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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 16 October 2020

Domenico Orlando: Introduction to the large charge expansion

1:00pm, https://durhamuniversity.zoom.us/j/99768150791?pwd=RTdIeldsbTJBVUdSbmFuT1c1SndBUT09

Working in sectors of large global charge leads to important simplifications when studying strongly coupled CFTs. In this talk I will introduce the large-charge expansion via the simple example of the O(2) model and apply it in a number of other situations displaying a richer structure, such as non-Abelian vector models and supersymmetric theories.

Contact inaki.garcia-etxebarria@durham.ac.uk for more information about this event.


Vadim Gorin: Random matrices as seen from infinite beta

5:00pm, Zoom (Meeting ID: 972 9221 0339 Passcode: 954590)

Dyson's threefold approach suggests to deal with real/complex/quaternion random matrices as beta=1/2/4 instances of beta-ensembles.
We complement this approach by the new beta=\infty point. Our central objects are G\inftyE ensemble, which is a counterpart of classical Gaussian Orthogonal/Unitary/Symplectic ensembles, and Airy_\infty line ensemble, which is a collection of continuous curves serving as a scaling limit for largest eigenvalues at beta=\infty. On our way we encounter unusual orthogonal polynomials, random walks, and zeros of the Airy function.

Contact ellen.g.powell@durham.ac.uk for more information about this event.