* Seuraavan viikon tapahtumat merkitty tähdellä
Dissertation
Joonas Vättö
PhD defense: Bosonic conformal field theory in the operator formalism
* Today * Friday 18 September 2026, 12:00, hall E
Lorenzo Zacchini (Aalto University)
A Dyadic Approach to Schatten Estimates for Commutators of Fractional Integrals (midterm review)
* Wednesday 23 September 2026, 10:15, M3 (M234)
Analysis seminar / Hytönen
Jani Onninen (Syracuse University)
Continuity of Mappings Satisfying a Distortion Inequality with Defect
* Wednesday 23 September 2026, 11:15, M3 (M234)
We study the continuity problem for Sobolev mappings $f \in W^{1,n}(\Omega,\mathbb R^n)$ satisfying the distortion inequality with defect
\[
|Df(x)|^n \le K(x)\det Df(x)+\Sigma(x),
\]
where $K \ge 1$ and $\Sigma \ge 0$ are measurable functions. In a recent joint work with Ilmari Kangasniemi, we closed a substantial gap between existing techniques for proving continuity and known counterexamples. This also initiated a systematic study of mappings with values of finite distortion. We will additionally discuss analogues of the continuity result for mappings into closed manifolds.
Analysis seminar
Juho Korkeala
Exotic mean oscillation and compactness of commutators (Master thesis presentation)
* Thursday 24 September 2026, 10:15, M3 (M234)
Analysis seminar (extra meeting) / Hytönen
Janne Junnila (Univ. Jyväskylä)
In search for practical autoformalization workflows for working mathematicians
Friday 25 September 2026, 13:15, U4062, University of Helsinki main building (Fabianinkatu 33)
I will present a personal account of my own autoformalization experiments in complex analysis and related areas. This will include a demo of Handwave, which is a tool intended to help in planning, building, organizing and presenting autoformalized Lean projects.
Aalto-Helsinki formalized mathematics seminar
Vanni Noferini (Aalto)
TBA
Monday 05 October 2026, 14:15, M3 (M234)
TBA
AGC Seminar
Aleksis Koski
TBA
Wednesday 07 October 2026, 10:15, M3 (M234)
Analysis seminar
Ragnar Freij-Hollanti (Aalto)
TBA
Monday 19 October 2026, 14:15, M3 (M234)
TBA
AGC Seminar
Henri Lahdelma
Midterm review talk
Wednesday 21 October 2026, 10:15, M3 (M234)
Analysis seminar
Wontae Kim (Korea Institute for Advanced Study)
TBA
Wednesday 04 November 2026, 10:15, M3 (M234)
Analysis seminar
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