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    4/11 Update: Event Cancelled! 6/11 Seminar Series: If something is almost true, is truth nearby?

    4/11 Update: Unfortunately, Andreas Thom is unable to come due to a very serious family emergency and so the lecture is cancelled. However, he will have pleasure to listen to his talk only in one of the future terms.

    Abstract of Andeas Thom lecture (German mathematician and a professor of Geometry at TU Dresden):
    I will discuss the concept of stability in mathematics. If a set of equations is almost satisfied, is it true that a true solution to the equations exists nearby? For example, if two permutations of X commute on most of the points of X, are there permutations of X that agree with the given permutations on most of the points and do commute? If a function on a Banach space is almost linear, is it close to a linear map? These type of questions and some positive answers were first discussed by Stanislaw Ulam in 1940 und the name of „stability“ and come up naturally in a variety of situations ranging from functional analysis, group theory, to computer science. I will explain the background and discuss some recent progress in a variety of circumstances.
    When? 6 November 2019, 4:30 PM
    Where? Mendel Museum's Augustinian Abbey Refectory at Mendel Square
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