Subject: NA Digest, V. 96, # 06 NA Digest Sunday, February 11, 1996 Volume 96 : Issue 06 Today's Editor: Cleve Moler The MathWorks, Inc. moler@mathworks.com Today's Topics: CBC Radio Quirks and Quarks Quiz Seeking Parallel Sparse Solvers PGAPack, Parallel Genetic Algorithm Library Flow of Water Through a Porous Medium New Address for Horst Simon and Positions at NERSC Density of States of a Hamiltonian system ACM Classification Scheme Update New Book on Applications of Interval Computations Reprinting of Brenan, Campbell and Petzold DAE Book SIAM Annual Meeting BLAS Technical Forum Workshop on Programming Environment and Tools NATO ASI on Large Scale Sparse Linear System Resolution Workshop on Multivalued Eikonal Solvers Numerical Solution of Volterra and Delay Equatiuons Workshop in Bulgaria Position at Kent State University Position at University of Texas at El Paso Position at BEAM Technologies, Ithaca, NY Positions at Norwegian University of Science and Technology Position at the Swiss Federal Institute of Technology Graduate Fellowships at Old Dominion University Postdoctoral Positions at Concordia University, Montreal Contents, SIAM J. on Scientific Computing 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: John C. Nash Date: Sat, 3 Feb 1996 17:43:27 -0500 (EST) Subject: CBC Radio Quirks and Quarks Quiz Readers may be interested in a quiz question that was posed on CBC Quirks and Quarks Jan 27 1996 as a useful didactic example. The quiz question concerns summing the harmonic series. While the author (Maria Klawe of UBC) was clearly thinking of floating point summation, students today might actually jump towards symbolic tools (DERIVE, Maple or Mathematica). More details are in the Web pages starting with http://macnash.admin.uottawa.ca/qqjn9601.htm Email comments on this are welcome. There are also text and Postscript forms available for download by ftp to the same server (and embedded in the page above). John C. Nash, Professor of Management, Faculty of Administration 136 Jean-Jacques Lussier Private, University of Ottawa, Ottawa Ontario, K1N 6N5 Canada jcnash@aix1.uottawa.ca fax 613 562 5164 ------------------------------ From: Young-seon Lee Date: Sat, 10 Feb 1996 14:28:00 -0700 (MST) Subject: Seeking Parallel Sparse Solvers I am studying on a parallel implementation on solving sparse linear system. I chose to use Newton's Method for solving a nonlinear system for each time step. So I got a Jacobian matrix which is sparse and penta-diagonal. I want to solve the sparse penta-diagonal linear system J*X=B with a direct method or iterative method. I use IBM SP2(distributed memory multiprocessor) machine with MPI(Message Passing Inteface) or HPF. If you have any idea or code for my problem, please let me know. Thank you Young-Seon Lee Department of Mathematics 233 Widstoe Building University of Utah Salt Lake City, UT 84112 Phone:(801)-581-4876 E-mail: ylee@math.utah.edu ------------------------------ From: David Levine Date: Mon, 5 Feb 1996 16:54:54 -0600 Subject: PGAPack, Parallel Genetic Algorithm Library PGAPack is a general-purpose, data-structure-neutral, parallel genetic algorithm library. It is intended to provide most capabilities desired in a genetic algorithm library, in an integrated, seamless, and portable manner. Key features include: * Callable from Fortran or C. * Runs on uniprocessors, parallel computers, and workstation networks. * Binary-, integer-, real-, and character-valued native data types. * Full extensibility to support custom operators and new data types. * Easy-to-use interface for novice and application users. * Multiple levels of access for expert users. * Parameterized population replacement. * Multiple crossover, mutation, and selection operators * Easy integration of hill-climbing heuristics. * Extensive debugging facilities. * Large set of example problems. * Detailed users guide PGAPack is available: -- via anonymous ftp from ftp.mcs.anl.gov in file pub/pgapack/pgapack.tar.Z -- via the web at http://www.mcs.anl.gov/pgapack.html David Levine levine@mcs.anl.gov http://www.mcs.anl.gov/home/levine MCS 221 C-216 Argonne National Laboratory Argonne, Illinois 60439 (708)-252-6735 Fax: (708)-252-5986 ------------------------------ From: Hong Zhang-Sun Date: Fri, 9 Feb 1996 08:55:20 -0600 Subject: Flow of Water Through a Porous Medium A professor of geology here is interested in mathematical models and computational methods/software that may solve his problem. He gave me the problem description: I wish to use the Navier-Stokes equations or some simplification of them to determine the flow of water through a porous medium under steady-state conditions for an arbitrary, but known, pore structure. Flow is assumed to be laminar for the range of conditions of interest. Boundary conditions include (1) velocity is 0 at pore boundaries (2) pressure is known along two parallel planes perpendicular to the main direction of flow. I do not wish to model the overall average flow field but the flow through individual pores and the variation of velocity within individual pores. Any reference would be helpful. Thanks. Hong Zhang Department of Mathematical Sciences Clemson University Clemson, SC 29634-1907 Phone: (504) 388-4966 Fax: (504) 388-4276 Email: zhang@math.lsu.edu ------------------------------ From: Horst Simon Date: Fri, 9 Feb 1996 07:14:20 -0800 Subject: New Address for Horst Simon and Positions at NERSC I would like to inform the NA community that I have accepted a new position at Lawrence Berkeley