From surfer.EPM.ORNL.GOV!nacomb Fri Sep 25 12:52:13 0400 1992 Received: by research.att.com; Sat Sep 26 09:18 EDT 1992 Received: by inet.att.com; Fri Sep 25 12:52 EDT 1992 Received: by surfer.EPM.ORNL.GOV (5.61/1.34) id AA18593; Fri, 25 Sep 92 12:52:13 -0400 Date: Fri, 25 Sep 92 12:52:13 -0400 From: nacomb@surfer.EPM.ORNL.GOV (NA-NET) Message-Id: <9209251652.AA18593@surfer.EPM.ORNL.GOV> To: ehg@research.att.com Subject: NA Digest, V. 92, # 36 NA Digest Friday, September 25, 1992 Volume 92 : Issue 36 Today's Editor: Cleve Moler The MathWorks, Inc. moler@mathworks.com Today's Topics: Parallel BLAS3 for SPARC Multidimensional Laplace Transform Trivariate Interpolation Bibliography on Rank Revaling Factorizations Physical Review E, Computational Physics Two Special Issues of LAA SCADE93 Conference in Auckland Householder Symposium on Numerical Algebra Conference on Approximation and Probability Workshop on Real-Time Vehicle Simulation Positions at Pacific Northwest Laboratory Position at Convex Computer Corporation Contents: Linear Algebra and its Applications Contents: SIAM Applied Mathematics Contents: SIAM 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. ------------------------------------------------------- From: Mike Boucher Date: Sun, 13 Sep 1992 09:15:56 -0600 Subject: Parallel BLAS3 for SPARC In response to the query about an optimized BLAS3 for SPARC in the last issue of NA Digest: We use a library from DSS that is both optimized and parallelized. It includes optimized versions of BLAS1 and BLAS2. It includes optimized and parallelized versions of BLAS3 and LINPACK. For more details, contact the company at scisoft@well.sf.ca.us. ------------------------------ From: Giulio Giunta Date: Wed, 23 SEP 92 15:09 N Subject: Multidimensional Laplace Transform I will appreciate references about the multidimensional Laplace Transform (theory, application, inversion). Giulio Giunta Istituto di Matematica, IUN Via A. De Gasperi 5, 80133 Napoli, ITALY ------------------------------ From: Christian de Polignac Date: Thu, 24 Sep 1992 09:17 GMT+1 Subject: Trivariate Interpolation Trivariate interpolation Suppose we know f(x,y,z) for the points (x,y,z)={(0,0,0),(0,0,1),(0,1,0),(1,0,0), (1,1,0),(1,0,1),(0,1,1),(1,1,1)}, i.e at the corners of a cube. We then seek a simple expression for the values of f(x,y,z) inside the cube. The expression is going to be used in a computer program, where this expression is required several hundred million times. Christian de Polignac Institut Laue Langevin 156 X 38042 Grenoble Cedex France E-mail: polignac@frill.bitnet ------------------------------ From: Per Christian Hansen Date: Fri, 18 Sep 92 13:58:31 +0200 Subject: Bibliography on Rank Revaling Factorizations RRF Bibliography - a Bibliography of Rank Revealing Factorizations The RRF Bibliography is an attempt to create a bibliography of literature on rank revealing factorizations, such as RRQR, RR-URV, RRLU, etc. The bibliography is intended to include papers addressing all issues of rank revealing factorizations, including: - theoretical issues - implementation issues - applications The bibliography currently consists of 48 entries, and it is available in LaTeX format by anonymous ftp from wuli.uni-c.dk (129.142.6.204), located in the directory pub/RRFbib. The file name is rrfbib.tex. Please send comments and suggestions for new entries to me, as I intend to keep the list updated. -- Per Christian Hansen -- unipch@wuli.uni-c.dk -- UNI-C (Danish Computing Center for Research and Education) ------------------------------ From: Gerald W. Hedstrom Date: Mon, 14 Sep 92 10:17:20 PDT Subject: Physical Review E, Computational Physics On 1 January 1993 Physical Review A15 will become Physical Review E. Beginning in January the journal will include a new subsection, Computational Physics. The most appropriate papers for this section will be those which seek to reach a wider audience of physicists than that reached by specialized journals. We welcome papers describing general computational methods that address significant physics problems. Specific listings of programs, algorithms, etc., should be reserved for supplementary material that would not appear in the published article. Submissions to this new section are invited at this time. I might add that Irwin Oppenheim, the current editor of Physical Review A15, will continue as editor of Physical