Siegel der Universität Augsburg

Universität Augsburg
Institut für Mathematik

Siegel der Universität Augsburg

 

Oberseminar Wahrscheinlichkeitstheorie

 

Marcel Schrocke
Stochastik und ihre Anwendungen

 
spricht am
 
Freitag, 21. November 2025
 
um
 
16:00 Uhr
 
im
 
Raum 2004 (L1)
 
über das Thema:
 

»Hydrodynamic limit for repeated averages on the complete graph«

Abstract:
We establish a hydrodynamical limit for the averaging process on the complete graph with $N$ vertices, showing that, after a timescale of order $N$, the empirical distribution of opinions converges to a unique measure. Moreover, if the initial distribution is absolutely continuous with respect to the Lebesgue measure, the limiting measure remains absolutely continuous and its density satisfies a non-diffusive differential equation, that resembles the Smoluchowski coagulation equation. We will also briefly discuss ongoing extensions to more general interaction structures, such as graphon-based networks and variants of the compass model, where spatial effects become relevant.

 

Hierzu ergeht herzliche Einladung.
Prof. Dr. Markus Heydenreich


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