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Upcoming Colloquia & Seminars

  1. Analytic Number Theory Seminar: The subconvexity problem

    Location: MSRI: Baker Board Room
    Speakers: Ritabrata Munshi (Indian Statistical Institute)

    The importance of the subconvexity problem is well-known. In this talk, I will discuss a new approach to establish subconvex bounds for automorphic L-functions. The method is based on adopting the circle method to separate oscillatory factors involved in the L-function. This has proved to be quite effective in dealing with a broad class of subconvexity problems, including some involving degree three L-functions. I will also mention some new applications of this method.

    Created on Mar 23, 2017 04:52 PM PDT
  2. Analytic Number Theory Graduate Student Seminar

    Location: MSRI: Baker Board Room
    Speakers: Sarah Peluse (Stanford University), Aled Walker (University of Oxford)
    The Freiman-Ruzsa theorem​ ​relates ​to all the central techniques in additive combinatorics, and has links to ​S​zemeredi's theorem for 4AP​s.  This pair of talks will culminate in a sketch of the​ proof (with bad bounds).
    Created on Mar 23, 2017 01:32 PM PDT
  3. Harmonic Analysis Graduate Student Seminar

    Location: MSRI: Baker Board Room
    Speakers: Michal Warchalski (Rheinische Friedrich-Wilhelms-Universität Bonn)

    Title: Outer L^p spaces
    Abstract: We introduce outer L^p spaces and discuss their application to the boundedness of the bilinear Hilbert transform. This approach is due to Do and Thiele. If time allows we will also mention some applications to the uniform estimates on BHT.

    Created on Mar 23, 2017 01:18 PM PDT
  4. Harmonic Analysis Seminar: Null Control and Measurable Sets

    Location: MSRI: Baker Board Room
    Speakers: Luis Escauriaza (University of the Basque Country)

    The control for evolution equations aims to drive the solution to a prescribed state starting from certain initial conditions. One acts on the system thorough a source term, a so-called distributed control or thorough a boundary condition. To achieve general results one wishes to have as much latitude as possible in the choice of the control regions: location, size, shape. In the lecture, I explain how to derive the interior and boundary null controllability of parabolic equations with control acting over measurable sets and some of its applications.

    Created on Mar 07, 2017 11:14 AM PST
  5. MSRI/Pseudorandomness seminar: Anatomy of integers and random permutations

    Location: Simons Institute for the Theory of Computing: Melvin Calvin Laboratory
    Speakers: Kevin Ford (University of Illinois at Urbana-Champaign)

    This talk will address the questions "what is a random number?" and "what is a random permutation?" and make connections between the two seemingly dissimilar problems.  I will describe how a certain Poisson model underlies both questions, from a factorization point of view, and how to use this to predict how the prime factors of typical integers and cycles of typical permutations are distributed.  This has applications to interesting questions about divisors of integers, the familiar multiplication table, sets fixed by permutations, generation of the symmetric group,  and other questions.
     

    Updated on Mar 24, 2017 01:52 PM PDT
  6. Harmonic Analysis Seminar

    Location: MSRI: Simons Auditorium
    Created on Feb 02, 2017 10:49 AM PST
  7. HA Postdoc Seminar

    Location: MSRI: Simons Auditorium
    Created on Feb 13, 2017 12:31 PM PST
  8. Harmonic Analysis Seminar: Lipschitz maps, Littlewood-Paley, and directional operators

    Location: MSRI: Simons Auditorium
    Speakers: Christoph Thiele (Universität Bonn)

    Some classical problems ask for bounds on directional operators, such as the directional Hilbert transform, under Lipschitz assumptions on the vector field. In recent work in progress with DiPlinio, Guo, Zorin-Kranich progress was made in understanding how the Lipschitz assumption may be used. A number of corollaries will be discussed, such as improving an old conditional result bi Lacey Li for the directional Hilbert transform for vector fields in derivative-Hölder class to the analogue conditional result for vector fields in mere Lipschitz class.

    Updated on Mar 20, 2017 08:47 AM PDT
  9. Harmonic Analysis Seminar

    Location: MSRI: Simons Auditorium
    Created on Mar 06, 2017 04:19 PM PST
  10. MSRI/Pseudorandomness seminar

    Location: MSRI: Simons Auditorium
    Updated on Feb 16, 2017 02:36 PM PST
  11. ANT Postdoc Seminar

    Location: MSRI: Simons Auditorium
    Created on Feb 02, 2017 12:03 PM PST
  12. HA Postdoc Seminar

    Location: MSRI: Simons Auditorium
    Created on Feb 02, 2017 12:05 PM PST
  13. Joint ANT & HA Seminar

    Location: MSRI: Simons Auditorium
    Created on Feb 02, 2017 12:01 PM PST
  14. Harmonic Analysis Seminar: Critical perturbations of Dirac Hamiltonians: selfadjointness and spectrum.

