Subject: NA Digest, V. 94, # 39 NA Digest Sunday, September 25, 1994 Volume 94 : Issue 39 Today's Editor: Cleve Moler The MathWorks, Inc. moler@mathworks.com Today's Topics: Looking for Two Old Papers Manchester 1995 IMA Linear Algebra Conference Conference on Scattered Data Fitting Stieltjes Centennial Colloquium Applications of Interval Computations Workshop IMACS Symposium in Bulgaria Proceedings from Benin conferences in Nigeria Position at AT&T Bell Laboratories Position at Maui High Performance Computing Center Position at Paul-Sabatier University, Toulouse Position at United Technolgies Research Contents, Journal of Approximation Theory Contents, BIT Contents, Linear Algebra and its Applications Contents, Interval Computations Contents, SIAM Numerical Analysis Submissions for NA Digest: Mail to na.digest@na-net.ornl.gov. Information about NA-NET: Mail to na.help@na-net.ornl.gov. ------------------------------------------------------- From: Stephen Nash Date: Mon, 19 Sep 94 13:58:46 EDT Subject: Looking for Two Old Papers I am looking for two papers connected with the history of barrier methods for nonlinear optimization problems. The papers are: K.R. Frisch, "Principles of linear programming - with particular reference to the double gradient form of the logarithmic potential method," Memo., Univ. Inst. of Economics, Oslo, 18 October, 1954. K.R. Frisch, "The logarithmic poitential method of convex programming," Memo., Univ. Inst. of Economics, Oslo, 13 May, 1955. I would be most grateful if anyone could send me copies of these, or tell me where I might obtain them. Stephen Nash Operations Research Dept. George Mason University Fairfax, VA 22030, USA snash@gmu.edu ------------------------------ From: Nick Higham Date: Mon, 19 Sep 94 09:36:53 BST Subject: Manchester 1995 IMA Linear Algebra Conference THE INSTITUTE OF MATHEMATICS & ITS APPLICATIONS In conjunction with the Manchester Centre for Computational Mathematics Linear Algebra and Its Applications Monday 10th to Wednesday 12th July, 1995 University of Manchester SECOND CALL FOR PAPERS The conference aims to cover the latest developments in numerical linear algebra, matrix theory and applications of linear algebra. It immediately follows ICIAM 95 in Hamburg. The conference will consist of two and a half days of invited and contributed talks and posters, with an excursion on the Tuesday afternoon and a conference dinner on Tuesday evening. This notice is a call for papers (a longer, LaTeX version is available by anonymous ftp from the location described below). An application form to attend the conference will be available early in 1995. ORGANIZING COMMITTEE N. J. Higham (Chairman, University of Manchester), I. S. Duff (Rutherford Appleton Laboratory and CERFACS), R. Fletcher (University of Dundee), T. L. Freeman (University of Manchester), S. J. Hammarling (NAG Ltd., Oxford), N. K. Nichols (University of Reading). INVITED SPEAKERS AND PROVISIONAL TITLES INCLUDE 40 MINUTE TALKS: R. Brualdi (Madison), ``Spectral radius of matrices of zeros and ones''; J. W. Demmel (Berkeley), ``Recent progress in serial and parallel algorithms for the algebraic eigenvalue problem and singular value decomposition''; G. H. Golub (Stanford); P. C. Hansen (UNI.C, Denmark), ``Regularization of large-scale discrete ill-posed problems''; R. A. Horn (Utah), ``Hadamard products, unitarily invariant norms, and perturbation bounds for the polar decomposition''; G. Strang (MIT), ``Teaching of linear algebra''; H. van der Vorst (Utrecht), ``A generalized Jacobi-Davidson iteration method for linear eigenvalue problems''; P. Van Dooren (CESAME, Louvain la Neuve), ``The Schur algorithm for Toeplitz matrices''; A. J. Wathen (Bristol), ``Iterative solution of large, sparse linear systems arising in PDEs''; M. H. Wright (AT&T Bell Labs), ``Something old, something new, something borrowed: Connections between linear algebra and optimization''. 30 MINUTE TALKS: Z. Bai (Kentucky), ``Adaptive block Lanczos algorithm for large scale non-Hermitian eigenvalue problem''; A. Edelman (MIT), ``From dense numerical linear algebra to materials science to Riemannian geometry''; N. I. M. Gould (Rutherford Appleton Lab.), ``Linear algebra in optimization''; D. J. Higham (Dundee); N. Mackey (Western Michigan University, Kalamazoo), ``Convergence of Jacobi-like methods for the symmetric eigenproblem''; R. Mathias (College of William & Mary), ``Accurate eigenvalue computations''; H. Park (Minnesota), ``Accurate triangularization of Toeplitz matrices''; D. Ruiz (CERFACS),, ``Preconditioners for the block conjugate gradient algorithm''; B. Smith (UCLA); G. Starke (Karlsruhe), ``Multilevel minimal