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PRODID:-//Stanford Department of Mathematics - ECPv4.9.3.1//NONSGML v1.0//EN
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X-WR-CALNAME:Stanford Department of Mathematics
X-ORIGINAL-URL:https://mathematics.stanford.edu
X-WR-CALDESC:Events for Stanford Department of Mathematics
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20180307T033000
DTEND;TZID=America/Los_Angeles:20180309T163000
DTSTAMP:20190719T111344
CREATED:20180227T222753Z
LAST-MODIFIED:20180307T223253Z
UID:23855-1520393400-1520613000@mathematics.stanford.edu
SUMMARY:The Mathematics Research Center Distinguished Lecture Series Presents: Charles Fefferman (Princeton University)
DESCRIPTION: \n \nWednesday\, March 7 – 3:30 pm — Room 380W\n Fitting smooth functions to data: \nLet X be our favorite Banach space of continuous functions on R^n. Given a function f defined on some given subset of R^n\, how can we decide whether f extends to a function F on all of R^n\, belonging to the space X? If such an F exists\, then how small can we take its norm?\nWhat can we say about the derivatives of F at a given point? Can we take F to depend linearly on f? \nSuppose E is a large finite set. Can we compute an F as above with norm having the least possible order of magnitude? How many computer operations does it take? What if we require only that F agree with f to a given accuracy\, rather than demanding perfect agreement? What if we are allowed to discard a few data points as “outliers”? Which data points should we discard? \nJoint work with Arie Israel\, Bo’az Klartag\, Kevin Luli and Pavel Shvartsman. \n
URL:https://mathematics.stanford.edu/event/the-mathematics-research-center-distinguished-lecture-series-presents-charles-fefferman-princeton-university/
LOCATION:384-I
CATEGORIES:Distinguished Lecturer Series,Public Events
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