From bounce-5363462-88629717@mm.list.cornell.edu Fri Jan 23 06:45:20 2026 From: "Alex John Townsend" Subject: NA Digest, V. 26, # 4 Date: Fri, 23 Jan 2026 06:41:13 -0500 NA Digest Friday, January 23, 2026 Volume 26 : Issue 4 Today's Editor: Alex Townsend Cornell University townsend@cornell.edu Today's Topics: Call for Nominations: 2026 Rising Stars in Computational & Data Sciences Call for submissions, HPSF Community Summit, Feb 2026 Call for Minisymposia, Wave-Ned 2026 - Deadline February 27th, 2026 Numerical Analysis at Sussex, Brighton, March 2026 Announcing Inaugural Midwest Randomized Linear Algebra Workshop, May 2026 Scholarships available at Numerical Methods for Random Differential Models, Switzerland, Jun 2026 NMSCAA'26, Sozopol, June 15-18 2026 Registration and call for papers. Saint-Girons V, June 29 - July 3, 2026 Summer school Surf 'n' NuRF, Gothenburg, Aug 2026 PhD student position in applied mathematics Postdoc position in DG/FEM for hypersonic flows, University of Nottingham, UK Postdoc position in scientific computing, Paris, France Postdoctoral Position in the Iris Runge Program Research engineer position in scientific computing, Paris, France Tenure Track Associate professor in optimization at University of Bergen, Norway Contents Mathematical Modelling and Analysis Vol 31 Issue 1 See this issue of NA Digest on the web at: https://na-digest.coecis.cornell.edu/na-digest-html/26/v26n4.html Submissions, FAQs, and archives: https://na-digest.coecis.cornell.edu/ ------------------------------------------------------- From: Jim Stewart jrstewa@sandia.gov Date: January 16, 2026 Subject: Call for Nominations: 2026 Rising Stars in Computational & Data Sciences We are seeking nominations for the 2026 Rising Stars in Computational & Data Sciences Workshop to be held April 7-8, 2026, at the Santa Fe Institute in Santa Fe, NM. Rising Stars is an intensive workshop for graduate students and postdocs who are interested in pursuing academic and research careers. Originally launched at MIT in 2012, Rising Stars events have been hosted in many different fields at institutions across the world. UT Austin's Oden Institute for Computational Engineering and Sciences, the Santa Fe Institute, and Los Alamos, Lawrence Livermore, and Sandia National Laboratories are proud to partner to host the seventh Rising Stars workshop in Computational and Data Sciences, with a focus on early career researchers in computational and data sciences. Previous workshops have been held in 2019 (Austin), 2020 (virtual), 2022 (Albuquerque), 2023 (Austin), 2024 (Austin), and 2025 (Austin). We invite nominations for outstanding candidates in their final year of PhD or within three years of having graduated and not yet in a tenure-track faculty or permanent staff position. Approximately 30 participants will be selected to come for two days of research presentations and interactive discussions about academic and research careers, with financial support for travel provided. Nominees are considered based on their technical merit, and their technical and service leadership. Nominations require (1) a letter of nomination and (2) the nominee's two-page resume. Nominations are due January 30, 2026 and should be submitted at: https://app.smartsheet.com/b/form/019b37488a617a64a42d102a41da308e For questions, please see our FAQS linked on our website (https://risingstars.oden.utexas.edu) or contact the Rising Stars Administrator at rs_admin@oden.utexas.edu. ------------------------------------------------------- From: Matthias Mayr matthias.mayr@unibw.de Date: January 19, 2026 Subject: Call for submissions, HPSF Community Summit, Feb 2026 The HPSF Community Summit 2026 will be held on February 25-27, 2026 at the Technical University of Braunschweig (Germany). The High Performance Software Foundation (HPSF, https://hpsf.io) is an open, community-driven foundation that supports the development, sustainability, and adoption of high-quality open-source software for high-performance scientific computing. The HPSF Community Summit is a European forum for researchers, developers, and users of high-performance software from academia, industry, and research laboratories. The on-site event aims to foster technical exchange, strengthen open-source communities, and discuss future directions in high-performance scientific software. It features dedicated project sessions for Trilinos, Kokkos, Spack, Environment Modules, and AMReX/WarpX, as well as cross-cutting and community-oriented contributions. In