{"id":94,"date":"2025-10-05T00:59:19","date_gmt":"2025-10-04T22:59:19","guid":{"rendered":"https:\/\/project.inria.fr\/ranpdes\/?page_id=94"},"modified":"2026-03-30T13:16:53","modified_gmt":"2026-03-30T11:16:53","slug":"workshop-2026","status":"publish","type":"page","link":"https:\/\/project.inria.fr\/ranpdes\/workshop-2026\/","title":{"rendered":"Workshop 2026"},"content":{"rendered":"<h1><strong>Robust adaptivity for nonlinear partial differential equations<\/strong><\/h1>\n<h2><span style=\"color: red;\"><strong>Monday, March 23 &ndash; Wednesday, March 25, 2026<\/strong> <\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/photo-scaled.jpg\"><img decoding=\"async\" class=\"alignnone size-large wp-image-452\" src=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/photo-scaled.jpg\" alt=\"photo\" width=\"1200\" \/><\/a><\/p>\n<h2><strong>Main topics<\/strong><\/h2>\n<p>A\u00a0posteriori error e<span class=\"s1\">stimates and adaptivity for<\/span><\/p>\n<ul>\n<li>numerical discretizations of partial differential equations<\/li>\n<li>a posteriori error estimates<\/li>\n<li>iterative linearization<\/li>\n<li>linear algebraic solvers<\/li>\n<li>mesh and polynomial degree adaptivity<\/li>\n<li>stopping criteria, interplay of error components<\/li>\n<li>convergence and optimality with respect to computational cost<\/li>\n<li><em>h<\/em>&#8211; and <em>p<\/em>-robustness<\/li>\n<li>material properties robustness<\/li>\n<\/ul>\n<h2><strong>Speakers<\/strong><\/h2>\n<ul>\n<li><a href=\"https:\/\/www.igpm.rwth-aachen.de\/team\/bachmayr\">Markus Bachmayr<\/a> (RWTH Aachen)<\/li>\n<li><a href=\"https:\/\/lma-umr5142.univ-pau.fr\/fr\/organisation\/membres\/cv_-becker-fr.html\">Roland Becker<\/a> (Universit\u00e9 de Pau et des Pays de l&#8217;Adour)<\/li>\n<li><a href=\"https:\/\/imati.cnr.it\/mypage.php?idk=PG-66\">Silvia Bertoluzza<\/a> (Institute for applied mathematics and information technologies &#8220;Enrico Magenes&#8221;, Pavia)<\/li>\n<li><a href=\"https:\/\/tchaumont.github.io\/\">Th\u00e9ophile Chaumont-Frelet<\/a> (Inria Lille)<\/li>\n<li><a href=\"https:\/\/www.math.kit.edu\/ianm2\/~doerfler\/en\">Willy D\u00f6rfler<\/a> (Karlsruhe Institute of Technology)<\/li>\n<li><a href=\"https:\/\/pefarrell.org\/\">Patrick Farrell<\/a> (University of Oxford)<\/li>\n<li><a href=\"http:\/\/web.pdx.edu\/~gjay\/\">Jay Gopalakrishnan<\/a> (Portland State University)<\/li>\n<li><a href=\"https:\/\/appliedmath.brown.edu\/people\/johnny-guzman\">Johnny Guzm\u00e1n<\/a> (Brown University)<\/li>\n<li><a href=\"https:\/\/andreharnist.fr\/\">Andr\u00e9 Harnist<\/a> (Universit\u00e9 de Technologie de Compi\u00e8gne)<\/li>\n<li><a href=\"https:\/\/math.ethz.ch\/sam\/the-institute\/people\/ralf-hiptmair.html\">Ralf Hiptmair<\/a> (ETH Z\u00fcrich)<\/li>\n<li><a href=\"https:\/\/wwwold.mathematik.tu-dortmund.de\/lsx\/cms\/de\/mitarbeiter\/ckreuzer.html\">Christian Kreuzer<\/a> (TU Dortmund)<\/li>\n<li><a href=\"https:\/\/martinlicht.github.io\/\">Martin Licht<\/a> (TU Dresden)<\/li>\n<li><a href=\"https:\/\/scholar.google.com\/citations?user=wIT76W0AAAAJ&#038;hl=en\">Ani Mira\u00e7i<\/a> (Sorbonne Universit\u00e9)<\/li>\n<li><a href=\"https:\/\/sites.google.com\/view\/charlieparker2\">Charles Parker<\/a> (U.S. Naval Research Laboratory)<\/li>\n<li><a href=\"https:\/\/www.researchgate.net\/profile\/Clemens-Pechstein\">Clemens Pechstein<\/a> (Dassault Syst\u00e8mes Simulia)<\/li>\n<li><a href=\"https:\/\/www.asc.tuwien.ac.at\/~praetorius\/\">Dirk Praetorius<\/a> (Technische Universit\u00e4t Wien)<\/li>\n<li><a href=\"https:\/\/www.asc.tuwien.ac.at\/~schoeberl\/wiki\/index.php\/Joachim_Sch\u00f6berl\">Joachim Sch\u00f6berl<\/a> (Technische Universit\u00e4t Wien)<\/li>\n<li><a href=\"http:\/\/www.homepages.ucl.ac.uk\/~ucahism\/\">Iain Smears<\/a> (University College London)<\/li>\n<li><a href=\"http:\/\/www.cmap.polytechnique.fr\/~spillane\/\">Nicole Spillane<\/a> (Ecole Polytechnique)<\/li>\n<li><a href=\"https:\/\/www.uni-leipzig.de\/personenprofil\/mitarbeiter\/dr-johannes-storn\">Johannes Storn<\/a> (University of Leipzig)<\/li>\n<li><a href=\"https:\/\/staff.fnwi.uva.nl\/r.p.stevenson\/\">Rob Stevenson<\/a> (University of Amsterdam)<\/li>\n<li><a href=\"https:\/\/sites.unimi.it\/aveeser\/research.html\">Andreas Veeser<\/a> (Universit\u00e0 degli Studi di Milano)<\/li>\n<li><a href=\"https:\/\/www.math.cas.cz\/index.php\/members\/researcher\/63\">Tom\u00e1&scaron; Vejchodsk\u00fd<\/a> (Institute of Mathematics, Czech Academy of Sciences)<\/li>\n<li><a href=\"https:\/\/math-unibe.ch\/wihler\/\">Thomas Wihler<\/a> (Universit\u00e4t Bern)<\/li>\n<\/ul>\n<p><!