Subject: NA Digest, V. 14, # 44 NA Digest Tuesday, December 16, 2014 Volume 14 : Issue 44 Today's Editor: Daniel M. Dunlavy Sandia National Labs [log in to unmask] Today's Topics: Chebfun V5.1 release and users day Mar 2015 ViennaCL 1.6/ViennaCLBench 1.0 released New Book, Stability, Control, and Computation for Time-Delay Systems New Book, Vehicle Routing, Second Edition IMA Eight Great Technologies, UK, Jan 2015 LMS Inverse Day, UK, Jan 2015 Galerkin methods in weather, UK, Mar 2015 Conference Honoring Volker Mehrmann, Germany, May 2015 Sparse Days in St Girons III, France, Jun-Jul 2015 Innovative Clustering Methods, France, Jul 2015 Matrix equations and Tensor Techniques, Italy, Sep 2015 MAFELAP 2016, UK, Jun 2016 Postdoc Position, ICMC, Brazil Postdoc Positions, Computational Plasmas, Sandia Labs Postdoc Positions, NIST Postdoc Positions, Numerical Analysis, Chile Postdoc/PhD Positions, Multiscale Comput Methods, Skoltech, Moscow PhD Position, Applied Maths, Maxwell Institute, HWU, Edinburgh PhD Positions, BCAM PhD Positions, Mathematics, Univ of Sussex, UK Contents, BIT Numerical Mathematics, 54 (4) Subscribe, unsubscribe, change address, or for na-digest archives: http://www.netlib.org/na-digest-html/faq.html Submissions for NA Digest: http://icl.cs.utk.edu/na-digest/ ------------------------------------------------------- From: Nick Trefethen [log in to unmask] Date: December 12, 2014 Subject: Chebfun V5.1 release and users day Mar 2015 We are pleased to announce the release of Chebfun Version 5.1 for numerical computing with 1D and 2D functions. The main new features are: - Fast solution of ODE initial-value problems via "\" - Updated CHEBGUI interface for ODE, PDE, and eigenvalues - New "trig" capabilities for periodic functions and ODEs - New function collections gallery, gallerytrig, and gallery2 The gallery commands contain examples of interesting 1D and 2D functions, analogous to the MATLAB gallery collection of interesting matrices. Please explore and send us ideas for further functions to include! See http://www.chebfun.org for download, updated users guide, and hundreds of Chebfun Examples. See the web site also to sign up (before January 19 please) for the Chebfun users day in Oxford, March 17. ------------------------------------------------------- From: Karl Rupp [log in to unmask] Date: December 14, 2014 Subject: ViennaCL 1.6/ViennaCLBench 1.0 released ViennaCL is a free open source linear algebra library (MIT license) for dense and sparse linear algebra using CUDA, OpenCL, or OpenMP. The highlights of the latest 1.6.x release series are: - Our implementation of a sliced ELLPACK format for sparse matrices (DOI:10.1137/130930352) - Pipelined implementations of CG, BiCGStab and GMRES (http://arxiv.org/abs/1410.4054) - Our implementation of a fast CSR-SpMV kernel from SC'14 (DOI:10.1109/SC.2014.68) - An OpenCL device database for optimized kernels at runtime More information and download: http://viennacl.sourceforge.net/ ViennaCLBench is a GUI-based benchmark application build on top of ViennaCL to quickly evaluate the performance of OpenCL devices available on a system. Benchmarks: - Host-device transfer rates - Vector operations (similar to STREAM-benchmark) - Dense matrix-matrix multiplications - Sparse matrix-vector multiplications (+MatrixMarket) User-provided matrices in MatrixMarket format can be loaded to quickly determine the fastest storage format for sparse matrix-vector multiplications. A built-in browser for the Florida Sparse Matrix Collection to directly benchmark different matrices is also provided. More information and download: http://viennaclbench.sourceforge.net/ ------------------------------------------------------- From: Bruce Bailey [log in to unmask] Date: December 11, 2014 Subject: New Book, Stability, Control, and Computation for Time-Delay Systems Stability, Control, and Computation for Time-Delay Systems: An Eigenvalue-Based Approach, Second Edition, by Wim Michiels and Silviu-Iulian Niculescu. xxiv + 435 pages / Softcover / ISBN 978-1-611973-62-4 / List Price $114.00 / SIAM Member Price $79.80 / Order Code DC27 In this revised edition, the authors make the leap from stabilization to the design of robust and optimal controllers and from retarded-type to neutral-type delay systems, thus enlarging the scope of the book within control; include new, state-of-the- art material on numerical methods and algorithms to broaden the book’s focus and to reach additional research communities, in particular numerical linear algebra and numerical optimization; and increase the number and range of applications to better illustrate the effectiveness and generality of their approach. To order or for more about this book, including links to its table of contents, preface, and