Review E and that I will be associate editor for the Computational Physics subsection. Gerald Hedstrom ------------------------------ From: Richard Brualdi Date: Wed, 16 Sep 92 08:12:33 CDT Subject: Two Special Issues of LAA Special Issue of LAA Honoring Ingram Olkin Contributed: Richard A. Brualdi < brualdi@math.wisc.edu > The deadline for submission of papers for the special issue of LAA in honor of Ingram Olkin on the occasion of his 70th birthday has been extended to December 31, 1992. Contributions should be appropriate for publication in Linear Algebra and its Applications and will be subject to the usual review process. All papers that fall within the scope of the journal, including the use of linear algebra in statistics, can be submitted for this special issue. Papers should be submitted to one of the special editors of the issue: Friedrich Pukelsheim Institut fur Mathematik Universitat Augsburg Memminger Strasse 6 D-8900 Augsburg, Germany George P. H. Styan Department of Mathematics and Statistics McGill University, Burnside Hall 1240 805 ouest, rue Sherbrooke Street West Montreal, Quebec, Canada H3A 2K6 Henry Wolkowicz Department of Combinatorics and Optimization Faculty of Mathematics University of Waterloo Waterloo, Ontario, Canada N2L 3G1 Ion Zaballa Departamento de Matematica Aplicada Universidad del Pais Vasco Apdo. Correos 450 01080 Vitoria-Gasteiz, Spain. FOURTH SPECIAL ISSUE ON LINEAR ALGEBRA AND STATISTICS Including papers presented at the International IMS-ILAS Workshop on Matrix Methods for Statistics, University of Auckland, Auckland, New Zealand, 4-5 December 1992 Special Editors: Jeffrey J. Hunter, Simo Puntanen, and George P. H. Styan The purpose of this announcement is to solicit papers for this Fourth Special Issue on Linear Algebra and Statistics of Linear Algebra and Its Applications. Anyone may submit a paper for this issue; contributions should be appropriate for publication in LAA and will be subject to the usual review process. All papers that fall within the scope of the journal and which include the use of linear algebra in statistics, can be submitted for this special issue. We expect that several of the papers will have been presented at the International IMS-ILAS Workshop on Matrix Methods for Statistics to be held at The University of Auckland, Auckland, New Zealand, 4-5 December 1992. The previous Special Issues on Linear Algebra and Statistics of Linear Algebra and Its Applications were published as vol. 67 (June 1985), 70 (October 1985), 82 (October 1986, pp. 143-279), 127 (January 1990), and 176 (November 1992). The deadline for submissions is 30 June 1993; publication is expected in early 1995. Papers should be submitted to one of the three special editors of the issue: JEFFREY J. HUNTER, Dept. of Statistics, Massey University, Private Bag, Palmerston North, New Zealand. (email: J.HUNTER@massey.ac.nz) SIMO PUNTANEN, Dept. of Mathematical Sciences, University of Tampere, PO Box 607, SF-33101 Tampere, Finland. (email: SJP@uta.fi) GEORGE P. H. STYAN, Dept. of Mathematics and Statistics, McGill University, Montreal, Quebec, Canada H3A 2K6. (email: mt56@mcgilla.bitnet) ------------------------------ From: John Butcher Date: Thu, 24 Sep 92 16:39:25 NZS Subject: SCADE93 Conference in Auckland Travel to Auckland for SCADE93 Conference Because January is within the New Zealand tourist season, travel to Auckland for participation in the International Conference on Scientific Computation and Differential Equations, January 4-8, 1993, is becoming increasingly difficult to arrange. This reminder is to urge the many people who have indicated an intention to take part in the conference to arrange their travel to Auckland as soon as they possibly can. We would, of course, also appreciate registration for the conference at the earliest date possible, to assist the organisers with detailed planning. For some airlines there are already waiting lists for travel to Auckland during the Southern Hemisphere summer and it may already be too late to come on a date you might prefer and at a favourable price. John Butcher butcher@mat.aukuni.ac.nz Horst Gerlach gerlach@mat.aukuni.ac.nz ------------------------------ From: Tony Chan Date: Fri, 18 Sep 92 14:37:13 +0800 Subject: Householder Symposium on Numerical Algebra SECOND ANNOUNCEMENT THE HOUSEHOLDER SYMPOSIUM XII MEETING ON NUMERICAL ALGEBRA The