test cases. There is also a User's Guide which provides directions on installing the package and explains the user interface. This package is part of the PRISM (Parallel Research on Invariant Subspace Methods) project. There are a large number of technical reports, conference papers, and working notes available via anonymous ftp from ftp.super.org in pub/prism or via a WWW browser from ftp://ftp.super.org/pub/prism. There is a README file which lists all of the reports/code contained in that directory. The code and User's Guide are located in file prism_syisda.tar.Z. Please feel free to contact us at prism@super.org if you have any problems or questions. ------------------------------ From: Iain Duff Date: Thu, 9 Nov 95 22:35:31 GMT Subject: IMANA Newsletter IMANA Newsletter Volume 20(1). October 1995. The part of the October issue of the IMANA Newsletter that I have available electronically can be accessed through anonymous ftp to RAL. The details of how to access it are given below. If readers wish to receive complete paper copies on a regular basis they should write to: Karen Jenkins Catherine Richards House Institute of Mathematics and its Applications 16 Nelson Street Southend-on-Sea Essex SS1 1EF UK who will supply further information and subscription rates. To get a copy ftp 130.246.8.32 When prompted for a userid, reply with "anonymous" and give your email address as a password. Then directory to pub/imana (cd pub/imana) Set mode to binary (bin) Copy is in file oct95.gz (get oct95.gz) Such machine readable information as I have for the conference section can be found in file oct95.conf.gz. Both files should be gunzipped whence they should be found to be in plain ASCII format. ------------------------------ From: B.P.Sommeijer@cwi.nl Date: Mon, 13 Nov 1995 14:02:55 +0100 Subject: One Hundred Years of Runge-Kutta Methods As announced earlier in NA Digest, the Centre for Mathematics and Computer Science (CWI) will organize a one-day symposium to celebrate the birthday of the Runge-Kutta methods: CWI - IMACS SYMPOSIUM 'ONE HUNDRED YEARS OF RUNGE-KUTTA METHODS' December 8, 1995 CWI, Room Z 011, Kruislaan 413, Amsterdam PROGRAM: Prof. G. Wanner (Univ. of Geneva) Runge-Kutta methods in the period 1895-1962 Prof. J.C. Butcher (Univ. of Auckland) Runge-Kutta methods in the period 1963-1995 Prof. S.P. Norsett (NTH, Trondheim) SIRK- and DIRK methods of Runge-Kutta type Prof. M.N. Spijker (Univ. of Leiden) The theory of error propagation in Runge-Kutta methods Prof. E. Hairer (Univ. of Geneva) On the error growth function of Runge-Kutta methods Dr. J.G. Verwer (CWI, Amsterdam) Explicit Runge-Kutta methods for parabolic PDEs For further information, you can contact the organizers: Peter van der Houwen (senna@cwi.nl), tel +31 20 592 4083, or Ben Sommeijer (bsom@cwi.nl), tel +31 20 592 4192; Address (for both): CWI, Dept. Numer. Anal. P.O. Box 94079, 1090 GB Amsterdam The Netherlands Fax: +31 20 592 4199 ------------------------------ From: Martin Buhmann Date: Mon, 6 Nov 95 08:45:27 +0100 Subject: Conference Honoring Mike Powell Conference on Numerical Mathematics Celebrating the 60th Birthday of M.J.D. Powell University of Cambridge, England 27--30 July 1996 Second announcement The opportunity for this conference is provided by the sixtieth birthday of one of world's leading numerical mathematicians, whose contributions to optimization and approximation have been decisive. The real purpose, however, is to celebrate numerical mathematics and scientific computing. The University of Cambridge, where Mike Powell has been for the last nineteen years the John Harvey Plummer Professor of Applied Numerical Analysis, is a suitable setting for this event. The participants will be accomodated at the historic Magdalene College, at the city centre of Cambridge. Bed and breakfast is available there for 30 pounds per night. Lunches and dinners are