residual methods''. CALL FOR PAPERS AND POSTERS: In addition to the invited talks, there will be poster sessions and 20 minute contributed talks. The deadline for receipt of abstracts is 31 December 1994. Contributed speakers are required to register for the conference and therefore must pay the conference fee, and, if required, the residential fee. There are two ways to submit an abstract: (1) Obtain a reply form from the IMA at the address shown below, and return it, with the abstract, to the IMA. (2) Submit an abstract by email. You need to send by email to laa95@ma.man.ac.uk (a) a completed ASCII version of the reply form, (b) an abstract prepared in LaTeX using the style file ima-abst.sty. You will need to download by anonymous ftp from vtx.ma.man.ac.uk or cholesky.ma.man.ac.uk (IP numbers 130.88.16.2, 130.88.16.9) the files pub/laa95/reply.txt (Electronic reply form) pub/laa95/ima-abst.sty (LaTeX style file for abstract) pub/laa95/ima-abst.tex (Example abstract showing required format) pub/laa95/manchester.tex (General information on Manchester) Address for correspondence: Miss Pamela Irving, The Conference Officer The Institute of Mathematics and Its Applications Catherine Richards House 16 Nelson Street Southend-on-Sea Essex, SS1 1EF UK tel: 0702 354020, fax: 0702 354111, email: imacrh@v-e.anglia.ac.uk ------------------------------ From: Larry Schumaker Date: Tue, 20 Sep 94 14:23:58 -0500 Subject: Conference on Scattered Data Fitting International Conference on Scattered Data Fitting Cancun, Mexico, Thursday, March 2- Wednesday, March 8, 1995 Program: The meeting will focus on various aspects of scattered data fitting, primarily in two variables. This includes interpolation and approximation methods using splines, radial basis functions, etc., as well as various applications in geology, geophysics, hydrology, image processing, meteorology, terrain modelling, and visualization. In addition to invited lectures, a limited number of contributed talks will be scheduled. Invited Speakers: P. Alfeld, Salt Lake City M. Bozzini, Milan M. Buhmann, Zurich P. Costantini, Catania M. Daehlen, Oslo N. Dyn, Tel Aviv T. Foley, Tempe K. Jetter, Duisburg R. Franke, Monterey A. Le Mehaute, Brest W. Light, Leicester G. Nielson, Tempe C. Rabut, Toulouse K. Salkauskas, Calgary R. Schaback, Gottingen L. Schumaker, Nashville G. Tavares, Rio de Janeiro L. Traversoni, Mexico City F. Utreras, Santiago J. Ward, College Station Place: Sheraton Hotel, Cancun. The conference will start at 9:00 AM on Thursday, and will end with lunch on Wednesday. We expect to organize a half day program on Saturday, and an excursion on Sunday. Ample time will be left for discussions and to enjoy Yucatan. To Attend: 1. If you plan to attend this meeting, please send an email, fax, or letter to L. Schumaker as soon as possible. Further information will be sent to you later this fall, including how to get a hotel room, and how to pay the conference fees (Students = $50, Educators = $100, Others = $300). 2. If you are interested in giving a contributed talk, send a single page abstract to L. Schumaker as soon as possible. We prefer to get the abstract electronically as a TeX file. We want to avoid multiple sessions and an overfull program, so only talks which closely fit the theme of the meeting will be scheduled. Abstracts will be reviewed, and authors of papers selected for the program will be notified in early January. The organizing committee: A. Le Mehaute, Departement ITI, ENST- Bretagne BP 832, 29285 Brest, FRANCE. Tel: (33) 98 00 10 78, Fax: (33) 98 00 10 98, email: Alain.LeMehaute@enst-bretagne.fr L. L. Schumaker, Dept. of Mathematics, Vanderbilt University, Nashville, TN, 37240. Tel: 615-322-6652, Fax: 615-343-0215, email: s@mars.cas.vanderbilt.edu. L. Traversoni, Univ. Autonoma Met. (Iztapalapa), Ciencias Basicas e Ingenieria, Ap Post 55-532, C.P. 09340 Mexico D.F., Mexico, Tel: (52) 5 7244646, fax: (52) 5 7244900, email: ltd@xanum.uam.mx ------------------------------ From: Jean-Baptiste Hiriart-Urruty Date: Wed, 21 Sep 1994 15:16:21 +0200 (MET) Subject: Stieltjes Centennial Colloquium The STELTJES conference to be held in TOULOUSE from 20 to 22 March 1995 is one of the main events organized during the academic year 1994-1995 to commemorate the 100th anniversary of the death of TH.-J.Stieltjes (on December 31,1894, in Toulouse). The topics covered by this conference are those of the developments after Stieltjes'mathematics, more specifically : continuous fractions and orthogonal polynomials ; measures on the real line, moment problems ; Laplace, Fourier, Stieltjes'transforms ; approximation, quadratures. Six plenary talks will be delivered : C.BERG : Moment problems and polynomial density J.DHOMBRES and J.