Today: Sophie Morel (ENS Lyon / CNRS)
Calculating the (derived) deformation ring of the trivial representation of \(\mathbb{Z}/2\mathbb{Z}\) I.
Thursday, 29. October 2026, 10:15 in room no. WSC-N-U-3.05, campus Essen. Other events of the Mathematics Department.

Ivan Yotov (University of Pittsburgh)
Expanded mixed finite element methods for linear elasticity.
Friday, 30. October 2026, 10:15 in room no. WSC-O-4.65, campus Essen. Numerics Research Seminar.

Melanie Chantraine (Kompetenzzentrum ZFP Eupen)
Gemeinsam gegen Rechenschwäche: Eine qualitative Untersuchung zu pädagogischen Potenzialen und Grenzen des Co-Teaching in frühen Bildungssettings.
Monday, 02. November 2026, 16:45 in room no. WSC-S-U-2.01, campus Essen. Didactics of Mathematics Colloquium.

Sophie Morel (ENS Lyon / CNRS)
Calculating the (derived) deformation ring of the trivial representation of \(\mathbb{Z}/2\mathbb{Z}\) II.
Thursday, 05. November 2026, 10:15 in room no. WSC-N-U-3.05, campus Essen. Other events of the Mathematics Department.

Dr. Ramona Hagenkötter (Universität Duisburg-Essen)
Einblicke in das Forschungsprojekt „Mathematik be-greifen“.
Wednesday, 11. November 2026, 16:00 in room no. WSC-S-U-4.02, campus Essen.

Prof. Dr. Lukas Baumanns (Universität Duisburg-Essen)
Antrittsvorlesung: Musterfolgen im Blick – Wie Eye-Tracking mathematisches Verstehen in der Schuleingangsphase sichtbar macht.
Wednesday, 22. July 2026, 16:00 in room no. WSC-S-U-4.02, campus Essen.

Prof. Dr. Dominic Breit (Universität Duisburg-Essen)
Antrittsvorlesung: Analysis of fluid-structure interactions – linear elastic shells.
Wednesday, 08. July 2026, 16:00 in room no. WSC-S-U-4.02, campus Essen.

Prof. Dr. Victoria Hoskins (Universität Duisburg-Essen)
Antrittsvorlesung: Moduli of quiver representations with multiplicities.
Wednesday, 24. June 2026, 16:00 in room no. WSC-O-5.01, campus Essen.

Prof. Dr. Lisa Hartung (Johannes Gutenberg-Universität, Mainz)
Random graphs and Gaussian free fields.
Wednesday, 27. May 2026, 16:00 in room no. WSC-S-U-4.02, campus Essen.

Klaus Altmann (FU Berlin)
A Weil decoration on \(\mathbb{P}^4\) with 15,000 symmetries.
Thursday, 22. October 2026, 17:30 in room no. WSC-N-U-3.05, campus Essen.

Daniel Huybrechts (Universität Bonn)
(Projective) bundles on (K3) surfaces.
Thursday, 22. October 2026, 16:15 in room no. WSC-N-U-3.05, campus Essen.

David Ploog (University of Stavanger)
The heart fan of an abelian category.
Thursday, 22. October 2026, 14:15 in room no. WSC-N-U-3.05, campus Essen.

Julian Feuerpfeil (Milan/Besançon)
The Tame Fontaine-Mazur Conjecture, Linking Diagrams and Bockstein Spectral Sequences.
Thursday, 15. October 2026, 16:45 in room no. WSC-N-U-3.05, campus Essen.

Dario Weissmann (Madrid)
Distinguishing algebraic spaces from schemes.
Thursday, 23. July 2026, 16:45 in room no. WSC-N-U-3.05, campus Essen.

Gabriele Bogo (Bielefeld)
Curves in Hilbert modular varieties.
Thursday, 16. July 2026, 16:45 in room no. WSC-N-U-3.05, campus Essen.

