The Borel Seminar 2023 is a conference on "Lattices in Negative Curvature". The topics cover discrete subgroups of Lie groups, small volume quotients, non-arithmetic lattices in PU(n,1) and hybrid constructions as well as aspects around the Leech lattice.
The conference is dedicated to John Parker on the occasion of his 60th birthday.

Venue and dates: The Borel Seminar 2023 takes place at the Hôtel Les Sources in Les Diablerets in the Swiss Alps from the 17th to the 21th of July.

Mini-course speakers:

Daniel Allcock (Austin) Matthew Stover (Temple)


Martin Deraux (Grenoble) Vincent Emery (BFH Biel) Elisha Falbel (Sorbonne) Ruth Kellerhals (Fribourg)
John Parker (Durham) Irene Pasquinelli (Bristol) Julien Paupert (Tempe) Jean Raimbault (Marseille)
Alan Reid (Rice) François Thilmany (Louvain) Pavel Tumarkin (Durham) Pierre Will (Grenoble)

Martin Deraux (Grenoble)
Vincent Emery (BFH Biel)
Ruth Kellerhals (Fribourg)