The Yorkshire Durham Geometry Days (YDGD) is a series of one-day research meetings in Differential Geometry, jointly organised by the Universities of Leeds, York and Durham.
The meetings are held three times per year, typically in spring, summer and winter, and rotate among the three universities in the network.
Durham University: John Bolton, Fernando Galaz-García, Martin Kerin & Wilhelm Klingenberg.
University of Leeds: Francesca Tripaldi & Derek Harland.
University of York: Ian McIntosh & Graeme Wilkin.
Date: 10 December 2025.
Location: Department of Mathematical Sciences, Durham University.
Organisers: John Bolton, Fernando Galaz-García, Martin Kerin & Wilhelm Klingenberg.