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                  “Taming infinities”





Wednesday, 28. Sept 2016

    Video-Recording for any system with MP4-support


       -   Video.mp4  (ca.311 Mb)


 15:15 – 16:25


                                Speaker: Prof. Martin Hairer, University of Warwick


Abstract :

Some physical and mathematical theories have the unfortunate feature that if one takes

them at face value, many quantities of interest appear to be infinite! Various techniques,

usually going under the common name of “renormalisation” have been developed

over the years to address this, allowing mathematicians and physicists to tame

these infinities.

We will tip our toes into some of the mathematical aspects of these techniques and we

will see how they have recently been used to make precise analytical statements about

the solutions of some equations whose meaning was not even clear until now.


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