The Cascade Topology Seminar (CTS) is a semi-annual gathering of topologists, broadly defined, from the Pacific Northwest US and Southwestern Canada.
The Cascade Topology Seminar is supported in part by a grants from the National Science Foundation and the Pacific Institute for the Mathematical Sciences. The support of these agencies is gratefully acknowledged.
Upcoming! 70th CTS in honor of Dale Rolfsen in UBC Vancouver on Oct 24–25, 2026
Most recent: 69th Cascade Topology Seminar on May 30–31, 2026, at Portland State University