Aryaman Patel (Saarbrücken)
The Hitchin morphism over higher-dimensional base manifolds.
Thursday, 09. July 2026, 16:45 in room no. WSC-N-U-3.05, campus Essen.

Joshua Jackson (Cambridge)
Towards a Harder-Narasimhan theory classifying singular curves.
Thursday, 02. July 2026, 16:45 in room no. WSC-N-U-3.05, campus Essen.

Baptiste Calmès (Lens)
Hermitian K-theory invariant by idempotent completion over CM fields.
Thursday, 25. June 2026, 16:45 in room no. WSC-N-U-3.05, campus Essen.

Ben Moonen (Nijmegen)
Bézout’s theorem for abelian varieties.
Thursday, 11. June 2026, 16:45 in room no. WSC-N-U-3.05, campus Essen.

Nicolas Dupré (Wuppertal)
Pro-\(p\) Iwahori—Hecke modules and singularity categories.
Thursday, 28. May 2026, 16:45 in room no. WSC-N-U-3.05, campus Essen.

Frank Gounelas (Bonn)
Universal Brauer-Severi Varieties.
Thursday, 21. May 2026, 16:45 in room no. WSC-N-U-3.05, campus Essen.

Luca Francone (Rome)
From reductive groups to quantum groups.
Thursday, 07. May 2026, 16:45 in room no. WSC-N-U-3.05, campus Essen.

Jelena Ivancic (MPI Bonn)
Infinitesimal characters for the completed cohomology for \(GL_n\) over CM fields.
Thursday, 30. April 2026, 16:45 in room no. WSC-N-U-3.05, campus Essen.

Marta Pieropan (Utrecht)
Campana points and firmaments.
Thursday, 16. April 2026, 16:45 in room no. WSC-N-U-3.05, campus Essen.

Britta Späth (Wuppertal)
The McKay conjecture 1971-2026.
Thursday, 05. February 2026, 16:45 in room no. WSC-N-U-3.05, campus Essen.

Mihai Pavel (Bukarest)
Generalized Bogomolov Inequalities.
Thursday, 29. January 2026, 16:45 in room no. WSC-N-U-3.05, campus Essen.

Timo Richarz (TU Darmstadt)
Towards moduli descriptions of local models.
Thursday, 22. January 2026, 16:45 in room no. WSC-N-U-3.05, campus Essen.

Christian Dahlhausen (Heidelberg)
Homotopy theory of rigid analytic varieties.
Thursday, 15. January 2026, 16:45 in room no. WSC-N-U-3.05, campus Essen.

Louis Dailly (Toulouse)
Uniformization of log Fano pairs and equality of Miyaoka—Yau.
Thursday, 08. January 2026, 16:45 in room no. WSC-N-U-3.05, campus Essen.

Prof. Dr. Markus Schütte, Judith Jung (Universität Hamburg, Universität zu Köln)
Mathematiklernen aus interaktionistischer Perspektive.
Monday, 07. December 2026, 16:45 in room no. WSC-S-U-2.01, campus Essen.

Dr. Kathrin Akinwunmi (Universität Münster)
Grundschulkinder erkunden strukturelle Eigenschaften von funktionalen Zusammenhängen.
Monday, 23. November 2026, 16:45 in room no. WSC-S-U-2.01, campus Essen.

Prof. Dr. Christiane Benz (PH Karlsruhe)
Mathematik entdecken mit Kindern und Erwachsenen in der MachmitWerkstatt MiniMa.
Monday, 16. November 2026, 16:45 in room no. WSC-S-U-2.01, campus Essen.

Melanie Chantraine (Kompetenzzentrum ZFP Eupen)
Gemeinsam gegen Rechenschwäche: Eine qualitative Untersuchung zu pädagogischen Potenzialen und Grenzen des Co-Teaching in frühen Bildungssettings.
Monday, 02. November 2026, 16:45 in room no. WSC-S-U-2.01, campus Essen.

