Matematiikan ja systeemianalyysin laitos

Ajankohtaista

Esitelmiä, seminaareja ja väitöksiä

* Seuraavan viikon tapahtumat merkitty tähdellä

Prof. Eveliina Peltola (Aalto University & Universität Bonn)
TBA
* Tuesday 18 November 2025,   10:15,   M3 (M234)

Anna-Mariya Otsetova
Malliavin calculus and a central limit theorem for the stochastic heat equation
* Wednesday 19 November 2025,   10:15,   M3 (M234)
Seminar on analysis and geometry

Kakeya sets in R^3 (Finnish Mathematical Society Colloquium)
* Wednesday 19 November 2025,   16:00,   U7
A Kakeya set is a compact subset of R^n that contains a unit line segment pointing in every direction. Kakeya set conjecture asserts that every Kakeya set has Minkowski and Hausdorff dimension n. We prove this conjecture in R^3 as a consequence of a more general statement about union of tubes. We will also discuss the connection to projection theorems in geometric measure theory. This is joint work with Josh Zahl. Hong Wang is a permanent professor at the Institut des Hautes Études Scientifiques (IHES) and a professor at NYU’s Courant Institute. She specializes in harmonic analysis and related areas and is widely known for her influential work on the restriction conjecture, local smoothing, and decoupling, among other topics. In recent work with Joshua Zahl, she resolved the celebrated Kakeya conjecture in three dimensions.
Finnish Mathematical Society Colloquium

Prof. Eveliina Peltola (Aalto University & Universität Bonn)
TBA
Tuesday 25 November 2025,   10:15,   M3 (M234)

Leah Schätzler
TBA
Wednesday 26 November 2025,   10:15,   M3 (M234)
Seminar on analysis and geometry

Dr. Olli Järviniemi
Siitä, mitä kutsutaan tilastotieteeksi
Friday 28 November 2025,   15:00,   M2 (M233)
Käsittelen tilastotieteen aiheita, jotka ovat nousseet huomiooni tehdessäni kokeellista tutkimusta tekoälyn parissa. Luennon teemana on, että monet alkuperäiset odotukseni tilastotieteeltä ovat sellaisia, joihin tilastotieteen menetelmien ei ole mahdollista vastata, mikä luo tarpeen erilaiselle orientaatiolle datan analysointiin ja tieteen tekemiseen. Luennossa käsitellään muun muassa seuraavia aiheita: otantajakauman merkitys päätelmien tekemisessä, uskomusten muutos erimielisyyden tiloissa ja yleisluontoisten päätelmien keskeisyys.
Stochastics and Statistics Seminar

Tuomas Kelomäki (Aalto University)
Fast and smooth? Khovanov homology and computational complexity
Tuesday 02 December 2025,   10:15,   M3 (M234)
At the turn of the century, Khovanov upgraded the Jones polynomial into a homology theory of knots, which is sensitive to smooth structures in 4D. The Jones polynomial can be recovered from Khovanov homology, so Khovanov homology is at least as hard to compute as the Jones polynomial, and it is an open question how much harder it is. In this talk, we will try to explain why mathematicians should care about fast computations of Khovanov homology. We will also explore polynomial and non-polynomial time algorithms for both Jones polynomial and Khovanov homology of braids. Joint work with Dirk Schütz.

Prof. Tuomas Hytönen (Aalto University)
TBA
Tuesday 09 December 2025,   15:15,   M1 (M232)
TBA

Prof. Steven Gabriel (University of Maryland and Aalto University)
TBA
Tuesday 13 January 2026,   15:15,   M1 (M232)

Prof. Andrea Pinamonti (Università di Trento)
TBA
Wednesday 04 February 2026,   10:15,   M3 (M234)
Seminar on analysis and geometry

Prof. Anders Hansen (University of Cambridge)
TBA
Tuesday 10 February 2026,   15:15,   M1 (M232)

Dr. John Urschel (MIT)
TBA
Tuesday 10 March 2026,   15:15,   U5 (U147)

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