addition, the program will feature contributed talks, poster sessions, and networking opportunities across application domains and software stacks. Call for Abstracts: ------------------ We invite the submission of abstracts for oral presentations and posters covering, but not limited to: - Project-specific contributions tailored to one of the dedicated HPSF project sessions - Cross-cutting topics involving multiple HPSF projects - High-performance software design and development - Algorithms and frameworks for scalable scientific computing - Application use cases, performance studies, and best practices - Software sustainability, interoperability, and community building Abstract submission deadline: 31 January 2026 Presentation length: 20 minutes (including discussion) Registration: ------------- Registration includes access to all sessions, coffee breaks, lunches, poster session refreshments, and the conference dinner. Reduced rates are available for students. Further details on abstract submission, registration, and the preliminary program are available at: https://events.academiccloud.de/event/143/ We look forward to welcoming you to Braunschweig for an engaging and productive community summit! Kind regards, Matthias Mayr (on behalf of the HPSF Community Summit 2026 organizing committee) ------------------------------------------------------- From: Carolina Urzúa-Torres c.a.urzuatorres@tudelft.nl Date: January 19, 2026 Subject: Call for Minisymposia, Wave-Ned 2026 - Deadline February 27th, 2026 Dear colleagues, The call for minisymposia proposals for the WAVE-NED Conference on Analysis, Modeling and Numerics of Waves, is still open. You can submit your proposals until February 27th, 2026. The WAVE-NED conference will take place at TU Delft (The Netherlands) from 26.08.2026 to 28.08.2026. Further details on registration, deadlines, and scientific program can be found on the conference website (https://www.tudelft.nl/evenementen/2026/ewi/ diam/wave-ned). The aim of this conference is to bring together mathematicians working on wave phenomena across a wide range of physical contexts. The goal is to foster interaction and knowledge exchange between experts in analysis, mathematical modeling, and numerical simulation of wave propagation. The meeting is organized under the umbrella of the 4TU.AMI Strategic Research Initiative WAVES NL: Advancing Mathematical Methods for Wave Phenomena. The program will feature several mini symposia as well as five plenary lectures by: Stéphanie Chaillat (ENSTA Paris) Barbara Kaltenbacher (University of Klagenfurt) Björn de Rijk (KIT) Euan Spence (University of Bath) Manuel Torrilhon (RWTH Aachen) With best regards, The WAVE-NED Organizing Committee Victorita Dolean, *Anna Geyer, Julian Koellermeier, Vanja Nikolić, Carlos Pérez Arancibia, Laura Scarabosio, *Carolina Urzúa-Torres. *local organizers ------------------------------------------------------- From: Thomas Sales t.p.sales@sussex.ac.uk Date: January 21, 2026 Subject: Numerical Analysis at Sussex, Brighton, March 2026 We will be hosting a meeting celebrating Numerical Analysis at Sussex, and are accepting registrations for participation. The meeting will take place from March 25th 2026 to March 27th 2026 at the University of Sussex, Brighton, UK. Confirmed plenary speakers include: - Ana Djurdjevac (Oxford) - Charles Elliott (Warwick) - Emmanuil Georgoulis (Heriot-Watt) - Erik Burman (UCL) - Iain Smears (UCL) - Irene Kyza (Heriot-Watt) - Natalia Kopteva (Limerick) - Tristan Pryer (Bath) We intend to have some talks by early career researchers, and should you wish to apply to speak, this can be indicated on the registration form. If you are interested in participating in this meeting, we invite you to complete the registration form on our website: https://www.maths.sussex.ac.uk/events/NASC2026/ There is no registration fee, but if you wish to have lunch provided there will be a fee to cover lunches. ------------------------------------------------------- From: Vivak Patel vivak.patel@wisc.edu Date: January 19, 2026 Subject: Announcing Inaugural Midwest Randomized Linear Algebra Workshop, May 2026 We are excited to announce the inaugural midwest randomized linear algebra workshop (https://confmeet.github.io/rla/) to be held on May 11 and 12, 2026 in Madison, Wisconsin, USA. Please visit the website for the aim of the workshop, agenda, speakers and interest form. We have a limited number of slots. So, if you are interested in joining the workshop, please