[External Email] Subject: NA Digest, V. 20, # 18 NA Digest Sunday, May 10, 2020 Volume 20 : Issue 18 Today's Editor: Daniel M. Dunlavy Sandia National Labs [log in to unmask] Today's Topics: Simulation software Siconos release 4.3.0 is out New Book, Algorithms from THE BOOK New Book, Solving Problems in Multiply Connected Domains Data Scientist/Applied Mathematician Position Research Assistant Position, Numerical Fluid Dynamics, Univ Bayreuth Postdoc Position, Computational Mathematics, RWTH Aachen Postdoc Positions, Computational Science, UT Austin PhD/Postdoc Position, Simulation-based design optimization, HSU Hamburg, Germany PhD Position, Optimisation, Humboldt Univ Berlin PhD Positions, Applied Mathematics and Stochastics Contents, Evolution Equations & Control Theory, 9 (2) Contents, Mathematics and Computer Science, 15 (3) Subscribe, unsubscribe, change address, or for na-digest archives: http://www.netlib.org/na-digest-html/faq.html Submissions for NA Digest: http://icl.utk.edu/na-digest/ ------------------------------------------------------- From: Vincent Acary [log in to unmask] Date: May 05, 2020 Subject: Simulation software Siconos release 4.3.0 is out A brand new Siconos 4.3.0 release is out !! http://siconos.gforge.inria.fr Siconos is an open-source scientific software primarily targeted at modeling and simulating nonsmooth dynamical systems in C++ and in Python: - Mechanical systems (rigid or solid) with unilateral contact and Coulomb friction and impact (nonsmooth mechanics, contact dynamics, multibody systems dynamics or granular materials). - Switched Electrical Circuit such as electrical circuits with ideal and piecewise linear components: power converter, rectifier, Phase-Locked Loop (PLL) or Analog-to-Digital converter. - Sliding mode control systems. - Biology (Gene regulatory network). Other applications are found in Systems and Control (hybrid systems, differential inclusions, optimal control with state constraints), Optimization (Complementarity systems and Variational inequalities), Fluid Mechanics, and Computer Graphics. The source code (zip and tar.gz) can be found on github : https://github.com/siconos/siconos/releases We are now working on the release candidate 4.4.0.rc that can be forked from our github repo master branch. Binary packages of the 4.2.0 for linuxes for Debian bullseye (testing) are available here: https://packages.debian.org/source/bullseye/siconos The new version 4.3.0 will be available soon. We have also improved our documentation at http://siconos.gforge.inria.fr even if it still lacks some polish. We have also started to feed our YouTube channel, https://www.youtube.com/channel/UCgv2siTCJeSdWFPTDk71Iyw So, if you have any nice applications made with Siconos, please do not hesitate to contribute. We are interested in showcasing Siconos at work! For discussions, use the siconos-users mailing list ------------------------------------------------------- From: Kris ONeill [log in to unmask] Date: May 04, 2020 Subject: New Book, Algorithms from THE BOOK Algorithms from THE BOOK by Kenneth Lange This text cuts across discipline boundaries to highlight some of the most famous and successful algorithms. Readers are given a close look at some basic algorithms to help them understand both how these algorithms operate and how one can assemble complex algorithms from simpler building blocks. Most of the algorithm descriptions are accompanied by Julia code, an ideal language for scientific computing. This code is immediately available for experimentation. Written in clear, instructive prose consistent with mathematical rigor, Algorithms from THE BOOK includes a large number of classroom-tested exercises and background reading material. 2020 / xiii + 214 pages / Softcover / 978-1-611976-16-8 / List $69.00 / SIAM Member $48.30 / OT168 Book details: https://my.siam.org/Store/Product/viewproduct/?ProductId=31624737 ------------------------------------------------------- From: Kamryn Scrivens [log in to unmask] Date: May 04, 2020 Subject: New Book, Solving Problems in Multiply Connected Domains Solving Problems in Multiply Connected Domains, by Darren Crowdy This book describes a novel mathematical framework for solving problems in two-dimensional, multiply connected regions. The framework is built on a central theoretical concept: the prime function, whose significance for the applied sciences, especially for solving problems in multiply connected domains, has been missed until recent work by the author. Link to book: https://bookstore.siam.org/cb97 Browse more SIAM books by visiting: https://bookstore.siam.org ------------------------------------------------------- From: Ramakanth Munipalli [log in to unmask] Date: May 05, 2020 Subject: Data Scientist/Applied Mathematician Position This position will offer an opportunity to apply state of the art methods in model reduction and machine learning to practical problems in aerospace propulsion. Work involves developing and deploying numerical algorithms and computer codes which interface with high fidelity numerical simulations as well as experiments. The successful applicant will work in a team of researchers investigating unsteady combustion phenomena, and interact with experts from academia and industry. Research will lead to procedures and publications that can be very influential in the field. Must be a US citizen Must be able to pass a background check Minimum Education: Ph.D. in Applied Mathematics or Engineering Experience/ Training: Must have a strong background in Numerical Methods, and one or more of (a) Galerkin-projection based reduced order models, (b) Machine learning, data driven computing, (c) Data assimilation and time series analysis, (d) Convex optimization. Desirable: Background in turbulent fluid flow computation, linear algebra, statistics, functional analysis Primary Location: United States, Edwards AFB Please apply via: https://www.linkedin.com/jobs/view/1851207956 or https://california.jobing.com/jacobs-studio/data-scientistapplied-mathematician ------------------------------------------------------- From: Christa Reimer [log in to unmask] Date: May 08, 2020 Subject: Research Assistant Position, Numerical Fluid Dynamics, Univ Bayreuth Topics: - PDE based data assimilation and model reduction of turbulent flow - Adjoint based Identification of Network Flow, Model Reduction and Sensitivity Analysis The major topic is data assimilation of a compressible jet flow and aeroacoustics. Applications are in explosive volcanic, impinging jet cooling and loss-of-vaccum- events in fusion reactors. The candidate is required to have a sound working knowledge in numerical methods. Knowledge in adjoint methods and skills in experimental fluid mechanics would be an advantage. Prerequisits: - Master or equivalent with specialisation in numerical analysis, numerical fluid mechanics, scientific computing or related, issued by a top International University. - excellent mathematical skills are essential - experience with at least one of the following topics (in this order): data assimilation, adjoint methods, critical transitions of dynamical systems, nonlinear stability analysis, or development of (or substantial contribution to) a compressible DNS code for turbulent flows. - experience in the use of a programming language: e.g. Fortran, C, Python, Matlab, Julia - fluency in English - basic German language skills and willingness to achieve a "Goethe-Zertifikat C1" within six months of employment. Teaching obligations: 5h/week during the semester. Salary level: TV-L E13. Start date: Immediately For further scientific (!) information regarding the positions contact [log in to unmask] Administrative questions or applications with cover letter stating your strenghts in one of the above fields, CV, (master-)diploma, grade sheets and contact information of three possible referees can be addressed to [log in to unmask] Please send your application as ONE pdf. ------------------------------------------------------- From: Benjamin Stamm [log in to unmask] Date: May 06, 2020 Subject: Postdoc Position, Computational Mathematics, RWTH Aachen The group of Computational Mathematics [1] at the Center for Computational Engineering Science at RWTH Aachen University invites applicants for a Postdoc position (100% TVL-E13 at the German salary scale, initially for 2 years and renewable to three years in total) in the area of computational mathematics and computational chemistry. The group develops new methods for problems arising in theoretical chemistry, physics and material science with focus on a solid mathematical framework, but many projects of the group are interdisciplinary such as the project associated to the current opening. For this project, a PhD in applied mathematics or computational chemistry is expected. Excellent knowledge in computational mathematics/scientific computing and/or theoretical chemistry as well as advanced programming skills are expected. Please send the application including the CV and a statement of motivation to [log in to unmask] Please contact Prof. Dr. B. Stamm ([log in to unmask]) if you have further questions. RWTH Aachen University particularly welcomes and encourages applications from women, disabled people and ethnic minority groups. [1]: http://www.mathcces.rwth-aachen.de/5people/stamm/start ------------------------------------------------------- From: George Biros [log in to unmask] Date: May 06, 2020 Subject: Postdoc Positions, Computational Science, UT Austin The Center for Predictive Engineering and Computational Sciences in the Oden Institute for Computational Engineering and Sciences at the University of Texas at Austin is searching for Postdoctoral Scholars in a number of domains relevant to high fidelity simulation of inductively coupled plasma torches. Applicants with a strong background in any of the following areas are sought: turbulence modeling and simulation, plasma kinetics, finite element and spectral methods, uncertainty quantification, and exascale computing algorithms and technologies. Applicants must have a Doctorate in Science, Engineering, Computer Science, Computational Science, Applied Mathematics, or a related technical field. Candidates with prior software experience in large-scale parallel code development, MPI, C++, multi-threading, GPGPU programming, git revision control, and LaTeX are preferred. For more information about the project and team, visit pecos.oden.utexas.edu. To apply, please send a cover letter describing your interests, a CV, and a list of three references to [log in to unmask] ------------------------------------------------------- From: Kathrin Welker [log in to unmask] Date: May 07, 2020 Subject: PhD/Postdoc Position, Simulation-based design optimization, HSU Hamburg, Germany The Helmut-Schmidt-University / University of the Federal Armed Forces in Hamburg (Germany) offers a position as a Research Assistant (f/m/d) to be filled by either a PhD student or a post-doctoral researcher. The position is initially limited to 3 years and can be extended depending on performance. The successful candidate will be working in the the BWFG interdisciplinary research project "Simulation-based design optimization of dynamic systems under uncertainties" (principal investigator: Prof. Dr. Kathrin Welker, HSU Hamburg). The project is carried out in collaboration with research partners from the Department of Mechanical Engineering of the Technical University of Hamburg and from the Department of Mathematics from Hamburg University. The main aim of the project is to develop new innovative simulation methods for the robust optimization of complex components. By combining methods from applied mathematics and theoretical mechanical engineering, mathematical models, which involve dynamic operating conditions and uncertain manufacturing processes, will be developed. In particular, a robust design is important for maintenance-intensive and maintenance-free products from the Hamburg aviation and medical technology environment. For more information, see: https://bit.ly/3chEtgc Inquiries and applications (including at least a cover letter, CV, certificates of academic degrees and references for possible recommendation letters) should be directed by e-mail to Prof. Dr. Kathrin Welker ([log in to unmask]) by June 15, 2020. Late applications will be considered until the position is filled. ------------------------------------------------------- From: Axel Kroener [log in to unmask] Date: May 05, 2020 Subject: PhD Position, Optimisation, Humboldt Univ Berlin Applications are invited for a position in the research project 'Equilibria for Energy Markets with Transport'; the research will concentrate on modelling, analytic, optimisation and numerical aspects of generalised Nash equilibrium problems with partial differential equation constraints; tasks for own scientific qualification (doctorate). The position will be preliminarily limited until 31.12.2021. Requirements: A completed university degree in mathematics or a related discipline (preferably with very good results); knowledge of continuous optimisation and applied functional analysis; experience in the field of numerical and computer-aided implementation; a high proficiency in spoken and written English. Please send your application (including motivation letter, CV, and two reference letters) and quoting the reference number DR/081/20 to Humboldt-Universitat zu Berlin, Faculty of Mathematics and Natural Sciences, Department of Mathematics, Prof. Dr. Michael Hintermuller (located: Rudower Chaussee 25), Unter den Linden 6, 10099 Berlin, or preferably in electronic form to [log in to unmask] (cc to [log in to unmask]). For further information see: https://www.personalabteilung.hu-berlin.de/de/stellenausschreibungen. Deadline: June 6, 2020. ------------------------------------------------------- From: Gerlind Plonka-Hoch [log in to unmask] Date: May 07, 2020 Subject: PhD Positions, Applied Mathematics and