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Juliane Päßler: Forking and JSJ decompositions in the free group

Donnerstag, 02.07.2020 10:45 im Raum via Zoom
Mathematik und Informatik

Sela proved that the first order theory of torsion free hyperbolic groups, and therefore that of free groups, is stable. This result implies that there is a notion of independence in the free group. Perin and Sklinos succeeded to characterize forking independence in the free group in a purely group theoretic way by introducing a special kind of JSJ decomposition of a free group relative to a set of parameters. In my talk I will present this result as well as some special cases where it is easier to understand forking independence.



Angelegt am Freitag, 19.06.2020 10:33 von pfeifer
Geändert am Freitag, 19.06.2020 11:01 von pfeifer
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