taken at the University Centre near the lecture theatres. There will also be a conference dinner and a wine and cheese reception at the first night of the conference. An information brochure about the conference and a registration form are presently available from the conference secretary, Karen Stringer DAMTP, University of Cambridge Silver Street Cambridge CB3 9EW United Kingdom or from the WWW site http://www.damtp.cam.ac.uk/DAMTP/user/na/conference.html There will be ten invited, longer lectures that focus on optimization and approximation theory, but submitted papers, addressing themselves to original and timely research, are welcome in all fields of numerical mathematics. We would now like to call for papers to be presented at this conference. They can be sent to the above address, by e-mail or otherwise. Every submission should contain the title of the talk and an abstract. The deadline for registration is 1 June 1996, the deadline for submitting an abstract 1 May 1996. The invited speakers are Ian Barrodale (Victoria, B.C.) Carl de Boor (University of Wisconsin) Roger Fletcher (University of Dundee) Gene Golub (Stanford University) Charles Micchelli (IBM Yorktown Heights) Jorge More (Argonne National Laboratory) Beresford Parlett (University of California) Mike Powell (University of Cambridge) Mike Todd (Cornell University) Philippe Toint (University of Namur) The organizing committee consists of Ian Barrodale (Victoria, B.C.), Martin Buhmann (ETH Zuerich), Wolfgang Dahmen (RWTH Aachen), Roger Fletcher (University of Dundee), Arieh Iserles (University of Cambridge), Will Light (University of Leicester), Bill Morton (University of Oxford), Mike Todd (Cornell University) and Phillipe Toint (University of Namur). Support for the conference is provided by the London Mathematical Society and the Department of Applied Mathematics and Theoretical Physics, University of Cambridge. For more information contact: M.D. Buhmann, Mathematik Departement, ETH Zentrum, 8092 Zuerich, Switzerland, E-Mail: mdb@math.ethz.ch or A. Iserles, Department of Applied Mathematics and Theoretical Physics, Silver Street, Cambridge CB3 9EW, England, E-Mail: ai@damtp.cam.ac.uk ------------------------------ From: Bruce Kellogg Date: Wed, 8 Nov 1995 06:39:51 -0500 (EST) Subject: Conference Honoring Ivo Babuska On March 21 - March 24, 1996, at the University of Maryland at College Park, there will be a conference on the mathematical modelling, mathematical analysis, and computational treatment of engineering problems. The conference will also mark the 70th birthday and the retirement of Ivo Babuska from the University of Maryland. Professor Babuska has devoted his entire professional life to the themes mentioned above, and has made numerous fundamental contributions. There will be approximately 20 invited speakers, as well as the opportunity for a limited number of contributed talks. Abstracts for contributed talks must be received by Jan. 1, 1996. Registration for the conference and abstracts of contributed talks should be sent to: Alice Ashton IPST University of Maryland College Park, Md. 20742-2431 ashton@ipst.umd.edu 301-405-4889 - voice 301-314-9363 - fax The following have accepted invitations to speak: D. Arnold, R. Bank, J. Bramble, B. Cockburn, J. Douglas, M. Fortin, T. Hughes, C. Johnson, J. Maddocks, R. Nochetto, T. Oden, J. Pitkaranta, W. Rheinboldt, B. Szabo, W. Szymczak, M. Vogelius, M. Wheeler, L. Xantis. Fur further information, see the Web page http://www.glue.umd.edu/~kellogg/ivo/ ------------------------------ From: Harald Niederreiter Date: Mon, 6 Nov 95 14:39:27 +0100 Subject: Conference on Monte Carlo and Quasi-Monte Carlo Methods SECOND INTERNATIONAL CONFERENCE ON MONTE CARLO AND QUASI-MONTE CARLO METHODS IN SCIENTIFIC COMPUTING UNIVERSITY OF SALZBURG, AUSTRIA 9 - 12 July, 1996 FIRST ANNOUNCEMENT The conference will be held in the Faculty of Sciences of the University of Salzburg, 9 - 12 July, 1996, and is hosted by the Department of Mathematics andthe University of Salzburg. It is the successor to the First International Conference held at the University of Nevada, Las Vegas, USA, in June 1994. CONFERENCE THEME The conference will address similar issues as the First Conference on Monte Carlo and Quasi-Monte Carlo Methods in Scientific Computing held at the University of Nevada, Las Vegas, from 23-25 June, 1994, for which the Proceedings edited by H. Niederreiter and P.J.