National Laboratory as director of the NERSC Division. As you may have heard, the Department of Energy has decided to relocate the NERSC supercomputer center from Livermore to Berkeley. This decision is documented in http://www.nersc.gov/doc/Whats_New/decisiondoc.html and general information about NERSC can be found at http://www.nersc.gov/ NERSC will run in the near future a 512 processor Cray T3E as well as a cluster of Cray J90 machines and move the Cray C90 from Livermore to Berkeley. I am very excited to be in the middle of the re-creation of a supercomputer center. In particular I am looking forward to the increased interaction with the UC Berkeley computer science and applications community. There are many job openings at NERSC, and they are listed at http://ux9.lbl.gov/LBL-Documents/CJOs/ Please take a look and bring them to the attention of students or others interested in helping to build the new NERSC. Horst D. Simon Director, NERSC Division Lawrence Berkeley National Laboratory Mail Stop 50A/5104 University of California Berkeley, CA 94720 (510) 486-7377 (510) 486-6060 simon@nersc.gov ------------------------------ From: Rajiv Kamilla Date: Fri, 9 Feb 1996 12:28:25 -0500 (EST) Subject: Density of States of a Hamiltonian system Hello! I have a small question for people who have experience in calculating the eigenvalues of extremely large matrices viz. of the order of 50000 times 50000. I am interested in evaluating the Density of States (DOS) of this matrix (real and symmetric). Therefore I would like to evaluate all the eigenvalues of this matrix. I would appreciate any references or any programs available in the NET that does evaluate the above. Thanks in advance. Rajiv Rajiv Krushna Kamilla email address: rkamilla@insti.physics.sunysb.edu Physics Dept. Phone: (516) 632-8172(work) SUNY@Stonybrook (516) 366-6368(home) NY-11794-3800 WWW:http://insti.physics.sunysb.edu/~rkamilla/ ------------------------------ From: Vladik Kreinovich Date: Tue, 6 Feb 96 19:41:50 MST Subject: ACM Classification Scheme Update The ACM Computing Classification Scheme (CCS) used by Computing Reviews and many other publications in the computing field, will be revised in January 1997, and ACM is asking for suggestions. The latest (1991) version of the CCS is available on the Web at http://www.acm.org/class/1991/ Topics from numerical analysis form Section G.1. Additional information about this project can be obtained from Carol Wierzbicki, the Managing Editor of Computing Reviews, at wierzbicki@acm.org. ------------------------------ From: Vladik Kreinovich Date: Tue, 6 Feb 96 19:37:39 MST Subject: New Book on Applications of Interval Computations Bounding Approaches to System Identification Edited by: Mario Milanese Politecnico di Torino, Italy, John Norton University of Birmingham, England, Helene Piet-Lahanier Office National d'Etudes et de Recherches Aeronautique, Chatillon, France, Eric Walter, CNRS -- Ecole Superieure d'Electricite, Gif-sur-Yvette, France. Plenum Press ISBN: 0-306-45021-6. 557 pp. 1996 Domestic price: $135.00 (US and Canada) Foreign price: $162.00 (elsewhere) Text adoption price on orders of six or more copies: $69.50 each Description: In response to the growing interest in bounding error approaches, the editors of this volume offer the first collection of papers describing advances in techniques and applications of bounding of the parameters or state variables of uncertain dynamical systems. Contributors explore the application of the bounding approach as an alternative to the probabilistic analysis of such systems, relating its importance to robust control-system design. Topics include: * modeling and control; * linear and nonlinear systems; * theory, algorithms, and applications; and * Western and Eastern approaches. * electrical systems science and control; * communication systems; * applications of mathematics. For a more detailed information on this and other interval-related books (as well as conferences, etc.), see Interval Computations homepage at http://cs.utep.edu/interval-comp/main.html ------------------------------ From: Steve Campbell Date: Mon, 5 Feb 1996 08:13:24 -0500 Subject: Reprinting of Brenan, Campbell and Petzold DAE Book Our book on the numerical solution of differential algebraic equations is being reprinted by SIAM: Some of the developments since the first edition are addressed in the new Chapter 7 and its supplementary bibliography. Numerical Solution of Initial-Value Problems in Differential-Algebraic Equations K.E. Brenan, S.L. Campbell, and L.R. Petzold Series: Classics in Applied Mathematics 14 Many physical problems are most naturally described by systems of differential and algebraic equations. This book describes some of the places where differential-algebraic equations (DAE's) occur. The basic mathematical theory for these equations is developed and numerical methods are presented and analyzed. Examples drawn from a variety of applications are used to motivate and illustrate the concepts and techniques. This classic edition, originally published in 1989, develops guidelines for choosing different numerical methods. It discusses DAE codes, including the popular DASSL code. An extensive discussion of backward differentiation formulas details why they have emerged as the most popular and best understood class of linear multistep methods for DAE's. New to this edition is a chapter that brings the discussion of DAE software up to date. The objective of this monograph is to advance and