index, please visit http://bookstore.siam.org/DC27/ . ------------------------------------------------------- From: Bruce Bailey [log in to unmask] Date: December 16, 2014 Subject: New Book, Vehicle Routing, Second Edition Vehicle Routing: Problems, Methods, and Applications, Second Edition, edited by Paolo Toth and Daniele Vigo. xviii + 463 pages / Softcover / ISBN 978-1-611973-58-7 / List Price $119.00 / SIAM Member Price $83.30 / Order Code MO18 The text of the new edition is either completely new or significantly revised and provides extensive and complete state-of-the-art coverage of vehicle routing by those who have done most of the innovative research in the area; it emphasizes methodology related to specific classes of vehicle routing problems and, since vehicle routing is used as a benchmark for all new solution techniques, contains a complete overview of current solutions to combinatorial optimization problems. It also includes several chapters on important and emerging applications, such as disaster relief and green vehicle routing. This book is intended for both researchers and graduate level students in operations research and applied mathematics. Practitioners will find this book particularly useful. Readers need a basic knowledge of the main methods for the solution of combinatorial optimization problems. To order or for more about this book, including links to its table of contents, preface, and index, please visit http://bookstore.siam.org/MO18/ . ------------------------------------------------------- From: Pamela Bye [log in to unmask] Date: December 09, 2014 Subject: IMA Eight Great Technologies, UK, Jan 2015 The IMA Conference on Research in Mathematics and its Applications: Eight Great Technologies will be held in Bath on 9 January 2015 to follow the SIAM UKIE annual meeting in Bath on 8 January [http://blogs.cardiff.ac.uk/siamukie/annual-meetings/]. There will be talks on the Eight Great Technologies: Energy; Advanced Materials; Big Data; Space; Robotics and autonomous systems; Synthetic Biology; Regenerative Medicine; Agri-science Registration is now open. To register, please download, complete and return the application form on the conference webpage (link below). Please visit the conference webpage: http://ima.org.uk/conferences/conferences_calendar/ima_2015_con ference_on_research_in_mathematics_and_its_applications.html For further information or to register your interest in this event, please contact Lizzi Lake, Conference Officer, E-mail: [log in to unmask], Tel: +44 (0) 1702 354 020, Fax: +44 (0) 1702 354 111, Institute of Mathematics and its Applications, Catherine Richards House, 16 Nelson Street, Southend-on-Sea, Essex, SS1 1EF, UK. ------------------------------------------------------- From: Carola-Bibiane Schönlieb [log in to unmask] Date: December 14, 2014 Subject: LMS Inverse Day, UK, Jan 2015 Our next LMS inverse day will take place at UCL on the 9th of January 2015. Our main topic this time will be "Learning in inverse problems". Please visit our website for more information on registration and the schedule for the day http://www.damtp.cam.ac.uk/user/cbs31/LMS_Inverse_Day_UCL_Jan_2015/Home.html Please, may I also ask you to advertise this event among early career researchers in particular who are very welcome to attend and present a poster. PhD students presenting a poster can win an LMS poster award! Simon Arridge, Marta Betcke, Daniel Lesnic, Carola-Bibiane Schönlieb and Manuch Soleimani ------------------------------------------------------- From: Frank Giraldo [log in to unmask] Date: December 16, 2014 Subject: Galerkin methods in weather, UK, Mar 2015 The International Center for Mathematical Sciences (in Edinburgh Scotland) is pleased to announce the Workshop: Galerkin methods with applications in weather and climate forecasting to be held March 23-27 2015. There are limited openings available to this workshop so please apply early. The deadline for applying to the workshop is January 18, 2015. The organizers will decide by January 26, 2015 on the final list of participants. Information on applying can be found at the following website: http://www.icms.org.uk/workshop.php?id=334 Sincerely, the organizing committee, Colin Cotter, Andreas Dedner, Frank Giraldo, Mark Taylor ------------------------------------------------------- From: Joerg Liesen [log in to unmask] Date: December 09, 2014 Subject: Conference Honoring Volker Mehrmann, Germany, May 2015 Abstract submission and registration forms for the conference Numerical Algebra, Matrix Theory, Differential-Algebraic Equations, and Control Theory in honor of Volker Mehrmann on the occasion of his 60th birthday (Berlin, May 2015) are now online at http://www3.math.tu-berlin.de/VM60 Important