-S. Shiue have already appeared (Lecture Notes in Statistics, Vol. 106, Springer, New York, 1995). One of the aims of the conference is to provide a joint forum for specialists in Monte Carlo methods and in quasi-Monte Carlo methods, two groups that have had relatively little contact until recently. The conference should also generate fruitful exchanges of ideas between theoreticians and practitioners of these and related methods. Theoretical and practical aspects of the following themes will be emphasized: - Monte Carlo methods - quasi-Monte Carlo methods - simulation methods - random number generation - applications of the topics above, case studies CONFIRMED INVITED SPEAKERS K. Binder Universit\"at Mainz, Germany L. Devroye McGill University, Canada J. Eichenauer-Herrmann TH Darmstadt, Germany P. Glasserman Columbia University, USA P. Heidelberger IBM T.J. Watson Research Center, USA G. Larcher Universit\"at Salzburg, Austria P. L'Ecuyer Universit\'e de Montr\'eal, Canada H. Niederreiter \"Osterreichische Akademie der Wissenschaften, Austria CALL FOR PAPERS Those wishing to contribute a 20 minute talk are asked to submit, by 1 March, 1996, three copies of an abstract containing at most 300 words to: Harald Niederreiter Austrian Academy of Sciences Institute of Information Processing Sonnenfelsgasse 19 A-1010 Wien, Austria Authors of accepted abstracts will be notified by 15 April, 1996. A refereed conference proceedings edited by H. Niederreiter and P. Zinterhof will be published, and authors of accepted abstracts will be invited to submit a full paper for the proceedings. SECOND ANNOUNCEMENT A second announcement containing a registration form will be sent in December, 1995. To ensure you receive one, or to register interest or likely attendance, as well as for further information, please e-mail: mc&qmc96@sbg.ac.at or contact: Gerhard Larcher Department of Mathematics University of Salzburg Hellbrunnerstrasse 34 A-5020 Salzburg, Austria For additional information, please see our Web-page under http://random.mat.sbg.ac.at/mc96/index.html ORGANIZING COMMITTEE PROGRAM COMMITTEE P. Hellekalek (Salzburg) L. Devroye (Montreal) G. Larcher (Salzburg) H. Faure (Marseille) H. Niederreiter (Vienna) B.L. Fox (Denver) P. Zinterhof (Salzburg) P. Hellekalek (Salzburg) G. Larcher (Salzburg) P. L'Ecuyer (Montreal) G.L. Mullen (University Park) H. Niederreiter (Vienna), Chair J. Spanier (Claremont) P. Zinterhof (Salzburg) ------------------------------ From: C. Walshaw Date: Wed, 8 Nov 1995 10:59:26 +0000 (GMT) Subject: Basic Parallel Strategies for Scientific Computing Basic Parallel Strategies for Scientific Computing One Day Course 29th November 1995 Typical Scientific Computing problems such as Computational Mechanics (CM) and Computational Fluid Dynamics (CFD) applications, with their large CPU requirements but reasonably sparse connectivity patterns, are potentially in an excellent position to exploit the emerging High Performance Computing (HPC) technologies to obtain a far greater throughput of results. This one-day course provides an introduction to the principles behind parallel scientific computing such as message passing data/problem decomposition and programming paradigms. The course will be run by the University of Greenwich, under the auspices of the London & South-East centre for High