-B.PECOT : Les relations d'orthogonalite depuis 1750 J.-P.KAHANE : La multiplication des series de Dirichlet, depuis Stieltjes T.W.KORNER : Via measures to universal Fourier series. J.KOREVAAR : Electrostatic fields due to distribution of electrons H.STAHL : Pade approximants to algebraic functions. The other communications will be those selected by the scientific committee among those received following the call for communications made with posters. The deadline for proposals is November 1, 1994. ------------------------------ From: R. Baker Kearfott Date: Wed, 21 Sep 1994 15:13:43 -0500 Subject: Applications of Interval Computations Workshop Additional information on APIC'95, the International Workshop on Applications of Interval Computations El Paso, TX, February 23-25, 1995, has been posted to the anonymous ftp site interval.usl.edu in the directory pub/interval_math/Feb._1995_El-Paso_conference The information includes the following files: preliminary_list_of_papers_by_session preliminary_list_of_participants addresses_of_participants registration_and_other_costs Please contact me or Vladik Kreinovich if you have any problems or questions. R. Baker Kearfott, rbk@usl.edu (318) 482-5346 (fax) (318) 482-5270 (work) (318) 981-9744 (home) ------------------------------ From: Svetozar Margenov Date: Fri, 23 Sep 94 15:10:05 BG Subject: IMACS Symposium in Bulgaria First Call for Papers SECOND IMACS INTERNATIONAL SYMPOSIUM ON ITERATIVE METHODS IN LINEAR ALGEBRA June 17-20, 1995, Blagoevgrad, Bulgaria Organized by: The International Association for Mathematics and Computers in Simulation and The Center of Informatics and Computer Technology at Bulgarian Academy of Sciences (BAS) International Program Committee: Owe Axelsson, KUN, Nijmegen, The Netherlands Randolph E. Bank, UCSD, La Jolla, USA Robert Beauwens, ULB, Brussels, Belgium Tony F. Chan, UCLA, Los Angeles, USA Francoise Chatelin, IBM, University of Paris, France Ivan T. Dimov, CICT at BAS, Sofia, Bulgaria Stefka Dimova, University of Sofia, Sofia, Bulgaria Jack Dongarra, University of Tennessee, Knoxville, USA Richard E. Ewing, College of Science, TA&MU, College Station, USA Roland Freund, AT & T Bell Laboratories. Murray Hill, USA Krassimir Georgiev, CICT at BAS, Sofia, Bulgaria Apostolos Hadjidimos, Purdue University, USA Sven Hammarling, NAG, Oxford, UK Piet Hemker, CWI, Amsterdam, The Netherlands Oleg Iliev, Institute of Mathematics at BAS, Sofia, Bulgaria Michail Kaschiev, Institute of Mathematics at BAS, Sofia, Bulgaria David Kincaid, CNA, University of Texas at Austin, USA Yousef Saad, University of Minnesota, Minneapolis, USA Bernard Philippe, Irisa, Rennes, France Henk van der Vorst, RUU, Utrecht, Netherland Junping Wang, University of Wyoming, Laramie, USA Ragnar Winther, University of Oslo, Norway David H. Wood, University of Delaware, USA Local Organizing Committee Svetozar Margenov and Panayot Vassilevski, CICT at BAS, Sofia, Bulgaria Scope The purpose of the Symposium is to provide a forum for the presentation and the discussion of the recent advances in the analysis and implementation of iterative methods for solving large linear systems of equations and for determining eigenvalues, eigenvectors or singular values of large matrices. Topics Matrix analysis Convergence acceleration, preconditioning techniques, methods for nonsymmetric, indefinite, singular and overdetermined systems, sparse eigenproblems. Applications to: partial differential equations (multigrid methods, domain decomposition methods, spectral methods), systems theory, least squares problems, parallel matrix computation Software development: Sparse linear systems, sparse eigenproblems, application oriented software; on sequential machines; on parallel machines. CALENDAR (for submission and selection of papers) Deadline for submission of abstracts (one page stating clearly the originality and importance of the results): October 1994 Notification of acceptance of the papers on the basis of the submitted abstract mailed by: January 1995 Deadline for submission of full papers (cf. below for presentation): March 1995 Notification of acceptance of full papers mailed by: April 1995 OTHER ASPECTS Presentation of full papers All papers should be composed in LaTeX format and submitted either by electronic mail or on floppy disk (MS-DOS readable). The submission should be accompanied by two printouts sent by ordinary mail. It is planned to publish the proceedings in book form by an international publishing company selected by IMACS. Authors of accepted papers may be requested to provide improved