--\n\n<li><a href=\"https:\/\/people.llnl.gov\/kolev1\">Tzanio Kolev<\/a> (Lawrence Livermore National Laboratory)<\/li>\n\n--><\/p>\n<h2><strong>Program<\/strong><\/h2>\n<div style=\"float: left;\">\n<table width=\"360\">\n<tbody>\n<tr>\n<td>\n<h3><strong>Monday, March 23<\/strong><\/h3>\n<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">09:00 \u2014 09:30 &nbsp; <strong>Welcome coffee<\/strong> <\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">09:30 \u2014 10:15 &nbsp; Willy D\u00f6rfler: <em>Adaptive timestepping and mesh refinement for the Landau-Lifschitz-Gilbert equation<\/em><a href=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/01_Doerfler.pdf\"> <img decoding=\"async\" src=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/pdficon.png\" width=\"35pt\" align=top border=0 alt=\"PDF icon\"> <\/a> <\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">10:15 \u2014 11:00 &nbsp; Rob Stevenson: <em>A time-space adaptive solver of quasi-linear parabolic PDEs<\/em> <a href=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/02_Stevenson.pdf\"> <img decoding=\"async\" src=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/pdficon.png\" width=\"35pt\" align=top border=0 alt=\"PDF icon\"> <\/a><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">11:00 \u2014 11:30 &nbsp; <strong>Coffee break<\/strong> <\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">11:30 \u2014 12:15 &nbsp; Jay Gopalakrishnan: <em>Adaptivity for nonselfadjoint eigenmodes of optical fibers<\/em><a href=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/03_Gopalakrishnan_red.pdf\"> <img decoding=\"async\" src=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/pdficon.png\" width=\"35pt\" align=top border=0 alt=\"PDF icon\"> <\/a><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">12:15 \u2014 13:00 &nbsp; Patrick Farrell: <em>Computing multiple solutions of nonlinear problems with deflation<\/em><a href=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/04_Farrell_red.pdf\"> <img decoding=\"async\" src=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/pdficon.png\" width=\"35pt\" align=top border=0 alt=\"PDF icon\"> <\/a><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">13:00 \u2014 14:30 &nbsp; <strong>Lunch<\/strong> <\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">14:30 \u2014 15:15 &nbsp; Silvia Bertoluzza: <em>hp virtual elements on approximated domains<\/em><a href=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/05_Bertoluzza_red.pdf\"> <img decoding=\"async\" src=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/pdficon.png\" width=\"35pt\" align=top border=0 alt=\"PDF icon\"> <\/a><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">15:15 \u2014 16:00 &nbsp; Th\u00e9ophile Chaumont-Frelet: <em>A posteriori error estimation and adaptivity for the finite element discretization of second-order PDE problems set in unbounded domains<\/em><a href=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/06_ChaumontFrelet.pdf\"> <img decoding=\"async\" src=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/pdficon.png\" width=\"35pt\" align=top border=0 alt=\"PDF icon\"> <\/a><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">16:00 \u2014 16:30 &nbsp; <strong>Tea break<\/strong> <\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">16:30 \u2014 17:15 &nbsp; Dirk Praetorius: <em>Optimal interplay of adaptive mesh-refinement and iterative solvers for nonlinear elliptic PDEs<\/em><a href=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/07_Praetorius.pdf\"> <img decoding=\"async\" src=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/pdficon.png\" width=\"35pt\" align=top border=0 