    Location: MSRI: Simons Auditorium
    Speakers: Luis Vega (Universidad del País Vasco/Euskal Herriko Unibertsitatea)

    I shall present some recent results about  singular perturbations of Dirac operator and its connection with the boundedness of the Cauchy operator and Calderon’s projector operator. Also I will sketch the proof of an isoperimetric type inequality.

    Updated on Mar 21, 2017 08:44 AM PDT
  15. Harmonic Analysis Seminar

    Location: MSRI: Simons Auditorium
    Created on Feb 02, 2017 10:49 AM PST
  16. Logic and Literature: The Magic of Charles S. Peirce

    Location: MSRI: Simons Auditorium
    Speakers: Persi Diaconis (Stanford University)

    C. S. Peirce was one of the founders of American philosophy (along with John Dewey, William James, and Oliver Wendell Holmes, Jr.), a gadfly, polymath, and close to impossible to understand.  It turns out that he also invented (bad) magic tricks---these _do_ have some brilliant original things in them.  I'll try to use this insight to give a  fresh look at this amazing mind.

    Updated on Feb 15, 2017 09:32 AM PST
  17. ANT Postdoc Seminar

    Location: MSRI: Simons Auditorium
    Created on Feb 02, 2017 12:03 PM PST
  18. HA Postdoc Seminar

    Location: MSRI: Simons Auditorium
    Created on Feb 02, 2017 12:05 PM PST
  19. Joint ANT & HA Seminar

    Location: MSRI: Simons Auditorium
    Created on Feb 02, 2017 12:01 PM PST
  20. Harmonic Analysis Seminar

    Location: MSRI: Simons Auditorium
    Created on Feb 02, 2017 10:49 AM PST
  21. Harmonic Analysis Seminar

    Location: MSRI: Simons Auditorium
    Created on Feb 02, 2017 10:49 AM PST
  22. MSRI/Pseudorandomness seminar

    Location: MSRI: Simons Auditorium
    Updated on Feb 16, 2017 02:37 PM PST
  23. ANT Postdoc Seminar

    Location: MSRI: Simons Auditorium
    Created on Feb 02, 2017 12:03 PM PST
  24. HA Postdoc Seminar

    Location: MSRI: Simons Auditorium
    Created on Feb 02, 2017 12:05 PM PST
  25. Joint ANT & HA Seminar

    Location: MSRI: Simons Auditorium
    Created on Feb 02, 2017 12:01 PM PST
  26. Harmonic Analysis Seminar

    Location: MSRI: Simons Auditorium
    Created on Feb 02, 2017 10:49 AM PST
  27. Harmonic Analysis Seminar

    Location: MSRI: Simons Auditorium
    Created on Feb 02, 2017 10:49 AM PST
  28. ANT Postdoc Seminar

    Location: MSRI: Simons Auditorium
    Created on Feb 02, 2017 12:03 PM PST
  29. HA Postdoc Seminar

    Location: MSRI: Simons Auditorium
    Created on Feb 02, 2017 12:05 PM PST
  30. Joint ANT & HA Seminar

    Location: MSRI: Simons Auditorium
    Created on Feb 02, 2017 12:01 PM PST
  31. Harmonic Analysis Seminar

    Location: MSRI: Simons Auditorium
    Created on Feb 02, 2017 10:49 AM PST
  32. Harmonic Analysis Seminar

    Location: MSRI: Simons Auditorium
    Created on Feb 02, 2017 10:49 AM PST
  33. MSRI/Pseudorandomness seminar

    Location: MSRI: Simons Auditorium
    Updated on Feb 16, 2017 02:37 PM PST
  34. ANT Postdoc Seminar

    Location: MSRI: Simons Auditorium
    Created on Feb 02, 2017 12:03 PM PST
  35. HA Postdoc Seminar

    Location: MSRI: Simons Auditorium
    Created on Feb 02, 2017 12:05 PM PST
  36. Joint ANT & HA Seminar

    Location: MSRI: Simons Auditorium
    Created on Feb 02, 2017 12:01 PM PST