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DTSTART:20230326T030000
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BEGIN:VEVENT
DTSTAMP:20240917T150345Z
UID:1696426200@ist.ac.at
DTSTART:20231004T153000
DTEND:20231004T163000
DESCRIPTION:Speaker: Manfred Einsiedler\nhosted by Vadim Kaloshin\nAbstract
: Furstenberg introduced in 1967 joinings and disjointness as fundamental
tools for studying structural properties of measure preserving systems. We
will review some old and some new results in this direction that classify
joinings or even establish disjointness. In particular we will discuss ho
w these can be used for number theoretical ‘joint equidistribution' prob
lems. For instance disjointness results can be used to describe the joint
equidistribution of low lying rational points on closed horocycles related
by different powers\, the joint equidistribution of rational points on sp
heres and the shape of the lattice in the orthogonal complement\, or other
refinements of Duke’s theorem concerning the equidistribution of CM-poi
nts on the modular surface.The talk will be based on various joint works w
ith M. Akka\, E. Lindenstrauss\, M. Luethi\, Ph. Michel\, U. Shapira\, A.
Wieser
LOCATION:Raiffeisen Lecture Hall\, ISTA
ORGANIZER:birgit.oosthuizen-noczil@ist.ac.at
SUMMARY:Manfred Einsiedler: Disjointness in Ergodic and Number Theory
URL:https://talks-calendar.ista.ac.at/events/4394
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