Vol. 67 (2026)

This volume contains articles published online between April 30, 2025 and September 20, 2025. This volume was edited at Nipissing University.

This volume of Topology Proceedings is dedicated to our colleague and friend Gary Gruenhage. Gary was a member of the Editorial Board and de facto Editor in Chief of Topology Proceedings since the mid 1980's until his unexpected passing on November 7, 2023. This special volume is guest-edited by his former students Steven Clontz (University of South Alabama, Mobile), John (Ted) Porter (Murray State University), Alexander Shibakov (Tennessee Technological University), and Santi Spadaro (Università degli Studi di Catania).