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Higher dimensional accessibility and bounding curves on surfaces

Higher dimensional accessibility and bounding curves on surfaces
Datum:

23.05.2017

Ort:

1.067 (20.30)

Referent:

Nir Lazarovich

Zeit:

15:30

Abstract: Accessibility is an important concept in the study of groups and manifolds since it gives a way of decomposing the object in question into simpler pieces. In my talk I will survey some accessibility results of groups and manifolds, and explain how to relate the two. I will then discuss a joint work with Benjamin Beeker on a higher dimensional version of these ideas using CAT(0) cube complexes. The talk will be very accessible as no prior knowledge of these topics is assumed.