deadlines: Abstract submission: 15 January 2015 Notification of authors: 31 January 2015 Early registration: 28 February 2015 Late registration: 15 April 2015 VM60 Conference: May 6-9, 2015 We hope to see you in Berlin on this special occasion, Peter Benner, Joerg Liesen, Christian Mehl, Reinhard Nabben, Lena Scholz, Andreas Steinbrecher, the VM60 Committee ------------------------------------------------------- From: Iain Duff [log in to unmask] Date: December 15, 2014 Subject: Sparse Days in St Girons III, France, Jun-Jul 2015 The conference Sparse Days in St Girons III will be held in St Girons near Toulouse from 29 June to 2 July 2015. Previous conferences were held in 1994 and 2003 and a similar pattern will be followed for this meeting. There will be sessions on the themes of the CIMI Semester workshops, viz. low-rank approximations for high performance sparse solvers, innovative clustering methods for large graphs and block methods, parallel methods for time dependent problems, and advances in optimization with application to data assimilation. Further information on these can be obtained from other pages on the website (http://cimi-semester-hpc.fr/). You are invited to attend or to give a talk on any area relevant to the title of the conference on topics not necessarily related to the workshops. There will also be poster sessions. The conference general chairs are Jim Demmel (Berkeley), Jack Dongarra (Tennessee and Manchester), Iain Duff (CERFACS and RAL), and Patrick Amestoy (INPT-IRIT, Toulouse). The local organizer chair is Pierre-Henri Cros (IRIT). More information is available from the website http://cimi-semester-hpc.fr/ where pre-registration is possible by clicking on the Registration flag for the Conference. ------------------------------------------------------- From: Iain Duff [log in to unmask] Date: December 15, 2014 Subject: Innovative Clustering Methods, France, Jul 2015 In the context of the CIMI Semester on "High performance linear and nonlinear methods for large scale applications", a workshop on "Innovative clustering methods for large graphsand block methods" will be held in Toulouse, France, from 6th to 8th July 2015. The format that we plan for the workshop is for a few short presentations, on the topics of the day, leaving a lot of time for exchanges and discussions amongst participants. The central theme of the workshop is to investigate clustering techniques in the context of very large and sparse matrices, and the use of HPC to design efficient algorithms. Over the three days of this workshop, the foci we plan for each day are: the first day will be on applications, describing various disciplines that can benefit from clustering, and what type of structure identification can be of interest depending on the application; this can for instance address the use of specific block structures in large linear system solvers, clustering in graphs with applications, and pattern recognition using numerical structure; the second day will focus on tools and kernels useful for clustering algorithms, such as scaling, graph reordering techniques, and spectral analysis; the last day will be devoted to tools for model reduction, including for instance non-negative factorization techniques and rank reduction techniques. There are no registration fees for the workshop, but there is a limit on the number of participants that can be accommodated. Expressions of interest to attend or proposals (in the form of a one page abstract) for a short 20mn talk, should be sent by January 31st 2015, to either Daniel Ruiz or Sandrine Mouysset at IRIT ([log in to unmask] or [log in to unmask]), from whom further information can be obtained. Notifications of acceptance will be given by March 1st 2015. A session of the conference "Sparse days in St Girons III" (29/06/2015-02/06/2015) will be dedicated to the topics of this workshop, and people interested in this area might also wish to attend the conference. Full details of how to register for the conference are available from the web page http://www.cimi-semester-hpc.fr. ------------------------------------------------------- From: Valeria Simoncini [log in to unmask] Date: December 12, 2014 Subject: Matrix equations and Tensor Techniques, Italy, Sep 2015 The fifth Workshop on Matrix equations and Tensor Techniques will be held on September 21-22, 2015 at the Mathematics Department, Alma Mater Studiorum Universita' di Bologna, Italy. As in the previous meetings, the focus will be on the latest developments in the theory, computation and applications of linear and nonlinear matrix equations and tensor equations. We will extend our focus to sparsity and low rank structures, and to decay properties of matrices and tensors associated with these