manuscripts for the proceedings. (N.B. Authors who are unable to produce a paper in LaTeX format are requested to contact the organizers as soon as possible.) General Information The symposium will be held from June 17 till June 20, 1995 The symposium will take place at Blagoevgrad. The symposium language will be English. The registration fee will be equivalent to US $ 300. (TO BE SPECIFIED LATER ON IN MORE DETAIL WHAT THIS FEE WILL COVER) Special Sessions: "The influence of high non--normality on the reliability of iterative methods in Computational Linear Algebra", organized by Prof. Francoise Chatin-Chatelin, University of Paris and Dr. Valerie Fraysse, CERFACS, Toulouse "Krylov--subspace methods for nonsymmetric and indefinite linear systems", by Roland Freund, AT & T Bell Lab., Murray Hill, USA "Iterative Monte Carlo methods", by Ivan T. Dimov, CICT at BAS, Sofia "Robust Preconditioners" or "Industrial Problems" by Yousef Saad, University of Minnesota, Minneapolys, USA "Parallel Algorithms for Krylov Spaces" by Bernard Philippe, IRISA, Rennes, France Conference address: Panayot S. Vassilevski Second IMACS International Symposium on Iterative Methods in Linear Algebra Center of Informatics and Computer Technology Bulgarian Academy of Sciences "Acad. G. Bontchev"` street, block 25A 1113 Sofia, Bulgaria E-mail : imacs95@bgearn.bitnet or panayot@bgearn.bitnet ------------------------------ From: John Pryce Date: Fri, 23 Sep 94 17:31 BST Subject: Proceedings from Benin conferences in Nigeria I have recently returned from Nigeria where in spite of the tricky political situation Prof Simeon Fatunla is managing to continue both research and publication activities. I brought back a stock of copies of two volumes edited by him SCIENTIFIC COMPUTING - Proceedings of the 5th International Conference held at University of Benin January 1992. Ada+Jane Press Nigeria Ltd, Benin City, Nigeria 1994. 225 pp. ISBN 978-32323-1-2 COMPUTATIONAL ORDINARY DIFFERENTIAL EQUATIONS - combined Proceedings of the 3rd and 4th International Conferences held at University of Benin January 1988 and February 1990. University Press plc, Ibadan, Nigeria 1992. 306pp. ISBN 978-249321-X I am undertaking to sell them on his behalf. Proceeds will give valuable hard currency to put towards running the next conference in 1996. I hope many na-netters will either order a personal copy or check with their departmental or central library and if it does not have copies, persuade it to buy them. Price 18 pounds sterling for the first and 24 pounds for the second. Includes p&p for mail within Europe, please add 2 pounds for mail outside Europe. Orders by e-mail to me at na.pryce (pryce@rmcs.cranfield.ac.uk) or by post to Dr J D Pryce, Software Engineering Group, RMCS, Shrivenham, Swindon SN6 8LA, UK. Payment by sterling cheque please. This is what you get, a mixture of mostly survey-oriented papers from visiting speakers, and papers from local speakers that show the progress of Nigerian research in scientific computation. SCIENTIFIC COMPUTING contents - R. Akin-Ojo, Univ. Ibadan, Nigeria Degree of Chaoticity - K. Dekker, Delft, Netherlands Preconditioned conjugate gradient techniques for solution of time-dependent DEs - Kossi Edoh & Robert D Russell, Simon Fraser Univ., Canada Numerical approximation of invariant circles - S O Fatunla, Univ Benin, Nigeria Recent developments in numerical treatment of singular/discontinuous IVPs - S O Fatunla High-order parallel methods for second order ODEs - S O Fatunla, Univ Benin, Nigeria & U Aashikpelokhai, Edo State Univ, Nigeria A 5th order L-stable numerical integrator - J de Frutos & J M Sanz-Serna, Univ Valladolid, Spain h-dependent stability thresholds avoid the need for a-priori bounds in nonlinear convergence proofs -T. Kapitaniak, Univ Lodz, Poland Review of strange nonchaotic attractors - Bahman Mehri, Sharif Univ Technology, Tehran, Iran On existence of periodic solutions for certain nonlinear second order autonomous ODEs - M Nakashima, Kagoshima Univ, Japan Variable coefficient A-stable explicit RK methods - S Ogbomawan, Univ Benin & H Wynn, City Univ, London, UK Simulation codes and likelihood generation - F Otunta, Univ Benin, Nigeria An extended conjugate gradient algorithm for discrete optimal control problems - J Pryce, RMCS Shrivenham, UK ODE eigenvalue computations: a survey of recent developments - L Uko, Univ Ibadan, Nigeria On the convergence of the generalized Newton's method and Strongly nonlinera quasivariational inequalities: existence and approximation of solutions - J Verner, Queens Univ Kingston, Canada A classification scheme for studying explicit RK pairs COMPUTATIONAL