Householder Symposium XII on numerical algebra will be held during the week of June 13-18, 1993 at the UCLA Conference Center, Lake Arrowhead, California, about a 2 hour drive from Los Angeles. This meeting is the twelveth in a series, previously called the Gatlinburg Symposia. It has been agreed to rename all subsequent Gatlinburg Symposia to honor Alston S. Householder, one of the pioneers in Numerical Linear Algebra and organizer of the first four Gatlinburg meetings. The meeting is an international conference of experts in the field of Numerical Algebra. The meeting has traditionally been held in an isolated location and is very informal in style. Extended talks are given during the day and special workshops organized by the participants in the evening. There is no formal program, but traditionally a few topics are emphasized; for this meeting this includes parallel computation issues, signal and image processing, control, wavelets, nonsymmetric conjugate gradient methods, domain decompositon and multilevel methods and industrial problems. The meeting is being organized by the Householder committee, in cooperation with the SIAM Activity Group on Linear Algebra. The local organizers are Tony F. Chan of UCLA and Gene Golub of Stanford University. The venue is a first class rustic alpine resort with modern conference and recreational facilities. The room charge is $92 per person for a double room and $120 for a single/private room and INCLUDES ROOM AND 3 MEALS A DAY (spouses are allowed but not very young children). It is hoped that we will have the whole conference center to ourselves. There will be a modest registration fee (less than $100) to help defray organizational costs. The traditional format of the Householder Symposia requires that the attendence be limited. The organizing committee invites all qualified persons to apply to attend. For planning purposes, please let us know of your intention to attend as soon as possible, preferably before December 1, 1992. We'll maintain a mailing list and keep you informed. The actual application should consist of a vita and an extended abstract (about two pages) of a paper you would present if you desire to speak and are invited to speak. The latter will be used by the committee in planning the program. Material (preferably in machine readable form) should be sent to us before February 1, 1993 (but the earlier the better) to: Householder 93 c/o Babette Dalton Department of Mathematics University of California, Los Angeles 405 Hilgard Avenue Los Angeles, California 90024-1555 e-mail: householder93@math.ucla.edu HOUSEHOLDER AWARD VI (1993): This is awarded to the best thesis in Numerical Algebra written since 1 January 1990. The award will be announced at the 1993 meeting and the candidates on the short list will be invited to that meeting. For nominations, please contact Prof. Beresford Parlett at Dept. of Math., U.C. Berkeley, Berkeley, CA 94720. Email: na.parlett@na-net.ornl.gov. More details will be announced shortly. ------------------------------ From: George Anastassiou Date: 14 Sep 92 16:54:17 CDT Subject: Conference on Approximation and Probability INTERNATIONAL CONFERENCE APPROXIMATION, PROBABILITY AND RELATED FIELDS May 20-22, 1993 University of California, Santa Barbara The main purpose of the conference is to bring together national and international researchers in approximation, probability and related fields in an intense and intimate environment conducive to interacting. The emphasis is on the interplay of important topics in approximation theory and probability. Topics will include: - approxmation of functions by polynomials, splines operators and their applications to stochastics. - numerical methods for approximation of deterministic and stochastic integrals. - orthogonal polynomials and stochastic processes. - positive linear operators and related deterministic and stochastic inequalities. - multivariate approximation and interpolation. - approximations and martingales. - deterministic and stochastic inequalities. - stability of deterministic and stochastic models. - signal analysis. - prediction theory. - wavelets and approximations ORGANIZING COMMITTEE Chairmen: George Anastassiou Department of Mathematical Sciences Memphis State University Memphis, TN USA Svetlozar T. Rachev Department of Statistics and Applied Probability University of California Santa