problems. Additional details and registration information can be found at http://mett15.dm.unibo.it/ Organizers: Peter Benner (Max-Planck Institut, Magdeburg, Germany) Heike Faßbender (Technische Universitaet Braunschweig, Germany) Lars Grasedyck (Aachen University, Germany) Daniel Kressner (E'cole polytechnique fe'de'rale de Lausanne, Switzerland) Local Organizer: Valeria Simoncini (Alma Mater Studiorum Universita' di Bologna, Italy) ------------------------------------------------------- From: Carolyn Sellers [log in to unmask] Date: December 11, 2014 Subject: MAFELAP 2016, UK, Jun 2016 MAFELAP 2016: 14 – 17 June 2016, Brunel University London, England We are pleased to announce that MAFELAP 2016, the fifteenth conference on the Mathematics of Finite Elements and Applications, will take place at Brunel University London during 14 – 17 June 2016. Preliminary information is available on the conference website: http://www.brunel.ac.uk/mafelap2016 . As on previous occasions the conference will consist of plenary lectures, mini-symposia and parallel sessions. If you are interested in organizing a mini-symposium at MAFELAP 2016 then please email your title to [log in to unmask] as soon as possible. If you are new to the MAFELAP conferences you can get a flavour of what they involve from the web page of the previous conference: http://people.brunel.ac.uk/~icsrsss/bicom/mafelap2013 . ------------------------------------------------------- From: Jose A Cuminato [log in to unmask] Date: December 10, 2014 Subject: Postdoc Position, ICMC, Brazil POSTDOCTORAL RESEARCH ASSOCIATE, ICMC, Brazil The Institute for Mathematical and Computer Sciences (ICMC - http://www.icmc.usp.br/Portal/) of the University of São Paulo at São Carlos, São Paulo, Brazil, seeks to fill a Postdoctoral Research Associate position in Flows through Porous Media starting immediately with duration of one year with a possibility of extension for two years upon performance review. Requirements: PhD in Mathematics or closely related field and experience with code development in C++. Preference will be given to candidates with experience in the following topics: (i) Numerical methods for partial differential equations; (ii) High performance computing; (iii) Multiphase flow simulations in porous media; (iv) Computational fluid dynamics. Applicants should provide a letter of intention, a curriculum vitae and three letters of recommendation to Professor José Alberto Cuminato ([log in to unmask]). Review of applicants will begin immediately and will continue until the position is filled. ------------------------------------------------------- From: Matt Hopkins [log in to unmask] Date: December 09, 2014 Subject: Postdoc Positions, Computational Plasmas, Sandia Labs Sandia National Laboratories has multiple openings for postdoctoral positions in the general area of kinetic plasma simulation. Positions cover the spectrum from algorithm development on heterogeneous architectures to employing plasma simulation tools as instruments of scientific inquiry. The methodologies are primarily collisional kinetic descriptions. We employ a number of coupled approaches incorporating particle-in-cell (PIC) techniques with collisional approaches such as Direct Simulation Monte Carlo (DSMC). Our applications are often complex and three-dimensional, requiring the use of unstructured meshes on massively parallel platforms. We are interested in both electrostatic and electromagnetic descriptions. Physical processes of interest include discharge phenomena (e.g., vacuum arcs, glow discharge, microscale breakdown), plasma shock events (e.g., laser-supported detonation or laser-induced breakdown spectroscopy), and basic plasma science such as sheath structure and evolution. Our plasma modeling community has diverse goals and interests ranging from basic research to applications impacting national security. We regularly employ multiple postdocs and students and provide an exciting and engaging environment. If interested, please contact one or more of: Matt Hopkins ([log in to unmask]) Matt Bettencourt ([log in to unmask]) Chris Moore ([log in to unmask]) ------------------------------------------------------- From: Ron Boisvert [log in to unmask] Date: December 08, 2014 Subject: Postdoc Positions, NIST The US National Research Council (NRC) Associateship Program is accepting applications for two-year appointments for postdoctoral research at the National Institute of Standards and Technology (NIST) in Gaithersburg, Maryland and Boulder, Colorado. Among the topic areas of interest are mathematical modeling, finite elements, dynamical systems, combinatorial and discrete algorithms, applied optimization and control, visualization, parallel/distributed computing, and