consolidate the existing research results for the numerical solution of DAE's. The authors present results on the analysis of numerical methods, and also show how these results are relevant for the solution of problems from applications. They develop guidelines for problem formulation and effective use of the available mathematical software and provide extensive references for further study. Contents Preface; Chapter 1: Introduction. Why DAE's?; Basic Types of DAE's; Applications; Overview; Chapter 2: Theory of DAE's. Introduction; Solvability and the Index; Linear Constant Coefficient DAE's; Linear Time Varying DAE's; Nonlinear Systems; Chapter 3: Multistep methods. Introduction; DBF Convergence; BDF Methods, DAE's and Stiff Problems; General Linear Multistep Methods; Chapter 4: One-Step Methods. Introduction; Linear Constant Coefficient Systems; Nonlinear Index One Systems; Semi-Explicit Nonlinear Index Two Systems; Order Reduction and Stiffness; Extrapolation Methods; Chapter 5: Software and DAE's. Introduction; Algorithms and Strategies in Dassl; Obtaining Numerical Solutions; Solving Higher Index Systems; Chapter 6: Applications. Introduction; Systems of Rigid Bodies; Trajectory Prescribed Path control; Electrical Networks; DAE's Arising from the Method of Lines; Bibliography; Chapter 7: The DAE Home Page. Introduction; Theoretical Advances; Numerical Analysis Advancements; DAE Software; DASSL; Supplementary Bibliography; Index. Fall 1995 / 256 pages / Softcover / ISBN 0-89871-353-6 List Price $29.50 / SIAM Member Price $23.60 / Order Code CL14 ------------------------------ From: Trini Flores Date: Thu, 08 Feb 96 12:02:10 EST Subject: SIAM Annual Meeting 1996 SIAM Annual Meeting July 22-26, 1996 Hyatt Regency Crown Center Kansas City, Missouri Phone: 215-392-9800 Fax: 215-386-7999 E-Mail: meetings@siam.org WWW: http://www.siam.org/meetings/an96/an96home.htm A major theme of the 1996 meeting will be "New Tools of Applied Mathematics." It will focus on some of the tools that have been developed recently in various areas of applied mathematics that promise to affect the way we do things in the next decade. One example is the strengthening interface of mathematicians with computers and a "nonlinear" version of the steepest descents and stationary phase methods of asymptotics. Other areas that will be emphasized include control theory, dynamical systems, stochastic processes and geometric design. The deadline for submission of contributed abstracts has been extended to APRIL 15, 1996. Send now your 75-word abstract to meetings@siam.org. Accepted submissions will appear in the meeting final program. INVITED PRESENTATIONS Continuous Process Scheduling: Where Theory Meets Practice Alok Aggarwal, IBM T.J. Watson Research Center Integrable Systems--Theory and Applications Anthony M. Bloch, University of Michigan, Ann Arbor The Birth of the Infinite Cluster: Finite-size Scaling in Percolation Jennifer T. Chayes, University of California, Los Angeles Stabilizing Time-Varying State and Output Feedback Jean-Michel Coron, CMLA-ENS, France Polynomial Interpolation (The John von Neumann Lecture) Carl de Boor, University of Wisconsin, Madison A Steepest-Descent/Stationary Phase Type Method for Oscillatory Riemann-Hilbert Problems. Applications to Integrable Models in Mathematical Physics Percy Alec Deift, New York University Mathematical Challenges in Ocean Modeling Darryl D. Holm, Los Alamos National Laboratory Catalytic Pattern Formation on Microdesigned Surfaces Yannis G. Kevrekidis, Princeton University Inverse Problems: Three Formulas for Finding Properties of Vibrating Systems from Nodal Lines and Surfaces Joyce R. McLaughlin, Rensselaer Polytechnic Institute Why Is It So Hard to Program Parallel Computers? Cleve B. Moler, The MathWorks, Inc. Multifractality: Physical Evidence and Mathematical Background Yakov Pesin, Pennsylvania State University ------------------------------ From: Jack Dongarra Date: Thu, 8 Feb 1996 16:38:39 -0500 Subject: BLAS Technical Forum We are organizing a workshop on February 19th and 20th, 1996 in Nashville to begin a forum for parallel and sparse BLAS. This will be a follow-up to the discussions that took place on November 13th and 14th when 52 people attended a Workshop on Parallel BLAS and Related Interfaces at the University of Tennessee, and the Birds Of a Feather session that took place at the San Diego Supercomputer 95 meeting in December. The existing BLAS have proven to be very effective in assisting portable, efficient software for sequential and some of the current class of high-performance computers. We would like to investigate the possibility of extending these standards to provide greater coverage of sparse matrices and provide additional facilities for parallel computing. The purposes of this meeting is to review the findings of the Workshop in November and the BOF at the Supercomputer 95 conference; and to begin a forum to develop calling sequences for a set of low-level computational kernels for the parallel and sequential settings, as well as standards for basic matrix data structures, both dense and sparse. For background information see: http://www.netlib.org/utk/papers/sblas-meeting.html. For additional information see: http://www.netlib.org/utk/papers/blast-forum.html. Workshop Format: We will start the meeting at 12:00 noon on Monday, February 19th and plan to finish around 4:00 pm on Tuesday, February 20th. If you are planning to attend please let me know (dongarra@cs.utk.edu) as