Barbara, CA 93106 USA Members: Paul L. Butzer Stamatis Cambanis Zuhair Nashed The Meeting The International Conference on "Approximation Probability and Related Fields" will take place at the University of California, Santa Barbara, Department of Statistics and Applied probability, Santa Barbara, CA 93106-3110, on Thurs, Fri and Sat, May, 20, 21 and 22 of 1993. Main Speakers The following have already accepted an invitation to be main speakers. R. Adler, Technion University P.L. Butzer, RWTH, Aachen S. Cambanis, University of North Carolina P. Erdos, Hungarian Academy of Sciences R. Karandikar, Indian Statistical Institute J.H.B. Kemperman, Rutgers University G.G. Lorentz, University of Texas M. Maejima, Keio Unversity C. Micchelli, IBM, Yorktown Heights L. Ruschendorf, University of Munster G. Samorodnitsky, Cornell University G. Strang, M.I.T. M. Taqqu, Boston University W. Vervaat, Catholic University at Nijmegen ------------------------------ From: Stephen L. Campbell Date: Tue, 22 Sep 1992 16:39:38 +1100 Subject: Workshop on Real-Time Vehicle Simulation Army Research Office Workshop in Modelling and Analysis for Mechanical Systems and Algorithms for Real-Time Vehicle Simulation November 5-7, 1992 Brownestone Hotel Raleigh, North Carolina Motivation: Computer simulation is playing a greater role in the design and analysis of complex mechanical systems, the goals being improved designs and faster, more reliable design processes. Often, the computer simulation must be performed in conjunction with other devices or humans, such as in vehicle or flight simulat- ors. In the case of human interaction it is essential that the computations be carried out in real time. These issues are critical for military systems, as the decline in defense spending shifts the emphasis from the procurement and maintenance of vast military hardware to the capability for rapid high-techno- logy responses to a wide variety of situations. They also have many obvious implications for the improved competitiveness of American industry. Particular applications to the Army include the design and stability analysis of vehicle systems and weapons platforms. Thus, a workshop on Modelling and Analysis for Mechanical Systems and Algorithms for Real-Time Vehicle Simulation is timely and is both highly relevant and complementary to existing Army research activ- ities. The need to bring together the diverse groups of engineers, control theorists, numerical analysts, and computer scientists working in this field led to the 1989 NATO Workshop on the Real Time Simulation of Mechanical Sys- tems which was held in Snowbird, Utah. The meeting was uniformly praised by the participants for the interaction that it spawned. Considerable progress has been made since the NATO meeting. This ARO workshop may be considered to be the first follow up meeting to the NATO workshop. Themes of the Workshop: The focus of this meeting is to bring together researchers from academia, national laboratories, and Army scientists to stimulate collaboration on problems of common interest arising the numerical simulation of the dynamics of mechanical systems, especially vehicles. Topics to be discussed include - Recent developments in sequential and parallel algorithms for real-time simulation of ODEs and constrained systems, with parallel and/or distributed computing architectures (e.g., trans- puters) as an underlying issue; - Delay-differential algebraic systems; - Recent results of fundamental mathematical importance in differential- algebraic equations (DAEs) related to constrained mechanical systems; - New numerical methods/analysis; - Investigations of stiffness in actual systems with DAE models; - Modelling of vehicle systems; - Software environments for real-time simulation and related issues of adaptive nonlinear control. One important aspect of this workshop is the intent to invite both Army and non-Army participants to pose real problems encountered in complex vehicle simulation with the hopes of stimulating discussion, posing solutions, and initiating future collaborations. Further information can be obtained by contacting one of the meeting organizers listed below: Professor Stephen L. Campbell Phone: 919-515-3300 Department of Mathematics email: slc@math.ncsu.edu North Carolina State University Fax: 919-515-3798 Raleigh, NC 27695-8205 Dr. Kenneth D. Clark Phone: 919-549-4256 