Performance Computing (SEL-HPC). SEL-HPC is a JISC funded consortium comprised of the London Parallel Applications Centre, the University of Greenwich & the University of London Computer Centre, formed in response to the new technologies initiative in HPC. Further information about its activities can be found at "http://www.lpac.ac.uk/SEL-HPC/" ------------------------------ From: Chaoqun Liu Date: Wed, 8 Nov 1995 14:42:23 -0700 Subject: CFD Short Course ADVANCES IN COMPUTATIONAL FLUID DYNAMICS A 5-Day Short Course Announcement Louisiana Tech University, Ruston, Louisiana June 24 - 28, 1996 The Louisiana Tech University will host a 5-day CFD short course in the summer of 1996. A number of leading researchers will give lectures on recent advances in CFD. Several advanced teaching and research codes for incompressible flow, direct numerical simulation for flow transition, and numerical combustion with detailed chemistry will be described and distributed to all attendants for free. Anyone who is interested in CFD and has basic multigrid and CFD knowledge, including faculty, graduate students, scientific researchers, government agents, and industrial scientists and engineers, are welcome to attend. The registration fee is at a discounted level of $350 (group rate is $250 and student rate is $150), and it covers all lecture notes, floppy disks with computational codes, a reception, and a formal dinner. The lectures include: Multigrid and multilevel adaptive methods First-order system least square (FOSLS) Preconditioning for low speed flow Central difference, R-K scheme, and residual smoothing Boundary conditions for time dependent flows Upwind differencing - principles and recent development Advanced turbulence models Fast Navier-Stokes solver High-order grid generation Direct numerical simulation for complex geometry Non-reflecting outflow boundary condition Multilevel grid dissipation Numerical simulation for turbulent combustion with detailed chemistry Numerical pollutant prediction The speakers include: Dr. L. Sakell (US Air Force Office of Scientific Research) Dr. A. Brandt (Weizmann Institute, Israel) Dr. E. Turkel (Tel Aviv University, Israel) Dr. P. Roe (University of Michigan) Dr. S. McCormick (University of Colorado at Boulder) Drs. T-H Shih and J. Zhu (NASA Lewis Research Center) Dr. C-H Sung (Navy David Taylor Research Center) Dr. C. Liu ( Louisiana Tech University) Drs. Z. Liu, X. Zheng, and C. Liao ( Louisiana Tech University) For more information please go to: http://www.math.tech.edu/~cliu or call Chaoqun Liu at (318) 257-2924. Prof. Chaoqun Liu ACFD Short Course Chair Department of Mathematics and Statistics Louisiana Tech University P.O. Box 3189, Ruston, LA 71272-0001 Tel : (318) 257-2924 Fax : (318)257-3935 email : cliu@math.latech.edu http://www.math.latech.edu/~cliu ------------------------------ From: Plamen Yalamov Date: Fri, 10 Nov 1995 12:31:47 +0200 (EET) Subject: Workshop in Bulgaria FIRST WORKSHOP ON NUMERICAL ANALYSIS AND APPLICATIONS RUSSE, BULGARIA, JUNE 24-27, 1996 Organizers: University of Russe, Association of Bulgarian Mathematicians - Russe Co-organizers: Institute of Mathematics and Center for Informatics and Information Technologies of the Bulgarian Academy of Sciences, Technical University of Gabrovo, Technical University of Sofia, University of Texas of the Permian Basin In cooperation with: ACM Special Interest Group on Numerical Mathematics Society for Industial and Applied Mathematics Traditionally every 4 years a Conference on Numerical Analysis and Applications is organized in Bulgaria. The present workshop is meant to support this tradition and to serve as an intermediate meeting between these conferences. We would like to give an opportunity for mathematicians and applied scientists to discuss topics of common interest. The workshop will have four tracks: 1. Numerical Linear Algebra. 