verification, validation, and uncertainty quantification in scientific computing. Of particular interest are applications in materials science, electromagnetics, optoelectronics, physics, network science, quantum information, and computer security. For details see http://www.nist.gov/itl/math/mcsd-postdoctoral-opportunities.cfm Competition for postdoctoral awards across all NIST technical program areas is managed by the NRC. Applications must be submitted directly to the NRC; the deadline for applications is February 1. (An additional competition is held in the summer, with an application deadline of August 1.) Note that the NRC program at NIST is restricted to US citizens. ------------------------------------------------------- From: Raimund Bürger [log in to unmask] Date: December 15, 2014 Subject: Postdoc Positions, Numerical Analysis, Chile The Research Team project ACT 1118 on Numerical Analysis of Partial Differential Equations, a three-year project financed by CONICYT (Chile), is offering two postdoctoral positions at Universidad de Concepcion or Pontificia Universidad Catolica de Chile. Applications are sought in all areas related to Numerical Analysis of PDEs. Applicants should have finished their doctoral work not before 2011. Candidates are requested to submit a CV (including a list of publications), a research statement describing the intended postdoctoral work, and a letter of intent, which should include the desired period of appointment and an explicit statement of who should supervise the project. Applicants may optionally submit letters of recommendation. The positions are for one year and do not involve teaching duties. Positions are renewable for up to three years by application to the yearly FONDECYT postdoctoral research competition. Possibility to apply for national grants in case of a longer stay is also open. The positions are available from March 1, 2015; however there is some flexibility in starting appointments. The monthly salary is $1.456.000 before taxes (around US$ 2400). A flight ticket (round trip) will be covered. Additional funding for attending meetings and conferences within Chile is available. Applications should be submitted by e-mail before January 15, 2015 to Dr. Raimund Bürger, Director, Proyecto Anillo ACT 1118, Centro de Investigacion en Ingenieria Matematica, Universidad de Concepcion, Chile. E-mail: [log in to unmask] Further information is available here: http://www.ci2ma.udec.cl/postdoccall2015.pdf ------------------------------------------------------- From: Alexander Shapeev [log in to unmask] Date: December 10, 2014 Subject: Postdoc/PhD Positions, Multiscale Comput Methods, Skoltech, Moscow Several postdoctoral and PhD positions in the area of Multiscale and Multiphysics Computational Methods in a group led by Prof. Alexander Shapeev are available at the Skolkovo Institute of Science and Technology (Skoltech), Moscow, Russia. The main research focus will be in multiscale and multiphysics computational methods and numerical analysis with applications mainly in materials science. The positions are available immediately, and the starting date is negotiable. Applications will be accepted until the positions are filled. For full consideration, the applications must be received by January 20, 2015. Selected applicants will receive a highly competitive compensation package. Excellent travel and computing support will be provided. For further information please visit http://www.shapeev.com/openings.html or contact Alexander Shapeev at [log in to unmask] Skoltech is a unique new, private, English-speaking international university established in October 2011 in collaboration with MIT. ------------------------------------------------------- From: Markus Schmuck [log in to unmask] Date: December 15, 2014 Subject: PhD Position, Applied Maths, Maxwell Institute, HWU, Edinburgh The Maxwell Institute for Mathematical Sciences and the Department of Mathematics at Heriot-Watt University are looking for highly skilled PhD candidates for a prestigious James Watt scholarship available in the field of Complex and Strongly Heterogeneous Systems. Project title: Efficient and reliable, mathematical and computational framework for transport in complex multiphase materials forming strongly heterogeneous environments Some basic steps in the project: - The mathematically investigation and study of physical models for general Complex and Highly Heterogeneous Systems such as porous materials, batteries, fuel cells for instance. A central question is what is common in different heterogeneous systems and what is essentially different. - As heterogeneous systems generally induce high dimensional multiscale problems, we shall apply rigorous and systematic upscaling and asymptotic