Dr. Dinah Reuter (PH Freiburg)
Auf Struktursuche – algebraisches Denken in Fallstudien rekonstruieren.
Monday, 13. July 2026, 16:45 in room no. WSC-S-U-2.01, campus Essen.

Prof. Dr. Christiane Benz (PH Karlsruhe)
Mathematik entdecken mit Kindern und Erwachsenen in der MachmitWerkstatt MiniMa.
Monday, 29. June 2026, 16:45 in room no. WSC-S-U-2.01, campus Essen.

Dr. Franziska Strübbe (Bergische Universität Wuppertal)
Übergänge mathematisch begabter Kinder – Wie Transitionsverläufe (nicht) gelingen können.
Monday, 08. June 2026, 16:45 in room no. WSC-S-U-2.01, campus Essen.

Prof. Dr. Konrad Krainer (Alpen-Adria-Universität, Klagenfurt)
Warum man mehr über die Aus- und Fortbildenden im Bereich der Mathematikdidaktik wissen sollte.
Monday, 11. May 2026, 16:45 in room no. WSC-S-U-2.01, campus Essen.

Prof. Dr. Alison Clark-Wilson (University College London)
(Re)assessing mathematics education in the digital age.
Monday, 02. February 2026, 16:45 in room no. WSC-S-U-2.01, campus Essen.

Prof. Dr. Eva Müller-Hill (Universität zu Köln)
Mathematisches Erklären mit Beispielen – oder: Diagramme und Kausalität.
Monday, 26. January 2026, 16:45 in room no. WSC-S-U-2.01, campus Essen.

Prof. Dr. Miriam Lüken (Universität Bielefeld)
Schüler:innenfehler bei der schriftlichen Subtraktion – die Verfahren „Abziehen mit Entbündeln“ und „Ergänzen mit Erweitern“ im Vergleich.
Monday, 12. January 2026, 16:45 in room no. WSC-S-U-2.01, campus Essen.

Prof. Dr. Melih Turgut (Norwegian University of Science and Technology, Trondheim)
Computational Practices in School Mathematics: Insights from the Robot Emil Project and Teacher Challenges in Norway.
Monday, 05. January 2026, 16:45 in room no. WSC-S-U-2.01, campus Essen.

Ivan Yotov (University of Pittsburgh)
Expanded mixed finite element methods for linear elasticity.
Friday, 30. October 2026, 10:15 in room no. WSC-O-4.65, campus Essen.

Dr. Isabelle Noll (Universität Duisburg-Essen)
From Phase Transformations to Inherent Strains: Fidelity and Efficiency in Thermomechanical Modelling of PBF Processes.
Monday, 22. June 2026, 16:45 in room no. V15 R04 H25, campus Essen.

Prof. Dr.-Ing. Yao Shan (Tongji University, Shanghai)
Modeling of dynamic issues of high-speed railway subgrade.
Monday, 22. June 2026, 16:00 in room no. V15 R04 H25, campus Essen.

Tara Trauthwein (Universität Münster)
Quantitative Central Limit Theorems for Poisson Point Processes via Localization.
Tuesday, 20. October 2026, 16:15 to 17:15 in room no. WSC-S-U-3.03, campus Essen.

Andreas Klippel (TU Darmstadt)
Some Results on Random Loop Models.
Tuesday, 21. July 2026, 16:15 to 17:15 in room no. WSC-O-4.65, campus Essen.

Azadeh Parvaneh (Universität Bielefeld)
Large Deviation Principle for Friendship Biases in Galton-Watson Trees.
Tuesday, 14. July 2026, 16:15 to 17:15 in room no. WSC-O-4.65, campus Essen.

Jan Nagel (TU Dortmund)
A central limit theorem for a random walk on Galton-Watson trees with random conductances.
Tuesday, 07. July 2026, 16:15 to 17:15 in room no. WSC-O-4.65, campus Essen.

Kinga Nagy (Universität Osnabrück)
Number of crossings, and the planarity of random geometric graphs with heavy-tailed mark distributions.
Tuesday, 30. June 2026, 16:15 to 17:15 in room no. WSC-O-4.65, campus Essen.

