The public defence of the doctoral dissertation will take place on 16 January 2026 at 09:00 AM in room 2180 (sala RW) in the building of the MIMUW Faculty at 2 Banacha Street, Warsaw.

Title of the dissertation: Regular Path Queries and Modal Constraints: Decidability of Query Containment under a Graph Database Schema
Supervisor: Assoc. Prof. Filip Murlak (University of Warsaw)

We warmly invite you to come and see at our Facult's Library two Christmas exhibitions:

• "Levitating Christmas tree" by dr Barbara Poszewiecka
  and
• MS Paint Art works entitled „Wesołych świąt! (Przepraszam za to, ale koledzy się uparli)” (eng.: "Merry Christmas! (Sorry about that, but my friends insisted)"), by Kamil Olszewski.

The remote online public defence of the doctoral dissertation will take place on 29 January 2026 at 10:00 AM .

Title of the dissertation: Khovanov-Rozansky slN-homology for periodic links
Supervisor: Assoc. Prof. Maciej Borodzik (University of Warsaw)
Assistant supervisor: Ph.D. Wojciech Politarczyk (Univeristy of Warsaw)

The link to the defence meeting will be made available after prior registration by e-mail rnd.mat@uw.edu.pl. The registration of participants will be until 9:00 AM on 28th January 2026.

On behalf of the Dean's team, I cordially invite the entire community of the Faculty of Mathematics, Informatics, and Mechanics at the University of Warsaw: employees, retirees, doctoral candidates, and students, to the Faculty Christmas Tree Party. As usual, we will listen to a performance by the Faculty Choir.

Date and location: Thursday, December 18, 2025, at 3:30pm, room 4420.

See you soon!

Łukasz Kowalik
Dean

We invite you to the workshop "Compositionality and Reasoning in AI and Cognitive Science," which will take place on January 8th at the Staszic Palace. Speakers include Ian Pratt-Hartmann (U Manchester), Dieuwke Hupkes (Meta AI Research), and Andrea de Varda (MIT).

It is with great pleasure and joy that we share that two of our colleagues have just received prestigious Consolidator grants from the European Research Council.

Dr. Wojciech Czerwiński will lead the POLARIS project entitled "Reachability in Infinite Systems at High Resolution".

Dr. Michał Pilipczuk will lead the WYDRA project entitled "Towards a unified structure theory for dense graphs".

Our warmest congratulation to them both!

Congratulations to the UW2 team: Jan Gwiazda, Stanisław Karpiejczyk, and Jerzy Olkowski, who won the gold medal, second place at this year's Central Europe Regional Contest! They thereby advanced to the world finals!

Huge applause to other teams from our Faculty, three of which won medals! Kudos to the supervisors and coaches!

Krzysztof Diks's wrote as always a few words, feel invited to read the details and see some photos.

Excellent results at the ISTCiM competition. Our team MIM FORCE ONE, consisting of Korneliusz Obarski (captain), Łukasz Łopacki, Adam Naskręcki, and Mikołaj Woźniak, won the gold medal, placing second in this prestigious matematical competition.

Individually, all of our representatives also won gold medals. Adam Naskręcki deserves special mention as he solved all the problems (winning the Best Individual Performance Prize).

Congratulations to the students and their advisor, Dr. Rafał Martynek!

We warmly invite you to the Trade'M competition - registration for 3-person teams is open till the 7th of December. Have some scientific fun before Christmas and show the usefulness of modern data analysis techniques in everyday life! And try to bridge the gap between two cultures: exact sciences and humanities!

It's been a pleasure to celebrate the 50th anniversary of our Institute of Informatis with all who came on the 20th of November. We thank the organizers, speakers and those who watched and listened via YouTube. Some photos are here.

Our Faculty co-organized 29th Polish Edition of the ICPC - International Collegiate Programming Contest took place. in the sports hall of the Faculty of Management at the University of Warsaw. 

The UW teams, comprised of students from our Faculty, performed exceptionally well, winning one gold, three silver, and two bronze medals!

Three international researchers - laureates of the NAWA Ulam Programme, will carry out their projects at our Faculty: Congratulations
Nilasis Chaudhuri (mentor: Piotr B. Mucha),
Pierandrea Vergallo (mentor: Galina Filipuk), and
Akhil Kumar Srivastav (mentor: Urszula Foryś)!

As part of the MIMUW colloquium, Wojciech Górny will deliver a talk titled “Partial differential equations with linear growth” The talk will take place on December 4, 2025 at 2:30 PM in the Faculty Council Room (2180).

The remote online public defence of the doctoral dissertation will take place on 1 December 2025 at 02:15 PM .

Title of the dissertation: Regularity and Singularities in Nonlinear Elliptic Systems: A Study of n-Harmonic Maps and H-Systems
Supervisor: Prof. Paweł Strzelecki (University of Warsaw)

The link to the defence meeting will be made available after prior registration by e-mail rnd.mat@uw.edu.pl. The registration of participants will be open until 3:00 PM on 28th November 2025.

The public defence of the doctoral dissertation will take place on 18 December 2025 at 02:00 PM in room 2180 (sala RW) in the building of the MIMUW Faculty at 2 Banacha Street, Warsaw.

Title of the dissertation: Corson-like Compacta and Related Function Spaces
Supervisor: Prof. Witold Marciszewski (University of Warsaw)