Starts 28 Jul 2022 16:00
Ends 28 Jul 2022 17:00
Central European Time
Leonardo Building - Luigi Stasi Seminar Room
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Abstract: We study transfer operators associated to piecewise monotone interval transformations and show that the essential spectrum is large for any relevant Banach space when the transformation fails to be Markov. Constructing a family of Banach spaces we show that the lower bound on the essential spectral radius is optimal. Indeed, these Banach spaces realise an essential spectral radius as close as desired to the theoretical best possible case.
This will be a hybrid seminar. All are very welcome to join either online or in person. Venue: Luigi Stasi Seminar Room (ICTP Leonardo Da Vinci Building), for those wishing to attend in person.