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DTSTART:20171029T020000
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DTSTART:20170324T020000
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UID:calendar.49995.field_date.0@mathematics.huji.ac.il
DTSTAMP:20200606T115221Z
CREATED:20180107T143935Z
DESCRIPTION:Date: \n\n2:00pm to 3:00pm\n\n\n\n\nSee also: Dynamical & Pro
bability\, Events & Seminars\, Seminars\n\n\nConsider a real Gaussian stat
ionary process\, either on Z or on R. That is\,\na stochastic process\, in
variant under translations\, whose finite marginals\nare centered multi-va
riate Gaussians. The persistence of such a process on\n[0\,N] is the proba
bility that it remains positive throughout this interval.\nThe relation be
tween the decay of the persistence as N tends to infinity\nand the covaria
nce function of the process has been investigated since the\n1950s with mo
tivations stemming from probability\, engineering and\nmathematical physic
s. Nonetheless\, until recently\, good estimates were\nknown only for part
icular cases\, or when the covariance kernel of the\nprocess is either non
-negative or summable.\nIn the talk we discuss a new spectral point of vie
w on persistence which\ngreatly simplifies its analysis. This is then used
to analyze the\nqualitative behavior of the persistence probability in a
very general\nsetting.\nBased on joint work with Ohad Feldheim and Shahaf
Nitzan.\n\n Export\n \n\n \nsubscribe iCal
DTSTART;TZID=Asia/Jerusalem:20170620T140000
DTEND;TZID=Asia/Jerusalem:20170620T150000
LAST-MODIFIED:20191104T090055Z
SUMMARY:Dynamics seminar:Naomi Feldheim (Stanford): Persistence of Gaussian
Stationary Processes
URL;TYPE=URI:https://mathematics.huji.ac.il/event/dynamics-seminarnaomi-fel
dheim-stanford-persistence-gaussian-stationary-processes
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