ODES contents - S Adams & U Ascher, Univ B.C., Canada Using multigrid for semi-conductor device simulation in 1-D - G Corliss, Marquette Univ, USA & Y Chang, LaJolla Institute, USA G-stop facility for ATOMFT, a Taylor-series large ODE solver - J Ezeilo, Univ Nigeria, Nsukka. Nigeria L2-convergent iterative scheme for periodic solution of certain 3rd-order DEs - S O Fatunla, Univ Benin Parallel methods for 2nd order ODEs - Ben Yu Guo, Shaghai Univ, China Spectral-difference method for solving vorticity equation - G Hall, Univ Manchester, UK A modified stepsize strategy for algorithms based on explicit RK methods - R Jeltsch, RWTH Aaachen, Germany Discrete hyperbolic conservation laws - P Kaps, Univ Innsbruck, Austria Recent advances in Rosenbrock methods - J Lambert, Univ Alaska, USA Development of a well-distributed sequence and its use in quasi-Monte-Carlo methods - M Marletta, Univ Leicester, UK & J Pryce, RMCS Shrivenham, UK A new classification of singular points of Sturm-Liouville differential equations - R Mattheij, Tech Univ Eindhoven, Netherlands Direct solution of certain spars linear systems - F Okoro, P Onumanyi, O Taiwo, Univ Ilorin, Nigeria Exponential fitting & parameter expansion - J Pryce RMCS Shrivenham, UK Methods for adaptive remeshing in one space dimension - M Van Veldhuizen, Vrije Univ Amsterdam, Netherlands Invariant curves & their numerical approximation - F Vega-Catalan, Univ Ibadan, Nigeria A modified Marquardt algorithm for curve-fitting of functions with separable parameters - J Verner, Queens Univ Kingston, Canada A comparison of some Runge-Kutta formula pairs using DETEST - M Wulkow & P Deuflhard Towards an efficient computational treatment of heterogeneous polymer reactions ------------------------------ From: Bill Coughran Date: Mon, 19 Sep 94 10:51 EDT Subject: Position at AT&T Bell Laboratories The scientific-computing group in the Computing Science Research Center at AT&T Bell Laboratories (Murray Hill, New Jersey) anticipates an opening to be filled later this year or in 1995. Preference will be given to candidates who anticipate receiving their Ph.D. by the spring of 1995 or have received their Ph.D. within the last 2 years. We are seeking candidates with promise for innovative research in algorithms for partial differential equations, yet with broad expertise in computer science and numerical analysis. Applicants should also have significant interest in, and at least some experience with, realistic scientific computation. The Computing Science Research Center conducts research in operating systems, networks and protocols, theory, programming languages, computer architecture, numerical analysis, and graphics and image processing. The scientific-computing group does research in core numerical analysis and computation, often motivated by important applications. Further background information (including publications) can be obtained via the following URL: ftp://netlib.att.com/netlib/att/cs/home/sci-comp.html If you are interested, please send a curriculum vitae, including a description of your computational experience, electronically to: W. M. Coughran, Jr. Head, Computing Mathematics Research AT&T Bell Laboratories wmc@research.att.com All inquiries should be directed to the same address. AT&T is an equal opportunity employer. ------------------------------ From: Amy Shreve Date: Tue, 20 Sep 1994 17:01:17 -0600 Subject: Position at Maui High Performance Computing Center THE UNIVERSITY OF NEW MEXICO VACANCY ANNOUNCEMENT RESEARCH SCIENTIST II & III MAUI HIGH PERFORMANCE COMPUTING CENTER KIHEI, MAUI, HAWAII REQUISITION NUMBER #941708-A Application Period: 09-12-94 to 12-09-94 Review of applications will begin on 10/15/94. To insure full consideration, applications must be received no later that 5:00PM on 10/14/94 EEOC Job Group: 3 Starting Range: $3,557.66*/MO to $4,592.50*/MO. (Dependent on Budget/Policy) Grade: 16 Full-Time Position/Regular SUMMARY OF DUTIES: Develops tools and application software. Consults with customers on parallelization strategies for their applications. Develops training materials. Teaches customer education classes. Supports the customer help desk. Maintains an extensive on-line customer help system. The computing equipment at the Maui High Performance Computing Center currently includes a 400-node IBM SP2, SGI visualization computers and a number of workstations. The above statement reflects the general duties considered necessary to describe the principle functions of the position identified and shall not be considered inclusive of all work requirements that may be inherent in the position. MINIMUM REQUIREMENTS: Bachelor's Degree in