University of Birmingham > Talks@bham > Analysis seminar > Bellman functions providing positive and negative results in weighted singular integrals theory

## Bellman functions providing positive and negative results in weighted singular integrals theoryAdd to your list(s) Download to your calendar using vCal - Alexander Volberg (Michigan State University)
- Tuesday 04 February 2014, 16:00-17:00
- Nuffield G18.
If you have a question about this talk, please contact José Cañizo. Note this talk is scheduled on a Tuesday instead of a Wednesday We will explain the Bellman function approach to weighted singular integrals. We show how this technique (non-linear PDE at heart) allows us to get many recent results in the theory. Such as the solution of $A_2$ conjecture (and $A_2—A_\infty$ variant), the solution of the bump conjecture (and its one-sided variant), and also new results about entropy and weighted estimates. We also show how this PDE approach allows us to build counterexamples to weak Muckenhoupt conjecture and some of its relatives This talk is part of the Analysis seminar series. ## This talk is included in these lists:Note that ex-directory lists are not shown. |
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