Mathematical and Computer email: clark@adm.csc.ncsu.edu Sciences Division clark@durham-movac.army.mil US Army Research Office Fax: 919-549-4288 Box 12211 Research Triangle Park, NC 27709-2211 Professor Linda R. Petzold Phone: 612-625-2013 Department of Computer Science and email: petzold@cs.umn.edu Army High Performance Computing Fax: 612-625-0572 and Research Center (AHPCRC) University of Minnesota Minneapolis, MN 55455 ------------------------------ From: Rik Littlefield Date: Wed, 23 Sep 92 14:49:07 PDT Subject: Positions at Pacific Northwest Laboratory A major program for basic and applied research in the molecular sciences is underway at the Pacific Northwest Laboratory (PNL). Our current significant capability in scientific computing is being expanded to support the theoretical and experimental elements of the molecular sciences program. We need researchers with expertise in a variety of parallel scientific computing technologies, such as: Performance Modeling and Machine Evaluation . Performance modeling of scientific applications on MIMD massively parallel computers; development of modeling methods and tools; evaluation of parallel algorithms, programming environments, and machines. Parallel Numerical Method & Toolset Development . Identification, development, and evaluation of parallel numerical methods and toolsets, including linear algebra, eigensystems, PDE's, and nonlinear optimization. Nominal requirements include an MS or PhD in Computer Science, with graduate work or 1 year experience in a computational science discipline, or PhD in Applied Math, Chemistry, or Physics with BS or equivalent experience in Computer Science. Three years experience in parallel computing is desired. PNL is a rapidly expanding multi-program national laboratory with missions in the areas of Energy Research and Environmental Preservation, Remediation and Restoration. PNL is operated by Battelle under contract to the U.S. Department of Energy. At PNL, Battelle conducts over 1,700 research programs for more than 94 federal and state agencies, 302 industry clients, and 9 foreign countries, valued at over $350 million. Our location in Richland in southeastern Washington offers all the advantages and quality of a small community lifestyle, excellent schools, and the unique recreational opportunities of the great Northwest. Battelle offers outstanding facilities and equipment, the challenge of growth, excellent benefits and competitive salaries. If interested, please send a resume via email to: cishpcg@msrc.pnl.gov or on paper to: Rik Littlefield MSRC/CIS High Performance Computing Group Pacific Northwest Laboratory, MS K1-87 P.O.Box 999 Richland, WA 99352. fax: 509-375-6631 ------------------------------ From: Dave Dodson Date: Thu, 24 Sep 92 14:33:14 -0500 Subject: Position at Convex Computer Corporation CONVEX COMPUTER CORPORATION Mathematical Software Development Background: CONVEX Computer Corporation designs, develops, manufactures, and markets affordable supercomputers for the high-performance engineering and scientific computing marketplace. CONVEX's Mathematical Software Group is chartered with producing efficient, robust mathematical software, packaged as subroutine libraries, that can be incorporated into FORTRAN programs to ease program development, conversion, and optimization. Responsibilities: You will develop and maintain highly efficient mathematical software routines for inclusion in the CONVEX VECLIB Library. Ingenuity will be required to devise and implement vector and/or parallel algorithms to solve problems that occur frequently in engineering and scientific computing. In addition, you will serve an important role as a company resource in numerical analysis, program optimization, and high- speed scientific computing. Job Requirements: U.S. Citizenship or Permanent Residency. Strong background in scientific computing or numerical analysis. Experience in programming algorithms in numerical linear algebra, the finite element method, or signal processing. Two or more years of FORTRAN programming experience. Desired Experience: Five or more years experience in scientific computing. Programming experience on parallel or vector processors is a plus. Familiarity with mathematical library software development. A working knowledge of UNIX and an assembly language is desirable. Education: Preference will be given to applicants