PP-2019-09: Bezhanishvili, Nick and de Groot, Jim and Venema, Yde (2019) Coalgebraic geometric logic. [Pre-print]
PP-2020-08: Bezhanishvili, Nick and Enqvist, Sebastian and de Groot, Jim (2020) Duality for instantial neighbourhood logic via coalgebra. [Pre-print]
PP-2021-06: Bezhanishvili, Guram and Bezhanishvili, Nick and de Groot, Jim (2021) A coalgebraic approach to dualities for neighbourhood frames. [Pre-print]