2. Numerical Methods for Differential Equations. 3. Numerical Modeling. 4. High Performance Scientific Computing Preliminary list of Invited Speakers: R. Bisseling (Netherlands), L. Brugnano (Italy), E. Dyakonov (Russia), I. Gladwell (USA), S. K. Godunov (Russia), A. Griewank (Germany), S. Hammarling (UK), W. Hofmann (Germany), B. Jovanovich (Yugoslavia), A. Karageorghis (Cyprus), Yu. A. Kuznetsov (Russia), R. Maerz (Germany), W. T. Pickering (UK), R. Plemmons (USA), G. I. Shishkin (Russia), I. Siciliu (Romania), T. Szulc (Poland), E. E. Tyrtyshnikov (Russia), P. Vabishchevich (Russia), W. Varnhorn (Germany), V. V. Voevodin (Russia), Z. Zlatev (Denmark). Organizing committee: L. Vulkov (Chair), P. Yalamov (co-Chair), A. Andreev, P. Ivanova, I. Lirkov, M. Paprzycki, V. Pavlov, S. Romanova, T. Todorov, K. Zlateva, J. Wasniewski. We would like to invite all interested individuals to ORGANIZE MINISYMPOSIA and CONTRIBUTE PAPERS related to one or more of the conference tracks. Please send a minisyposium abstract (approximately one page) and a list of 4-8 speakers by December 1, 1995. To contribute a paper send an extended abstract (approximately one page) by February 28, 1996. Direct all correspondence to: Plamen Yalamov Marcin Paprzycki Dept. of Mathematics Dept. of Mathematics and CS University of Russe UT Permian Basin 7017 Russe, BULGARIA Odessa, TX 79762, USA yalamov@iscbg.acad.bg paprzycki_m@gusher.pb.utexas.edu ------------------------------ From: Hans Mittelmann Date: Tue, 7 Nov 1995 20:31:53 -0700 Subject: Positions at Arizona State University ARIZONA STATE UNIVERSITY Department of Mathematics The Department of Mathematics at Arizona State University invites applications for tenure track positions at the Assistant Professor level, pending budgetary approval, beginning in the fall semester of 1996. Applicants are required to have a Ph.D. in mathematics or closely related area. Applicants must also have excellent teaching and communication skills and be capable of versatile teaching at both the undergraduate and graduate levels. Applicants must have research strength in one or more of the following interdisciplinary areas: 1. Partial differential equations, computational and geometric aspects of partial differential equations, dynamical systems. 2. Computationally oriented applied mathematics which interfaces with life sciences. 3. Applied and theoretical statistics, with strong interests in interdisciplinary applications. Within these three priority areas, preference will be given to candidates who reinforce existing departmental strengths. The main campus of Arizona State University has approximately 43,000 students and is located in the rapidly growing metropolitan Phoenix area, which provides a wide variety of recreational and cultural opportunities. The Department of Mathematics currently has 55 full time faculty members. Departmental computing facilities include a networked cluster of high end workstations as well as several graphics computers. In addition, access is provided to the university's central computing facilities which include a massively parallel super computer. Applicants must send their resume and arrange for at least three letters of recommendation be sent to William T. Trotter, Chair Department of Mathematics Box 871804 Arizona State University Tempe, Arizona 85287-1804 Review of applications will begin February 1, 1996, and will continue weekly until the position is filled. AA/EOE. ------------------------------ From: Richard Brankin Date: Fri, 10 Nov 1995 09:29:11 +0000 (GMT) Subject: Position at Numerical Algorithms Group The Numerical Algorithms Group (NAG) Ltd, UK Position Announcement An opportunity has arisen within the Numerical Libraries Division at NAG Ltd. for a Parallel Programmer/Analyst to work on a major new project funded by the European Commission. The work will involve the design, development, documentation