with a Masters or Ph.D. degree in a relevant discipline. Special Skills: Excellent interpersonal and communication skills are required. For immediate consideration, please send your resume, in confidence, to Human Resources, Attn. David Gray CONVEX Computer Corporation P.O. Box 833851 Richardson, Texas 75083-3851 CONVEX is an equal oportunity employer, M/F/D/V. ------------------------------ From: Richard Brualdi Date: Sat, 12 Sep 92 12:10:45 CDT Subject: Contents: Linear Algebra and its Applications LINEAR ALGEBRA AND ITS APPLICATIONS Contents Volume 176, November 1992 Jerzy K. Baksalary (Zielona Gora, Poland) and George P. H. Styan (Montreal, Quebec, Canada) Preface 1 Sujit Kumar Mitra and Robert E. Hartwig (New Delhi, India) Partial Orders Based on Outer Inverses 3 Peter Semrl (Ljubljana, Slovenia) On Rank Additivity and the Polynomial Equation p(A)=0 21 James A. Calvin (College Station, Texas) and Richard L. Dykstra (Iowa City, Iowa) A Note on Maximizing a Special Concave Function Subject to Simultaneous Loewner Order Constraints 37 K. Balasubramanian, A. Dey (New Delhi, India) and P. Bhimasankaram (Calcutta, India) Diagonally Range Dominant Matrices 45 Jerzy K. Baksalary (Zielona Gora, Poland), Simo Puntanen (Tampere, Finland), and Haruo Yanai (Tokyo, Japan) Canonical Correlations Associated With Symmetric Reflexive Generalized Inverses of the Dispersion Matrix 61 Haruo Yanai (Tokyo, Japan) and Yoshio Takane (Montreal, Quebec, Canada) Canonical Correlation Analysis With Linear Constraints 75 Jorg Lauterback and Peter Stahlecker (Oldenburg, Germany) A Numerical Method for an Approximate Minimax Estimator in Linear Regression 91 Erkki P. Liski (Tampere, Finland) On a Relationship Between Minimax-Linear and Admissible Estimators in Linear Regression 109 Erkki P. Liski, Simo Puntanen (Tampere, Finland), and Song-Gui Wang (Hefei, People's Republic of China) Bounds for the Trace of the Difference of the Covariance Matrices of the OLSE and BLUE 121 Markku Nurhonen and Simo Puntanen (Tampere, Finland) Effect of Deleting an Observation on the Equality of the OLSE and BLUE 131 A. C. Georgiou and P.-C. G. Vassilious (Thessaloniki, Greece) Periodicity of Asymptotically Attainable Structures in Nonhomogeneous Markov Systems 137 G. Tsaklidis and P.-C. G. Vassiliou (Thessaloniki, Greece) Periodicity of Infinite Products of Matrices With Some Negative Elements and Row Sums Equal to One 175 Jorma Kaarlo Merikoski (Tampere, Finland) and Graciano de Oliveira (Coimbra, Portugal) On k-Major Norms and k-Minor Antinorms 197 S. W. Drury (Montreal, Quebec, Canada) On Symmetric Functions of the Eigenvalues of the Sum of Two Hermitian Matrices 211 A.-M. Parring (Tartu, Estonia) About the Concept of the Matrix Derivative 223 Yasuko Chikuse (Takamatsu-shi, Japan) Properties of Hermite and Laguerre Polynomials in Matrix Argument and Their Applications 237 Yasuko Chikuse (Takamatsu-shi, Japan) Generalized Hermite and Laguerre Polynomials in Multiple Symmetric Matrix Arguments and Their Applications 261 LINEAR ALGEBRA AND ITS APPLICATIONS Contents Volume 178, January 1, 1993 Alfredo N. Iusem (Rio de Janeiro, Brazil) and Alvaro R. De Pierro (Campinas, Brazil) A Characterization of the Set of Fixed Points of Some Smoothed Operators 1 George Labahn (Waterloo, Ontario, Canada) Inversion Components of Block Hankel-like Matrices 7 Alexei Yu. Uteshev and Sergei G. Shulyak (St. Petersburg, Russia) Hermite's Method of Separation of Solutions of Systems of Algebraic Equations and Its Applications 49 R. B. Bapat (New Delhi, India) and Donald W. Robinson (Provo, Utah) The Moore-Penrose Inverse Over a Cummutative Ring 89 S. W. Drury and B. Cload (Montreal, Quebec, Canada) On the Determinantal Conjecture of Marcus and de Oliveira 105 Lily Kolotilina (Leningrad, U.S.S.R.) and Ben Polman (Nijmegen, The Netherlands) On Incomplete Block Factorization Methods of Generalized SSOR type for H-Matrices 111 Ronald L. Smith (Chattanooga, Tennessee) Some Interlacing Properties of the Schur Complement of a Hermitian Matrix 137 Lucas Jodar (Valencia, Spain) On the Nonhomogeneous Second-Order Euler Operator Differential Equation: Explicit Solutions 145 Edward Bach (Dublin, Ireland) and Takayuki Furuta (Tokyo, Japan) Counterexample to a Question on the Operator Equation T(H1/nT)n=K 157 Wen Li (Guanzhou, People's Republic of China) On Regular Splittings and Graph Compatible