I will be sending a follow-up message with further details. Future Plans: For future planning here is a tentative list of dates, roughly 6 weeks apart, for the forum. Potential dates for future meetings: BLAS Session on April 12 at the Copper Mountain meeting BLAST Forum Meeting May BLAST Forum Meeting August BLAS Session at the Second SIAM Conference on Sparse Matrices October 9-11, 1996, Coeur d'Alene, Idaho BLAS Session at the November 18-22 (Supercomputer 96 Meeting) ------------------------------ From: Jack Dongarra Date: Sun, 4 Feb 1996 11:01:50 -0500 Subject: Workshop on Programming Environment and Tools Announcing a Euro-Par'96 Workshop Programming Environment and Tools LIP, ENS Lyon, France. August 27-29, 1996. Program Committee: Jack Dongarra, University of Tennessee and Oak Ridge National Lab, USA Arndt Bode, Technischen Universitaet Muenchen, Germany Dennis Gannon, Indiana University, USA Bernard Tourancheau, LIP, ENS Lyon, France Deadline: February 4, 1996 (paper); February 18, 1996 (electronic) Euro-Par is an annual European conference in Parallel Processing. It merges the former PARLE and CONPAR-VAPP conferences, two major events of the field. The 1996 version will consist of a large panel of highly focused workshops on all aspects of parallel processing, from theory to practice, from academy to industry. They are expected to present the latest advances in their respective domains. They will be introduced by several high level tutorials of general interest. More than 20 workshops have been launched in parallel, ranging from 1/2 to 2 days. All accepted papers will appear in the proceedings published by Springer-Verlag in the LNCS Series. Workshop #01: Programming Environment and Tools This workshop aims to discuss issued related to programming environments and tools for parallel computers. This workshop addresses the basic libraries which are the foundation of efficient and secure parallel programs, visualization tools for performance debugging, understanding the behavior of the parallel program execution, methodologies for a more abstract approach of parallel programming design, and automatic parallelization tools. Topics of interest include: Programming environments Performance debugging Visualization tools Automatic parallelization tools Communications libraries Computations libraries Methodologies for parallel program development Further information is available at URL http://www.ens-lyon.fr/LIP/europar96. It includes the list of all workshops. Please send all information requests and comments to europar96@lip.ens-lyon.fr. Register today on the Euro-Par'96 mailing list by sending us a mail! See below for additional information. Valerie Roger, Euro-Par'96 Secretary LIP, ENS Lyon, 46, Allee d'Italie, F-69364 Lyon Cedex 07, France Phone: (~33)72728037; Fax: (~33)72728080; Internet: europar96@lip.ens-lyon.fr ------------------------------ From: Manuel J. Galan-Moreno Date: Sun, 4 Feb 1996 18:25:02 +0000 (GMT) Subject: NATO ASI on Large Scale Sparse Linear System Resolution NATO ASI: "Algorithms for Sparse Large Scale Linear Algebraic Systems: State of the Art and Applications in Science and Engineering" June 23th 1996 to July 6th 1996 Gran Canaria Island, Spain Course Director: Prof. G. Winter: University of Las Palmas de Gran Canaria, Spain (gabriel@hptitan.ulpgc.es) Confirmed Invited Lecturers: Prof. M. Arioli: Laboratory of Num. Anal., Pavia, Italy Prof. A. Bj=F6rk: University of Link=F6ping, Sweden Prof. C. G. Broyden: University of Bologna, Italy Prof. J. Demmel: University of California at Berkeley, USA Prof. D. J. Evans: Loughborough University of Technology, UK Prof. L. Ferragut: University of Salamanca, Spain Prof. M. Gal=E1n: University of Las Palmas de Gran Canaria, Spain Prof. A. George: University of Waterloo, Canada Prof. W. Kahan: University of California at Berkeley, USA Prof. V. Pan: Lehman College CUNY, USA Prof. J. Periaux: University of Paris VI, France. Prof. Y. Saad: University of Minnesota, USA Prof. E. Spedicato: University of Bergamo, Italy Prof. Z. Strakos: Computing Centre Academy, Prague, Czech Rep. Prof. H. van der Vorst: University of Utrecht, Netherlands Prof. G. Winter: University of Las Palmas de Gran Canaria, Spain CONTRIBUTED PAPERS, GRANTS, REGISTRATION FEES and further information: http://htptitan.ulpgc.es/natoasi.html natoasi@hptitan.ulpgc.es Prof. Dr. Manuel J. Galan Universidad de Las Palmas de Gran Canaria Campus de Tafira Baja 35017 Las Palmas de G.C. -Espa~na- E-mail: manolo@aries.dma.ulpgc.es http://hptitan.ulpgc.es/ ------------------------------ From: William Symes Date: Mon, 5 Feb 1996 08:24:24 -0600 (CST) Subject: Workshop on Multivalued Eikonal Solvers COMPUTATION OF MULTI-VALUED TRAVELTIMES (INRIA, FRANCE 16-18 Sept. 1996) ANNOUCEMENT and CALL FOR PAPERS Information also available on the WWW at the URLs : http://misstick.inria.fr/~benamou/traveltimes.html http://www.caam.rice.edu/benamou/traveltimes.html AD HOC ORGANIZING COMMITTEE Jean-David Benamou, INRIA, France (Jean-David.Benamou@inria.fr) William W. Symes, Rice University, USA (symes@caam.rice.edu) Fons Ten Kroode, Shell Research, Holland (tenkroodea@ksepl.nl) TOPICS Multivalued travel time and amplitude computation, and multivalued solutions of other Hamilton-Jacobi problems FD/FE solution of the Eikonal and Transport equations. Ray interpolation. High frequency asymptotics of wave equations with multiple arrivals Kirchhoff migration of reflection seismograms with multivalued traveltimes Also every topic