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Durham University

Research & business

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 23 November 2020

Ioannis Ntzoufras: How can we make Objective Bayesian Model Comparisons in a subjective Bayes world?

1:00pm, ZOOM

In this talk I will provide a review of prior distributions for objective Bayesian model comparisons. The general principles, criteria and tools/mechanisms that can be used in order to ensure a sensible Bayesian model comparison/selection procedure under the absence of any prior information will be presented and discussed. Focus will be given in the most popular model selection case: the variable selection problem. Some recent contributions in the area of objective priors on model space will be also discussed. Hopefully, after this talk you will have some guidance how to work to build sensible priors for Bayesian model comparisons.

The talk is based on the published paper:
Consonni G., Fouskakis D., Liseo B., and Ntzoufras I. (2018). Prior Distributions for Objective Bayesian Analysis. Bayesian Analysis, 13, 627–679.

Contact georgios.karagiannis@durham.ac.uk, konstantinos.perrakis@durham.ac.uk for more information about this event.


Seamus Fallows: AdS/CFT and traversable wormholes

3:00pm, Zoom (Meeting ID: 931 4876 1099, Passcode: 685500)

I will introduce the AdS/CFT correspondence with particular focus on the connections between entanglement and classical geometry. I will then explain the Gao, Jafferis, Wall construction for making a traversable AdS wormhole by turning on a double trace deformation in the boundary CFT. If there is time I will discuss my recent work on applying this construction to near-extremal charged black holes.

My aim is to make this talk understandable for people with no prior knowledge of AdS/CFT and to highlight the things that I think are really cool while avoiding too much technical detail.

Contact sagharsadat.hosseinisemnani@durham.ac.uk, gabriel.arenas-henriquez@durham.ac.uk for more information about this event.