Splittings of an M-Matrix 163 R. O. Hill, Jr. (East Lansing, Michigan) Certain Rank 2K Updates Act Like Rank K 173 Mark Copper (Miami, Florida) On the Gauss Decomposition of a Matrix 175 Arno van den Essen (Nijmegen, The Netherlands) and T. Parthasarathy (New Delhi, India) Polynomial Maps and a Conjecture of Samuelson 191 Peter M. Gibson (Huntsville, Alabama) Permanental Mates of Doubly Stochastic Matrices 197 Che-Man Cheng (Hong Kong) Cases of Equality for a Singular Value Inequality for the Hadamard Product 209 M. Pilar Benito Clavijo (Logrono, Spain) Lie Alegebras With a Small Number of Ideals 233 F. O. Farid (Calgary, Alberta, Canada) The Spectral Variation for Two Matrices With Spectra on Two Intersecting Lines 251 ------------------------------ From: SIAM Date: Tue, 15 Sep 92 09:35:50 EST Subject: Contents: SIAM Applied Mathematics SIAM Journal on Applied Mathematics Vol. 52, No. 6, December 1992 A Theory for Transient Discharge in Tubes with Applications to a New Type of Viscometer C. V. Easwaran and S. L. Kokal Flow Effects in a Vertical CVD Reactor G. W. Young, S. I. Harihan, and R. Carnahan Numerical Simulation of the Motion of Rigid Spheres in Potential Flow Hyun S. Kim and Andrea Prosperetti On the Dynamics of Chains Dmitry Jacobson and John H. Maddocks Reflection Coefficient Problems for Weakly Nonlinear Wave Equations Jishan Hu and Martin Kruskal The Conductive Boundary Condition for Maxwell's Equations T. S. Angell and A. Kirsch Identifiability of Semiconductor Defects from LBIC Images Weifu Fang and Kazufumi Ito Perturbation Techniques for Models of Bursting Electrical Activity in Pancreatic a-Cells M. Pernarowksi, R. M. Miura, and J. Kevorkian Singular Hopf Bifurcation to Relaxation Oscillations II S. M. Baer and T. Erneux Stable Periodic Solutions to Discrete and Continuum Arrays of Weakly Coupled Nonlinear Oscillators G. Bard Ermentrout Low- and High-Frequency Oscillations in Three-Dimensional Food Chain Systems Simona Muratori and Sergio Rinaldi Occurrence of Chaos in Higher-Dimensional Discrete-Time Systems Akitaka Dohtani Optimal Search among False Contacts D. V. Kalbaugh The Gated Infinite-Server Queue: Uniform Service Times Sid Browne. E. G. Coffman, Jr., E. N. Gilbert, and Paul E. Wright Multiple Alignment, Communication Cost, and Graph Matching Pavel A. Pevzner On Random Imperfections for Structures of Regular-Polygonal Symmetry Kazuo Murota and Kiyohiro Ikeda ------------------------------ From: SIAM Date: Tue, 15 Sep 92 14:22:43 EST Subject: Contents: SIAM Scientific Computing CONTENTS SIAM Journal on Scientific Computing January 1993 Volume 14, Number 1 The Convergence of an Exact Desingularization for Vortex Methods T.Y. Hou, J. Lowengrub, and M.J. Shelley Some Numerical Aspects of Computing Inertial Manifolds Robert D. Russell, David M. Sloan, and Manfred R. Trummer Fast Solution of Nonlinear Poisson-Type Equations Brett M. Averick and James M. Ortega A Domain Decomposition Method for Incompressible Viscous Flow John C. Strikwerda and Carl D. Scarbnick Some Practical Aspects of Exploratory Projection Pursuit J. Sun Parallel Algorithms and Subcube Embedding on a Hypercube Eleanor Chu and Alan George Stability and Computational Methods for Constrained Dynamics Sytems Uri M. Ascher and Linda R. Petzold Reducing the Symmetric Matrix Eigenvalue Problem to Matrix Multiplications Shing-Tung Yau and Ya Yan Lu An Implementation of the Look-Ahead Lanczos Algorithm for Non-Hermitian Matrices Roland W. Freund, Martin H. Gutknecht, and No l M. Nachtigal Wavelet-Like Bases for the Fast Solution of Second-Kind Integral Equations B. Alpert, G. Beylkin, R. Coifman, and V. Rokhlin An h-r Adaptive Approximate Riemann Solver for the Euler Equations in Two Dimensions Michael G. Edwards, J. Tinsley Oden, and Leszek Demkowicz Interaction Splines with Regular Data: Automatically Smoothing Digital Images Chong Gu A Collection of Problems for which Gaussian Elimination with Partial Pivoting is Unstable Stephen J. Wright An Optimal Two-Level Overlapping Domain Decomposition Method for Elliptic Problems in Two and Three Dimensions Xiao-Chuan Cai A Note on Computing Eigenvalues of Banded Hermitian Toeplitz Matrices William F. Trench Exploiting Structural Symmetry in a Sparse Partial Pivoting Code Stanley C. Eisenstat and Joseph W. H. Liu ------------------------------ End of NA Digest ************************** -------