and support of numerical software aimed at distributed-memory parallel computers. NAG is the Coordinating Partner of the project and work will involve extensive collaboration with the other members of the consortium (in the U.K., Denmark, France and Italy). The ideal candidate will have a good honours degree in a mathematical, scientific or engineering subject, and substantial experience of numerical computing, particularly in developing software for parallel computers, preferably in Fortran. The post will be based in Oxford and will be a fixed term 3 year appointment. Salary will be in the range (pounds sterling) 16,527 to 26,095, with generous pension arrangements and six weeks holiday per year. For further details please contact: The Administrator, The Numerical Algorithms Group Ltd, Wilkinson House, Jordan Hill Road, Oxford OX2 8DR, UNITED KINGDOM Tel: +44 (0)1865 511245 Fax: +44 (0)1865 310139 Closing date for applications - 27 November 1995. Visit our homepages at http://www.nag.co.uk/ | Dr. R.W.Brankin | NAG Ltd, Jordan Hill Rd | Tel: +44 (0)1865 511 245 | | richard@nag.co.uk | OXFORD, UK, OX2 8DR | Fax: +44 (0)1865 310 139 | ------------------------------ From: Richard Brualdi Date: Mon, 6 Nov 1995 10:42:06 -0600 (CST) Subject: Contents, Linear Algebra and its Applications LINEAR ALGEBRA AND ITS APPLICATIONS Contents Volume 232, January 1, 1996 Evgenij E. Tyrtyshnikov (Moscow, Russia) A Unifying Approach to Some Old and New Theorems on Distribution and Clustering 1 V. Kreinovich (El Paso, Texas), A. V. Lakeyev, and S. I. Noskov (Irkutsk, Russia) Approximate Linear Algebra Is Intractable 45 J. A. Dias da Silva (Lisboa, Portugal) Flags and Equality of Tensors 55 P. Tarazaga (Mayaguez, Puerto Rico), T. L. Hayden, and Jim Wells (Lexington, Kentucky) Circum-Euclidean Distance Matrices and Faces 77 David A. Schmidt and Chjan C. Lim (Troy, New York) Full Sign-Invertibility and Symplectic Matrices 97 Vlad Ionescu and Cristian Oara (Bucharest, Romania) Generalized Continuous-Time Riccati Theory 111 M. Madalena Martins, M. Estela Trigo, and M. Madalena Santos (Coimbra, Portugal) An Error Bound for the SSOR and USSOR Methods 131 Miroslav Fiedler (Praha, Czech Republic) A Note on the Row-Rhomboidal Form of a Matrix 149 Ma Asuncion Beitia and Juan-Miguel Gracia (Victoria-Gasteiz, Spain) Sylvester Matrix Equation for Matrix Pencils 155 Miroslav Fiedler (Praha, Czech Republic) and Thomas L. Markham (Columbia, South Carolina) Some Results on the Bergstrom and Minkowski Inequalities 199 A. Hadjidimos (West Lafayette, Indiana), D. Noutsos, and M. Tzoumas (Ioannina, Greece) On the Exact p-Cyclic SSOR Convergence Domains 213 Raymond H. Chan, Michael K. Ng, and C. K. Wong (Hong Kong) Sine Transform Based Preconditioners for Symmetric Toeplitz Systems 237 William Y. C. Chen and James D. Louck (Los Alamos, New Mexico) The Combinatorial Power of the Companion Matrix 261 Author Index 279 ------------------------------ From: Ron Boisvert Date: Mon, 6 Nov 95 11:56:04 EST Subject: Contents, Transactions on Mathematical Software (Note: For complete TOMS information see http://www.acm.org/pubs/toms/.) Table of Contents ACM Transactions on Mathematical Software (TOMS) Volume 21, Number 4 (December 1995) Mariarosaria Rizzardi A Modification of Talbert's Method for the Simultaneous Approximation of Several Values of the Inverse Laplace Transform 347-371 Barry G. Sherlock and Donald M. Monro Algorithm 749: Fast Discrete Cosine Transform 372-378 David H. Bailey A Fortran-90 Based Multiprecision System 379-387 D. E. Amos A Remark on Algorithm 644: A Portable Package for Bessel Functions of a Complex Argument and Nonnegative Order 388-393 G. Carpaneto, M. Dell'Amico and P. Toth Exact Solution of Large Scale Asymmetric Travelling Salesman Problems 394-409 G. Carpaneto, M. Dell'Amico and P. Toth Algorithm 750: CDT: A Subroutine for the Exact