theoretically and numerically related to these, and applications of such methods in exploration seismology and other technologies. A TEST PROBLEM A test problem, namely the computation on a regular grid of the multi-valued travel time and amplitude in a smoothed 2-D Marmousi velocity model, is proposed as a common testbed to enable comparison of participants' results. Information on and downloads of the model problem are available through the web sites listed above. The resolution of the test problem is not a prerequisite to participate to the workshop. WHERE AND WHEN The workshop will be held at INRIA Rocquencourt, a research institute located near PARIS (FRANCE) (not far from Versailles). The dates are : 09/16-09/18 1996. REGISTRATION For registration forms in postscript and other information about the conference, contact the web sites listed at the beginning of this announcement. ------------------------------ From: Zdzislaw Jackiewicz Date: Wed, 7 Feb 1996 17:38:33 -0700 Subject: Numerical Solution of Volterra and Delay Equatiuons Call For Papers VOLTERRA CENTENNIAL The Second International Conference on The Numerical Solution of Volterra and Delay Equatiuons to be held May 27 - 30, 1996, at Arizona State University Organized by Alan Feldstein and Zdzislaw Jackiewicz Department of Mathematics and Center for Systems Science and Engineering Arizona State University Tempe, Arizona 85287-1804 Phones: A. Feldstein Z. Jackiewicz (602) 965-3779(office) (602) 965-0082 (602) 966-4600(home) FAX: (602) 965-8119 E-Mail: jackiewi@math.la.asu.edu URL: http://math.la.asu.edu/whatsnew/volterra/index2.html Invited Speakers C. T. H. Baker (Manchester) A. Iserles (Cambridge) A. Bellen (Trieste) Ch. Lubich (Tubingen) H. Brunner (Newfoundland) L. R. Petzold (Minneapolis) J. C. Butcher (Auckland) M. N. Spijker (Leiden) P. E. Crouch (Tempe) S. Thompson (Radford) W. H. Enright (Toronto) P. J. van der Houwen (Amsterdam) F. Hoppensteadt (Tempe) M. Zennaro (Trieste) The Conference will commemorate the one-hundredth anniversary of the publication by Vito Volterra of his seminal papers on integral equations and will be devoted to the computational and applied aspects of Volterra and delay equations. These include functional differential equations (delay, advanced and neutral), Volterra integral equations, and Volterra integro-differential equations. These will be both invited lectures and contributed talks at the meeting. In addition, there will be ample time for mini symposia and informal discussions. The Conference will emphasize the following topics: * Convergence and order properties of numerical methods * Stability analysis and construction of highly stable methods * Implementation problems: software development and testing * Applications of Volterra and delay equations This Conference will be preceded by the Volterra Centennial Symposium (devoted mainly to the qualitative aspects of Volterra equations), May 23 - 25, 1996, at the University of Texas at Arlington. The Conference is supported by the National Science Foundation and by Arizona State University (Department of Mathematics, College of Liberal Arts and Science, College of Engineering. Office of the Vice-President for Research, and Center for Systems Science and Engineering) and sponsored by IMACS. Funds are available to assist some junior researchers who have limited or no travel support. To apply for such assistance please contact the conference organizers by March 1, 1996. Interested persons are requested to announce their intention to participate and/or present contributed papers and/or organize a mini-symposia by contacting the organizers at the above address or by e-mail. The deadline for receiving titles and abstracts and Mini-Symposia proposals is April 1, 1996. The registration fee for the meeting is $50. Further information will be sent to registrants at a later date. ------------------------------ From: Plamen Yalamov Date: Fri, 9 Feb 1996 18:47:18 +0200 (WET) 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), T. Chan (USA), A. Donchev (USA), E. Dyakonov (Russia), I. Gladwell (USA), S. K. Godunov (Russia), A. Griewank (Germany), S. Hammarling (UK), B. Jovanovich (Yugoslavia), A. Karageorghis (Cyprus), Yu. A. Kuznetsov (Russia), R. Maerz (Germany), W. T. Pickering (UK), R. Plemmons (USA), I. V. Puzynin (Russia), 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). We would like to invite all interested individuals to CONTRIBUTE PAPERS related to one or more of the conference tracks. Please send an extended abstract (approximately one page) and a paper (up to 8 pages, 2 hard copies and 1 ASCII copy written in plain LaTeX) 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@ami.ru.acad.bg paprzycki_m@utpb.edu (or yalamov@iscbg.acad.bg) Important Dates: 1. Abstract Submission February 29th, 1996 2. Acceptance Decision March 31st, 1996 3. Paper Due April 30th, 1996 4. Proceedings Publication December 31st, 1996 ------------------------------ From: Lothar Reichel Date: Fri, 9 Feb 96 17:41:43 EST Subject: Position at Kent State University Kent State University Chairperson - Department of Mathematics and Computer Science Kent State University invites applications and nominations for the position of Chairperson of the Department of Mathematics and Computer Science. Kent is a spacious, residential campus serving more than 22,000 students, situated in a small university town within 30 miles of the Cleveland metropolitan area. The Department of Mathematics and Computer Science is