complete the interest form on the website by Friday February 13, 2026 at 5pm CT. ------------------------------------------------------- From: Fabio Zoccolan fabio.zoccolan@epfl.ch Date: January 17, 2026 Subject: Scholarships available at Numerical Methods for Random Differential Models, Switzerland, Jun 2026 Following our previous announcement, we would like to share an update regarding the Summer School on "Numerical methods for random differential models" (NUMRAD26), which will take place at the Bernoulli Center at EPFL, Lausanne (Switzerland), from June 2 to 5, 2026. Thanks to the support of our sponsors (Bernoulli Center at EPFL, EDOC EPFL, the CSQI Chair, and the European Mathematical Society), we will offer a limited number of scholarships to cover accommodation costs for participants. - If you are applying to the summer school and would like to be considered for financial support, please indicate this explicitly in the application form. - If you have already submitted an application, you will automatically be considered for accommodation support. No further action is required. We are also pleased to announce the following list of confirmed speakers: - Mark Girolami (University of Cambridge, UK) - George Haller (ETH Zürich, Switzerland) - Benjamin Jourdain (École Nationale des Ponts et Chaussées, France) - Motonobu Kanagawa (EURECOM, France) - Damiano Lombardi (Inria, COMMEDIA, France) - Andrea Manzoni (Politecnico di Milano, Italy) - Anthony Nouy (Centrale Nantes - Nantes Université, France) - Christoph Reisinger (University of Oxford, UK) - Gianluigi Rozza (SISSA, Italy) - Agnès Sulem (Inria, MATHRISK, France) - Olivier Zahm (Inria, Laboratoire Jean Kuntzmann, France) For full details, please visit: https://numrad.epfl.ch Applications open until February 13, 2026: https://numrad.epfl.ch/registration/ Applicants will be informed of the admission and financial decision by email within three weeks after the application deadline. ------------------------------------------------------- From: Svetozar Margenov margenov@parallel.bas.bg Date: January 22, 2026 Subject: NMSCAA'26, Sozopol, June 15-18 2026 The fifth edition of the biannual International Conference on "Numerical Methods for Scientific Computations and Advanced Applications" (NMSCAA'26) will take place from June 15 to June 18, 2026, in Sozopol, Bulgaria: https://parallel.bas.bg/Conferences/nmscaa26/index.html The purpose of NMSCAA'26 is to bring together scientists in the field of numerical methods for scientific computations working with models in natural sciences and biomedical, environmental, and industrial applications, as well as developers of algorithms for modern high-performance computers. Specific topics of interest (but not limited to) are the following: Modeling, simulation and optimization; Multiscale and multiphysics problems; Robust iterative methods and sparse matrix computation; Fractional differential equations and non-local problems; Parallel numerical methods and scalable algorithms; Advanced applications in science and engineering. Conference chair: Svetozar Margenov Conference secretary: Silvia Grozdanova E-mail: nmscaa@parallel.bas.bg ------------------------------------------------------- From: Iain Duff duff@cerfacs.fr Date: January 22, 2026 Subject: Registration and call for papers. Saint-Girons V, June 29 - July 3, 2026 Registration and Call for Papers now open for Saint-Girons V, 29 June to 3 July 2026. For the meeting in Saint Girons from 29 June to 3 July 2026, registration and CFP is now open. Just click on the Registration tab on the website (www.saintgironsconference.eu) and it should be plain sailing from there! The website accessed from the Registration tab also has a submission page so you can submit abstracts for a talk or a poster although that can be done separately. If you are a student or have students who wish to apply for support that is also on the website. They need to submit a short but reasonably detailed letter of motivation before the end of March. Candidates will be notified whether their application is accepted around the middle of April. The list of hotels is also on the www.saintgironsconference.eu web (under Venue and Lodging). As in previous conferences in Saint Girons, there are a limited number of rooms in Saint Girons close to the conference, and you are strongly advised to move quickly to reserve accommodation. In some cases, our blocking of rooms for the conference may not continue after the end of this