Solution of Large-Scale Asymmetric Travelling Salesman Problems 410-415 B. G. S. Doman and C. J. Pursglove and W. M. Coen A Set of Ada Packages for High Precision Calculations 416-431 J. A. Scott An Arnoldi Code for Computing Selected Eigenvalues of Sparse Real Unsymmetric Matrices 432-475 Linda Kaufman Computing the ${MDM}^{T}$ decomposition 476-489 Iain S. Duff and Jennifer A. Scott Corrigendum: Computing Selected Eigenvalued of Sparse Unsymmetric Matrices Using Subspace Iteration 490 ------------------------------ From: Lieke v.d. Eersten-Schultze Date: Tue, 07 Nov 1995 14:24:49 +0100 Subject: Contents, Mathematics of Control, Signals, and Systems Contributed by Jan H. van Schuppen (J.H.van.Schuppen@cwi.nl) Mathematics of Control, Signals, and Systems (MCSS) TABLE OF CONTENTS Volume 8, Issue 1 B.F. La Scala, R.R. Bitmead, and M.R. James, Conditions for Stability of the Extended Kalman Filter and Their Application to the Frequency Tracking Problem, 1-27. U. Helmke and R.C. Williamson, Neural Networks, Rational Functions, and Realization Theory, 27-50. J.W. van der Woude, The Generic Dimension of a Minimal Realization of an AR System, 50-65. J. Kogan and A. Leizarowitz, Exponential Stability of Linear Systems with Commensurate Time-Delays, 65-82. H. Gluesing-Lueerssen, Continuous State Representations for AR Systems, 82-95. REMINDER The new address for submissions is: J.H. van Schuppen Co-Editor MCSS CWI P.O. Box 94079 1090 GB Amsterdam The Netherlands E-mail inquires regarding submission should be addressed to: mcss@cwi.nl. ------------------------------ From: SIAM Date: Tue, 07 Nov 95 09:17:16 EST Subject: Contents, SIAM Review SIAM Review DECEMBER 1995 Volume 37, Number 4 Articles Korn's Inequalities and Their Applications in Continuum Mechanics C. O. Horgan A Rank-One Reduction Formula and Its Applications to Matrix Factorizations Moody T. Chu, Robert E. Funderlic, and Gene H. Golub Historical Development of the Newton-Raphson Method Tjalling J. Ypma The Approximation Problem for Drift-Diffusion Systems Joseph W. Jerome Using Linear Algebra for Intelligent Information Retrieval Michael W. Berry and Susan T. Dumais Classroom Notes in Applied Mathematics A Unified Proof of Two Theorems in Statistics A. N. Al-Hussaini Applying Elementary Probability Theory to the NBA Draft Lottery Stephen G. Penrice On Floating-Point Summation T. O. Espelid Problems and Solutions Book Reviews First-order Representations of Linear Systems (Margreet Kuijper), J. D. Aplevich The Mathematical Theory of Dilute Gases (C. Cercignani, R. Illner, and M. Pulvierenti), Claude Bardos A Friendly Guide to Wavelets (Gerald Kaiser), Michael Frazier Periodic Motions (Miklos Farkas), H. I. Freedman Parallel Computing Using the Prefix Problem (S. Lakshmivarahan and Sudarshan K. Dhall), E. Gallopoulos Statistical Methods for Groundwater Monitoring (Robert D. Gibbons), Edward J. Gilroy An Introduction to the Modeling of Neural Networks (P. Peretto), Christopher W. Myers and Frank H. Guenther Analysis and Control of Nonlinear Infinite Dimensional Systems (Viorel Barbu), Philip Korman Multivariate Statistical Modelling Based on Generalized Linear Models (Ludwig Fahrmeir and Gerhard Tutz), Brian D. Marx Laws of Small Numbers: Extremes and Rare Events (Michael Falk, Jurg Husler, and Rolf-Dieter Reiss), George L. O'Brien Measurement, Regression, and Calibration (Philip J. Brown), S. Panchapakesan Mathematical Aspects of Geometric Modeling (Charles A. Micchelli), Ewald Quak Nonlinear Problems of Elasticity (Stuart S. Antman), Michael Renardy The Riemann-Hilbert Problem (D. V. Anosov and A. A. Bolibruch), Yasutaka Sibuya Dynamical Systems: Stability, Dynamics, and Chaos (Clark Robinson), Russell Walker Control Under Lack of Information (A. N. Krasovskii and N. N. Krasovskii), Jiongmin Yong Selected Collections Later Editions Chronicle Author Index ------------------------------ From: SIAM Date: Fri, 10 Nov 95 13:29:14 EST Subject: Contents, SIAM Numerical Analytsis SIAM Journal on Numerical Analysis AUGUST 1995, Volume 32, Number 4 CONTENTS A Fast Solver for Navier-Stokes Equations in the Laminar Regime Using Mortar Finite Element and Boundary Element Methods Y. Achdou and O. Pironneau Projection Method I: Convergence and Numerical Boundary Layers Weinan E and Jian-Guo Liu Numerics and Hydrodynamic Stability: Toward Error Control in Computational Fluid Dynamics Claes Johnson, Rolf Rannacher, and Mats Boman Convergence of Particle Methods with Random Rezoning for the Two- Dimensional Euler and Navier-Stokes Equations Y. Brenier and G.-H. Cottet Particle Approximation of a Linear Convection-Diffusion Problem with Neumann Boundary Conditions S. Mas-Gallic Multigrid Smoothing Factors for Red-Black Gauss-Seidel Relaxation Applied to a Class of Elliptic Operators Irad Yavneh Numerical Solutions of One-Pressure Models in Multifluid Flows Fabienne Berger and Jean-Francois Colombeau Finite Element Approximation of Time Harmonic Waves in Periodic Structures Gang Bao Error Estimates on a New Nonlinear Galerkin Method Based on Two- Grid Finite Elements Martine Marion and Jinchao Xu Convergence of a Second-Order Scheme for the Nonlinear Dynamical Equations of Elastic Rods Richard S. Falk and Jian-Ming Xu Optimal Selection of the Bubble Function in the Stabilization of the P1-P1 Element for the Stokes Problem Roger Pierre Thermal Simulation of Pipeline Flow Philip T. Keenan Spectral Approximation of a Boundary Condition for an Eigenvalue Problem Anne-Sophie Bonnet-Bendhia and Nabil Gmati Finite Element Vibration Analysis of Fluid-Solid Systems Without Spurious Modes A. Bermudez, R. Duran, M. A. Muschietti, R. Rodriguez, and J. Solomin Runge-Kutta Solutions of Stiff Differential Equations Near Stationary Points Ch. Lubich, K. Nipp, and D. Stoffer A Product-Decomposition Bound for Bezout Numbers Alexander P. Morgan, Andrew J. Sommese, and Charles W. Wampler ------------------------------ From: Ake Bjorck Date: Thu, 9 Nov 1995 17:29:29 +0100 Subject: Contents. BIT Numerical Mathematics CONTENTS BIT Numerical Mathematics ISSN 0006-3835 Volume 35, No. 4 (1995) On the modified Gram-Schmidt algorithm for weighted and constrained linear least squares M. Gulliksson, pp. 453--468 Exact SOR convergence regions for a general class of $p$-cyclic matrices A. Hadjidimos, D. Noutsos, and M. Tzoumas, pp. 469--487 Stable approximation of fractional derivatives of rough functions D. N. H\`ao, H. -J. Reinhardt and A. Schneider, pp. 488--503 Stability analysis of numerical methods for systems of neutral delay-differential equations G. -D. Hu and T. Mitsui, pp. 504--515 A block incomplete orthogonalization method for large unsymmetric eigenproblems Z. Jia, pp 516--539 On a new kind of Birkhoff type trigonometric interpolation T. Jiang, pp 540--547 Time-marching algorithms for initial-boundary value problems based upon ``approximate approximations'' V. Karlin and V. Maz'ya, pp. 548--560 An interval iteration for multiple roots of transcendental equations Q. Lin and J. G. Rokne, pp. 561--571 Lie-Butcher theory for Runge-Kutta methods. H. Munthe-Kaas, pp. 572--587 Solution of sparse rectangular systems using LSQR and CRAIG M. A. Saunders, pp. 588--604 SCIENTIFIC NOTES} On the bounds of approximations of holomorphic semigroups N. Yu. Bakaev, pp. 605--608 Heuristic investigation of chaotic mapping producing fractal objects ACKNOWLEDGEMENTS, pp. 616 INDEX, pp. 617--619 Contributions in LaTeX are preferred. Information for subscription and authors files are available from the Editor or from the WWW server for BIT at: http://math.liu.se/BIT/ {\AA}ke Bj\"orck Department of Mathematics Link\"oping University S-581 83 Link\"oping, Sweden email: akbjo@math.liu.se ------------------------------ End of NA Digest ************************** -------