Engineering, Science, or Mathematics and three (3)years of experience (for RSII), five (5) years of experience (for RS III) in scientific FORTRAN and/or C programming in a UNIX environment or an MS with two (2) years experience (RS II), four (4) years of experience or Ph.D. (for RS III). Directly related education and experience may be substituted for each other on a year-for-year basis. DESIRABLE SKILLS, KNOWLEDGE AND ABILITIES: Experience with distributed memory parallel programming, self-motivation and good interpersonal skills, experience in writing scientific applications, user support experience, familiarity with scientific software packages, knowledge of UNIX database systems, experience with network information servers such as Mosaic and gopher, experience as an instructor or in the development of training materials for computer applications. CONDITIONS OF EMPLOYMENT: *The salary for this position includes an $800.00/mo. supplement to compensate for the cost of living in Hawaii. Positions transferring out of Hawaii will revert to the UNM salary according to policy 3500. May be assigned to different work shifts including evenings, weekends, and holidays. Successful candidate must have the ability to obtain and maintain a DoD top secret clearance, and will be required to furnish official college transcripts, certifications, and/or licenses. Must be legally authorized to work in the U.S.A. Successful candidate must be prepared to present certifications, licenses, etc., to be photocopied and added to the personnel file. TO APPLY: Applications must be received by Human Resources Office, 1717 Roma NE, Albuquerque, New Mexico 87131, or the Maui High Performance Computing Center, 550 Lipoa Parkway, Suite 101, Kihei, Maui, Hawaii 96753 by 5:00PM on the closing date. Resumes must list employment dates by month/year and must be accompanied by a cover letter with an original signature. Indicate the requisition number and job title on the application/cover letter. Applications may be obtained by calling 505-277-6422. ------------------------------ From: Jean-Baptiste Hiriart-Urruty Date: Wed, 21 Sep 1994 15:00:33 +0200 (MET) Subject: Position at Paul-Sabatier University, Toulouse POSITION of PROFESSOR at the PAUL-SABATIER UNIVERSITY, TOULOUSE. This is to confirm a previous announcement concerning a position of "Professeur de Mathematiques" at the department of Mathematics of the Paul- Sabatier university in Toulouse, France. This position should be filled starting from September 1, 1995, and is a permanent one. The scientific council of the department has confirmed the following priorities as for the areas of research of the person the university would like to hire : 1st: APPROXIMATION and/or OPTIMIZATION 2nd: NUMERICAL ANALYSIS. Detailed curriculum vitae and curriculum studiorum of possible candidates should be sent to J.-P. DEDIEU or J.-B. HIRIART-URRUTY Laboratoire Approximation et Optimisation U.F.R. Mathematiques,Informatique, Gestion 118, route de Narbonne 31062 TOULOUSE Cedex. The official announcement of the vacancy will be made on spring 1995, the interviews of the selected applicants will take place in May or June 1995. To get a permanent position in a French university, we recall it is necessary to be "qualified" at the national level.There will be a session of qualification next January or February ; to be considered in that session, a first step has to be carried out before October 7, 1994. All the details concerning this procedure can be found in "Journal Officiel" dated August 20. This first step is mainly an administrative one and can be done by mail. ------------------------------ From: Mark Myers Date: Wed, 21 Sep 1994 17:17:13 -0400 Subject: Position at United Technolgies Research Position Announcement: Associate Research Engineer/Scientist Systems and Software Group United Technologies Research Center East Hartford, Connecticut The Systems and Software Group of the Mechatronics Division at the United Technologies Research Center invites qualified individuals to apply for the position of Associate Research Engineer/Scientist. United Technologies Research Center (UTRC) is an internationally recognized R&D organization which conducts research across a broad range of technology areas in support of operating units of United Technology Corporation. The Systems and Software Group is responsible for research activities at UTC on algorithms and implementations which advance the state-of-the-art in one or more UTC divisions: Pratt/Whitney, Sikorsky, Otis, Carrier and UT Automotive. Particular areas of interest and expertise include applications of neural networks, genetic algorithms, design of