month! ------------------------------------------------------- From: Annika Lang annika.lang@chalmers.se Date: January 22, 2026 Subject: Summer school Surf 'n' NuRF, Gothenburg, Aug 2026 We are pleased to announce the upcoming summer school "Surf 'n' NuRF (Surfaces and Numerics of Random Fields)". The summer school is to take place between 24-28 August at the Department of Mathematical Sciences, Chalmers University of Technology. The main themes of the school will be random fields, numerical analysis of random fields and PDEs, and Riemannian geometry. The summer school will include three mini-courses on PDEs on manifolds, SFEM approximations on moving surfaces, and random field approximations and their statistics on surfaces which will be given by: Ana Djurdjevac (Oxford), Mike Pereira (Mines Paris - PSL University), Alexander Scheding (NTNU) (TBC). Participants of the summer school are encouraged to either give a talk or to present a poster. Participation to the summer school is free, but registration is mandatory by March 1 via the following link: https://www.chalmers.se/en/current/calendar/mv-summer-school-surfaces-and-numerics-of-random-fields/ There will be a limited amount of financial support for young researchers. Please consult the webpage for more information. Warmest regards, Annika Lang, Alexander Lewis, Björn Müller, Andrea Papini ------------------------------------------------------- From: Anders Logg logg@chalmers.se Date: January 20, 2026 Subject: PhD student position in applied mathematics I am recruiting a PhD student to the Department of Mathematical Sciences at Chalmers. The student will work at the Digital Twin Cities Centre (DTCC) on development and analysis of new methods for 3D city geometry reconstruction. Supervisor: Anders Logg Deadline: 23 Feb 2026 https://www.chalmers.se/en/about-chalmers/work-with-us/vacancies/? rmpage=job&rmjob=14476&rmlang=UK https://www.dtcc.chalmers.se/ ------------------------------------------------------- From: Luis Espath luis.espath@nottingham.ac.uk Date: January 17, 2026 Subject: Postdoc position in DG/FEM for hypersonic flows, University of Nottingham, UK We are looking for a researcher, whose expertise lies in Discontinuous Galerkin discretisations, compressible flows, and FEniCS/Firedrake/Dune, to work with Luis Espath & Prof Paul Houston jointly with Space Forge on the IAA-EPSRC funded Next-Generation Modelling of Aerodynamic Loads in Very Low Earth Orbits to Improve Reusable Space Vehicle Design project. The central aim of the project is to develop discontinuous Galerkin discretisations for a novel compressible continuum theory. ------------------------------------------------------- From: Pierre-Henri Tournier pierre-henri.tournier@sorbonne-universite.fr Date: January 23, 2026 Subject: Postdoc position in scientific computing, Paris, France This 2-year postdoctoral position in scientific computing is associated to the ERC Synergy project PSINumScat "Phase-space-inspired numerical methods for high-frequency wave scattering: from semiclassical analysis through numerical analysis to implementation" (https://psinumscat.com) The hired research engineer will work under the direction of the scientific computing team of Laboratoire Jacques-Louis Lions in Paris, in close collaboration with the researchers and post-doctoral fellows of the project at University of Bath and University College London, and will be tasked with developing and implementing new efficient numerical methods for high- frequency wave propagation problems in the finite element open-source software FreeFEM developed at Laboratoire Jacques Louis Lions. You can find more information about the position and apply at https://emploi.cnrs.fr/Offres/CDD/UMR7598-PIETOU-006/Default.aspx ------------------------------------------------------- From: Weierstrass Institute michelle.bolinger@wias-berlin.de Date: January 20, 2026 Subject: Postdoctoral Position in the Iris Runge Program Iris Runge Postdoctoral Program at WIAS: The program supports outstanding early‑career researchers who identify as women, offering a stimulating research environment to contribute to WIAS projects, build an independent research agenda, and increase international visibility. Appointments are aimed at excellent candidates from outside WIAS and are full‑time for an initial period of two years; a one‑year extension may be possible after a positive internal evaluation. More information: https://www.wias-berlin.de/about/GS/IRunge/postdoc/index.jsp and https://short.sg/j/62212469 ------------------------------------------------------- From: Pierre-Henri Tournier pierre-henri.tournier@sorbonne-universite.fr Date: January 23, 2026 Subject: Research engineer position in scientific computing, Paris, France This 2-year research engineer position in scientific computing is associated to the ERC Synergy project PSINumScat "Phase-space-inspired numerical methods for high-frequency wave scattering: from semiclassical analysis through numerical analysis to implementation" (https://psinumscat.com) The hired research engineer will work under the direction of the scientific computing team of Laboratoire Jacques-Louis Lions in Paris, in close collaboration with the researchers and post-doctoral fellows of the project at University of Bath and University College London, and will be tasked with developing and implementing new efficient numerical methods for high- frequency wave propagation problems in the finite element open-source software FreeFEM developed at Laboratoire Jacques Louis Lions. You can find more information about the position and apply at https://emploi.cnrs.fr/Offres/CDD/UMR7598-PIETOU-005/Default.aspx ------------------------------------------------------- From: Trond Steihaug trond.steihaug@ii.uib.no Date: January 19, 2026 Subject: Tenure Track Associate professor in optimization at University of Bergen, Norway There is a vacancy for a tenure track associate professor at the Department of Informatics within Optimization. This is a highly career- focused and attractive 6-year fixed term position, with a possible promotion to full professor at the end of this period. We are seeking a candidate with a strong research profile in combinatorial optimization who can contribute to excellence in both research and teaching. We are seeking candidates with solid theoretical backgrounds with a preference towards candidates with a track record including applied research towards energy systems, logistics, supply chain management, and/or applied artificial intelligence. For further information see https://www.jobbnorge.no/en/available-jobs/job/290869/tenure-track-associate-professor-in-optimization or contact Associate Professor Ahmad Hemmati, Department of Informatics, e- mail: Ahmad.Hemmati@uib.no or Head of Department, Department of Informatics, Inge Jonassen, email: Inge.Jonassen@uib.no ------------------------------------------------------- From: Raimonds Ciegis rc@vgtu.lt Date: January 23, 2026 Subject: Contents Mathematical Modelling and Analysis Vol 31 Issue 1 MATHEMATICAL MODELLING AND ANALYSIS The Baltic Journal on Mathematical Applications, Numerical Analysis and Differential Equations ISSN 1392-6292, ISSN 1648-3510 online, Electronical edition: http://mma.vgtu.lt Raimondas {\v{C}}iegis (Editor) Volume 31, Issue 1, 2026 (p.1-193) CONTENTS Geovan Campos, José A. Ferreira, Gonçalo Pena and Giuseppe Romanazzi A second order method for a drug release process defined by a differential Maxwell-Wiechert stress-strain relation 1-25 Aditya Kaushik, Shivani Jain and Manju Sharma A uniformly accurate hybrid difference approximation of a system of singularly perturbed reaction-diffusion equations with delay using grid equidistribution 26-46 El Mehdi Hassoune, Ahmed Jamea, Abdelghali Ammar and Adnane Kaddiri Study of a class of nonlinear heterogeneous diffusion with mixed phases under \boldmath{$L^{\infty}-$ data 47-62 Marius Grigaliūnas, Antanas Laurinčikas and Darius Šiaučiūnas On shifts of periodic zeta-function in short intervals 63-78 Hojjatollah Shokri Kaveh and Masoud Hajarian Variable \boldmath{$s$}-step CGNR method for solving the matrix equation \boldmath{$AXB=C$} arising in image processing 79-95 Joel Chaskalovic and Franck Assous On improved \boldmath{$P_1$}-interpolation error estimates in \boldmath{$W^{1,p}(0,1)$}: application to the finite element method 96-115 Lili Qi, Jian Liu and Khaled Kefi Weak solutions to degenerate \boldmath{$p(t)$}-Laplacian elliptic equations involving $(q,r(t))$ double phase Hardy terms 116-129 Vaclav Skala Analytical formulas for polynomial coefficients in radial basis function interpolation 130-148 Hanen Damak and Mohamed Ali Hammami Generalized practical stability of Hopfield-type neural networks differential equations 149-171 Igor Pa\v zanin and Francisco J. Su\'arez-Grau Analysis of the Darcy-Brinkman flow with viscous dissipation and non- homogeneous thermal boundary condition 172-193 ------------------------------------------------------- End of Digest **************************