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International Conference on Complex Analysis Dedicated to the memory of Andrei Gonchar and Anatoliy Vitushkin
October 10, 2016 11:30, Moscow, Steklov Mathematical Institute, Conference hall, 9th floor
 


On the complexity of the bifurcation sets of critical points of smooth functions

V. A. Vassilievab

a Steklov Mathematical Institute of Russian Academy of Sciences, Moscow
b National Research University "Higher School of Economics" (HSE), Moscow
Video records:
MP4 406.1 Mb
MP4 1,600.8 Mb
Presentation:
PowerPoint 809.5 Kb

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V. A. Vassiliev
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Abstract: A complicated critical point of a real function can be morsified in many topologically distinct ways. I will promote a combinatorial algorithm enumerating such Morsifications. The upper estimates of the complexity of this algorithm (in particular, a proof of its finiteness) follow from the estimates of the local degrees of certain bifurcation sets related with our singularity, such as the caustic, the Maxwell set, and the Stokes' sets. I will demonstrate some such estimates; some of them are nearly sharp, and the other ones probably can be improved a lot.

Presentation: presentatation.pptx (809.5 Kb)

* conference room 9th floor

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