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String theory, T-duality and non-geometry

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If you have a question about this talk, please contact Ciaran Hughes .

A remarkable feature of string theory is the existence of powerful and unexpected duality symmetries. One such is T-duality, which in its simplest form relates a string wrapped around a large circle to a string moving on a small circle. In this talk, I will give an introduction to T-duality, and explain how one can define so-called `non-geometric’ backgrounds, which are only globally defined if one allows patching by duality transformations in addition to the usual geometric coordinate and gauge transformations. No prior exposure to string theory will be assumed.

This talk is part of the HEP/GR Informal Seminar Series for Graduate Students series.

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