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SUMMARY:High order isometric liftings and dilations
DTSTART;VALUE=DATE-TIME:20210703T121500Z
DTEND;VALUE=DATE-TIME:20210703T125500Z
DTSTAMP;VALUE=DATE-TIME:20260615T225729Z
UID:indico-contribution-196@indico.eimi.ru
DESCRIPTION:Speakers: Vladimir Müller (Mathematical Institute\, Czech Aca
 demy of Sciences)\nWe show that a Hilbert space bounded linear operator ha
 s an m-isometric lifting for some integer $m \\ge 1$ if and only if the no
 rms of its powers grow polynomially.\nIn analogy with unitary dilations of
  contractions\, we prove that such operators also have an invertible m-iso
 metric dilation. Joint work with C. Badea and L. Suciu.\n\nhttps://indico.
 eimi.ru/event/321/contributions/196/
LOCATION:
URL:https://indico.eimi.ru/event/321/contributions/196/
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