Stochastics The Research Training Group RTG 2088 "Discovering Structure in Complex Data" at the Georg- August-University Goettingen offers two positions for Ph.D. candidates beginning a soon as possible. The salary is in accordance with the German public service salary scale (E13 TV-L) with 75 % for up to three years. The research projects in this RTG focus on new mathematical concepts in statistics, optimization, and inverse problems. Detailed information for the PhD positions can be found at https://www.uni-goettingen.de/de/305402.html?cid=100683 ------------------------------------------------------- From: lasiecka [log in to unmask] Date: May 04, 2020 Subject: Contents, Evolution Equations & Control Theory, 9 (2) Evolution Equations & Control Theory June 2020, Volume 9, Issue 2 On the three dimensional Kelvin-Voigt fluids: global solvability, exponential stability and exact controllability of Galerkin approximations, Manil T. Mohan Regularized solution for a biharmonic equation with discrete data, Tran Ngoc Thach, Nguyen Huy Tuan and Donal O'Regan Decay rates for second order evolution equations in Hilbert spaces with nonlinear time-dependent damping, Jun-Ren Luo and Ti-Jun Xiao Stochastic porous media equations with divergence Ito noise, Ioana Ciotir Null-controllability properties of a fractional wave equation with a memory term, Umberto Biccari and Mahamadi Warma Existence of mass-conserving weak solutions to the singular coagulation equation with multiple fragmentation, Prasanta Kumar Barik Moving and oblique observations of beams and plates, Philippe Jaming and Vilmos Komornik Robust attractors for a Kirchhoff-Boussinesq type equation, Zhijian Yang, Na Feng and Yanan Li On a Kirchhoff wave model with nonlocal nonlinear damping, Vando Narciso Uniform stabilization of a wave equation with partial Dirichlet delayed control, Xiaorui Wang and Genqi Xu Null controllability for a heat equation with dynamic boundary conditions and drift terms, Abdelaziz Khoutaibi and Lahcen Maniar On a backward problem for two-dimensional time fractional wave equation with discrete random data, Nguyen Huy Tuan, Tran Ngoc Thach and Yong Zhou Copyright 2020 American Institute of Mathematical Sciences ------------------------------------------------------- From: Badih Ghusayni [log in to unmask] Date: May 05, 2020 Subject: Contents, Mathematics and Computer Science, 15 (3) Contents, International Journal of Mathematics and Computer Science, Volume 15, no, 3 (Open Access): V. Skala, S. A. A. Karim, E. A. Kadir, Scientific Computing and Computer Graphics with GPU: Application of Projective Geometry and Principle of Duality. Walailuk Peanchai, Chawalit Boonpok, Chokchai Viriyapong, Weakly generalized closed sets in ideal topological spaces. Hasan A. Haidar, Mohammad N. Abdulrahim, On the Faithfulness of the Representations of the Extraspecial 2-Groups Sarhan Falah, Fairouz Sher Ali, Synchronization of Multiplicative Noise Dissipative Systems under Discretization. Thawatchai Khumprapussorn, On Beta-Absorbing Submodules. Prapart Pue-on, Chawalit Boonpok, B-closed sets in B-spaces. I Gede Tunas, Nadjadji Anwar, Umboro Lasminto, Sukandi Samatan, Derivation of Nondimensional Synthetic Unit Hydrograph of ITS-2 Using the 2-Parameter Gamma Distribution. Fawwaz Doujan Wrikat, On the Complements of Graphs. Fadi Alrimawi, Hani Kawariq, Fuad A. Abushaheen, Some Matrix and Norm Inequalities for Positive Definite Matrices. Ammar S. Issa, Maslina Darus, Generalized Complex Fractional Derivative and Integral operators for the Unified Class of Analytic Functions. Anusorn Simuen, Pattarawan Petchkaew, Ronnason Chinram, Generalized Subsemigroups and Fuzzy Subsemigroups in Semigroups. Khaled Mustafa Aljamal, Ahmad Termimi Ab Ghani, Khaled A. Al-Sharo, Finite groups in which maximal subgroups of Sylow p-subgroups are nearlyS-permutable. Patcharee Dunnimit, Araya Wiwatwanich, Duangkamol Poltem, Solutions of the Fractional Logistics Equations via the Residual Power Series Method with Adomian Polynomial. Cemil Tunc, A remark on the qualitative conditions of nonlinear IDEs. Krishna Kumar Sharma, Vikas Panwar, On Tetranacci Function and Tetranacci Numbers. M. Rezaul Hoque Khan, M. Ashraful Hoque, M. Taslim Reza, M. Saifur Rahman, Performance Analysis of MC-CDMA Based UWB System for Beyond 4G. O. F. Imaga, S. A. Iyase, S. A. Bishop, On the solvability of a third-order p-Laplacian m-point boundary value problem at resonance on the half- line with two dimensional kernel. Abdulrahman Balfaqih, Hailiza Kamarulhaili, New Result on Jesmanowicz' conjecture. ------------------------------------------------------- End of Digest **************************