alt=\"PDF icon\"> <\/a><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">17:15 \u2014 18:00 &nbsp; Ani Mira\u00e7i: <em>AFEM with optimally preconditioned GMRES<\/em><a href=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/08_Miraci.pdf\"> <img decoding=\"async\" src=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/pdficon.png\" width=\"35pt\" align=top border=0 alt=\"PDF icon\"> <\/a><\/td>\n<\/tr>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">18:00 \u2014 18:45 &nbsp; Thomas Wihler: <em>Weak convergence of iteration schemes<\/em><a href=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/09_Wihler.pdf\"> <img decoding=\"async\" src=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/pdficon.png\" width=\"35pt\" align=top border=0 alt=\"PDF icon\"> <\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div style=\"float: left;\">\n<table width=\"360\">\n<tbody>\n<tr>\n<td>\n<h3><strong>Tuesday, March 24<\/strong><\/h3>\n<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">08:45 \u2014 09:30 &nbsp; Johnny Guzm\u00e1n: <em>Bounded commuting projections preserving discrete boundary data<\/em><a href=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/01_Guzman.pdf\"> <img decoding=\"async\" src=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/pdficon.png\" width=\"35pt\" align=top border=0 alt=\"PDF icon\"> <\/a><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">09:30 \u2014 10:15 &nbsp; Charles Parker: <em>Are \u201clocking-free\u201d plate elements actually locking-free?<\/em><a href=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/02_Parker.pdf\"> <img decoding=\"async\" src=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/pdficon.png\" width=\"35pt\" align=top border=0 alt=\"PDF icon\"> <\/a><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">10:15 \u2014 11:00 &nbsp; Joachim Sch\u00f6berl: <em>Matrix-valued finite elements for solids, shells and fluid dynamics<\/em><a href=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/03_Schoeberl.pdf\"> <img decoding=\"async\" src=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/pdficon.png\" width=\"35pt\" align=top border=0 alt=\"PDF icon\"> <\/a><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">11:00 \u2014 11:30 &nbsp; <strong>Coffee break<\/strong> <\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">11:30 \u2014 12:15 &nbsp; Iain Smears: <em>Mean field games with nondifferentiable Hamiltonians<\/em><a href=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/04_Smears.pdf\"> <img decoding=\"async\" src=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/pdficon.png\" width=\"35pt\" align=top border=0 alt=\"PDF icon\"> <\/a><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">12:15 \u2014 13:00 &nbsp; Clemens Pechstein: <em>Partial inductance<\/em>&nbsp;&nbsp;&nbsp;Please <a href=\"mailto:Clemens.PECHSTEIN@3ds.com\">e-mail<\/a> for slides<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">13:00 \u2014 14:30 &nbsp; <strong>Lunch<\/strong> <\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">14:30 \u2014 15:15 &nbsp; Johannes Storn: <em>Guaranteed upper bounds for iteration errors and modified Kacanov schemes via discrete duality<\/em><a href=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/06_Storn.pdf\"> <img decoding=\"async\" src=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/pdficon.png\" width=\"35pt\" align=top border=0 alt=\"PDF icon\"> <\/a><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">15:15 \u2014 16:00 &nbsp; Nicole Spillane: <em>Weighted GMRES accelerated by preconditioning and deflation<\/em><a href=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/07_Spillane.pdf\"> <img decoding=\"async\" src=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/pdficon.png\" width=\"35pt\" align=top border=0 alt=\"PDF icon\"> <\/a><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">16:00 \u2014 17:00 &nbsp; <strong>Tea break and <span style=\"color: red;\">poster session<\/span><\/strong> <\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">17:00 \u2014 17:45 &nbsp; Tom\u00e1&scaron; Vejchodsk\u00fd: <em>On the analysis of