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Research

Research lectures, seminars and events

The events listed in this area are research seminars, workshops and lectures hosted by Durham University departments and research institutes. If you are not a member of the University, but  wish to enquire about attending one of the events please contact the organiser or host department.


 

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Events for 9 February 2018

'Hell, Heaven and Hope. A journey through life and the afterlife with Dante', Exhibition curated by Dr Annalisa Cipollone

9:00am to 11:55pm, Palace Green Library, Durham University

Contact annalisa.cipollone@durham.ac.uk for more information about this event.


A University Education: a podium discussion with The Rt Hon. the Lord David Willetts

9:30am to 10:30am, Senate Suite, University College, Durham University, The Rt Hon. the Lord David Willetts

Contact enquiries.ias@durham.ac.uk for more information about this event.


Mahdi Godazgar: Aretakis charges and null infinity

1:00pm, CM101

I will describe a recent discovery of conserved charges on the horizon of extremal black holes, which leads in particular to their classical dynamical instability. I will then relate these somewhat unexpected charges to the very well-understood Newman-Penrose charges at the null infinity of asymptotically flat spaces.

Contact christiana.pantelidou@durham.ac.uk, mathew.r.bullimore@durham.ac.uk for more information about this event.


Alessio Figalli: Sharp free boundary regularity in obstacle problems

2:00pm, CM301

The so-called Stefan problem describes the temperature distribution in a homogeneous medium undergoing a phase change, for example ice passing to water, and one aims to describe the regularity of the interface separating the two phases.

In its stationary version, the Stefan problem reduces to the classical obstacle problem, which consists in finding the equilibrium position of an elastic membrane whose boundary is held fixed, and that is constrained to lie above a given obstacle.

The aim of this talk is to give an overview of the classical theory of the obstacle problem, and then discuss some very recent developments on the optimal regularity of the free boundary both in the static and the parabolic setting.

Contact christopher.prior@durham.ac.uk for more information about this event.