situated in the College of Arts and Sciences and houses programs through doctoral level in Applied Mathematics, Computer Science, Pure Mathematics, and Statistics. It currently consists of 23 faculty in the Mathematical Sciences and 11 in Computer Science at the Kent campus and 20 faculty in the Mathematical Sciences at the regional campuses. The department recently moved to a new building and has an extensive network connecting SIMD and MIMD parallel processors, servers and over 140 workstations, and X-terminals for faculty and student use. Applicants for the position must have an earned doctorate, an international research reputation as evidenced by publications, a successful history of grant activity, and other academic and scholarly achievements. In view of the composition of the department, applicants should have a strong research reputation among both computer scientists and mathematical scientists. They must have the ability and vision to guide the department into the 21st century by developing and maintaining, in both disciplines, a strong program of scholarship, publications and grantsmanship, an effective advising system, and a strong teaching program. In addition, applicants should have the ability to work well within the university community and to foster interdisciplinary research and cooperation with industry. The successful applicant will be encouraged and supported in maintaining an active research program. The salary will be competitive. Screening of applicants will begin February 1, 1996, for a start date of July 1, 1996, and will continue until the position is filled. Please submit a full resume, including a list of publications, a statement of interest regarding the post, and the names, addresses, telephone numbers and e-mail addresses of at least five references, or a letter of nomination to Chairperson Search Committee, Department of Mathematics and Computer Science, Kent State University, Kent, Ohio 44242, USA, FAX (216)-672-7824. Further information about the Department is available on the World Wide Web at URL http://www.mcs.kent.edu/ . Questions and enquiries can be sent by e-mail to: chair-search@mcs.kent.edu. Kent State University is an Affirmative Action/Equal Opportunity Employer. ------------------------------ From: Vladik Kreinovich Date: Mon, 5 Feb 96 21:08:32 MST Subject: Position at University of Texas at El Paso The University of Texas at El Paso seeks a tenure-track Assistant or Associate Professor of Computer Science. The successful can- didate must demonstrate a strong commitment to undergraduate edu- cation and research experiences. Additionally, the successful candidate is expected to develop a successful research program in a technical area of Computer Science. Although applications are welcome from anyone who holds a Ph.D. in Computer Science, Com- puter Engineering, or Computer Systems Engineering, the depart- ment has particular interest in candidates who specialize in sys- tems or concurrency. UTEP's Computer Science Department is part of the College of En- gineering. It currently consists of seven full time and two part-time faculty members and offers M.S. and B.S. degrees in computer science. Computer Science and Electrical Engineering jointly offer a Ph.D. in computer engineering. Despite its small size, the department maintains significant research programs in Artificial Intelligence and Logic Programming, Cryptography and Theory of Randomness, Interval Computation, and Software En- gineering. More information about the city, the university and the department can be found in the WWW pages (http://www.utep.edu). The University of Texas at El Paso has recently been selected as a Model Institution for Excellence (MIE) by the National Science Foundation. The university's MIE focus is on undergraduate edu- cation and undergraduate involvement in meaningful research ex- periences. Substantial funding is available for the development of new courses and the redesign of appropriate existing courses. Course development is to place emphasis on student participation. The successful applicant is expected to participate in the University's MIE initiative and play an active role in the University's commitment to providing the environment to encourage and enable student success. Due to the MIE involvement, it is expected that the faculty member will successfully employ innova- tive teaching methods and involve students in substantive research activities. Applicants should submit a detailed resume and the names of at least four references to Daniel Cooke, CS Dept., University of Texas at El Paso, El Paso Tx. 79968. (e-mail: dcooke@cs.utep.edu). The University of Texas at El Paso does not discriminate on the basis of race, color, national origin, sex, religion, age, or disbility in employment or the provision of services. ------------------------------ From: Gal Berkooz Date: Wed, 7 Feb 96 09:56:31 EST Subject: Position at BEAM Technologies, Ithaca, NY Employment Opportunity Title: Computational Software Development Specialist. Start Date: Immediately, 3/1. Location: Ithaca, NY. Responsibilities: Develop partial differential equation simulation applications using an innovative software tool developed by BEAM; support users who are using the software tool and are developing applications with it (both inside and outside of BEAM); Participate in scientific research projects involving the development of new PDE based algorithms and applications; Participate in the development of the software substrate