Nitsche\u2019s method for immersed boundary finite elements<\/em><a href=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/08_Vejchodsky.pdf\"> <img decoding=\"async\" src=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/pdficon.png\" width=\"35pt\" align=top border=0 alt=\"PDF icon\"> <\/a><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">17:45 \u2014 18:00 &nbsp; Dario Ferloni: <em>Optimal complexity of adaptive FEM for second-order linear elliptic PDEs driven by non-residual estimators<\/em><a href=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/09_Ferloni.pdf\"> <img decoding=\"async\" src=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/pdficon.png\" width=\"35pt\" align=top border=0 alt=\"PDF icon\"> <\/a><\/td>\n<\/tr>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">18:00 \u2014 18:30 &nbsp; Benjamin Zurich &#038; Lukas Renelt: <em>Optimal contraction of the energy difference for strongly monotone problems<\/em><a href=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/10_Zurich_Renelt.pdf\"> <img decoding=\"async\" src=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/pdficon.png\" width=\"35pt\" align=top border=0 alt=\"PDF icon\"> <\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div style=\"float: left;\">\n<table width=\"360\">\n<tbody>\n<tr>\n<td>\n<h3><strong>Wednesday, March 25<\/strong><\/h3>\n<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">08:45 \u2014 09:30 &nbsp; Markus Bachmayr: <em>Space-time adaptivity for a class of poroviscoelastic flows<\/em><a href=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/01_Bachmayr_red.pdf\"> <img decoding=\"async\" src=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/pdficon.png\" width=\"35pt\" align=top border=0 alt=\"PDF icon\"> <\/a><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">09:30 \u2014 10:15 &nbsp; Roland Becker: <em>A Newton method on subspaces for ODEs<\/em><a href=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/02_Becker.pdf\"> <img decoding=\"async\" src=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/pdficon.png\" width=\"35pt\" align=top border=0 alt=\"PDF icon\"> <\/a><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">10:15 \u2014 11:00 &nbsp; Andreas Veeser: <em>Petrov-Galerkin estimates for globally well-posed nonlinear problems<\/em><a href=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/03_Veeser.pdf\"> <img decoding=\"async\" src=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/pdficon.png\" width=\"35pt\" align=top border=0 alt=\"PDF icon\"> <\/a><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">11:00 \u2014 11:30 &nbsp; <strong>Coffee break<\/strong> <\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">11:30 \u2014 12:15 &nbsp; Christian Kreuzer: <em>Pressure robust discretisations of the nonlinear Stokes equations<\/em><a href=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/04_Kreuzer.pdf\"> <img decoding=\"async\" src=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/pdficon.png\" width=\"35pt\" align=top border=0 alt=\"PDF icon\"> <\/a><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">12:15 \u2014 13:00 &nbsp; Andr\u00e9 Harnist: <em>Robust augmented energy and norm a posteriori estimates for nonlinear elliptic problems<\/em><a href=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/05_Harnist.pdf\"> <img decoding=\"async\" src=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/pdficon.png\" width=\"35pt\" align=top border=0 alt=\"PDF icon\"> <\/a><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">13:00 \u2014 14:30 &nbsp; <strong>Lunch<\/strong> <\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">14:30 \u2014 15:15 &nbsp; Martin Licht: <em>De Rham complexes for nonlinear Hodge-Laplacians<\/em><a href=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/06_Licht.pdf\"> <img decoding=\"async\" src=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/pdficon.png\" width=\"35pt\" align=top border=0 alt=\"PDF icon\"> <\/a><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">15:15 \u2014 16:00 &nbsp; Ralf Hiptmair: <em>FEEC in Flow: Transport of Differential Forms<\/em><a