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SUMMARY:Non-reversible Lifts of Reversible Diffusions and Hypocoercivity
DTSTART:20260116T093000
DTEND:20260116T101000
DTSTAMP:20260416T111149Z
UID:c999427d5f5cd2bfe9a0a6f107239e5a937135a76ea77f12e3018b60
CATEGORIES:Conferences - Seminars
DESCRIPTION:Francis Lörler\nWe introduce a new concept of lifts of revers
 ible diffusion processes and show that various well-known non-reversible M
 arkov processes arising in applications are lifts in this sense of simple 
 reversible diffusions. Furthermore\, we show that non-asymptotic relaxatio
 n times can at most be reduced by a square root through lifting\, generali
 sing a related result in discrete time. Finally\, we demonstrate how quant
 itative hypocoercivity can be obtained for second-order lifts based on a t
 ime-integrated Poincaré inequality\, and how this can be applied to find 
 optimal lifts.
LOCATION:Bernoulli Center - GA 3 21 https://plan.epfl.ch/?room==GA%203%202
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STATUS:CONFIRMED
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