itself. Qualifications and Experience: % Ph.D. in applied math. or engineering with at least two years of experience. % Solid background in finite differenes/finite elements as witnessed by writing at least one complex nonlinear PDE simulation code. % Excellent numerical analysis skills. % Excellent computer and software development skills. % At least two years of experience developing numerical software in C++. % Proven ability to work in a team. % Excellent people, communication, and instructional skills. % Motivation and desire to help users. Salary and Benefits: % Competitive salary up to $60K commensurate with experience and qualifications. % Full benefits including 401K plan, health, vacation, etc. % Stock option plan. Send resume to: President c/o PDE search BEAM Technologies, Inc. 110 N. Cayuga St. Ithaca, NY 14850 ------------------------------ From: Brynjulf Owren Date: Thu, 8 Feb 1996 12:58:20 +0100 Subject: Positions at Norwegian University of Science and Technology Computational Science and Engineering Two vacant positions at the Norwegian University of Science and Technology (NTNU) PROFESSORSHIP IN MATHEMATICAL SCIENCES (NUMERICAL MATHEMATICS/SUPERCOMPUTING) The professorship is administratively linked to the Department of Mathematical Sciences, Faculty of Physics and Mathematics at the Norwegian University of Science and Technology. The department currectly holds 12 chairs for full professors, 4 chairs for adjunct professors, 14 chairs for associate professors and 20 dr.ing.students. The department wishes to establish a group that can offer user-friendly services. A main objective is to identify, develop and disseminate mathematical theory which is relevant to technology and other applications. The department consists of groups in mathematics, numerical mathematics and statistics. The successful applicant will be assigned duties within numerical mathematics. The research activity in the numerical mathematics group currently comprises ordinary differential equations, dynamic iteration for partial differential equations, linear algebra, orthogonal polynomials, delay differential equations, quadrature and extrapolation methods. Activities also include efficient use of supercomputers. The area of the professorship includes numerical mathematics with emphasis on developing algorithms for vector/parallel processing. In addition to this professorship, a further professorship is announced at the Department of Computer Systems and Telematics. The two successful applicants will have joint responsibility for building up teaching and research in the field of Computational Science and Engineering at the Norwegian University of Science and Technology. Further information about the position may be obtained by contacting Professor Syvert P. N ------------------------------ From: Robert Dalang Date: Thu, 8 Feb 1996 14:51:54 +0100 Subject: Position at the Swiss Federal Institute of Technology The SWISS FEDERAL INSTITUTE OF TECHNOLOGY - LAUSANNE (EPFL) invites applications for the position of: Professor of Applied Analysis in the Department of Mathematics. The teaching duties will include introductory and advanced courses for students of engineering as well as students of mathematics. A desire to teach at all university levels is a requirement. The successful candidate is expected to carry out excellent interdisciplinary research in one or several areas of applied analysis. Preference will be given to candidates capable of developing research activities that involve interactions with one or more of the engineering groups at EPFL such as mechanical engineering, telecommunications or computer science. Applicants should have demonstrated their ability to carry out and to direct high level research projects. Applications from women are particularly welcome. Deadline for applications: May 31, 1996 Preferred start date: as mutually convenient Rank and salary: commensurate with experience and qualifications An application form can be obtained by writing to: Pr=E9sidence de l'Ecole polytechnique f=E9derale de Lausanne, CE-Ecublens, 1015 Lausanne, Switzerland. Email: Nathalie.Boder@pres.adm.epfl.ch ------------------------------ From: David Keyes Date: Fri, 9 Feb 1996 16:26:10 -0500 Subject: Graduate Fellowships at Old Dominion University Old Dominion University invites applications for several fellowships for graduate study in applied/experimental computer science, with an HPCC emphasis: * GAANN fellowships (U.S. Department of Education) * VILaP-HPCC fellowships (NASA) * regular departmental fellowships Successful applicants for the VILaP-HPCC and GAANN programs will fulfill degree requirements at ODU while simultaneously being mentored in their thesis research by a scientist at the nearby NASA Langley Research Center and/or its Institute for Computer Applications in Science and Engineering (ICASE). U.S. citizens with strong academic records and BS or MS degrees in CS, math, or engineering, particularly from groups underrepresented in CS, are encouraged to apply. Highly qualified applicants from outside these groups will also be considered until available positions are filled. Three GAANN fellowship packages can be awarded for Fall 1996. Awarding of VILaP-HPCC fellowships is subject to external review. Applicants will be considered for all applicable fellowships by completing the forms downloadable under http://www.cs.odu.edu/GAANN/. For further information, contact GAANN@cs.odu.edu, browse the web area above, or inquire at: CS