embedded software and development of simulation codes. Each individual participates in a variety of different projects, all contributing to the solution of practical engineering problems. The minimum requirement are a master's degree in computer science or applied mathematics plus three years of professional experience designing and building software systems, or equivalent experience. The successful candidate must have expertise developing and implementing scientific software using object-oriented design paradigms in C and C++. Facility with CASE tools a bonus. Strong background in mathematics is essential. Preference will be given to candidates with the following additional qualifications: 1. Expertise in numerical methods for simulation and analysis of dynamical systems; 2. Demonstrated ability to work independently and as a member of a team. All inquiries must be IN WRITING and should be directed to: Dr. Mark Myers Systems and Software Group United Technologies Research Center Mail Stop: 129-43 411 Silver Lane East Hartford, CT 06108 Resumes and other supporting documents should be sent by November 1, 1994. (Only resumes sent by postal mail will be considered.) United Technologies Research Center offers competitive salary and a benefits package designed to attract and retain talented professionals. UTRC is an equal opportunity employer. ------------------------------ From: Marilyn Radcliff Date: Fri, 23 Sep 1994 15:13:18 -0400 (EDT) Subject: Contents, Journal of Approximation Theory Journal of Approximation Theory, Volume 78, Number 3, September 1994 Table of Contents Jo\~ao B. Prolla. On the Weierstrass-Stone theorem, 299-313. You Zhao-Yong and Guo Tie-Xin. Pointwise best approximation in the space of strongly measurable functions with applications to best approximation in $L^p(u,X)$, 314-320. Detlef H. Mache. Equivalence theorem on weighted simultaneous $L_p$--approximation by the method of Kantorovi\v c operators, 321-350. Jean-Claude Evard and Farhad Jafari. Direct computation of the simultaneous Stone-Weierstrass approximation of a function and its partial derivatives in Banach spaces, and combination with Hermite interpolation, 351-363. Amos Ron. Negative observations concerning approximations from spaces generated by scattered shifts of functions vanishing at $\infty$, 364-372. Jeffrey S. Geronimo, Douglas P. Hardin, and Peter R. Massopust. Fractal functions and wavelet expansions based on several scaling functions, 373-401. Boris Paneah. On a lower bound for the absolute value of a polynomial of several complex variables, 402-409. M. X. He and E. B. Saff. The zeros of Faber polynomials for an $m$-cusped hypocycloid, 410-432. M. G. Beaty, M. M. Dodson, and J. R. Higgins. Approximating Paley-Wiener functions by smoothed step functions, 433-445. Andr\'as Kro\'o and J\'ozsef Szabados. M\"untz-type problems for Bernstein polynomials, 446-457. Book Reviews, 458-469. ------------------------------ From: Ake Bjorck Date: Mon, 19 Sep 94 09:20:24 +0200 Subject: Contents, BIT Contents BIT Volume 34, No. 3 (1994) ISSN 0006-3835 On dynamic iteration for delay differential equations M. Bj{\o}rhus, pp. 325--336 On quadratic invariants and symplectic structure P. B. Bochev and C. Scovel, pp 337--345 Two new formulas for the numerical evaluation of the Hilbert transform B. Della Vecchia, pp. 346--360 Runge-Kutta schemes than maintain invariant solutions for differential-algebraic problems. I. Higueras, pp. 361--366 Hartley preconditioners for Toeplitz systems generated by positive continuous functions X.-Q. Jin, pp. 367--371 Corrected sequential linear programming for sparse minimax optimization K. J\'onasson and K. Madsen, pp. 372--387 B-splines with geometric knot spacings Z. Ko\c{c}ak and G. M. Phillips, pp. 388--399 The asymptotic stability of one-parameter methods for neutral differential equations J. X. Kuang, J. X. Xiang and H. J. Tian, 400--408 Shift-invert and Cayley transforms for detection of rightmost eigenvalues of nonsymmetric matrices K. Meerbergen, A. Spence and D. Roose, pp. 409--423 On condition numbers and algorithms for determining a rigid body movement I. S\"oderkvist and P.