href=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/07_Hiptmair.pdf\"> <img decoding=\"async\" src=\"https:\/\/project.inria.fr\/ranpdes\/files\/2026\/03\/pdficon.png\" width=\"35pt\" align=top border=0 alt=\"PDF icon\"> <\/a><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px;\">16:00 \u2014 16:30 &nbsp; <strong>Farewell tea<\/strong> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div style=\"clear: both; height: 1px;\"><\/div>\n<div style=\"clear: both; height: 1px;\"><\/div>\n<h2><span style=\"font-size: 24pt;\"><strong><a href=\"https:\/\/project.inria.fr\/ranpdes\/files\/2025\/12\/poster-1.pdf\">Poster<\/a><\/strong><\/span><\/h2>\n<p><a href=\"https:\/\/project.inria.fr\/ranpdes\/files\/2025\/12\/poster-1.pdf\"><img decoding=\"async\" class=\"alignnone size-large wp-image-452\" src=\"https:\/\/project.inria.fr\/ranpdes\/files\/2025\/12\/poster-1.png\" alt=\"poster\" width=\"248\" \/><\/a><\/p>\n<p><strong>Organisers<\/strong>: <a href=\"https:\/\/ins.uni-bonn.de\/staff\/gantner\">Gregor Gantner<\/a> (University of Bonn), <a href=\"https:\/\/lrenelt.github.io\/\">Lukas Renelt<\/a> (Inria Paris), <a href=\"https:\/\/who.rocq.inria.fr\/Martin.Vohralik\/\">Martin Vohral\u00edk<\/a> (Inria Paris), and <a href=\"https:\/\/bzurich.github.io\/\">Benjamin Zurich<\/a> (Inria Paris),<\/p>\n<h2><strong>Registration<\/strong><\/h2>\n<p>Open for participation to the talks and discussions, no workshop fee. However, registration via e-mail to <a href=\"mailto:apost2026@inria.fr\">apost2026@inria.fr<\/a> is compulsory; please state your name and institution. Registration also provides access to the coffee breaks.<\/p>\n<h2><strong>Participation in person<\/strong><\/h2>\n<p>For details on how to reach Inria Paris, see <a href=\"https:\/\/www.inria.fr\/en\/how-reach-us\">here<\/a>; it is situated in the 13th arrondissement, near rue de Tolbiac.<br \/>\nThe workshop will take place in the Jacques-Louis Lions auditorium, ground floor. <span style=\"color: red;\"><strong>***Please remember to bring your personal ID.***<\/strong><\/span> <\/p>\n<h2><strong>Participation online<\/strong><\/h2>\n<p>The workshop will also be streamed online. The registered participants will receive instructions by e-mail.<\/p>\n<p><!--ID is required to gain access to the Inria building. To enter the building, you can exchange your ID for a visitors' badge at the reception desk. Your ID will be given back to you once you return the visitors' badge on leaving the building.--><\/p>\n<p><em>Last updated: March 27, 2026<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Robust adaptivity for nonlinear partial differential equations Monday, March 23 &ndash; Wednesday, March 25, 2026 &nbsp; Main topics A\u00a0posteriori error estimates and adaptivity for numerical discretizations of partial differential equations a posteriori error estimates iterative linearization linear algebraic solvers mesh and polynomial degree adaptivity stopping criteria, interplay of error components\u2026<\/p>\n<p> <a class=\"continue-reading-link\" href=\"https:\/\/project.inria.fr\/ranpdes\/workshop-2026\/\"><span>Continue reading<\/span><i class=\"crycon-right-dir\"><\/i><\/a> <\/p>\n","protected":false},"author":932,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-94","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/project.inria.fr\/ranpdes\/wp-json\/wp\/v2\/pages\/94","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/project.inria.fr\/ranpdes\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/project.inria.fr\/ranpdes\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/project.inria.fr\/ranpdes\/wp-json\/wp\/v2\/users\/932"}],"replies":[{"embeddable":true,"href":"https:\/\/project.inria.fr\/ranpdes\/wp-json\/wp\/v2\/comments?post=94"}],"version-history":[{"count":93,"href":"https:\/\/project.inria.fr\/ranpdes\/wp-json\/wp\/v2\/pages\/94\/revisions"}],"predecessor-version":[{"id":278,"href":"https:\/\/project.inria.fr\/ranpdes\/wp-json\/wp\/v2\/pages\/94\/revisions\/278"}],"wp:attachment":[{"href":"https:\/\/project.inria.fr\/ranpdes\/wp-json\/wp\/v2\/media?parent=94"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}