Submitted

• Positive (Modal) Logic Beyond Distributivity (pdf on arXiv)
  Nick Bezhanishvili, Anna Dmitrieva, Jim de Groot, Tommaso Moraschini, Submitted June 2022
• Coalgebraic Geometric Logic: Basic Theory
  Nick Bezhanishvili, Jim de Groot & Yde Venema, Submitted March 2020

Accepted

• Goldblatt-Thomason Theorems for Modal Intuitionistic Logics (arxiv)
  Jim de Groot, Accepted for publication at AiML 2022
• A Coalgebraic Approach to Dualities for Neighborhood Frames
  Guram Bezhanishvili, Nick Bezhanishvili & Jim de Groot, Accepted for publication at LMCS, 2022
• Monotone Subintuitionistic Implication: Duality and Transfer Results
  Jim de Groot & Dirk Pattinson, Accepted for publication at the Notre Dame Journal of Formal Logic, 2022
• Modal Meet-Implication Logic
  Jim de Groot & Dirk Pattinson, Accepted for publication at LMCS, 2022
• Hennessy-Milner and Van Benthem for Instantial Neighbourhood Logic
  Jim de Groot, Studia Logica, 2022
• Gödel-McKinsey-Tarski and Blok-Esakia for Heyting-Lewis Implication (technical report on arXiv)
  Jim de Groot, Tadeusz Litak & Dirk Pattinson, LICS 2021
• Hennessy-Milner Properties via Topological Compactness (pdf on arXiv)
  Jim de Groot & Dirk Pattinson, Information & Computation, 2021
• Positive Monotone Modal Logic (pdf)
  Jim de Groot, Studia Logica, 2021
• Logic-Induced Bisimulations (technical report on arXiv) 
  Jim de Groot, Helle Hvid Hansen & Alexander Kurz, AiML 2020
• Modal Intuitionistic Logics as Dialgebraic Logics (pdf, video)
  Jim de Groot & Dirk Pattinson, LICS 2020
• Duality for Instantial Neighbourhood Logic via Coalgebra (pdf)
  Nick Bezhanishvili, Sebastian Enqvist & Jim de Groot, CMCS 2020
• Hennessy-Milner Properties for (Modal) Bi-intuitionistic Logic
  Jim de Groot & Dirk Pattinson, WoLLIC 2019
• Coalgebraic Geometric Logic
  Nick Bezhanishvili, Jim de Groot & Yde Venema, CALCO 2019