| Oct 20, 2026 | I presented a finite-variable version of Goldblatt-Thomason Theorems at the Center for Logic, Language and Cognition at Peking University. |
| Sep 30, 2026 | I published a popular-science article, The Dark Forest, Chains of Suspicion, and Game Theory (黑暗森林、猜疑鏈與賽局理論), in Mathmedia, a journal published by the Institute of Mathematics of the Academia Sinica, Taiwan. It uses the sci-fi novel The Three-Body Problem to introduce game theory and epistemic logic. |
| Sep 25, 2026 | I gave an online presentation with Dr. Youan Su on our joint work with Dr. Huaqing Cheng, “The Barcan Formula in First-Order Intuitionistic Modal Logics S5,” at the Ookayama Logic Seminar Summer Intensive Seminar, 24–25 September 2026 (大岡山ロジックセミナー夏期集中セミナー), hosted by the Institute of Science Tokyo (東京科学大学). |
| Sep 22, 2026 | I gave a presentation entitled “A Jónsson-Tarski-Goldblatt Representation and Frame Definability for Noncontingency Logic” at Colloquium Logicum 2026, held at the Institute of Mathematics of the University of Würzburg. |