Dept., ODU, Norfolk, VA 23529-0162. ------------------------------ From: Yves Bourgault Date: Sat, 10 Feb 96 14:44:28 -0500 Subject: Postdoctoral Positions at Concordia University, Montreal POST-DOCTORAL FELLOWSHIPS IN MONTREAL CONCORDIA UNIVERSITY COMPUTATIONAL FLUID DYNAMICS LABORATORY There are two different postdoctoral fellowship programs: The Computational Fluid Dynamics Laboratory of Concordia University (Montreal, Quebec, Canada) is willing to support applications to a Post-Doctoral Fellowships Program, subject to the following eligibility criteria: be citizen of the U.S., Belgium, Italy or Germany; not currently in internship in Quebec; has obtained a doctorate within the last 5 years , or will be obtained before December 31st, 1996; has a good command of French and/or English. Fellowships are awarded for a period of six to twelve consecutive months and cover the following allowances and benefits: Stipend: An allowance of $2,000 CAD per month; this will be supplemented by the CFD Lab for suitable candidates. The fellowship is subject to Quebec and Canadian legislation on income tax. Transportation: Return airfare for the fellowship recipient only, in economy class by the most direct route+transportation between a Quebec international airport and the institution; Health Insurance: During their stay in Quebec, fellowship recipients and, if necessary, their dependents (spouse, children) are covered by the Quebec health insurance plan. The Computational Fluid Dynamics Laboratory is also ready to support the application of two Canadian postgraduate students to the NSERC Industrial Post Graduate Fellowship Program. These students must satisfy the following criteria: - be a Canadian citizen; - have a minimum GPA of 3.70, and, - if applying for a Master's program, the student must NOT have been enrolled in a Master's program for more than four months at the time of application, or if applying for the Ph.D. program, the student must NOT have been enrolled in graduate studies for more than a total of 28 months at the time of application (including Master's studies). An industry interested in a student will provide support in the amount of $5,000, with NSERC paying $12,500. The thesis subject is to be chosen in an area that interests the CFD Lab and its industrial partners. The CFD Lab is recognized internationally and specializes in Computational Fluid Dynamics by "Finite Element Methods" for external and internal high-speed flows. The research is in physical modeling, turbulence, numerical algorithms, iterative linear equation solvers, large-scale solution acceleration and optimization methods such as parallelism, algebraic multigrid, problem decomposition and dynamic grid adaptation. Applications include steady and unsteady high-speed flows over aircraft, flows in gas turbine engines and multi-disciplinary applications such as aero-elasticity, aero-acoustics and in-flight icing on airplanes and engines. For the latter, the CFD Lab is the coordinator of an In-Flight Icing Research Consortium that involves the major interested industrial parties in Canada. Interested candidates should send a transcript, a curriculum vitae, a short description of research interests and technical expertise, identifying its relation to the CFD Lab research areas, and the name and address of two referees (including thesis advisor), preferably by e-mail or Fax, to: Professor W.G. Habashi Director, CFD Lab Concordia University 1455 de Maisonneuve Blvd. West, ER 301 Montreal, Quebec, Canada H3G 1M8 Fax: +1-(514) 848-8601 e-mail: habashi@cfdlab.concordia.ca Please note that Professor Habashi will be visiting Italy and Belgium between March 24 and 29, 1996 and could interview suitable candidates if their dossier is completed on time. ------------------------------ From: SIAM Date: Wed, 07 Feb 96 10:51:00 EST Subject: Contents, SIAM J. on Scientific Computing SIAM Journal on Scientific Computing MARCH 1996, Volume 17, Number 2 CONTENTS Moving Mesh Methods for Problems with Blow-Up Chris J. Budd, Weizhang Huang, and Robert D. Russell High-Accuracy Finite-Difference Schemes for Linear Wave Propagation David W. Zingg, Harvard Lomax, and Henry Jurgens A Nonlinear, Subgridscale Model for Incompressible Viscous Flow Problems William J. Layton A Numerical Method for the Incompressible Navier-Stokes Equations Based on an Approximate Projection Ann S. Almgren, John B. Bell, and William G. Szymczak Resurrecting Core Spreading Vortex Methods: A New Scheme That is Both Deterministic and Convergent Louis F. Rossi Fast Fourier Transform Accelerated Fast Multipole Algorithm William D. Elliott and John A. Board, Jr. Computation of Pseudo-Differential Operators Gang Bao and William W. Symes Boundary Layer Resolving Pseudospectral Methods for Singular Perturbation Problems Tao Tang and Manfred R. Trummer Towards Automatic Multigrid Algorithms for SPD, Nonsymmetric and Indefinite Problems Yair Shapira, Moshe Israeli, and Avram Sidi Alternating-Direction Line-Relaxation Methods on Multicomputers Jorn Hofhaus and Eric F. Van de Velde Runge-Kutta Software with Defect Control for Boundary Value ODEs W. H. Enright and P. H. Muir The Differentiation Matrix for Daubechies-Based Wavelets on an Interval Leland Jameson A Data Smoothing Technique for Piecewise Convex/Concave Curves W. Li, D. Naik, and J. Swetits An Analysis of Approximate Nonlinear Elimination Paul J. Lanzkron, Donald J. Rose, and James T. Wilkes ------------------------------ End of NA Digest ************************** -------