methodologies for the derivation of effective (lower dimensional) and reliable models. - The quality of these lower dimensional formulations shall then be analyzed by deriving error estimates which we shall also confirm computationally. - We shall compare the high dimensional formulation with the new effective formulation by computations in Matlab/Python for instance. - Finally, we shall analyze the reliability and efficiency of the new mathematical and computational framework with specific applications such as neurons (e.g. synapses), batteries, fuel cells, and porous materials for instance. Applications should be sent electronically in ONE PDF file (max. 5 MB) to Dr. Markus Schmuck, [log in to unmask] ------------------------------------------------------- From: Miguel A. Benítez [log in to unmask] Date: December 15, 2014 Subject: PhD Positions, BCAM The 18 research centres accredited with the Severo Ochoa seal of excellence have convoked the third edition of the “La Caixa” - Severo Ochoa International PhD Fellowships Programme. In the framework of this initiative funded by "la Caixa" Foundation, BCAM – Basque Center for Applied Mathematics, as a Severo Ochoa Centre has opened an international call for researchers, offering three-positions for a PhD Fellowships in the center Research Areas: http://www.bcamath.org/en/research/lines Applications must be submitted on-line at: http://www.bcamath.org/en/research/job Deadline for submission: March 30th 2015 The timeline should be the following: - The call deadline is on March 30th 2015 at 17:00 h. - The Committee will communicate the candidates selection before the end of May 2015. - The candidates should join the center in September/October 2015. We kindly ask you to distribute this call among colleagues and potential candidates. Please, do not hesitate to contact us for any additional information: [log in to unmask] ------------------------------------------------------- From: Bertram Düring [log in to unmask] Date: December 14, 2014 Subject: PhD Positions, Mathematics, Univ of Sussex, UK The Department of Mathematics at the University of Sussex is currently offering seven fully-funded PhD studentships. These studentships pay a tax-free bursary of £13863 per year, with fees waived, for 3.5 years and are available for UK and EU students. The department also hopes to offer a number of additional studentships for overseas students ('Chancellor's International Research Scholarship'). The increased investment and growth in scholarships reflects the department's recent growth in faculty and its continuing success in attracting funding from research councils, including the award of an EPSRC Doctoral Training Grant. For more information, visit http://www.sussex.ac.uk/study/money/scholarships/pgr2015/search?sent=1& level[]=4®ion[]=1®ion[]=2®ion[]=4&year_of_entry[]=2015&subject[PG][]=1665 or http://tinyurl.com/leap9xn ------------------------------------------------------- From: Axel Ruhe [log in to unmask] Date: December 16, 2014 Subject: Contents, BIT Numerical Mathematics, 54 (4) BIT NUMERICAL MATHEMATICS Volume 54 · Number 4 · December 2014 Preface to BIT 54:4, A. Ruhe Error estimation based on locally weighted defect for boundary value problems in second order ordinary differential equations, W. Auzinger · O. Koch · A. Saboor Bagherzadeh Sparsity of Runge–Kutta convolution weights for the three-dimensional wave equation, L. Banjai · M. Kachanovska Fourier spectral methods for fractional-in-space reaction-diffusion equations, A. Bueno-Orovio · D. Kay · K. Burrage Dual Hermite subdivision schemes of de Rham-type, C. Conti · J.-L. Merrien · L. Romani On the solution of Fredholm integral equations based on spline quasi-interpolating projectors, C. Dagnino · S. Remogna · P. Sablonnière Stability analysis of the Crank–Nicolson-Leapfrog method with the Robert–Asselin–Williams time filter, N. Hurl · W. Layton · Y. Li · C. Trenchea Computable error estimates of a finite difference scheme for option pricing in exponential Lévy models, J. Kiessling · R. Tempone A stochastic exponential Euler scheme for simulation of stiff biochemical reaction systems, Y. Komori · K. Burrage Supercloseness of the mixed fi nite element method for the primary function on unstructured meshes and its applications, J. Ku Cubic spline quasi-interpolants on Powell–Sabin partitions, A. Lamnii · M. Lamnii · H. Mraoui A general framework for finding energy dissipative/conservative H1-Galerkin schemes and their underlying H1 -weak forms for nonlinear evolution equations, Y. Miyatake · T. Matsuo An algorithm for continuous piecewise linear bounding of discrete time series data, A. Skelton · A.R. Willms ------------------------------------------------------- End of Digest **************************