MDU is hosting the second editions of the Nordic Mini-Conference in Algebra, Analysis, and Geometry (NCAAG), November 5–7, 2025, and Algebra and Friends (A&F) on November 7, 2025.

This year's editions are organized with financial support from the Foundation for Scientific Research and Education in Mathematics (SVeFUM), the Royal Swedish Academy of Sciences (Hierta-Retzius Foundation), and the School of Education, Culture and Communication at MDU.

Organizing committee – NCAAG: Olof Bergvall External link., Per Bäck External link., and Bartosz Malman External link.

Organizing committee – A&F: Nancy Abdallah External link. and Lisa Nicklasson External link.

Speakers – NCAAG

Eric Ahlqvist External link, opens in new window., Stockholm University
Johan Björklund External link, opens in new window., University of Gävle
Marion Jeannin External link, opens in new window., Stockholm University
Markus Klintborg External link, opens in new window., University of Borås
Jonathan Nilsson External link, opens in new window., Linköping University
Anaëlle Pfister External link, opens in new window., Max Planck Institute, Leipzig (Germany)
Eskil Rydhe External link, opens in new window., Lund University
Alfilgen Sebandal External link, opens in new window., Linnaeus University & Central Mindanao University (Philippines)
Jens Wittsten External link, opens in new window., University of Borås
Johan Öinert External link, opens in new window., Blekinge Institute of Technology & University of Skövde

Speakers – A&F

Christian Gottlieb External link, opens in new window., Stockholm University
Victor Hildebrandsson External link, opens in new window., Linköping University
Lionel Lang External link, opens in new window., University of Gävle
Anna Torstensson External link, opens in new window., Lund University

Registration

There is no registration fee, and we offer free lunches and fika to all registered participants.

Registration has officially closed. Still want to participate? Send an email to per.back@mdu.se

Program

Registration and all talks take place in A2-035 at Campus Eskilstuna.

Map of Campus Eskilstuna External link, opens in new window.

Wednesday, November 5 (NCAAG)

Registration, lunch, afternoon session, and first conference dinner.

12:00–12:10 Registration

12:10–13:20 Lunch at Verket mat & kaffe

13:20–13:30 Opening

13:30–14:30 Johan Öinert
Rank conditions for Ore extensions[Abstract] Opens in new window.

14:30–14:50 Fika

14:50–15:50 Jonathan Nilsson
Lie algebra representations and distinguished subalgebras[Abstract] Opens in new window.

16:00–17:00 Alfilgen Sebandal
Leavitt path algebras: Representations and K-theory[Abstract] Opens in new window.

18:30– Conference dinner at Eskilstuna Ölkultur

Eskilstuna Ölkultur External link, opens in new window., Faktorigatan 1, Eskilstuna

Thursday, November 6 (NCAAG)

Morning session, lunch, afternoon session, and second conference dinner.

10:00–11:00 Jens Wittsten
Bohr–Sommerfeld Rules for Matrix-Valued Systems[Abstract] Opens in new window.

11:00–11:20 Fika

11:20–12:20 Markus Klintborg
Generalized Harmonic Functions[Abstract] Opens in new window.

12:20–13:30 Lunch at Verket mat & kaffe

13:30–14:30 Eskil Rydhe
Laplace–Carleson embeddings[Abstract] Opens in new window.

14:30–14:50 Fika

14:50–15:50 Eric Ahlqvist
Class field towers and Schur sigma-groups[Abstract] Opens in new window.

16:00–17:00 Anaëlle Pfister
Minimal Kinematics on M_{0,n}[Abstract] Opens in new window.

18:30– Conference dinner at Takterrassen

Takterrassen External link, opens in new window., Hamngatan 2 AA, Eskilstuna

Friday, November 7 (NCAAG and A&F)

Morning session (NCAAG), lunch, registration (A&F), afternoon session (A&F), and third conference dinner.

10:00–11:00 Marion Jeannin
Generalized exponential and integration in positive characteristic[Abstract] Opens in new window.

11:00–11:20 Fika

11:20–12:20 Johan Björklund
Real algebraic knots and flexible (symplectic) knots in RP³[Abstract] Opens in new window.

12:20–13:30 Lunch at Verket mat & kaffe

13:30–14:20 Christian Gottlieb
Why Artinian rings are Noetherian, and why not?[Abstract] Opens in new window.

14:30–15:20 Anna Torstensson
Ways of describing polynomial subalgebras[Abstract] Opens in new window.

15:30–16:00 Fika

16:00–16:50 Lionel Lang
Galois group of sparse polynomial systems[Abstract] Opens in new window.

17:00–17:30 Victor Hildebrandsson
*-algebra structures on path algebras[Abstract] Opens in new window.

18:30– Conference dinner at Y-Won Bar & Grill

Y-Won Bar & Grill External link, opens in new window., Hamngatan 11, Eskilstuna

Previous Editions

NCAAG 2024 External link, opens in new window.
A&F 2024 External link, opens in new window.