Marco Seiler (Goethe-Universität, Frankfurt)
The Offended Voter Model.
Tuesday, 02. June 2026, 16:15 to 17:15 in room no. WSC-O-4.65, campus Essen.

Anton Klimovsky (Universität Würzburg)
Opinion dynamics on evolving networks: a measure-valued Markov process and its scaling limit.
Tuesday, 19. May 2026, 16:15 to 17:15 in room no. WSC-O-4.65, campus Essen.

Mikhail Urusov (Universität Duisburg-Essen)
Representation property for 1d general diffusion semimartingales.
Tuesday, 12. May 2026, 16:15 to 17:15 in room no. WSC-O-4.65, campus Essen.

Vinita Mulay (Universität Duisburg-Essen)
Elephant Random Walk with Tampered Memory.
Tuesday, 05. May 2026, 16:15 to 17:15 in room no. WSC-O-4.65, campus Essen.

Günter Last (KIT)
Stochastic analysis for the Dirichlet-Ferguson process.
Monday, 02. February 2026, 16:15 to 17:15 in room no. WSC-N-U-4.05, campus Essen.

Sophie Morel (ENS Lyon / CNRS)
Calculating the (derived) deformation ring of the trivial representation of \(\mathbb{Z}/2\mathbb{Z}\) IV.
Thursday, 19. November 2026, 10:15 in room no. WSC-N-U-3.05, campus Essen.

Sophie Morel (ENS Lyon / CNRS)
Calculating the (derived) deformation ring of the trivial representation of \(\mathbb{Z}/2\mathbb{Z}\) III.
Thursday, 12. November 2026, 10:15 in room no. WSC-N-U-3.05, campus Essen.

Sophie Morel (ENS Lyon / CNRS)
Calculating the (derived) deformation ring of the trivial representation of \(\mathbb{Z}/2\mathbb{Z}\) II.
Thursday, 05. November 2026, 10:15 in room no. WSC-N-U-3.05, campus Essen.

Today: Sophie Morel (ENS Lyon / CNRS)
Calculating the (derived) deformation ring of the trivial representation of \(\mathbb{Z}/2\mathbb{Z}\) I.
Thursday, 29. October 2026, 10:15 in room no. WSC-N-U-3.05, campus Essen.

Wiesława Nizioł (CNRS / Sorbonne Université, Paris)
Duality theorems in \(p\)-adic analytic geometry IV.
Thursday, 07. May 2026, 10:15 in room no. WSC-N-U-3.05, campus Essen.

Wiesława Nizioł (CNRS / Sorbonne Université, Paris)
Duality theorems in \(p\)-adic analytic geometry III.
Thursday, 30. April 2026, 10:15 in room no. WSC-N-U-3.05, campus Essen.

Wiesława Nizioł (CNRS / Sorbonne Université, Paris)
Duality theorems in \(p\)-adic analytic geometry II.
Thursday, 23. April 2026, 10:15 in room no. WSC-N-U-3.05, campus Essen.

Wiesława Nizioł (CNRS / Sorbonne Université, Paris)
Duality theorems in \(p\)-adic analytic geometry I.
Thursday, 16. April 2026, 10:15 in room no. WSC-N-U-3.05, campus Essen.

Victoria Hoskins (Universität Duisburg-Essen)
Relative non-reductive GIT and moduli of quivers with multiplicities.
Friday, 30. January 2026, 14:30 to 15:30 in room no. S06 S01 B29, campus Essen.

Claudio Llosa (KIT, Karlsruhe)
Profinite rigidity of Kähler groups.
Friday, 30. January 2026, 11:45 to 12:45 in room no. S06 S01 B29, campus Essen.

Roger Bielawski (Leibniz Universität, Hannover)
Towards hypercomplex varieties and spaces.
Friday, 30. January 2026, 10:30 to 11:30 in room no. S06 S01 B29, campus Essen.