The 108th PSSL took place in Terrasini (Palermo), on the weekend of September 16-17, 2023, in the historical site of Palazzo d'Aumale, five minutes away from the International Airport "Falcone e Borsellino" (Palermo).

The 108th PSSL was preceded by a Special Seminar on Logic & Algebra, to be held on Friday September 15.

What is a PSSL?

Citing from  PSSL93 website, the PSSLs are a long-running series of meetings, usually held over a weekend at a university in Europe. Talks cover all aspects of category theory and its applications. The working atmosphere is informal, e.g. talks are usually short and may be about work in progress. The name is a charming historical relic - 'Peripatetic Seminar on Sheaves and Logic' - but most talks are not about sheaves or logic.

An account on the history of PSSLs can be found here.

This one is the third PSSL organized in Palermo. 

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