-{\AA}. Wedin, Ume{\aa}, pp. 424--436 Structures and the uniqueness condition of MK-Weighted pseudoinverses M. Wei and B. Zhang, pp. 437--450 A note on primality test for $N=h\cdot2^n-1$ \"O. J. R\"odseth, pp. 451--454 Submissions of articles and proposals for special issues are to be addressed to the Editor: {\AA}ke Bj\"orck Department of Mathematics Link\"oping University S-581 83 Link\"oping Sweden E-mail: akbjo@math.liu.se FAX: +46-13 100 746 ------------------------------ From: Richard Brualdi Date: Mon, 19 Sep 1994 13:14:43 -0500 (CDT) Subject: Contents, Linear Algebra and its Applications LINEAR ALGEBRA AND ITS APPLICATIONS Contents Volume 211 Special Issue: Generalized Inverses Preface 1 R. B. Bapat (New Delhi, India) and Robert E. Hartwig (Raleigh, North Carolina) A Master of the Row Space and the Column Space: The Mathematical Work of Sujit Kumar Mitra 5 Donald W. Robinson (Provo, Utah) The Moore Idempotents of a Matrix 15 R. B. Bapat (New Delhi, India) Generalized Inverses With Proportional Minors 27 K. Manjunatha Prasad (Bangalore, India) Generalized Inverses of Matrices Over Commutative Rings 35 Carolyn A. Eschenbach, Frank J. Hall, and Zhongshan Li (Atlanta, Georgia) Sign Pattern Matrices and Generalized Inverses 53 Georg Heinig (Safat, Kuwait) and Frank Hellinger (Leipzig, Germany) Displacement Structure of Generalized Inverse Matrices 67 Yongge Tian (Zhengzhou, Peoples Republic of China) Reverse Order Laws for the Generalized Inverses of Multiple Matrix Products 85 Robert E. Hartwig (Raleigh, North Carolina) The Weighted-Core-Nilpotent Decomposition 101 Author Index 113 ------------------------------ From: R. Baker Kearfott Date: Wed, 21 Sep 1994 14:45:03 -0500 Subject: Contents, Interval Computations Interval Computations. - 1993. - N 4 (Special Issue: Proceedings of the International Conference on Numerical Analysis with Automatic Result Verification. Lafayette, Louisiana, USA, Feb. 25 - March 1, 1993. - Vol. 3) CONTENTS V. M. Nesterov How To Use Monotonicity-Type Information To Get Better Estimates of the Range of Real-Valued Functions 3 J. Rohn Cheap and Tight Bounds: The Recent Result by E. Hansen Can Be Made More Efficient 13 M. J. Schaefer Precise Zeros of Analytic Functions Using Interval Arithmetic 22 C. A. Schnepper and M. A. Stadtherr Application of a Parallel Interval Newton/Generalized Bisection Algorithm to Equation-Based Chemical Process Flowsheeting 40 M. J. Schulte and E. E. Swartzlander, Jr. Parallel Hardware Designs for Correctly Rounded Elementary Functions 65 L. Simcik and P. Linz Boundary-Based Interval Newton's Method 89 O. Sirisaengtaksin and V. Kreinovich Neural Networks That Are Not Sensitive To The Imprecision of Hardware Neurons 100 U. Storck Verified Calculation of the Nodes and Weights for Gaussian Quadrature Formulas 114 I. B. Turksen Interval Valued Fuzzy Sets and Fuzzy Connectives 125 V. M. Veliov Computation of Integrals of Uncertain Vector Functions 143 E. Villa, A. Bernat, and V. Kreinovich Estimating Errors of Indirect Measurement on Realistic Parallel Machines: Routings on 2-D and 3-D Meshes That are Nearly Optimal 154 K. Villaverde and V. Kreinovich A Linear-Time Algorithm That Locates Local Extrema of a Function of One Variable From Interval Measurement Results 176 A. G. Yakovlev Multiaspectness and Localization 195 Meetings J. Wolff von Gudenberg International Conference INTERVAL'94 210 Advertisement 212 Requirements for manuscript preparation 214 Requirements for manuscript preparation (in Russian) 214 Addresses of the editorial board members 216 Contents 218 ------------------------------ From: Lori Tate Date: Wed, 21 Sep 94 16:13:50 EST Subject: Contents, SIAM Numerical Analysis Here is the correct Table of Contents for the SIAM J. Math. Anal., November 1994. I may have sent you the wrong Table of Contents from a previous issue. Sorry for the mistake. Lori Tate Contents SIAM Journal on Mathematical Analysis Volume 25, Number 6, November 1994 A Remark on the Stability of Viscous Shock Waves Jonathan Goodman, Anders Szepessy, and Kevin Zumbrun Interface Problems in Viscoplasticity and Plasticity Carsten Carstensen Finite Energy Solutions of Nonlinear Schrodinger Equations of Derivative Type Nakao Hayashi and Tohru Ozawa Phaselocking in a Reaction-Diffusion Equation with Twist G. Bard Ermentrout and W. C. Troy Singular Perturbations and the Coupled/Quasi-Static Approximation in Linear Thermoelasticity B. F. Esham and R. J. Weinacht Error Bounds for Asymptotic Expansions of Laplace Convolutions X. Li and R. Wong Multiple Solutions for a Nonlinear Dirichlet Problem Alfonso Castro and Jorge Cossio Explicit Heat Kernel on Generalized Cones Hendrik W. K. Angad-Gaur, Bernard Gaveau, and Masami Okada Analytical and Numerical Solutions for a Class of Nonlocal Nonlinear Parabolic Differential Equations Yanping Lin Monodromy Representations of Systems of Differential Equations Free From Accessory Parameters Yoshishige Haraoka Smoothing Effects for Dispersive Equations Via a Generalized Wigner Transform Thierry Colin Characterization of the Smoothest Interpolant Borislav Bojanov ------------------------------ End of NA Digest ************************** -------