Summary
The Cascade Topology Seminar (CTS) will meet for its 69th edition on May 30-31, 2026, at Portland State University, Portland, Oregon. The CTS is a semi-annual meeting of researchers and students with interests in topology in the greater Cascades region. Apart from bringing together the regional topology community in a welcoming and intimate setting, the CTS also connects them with selected invited speakers from outside the region. The scientific focus of CTS is being expanded from low dimensional and algebraic topology now to add the emerging subfield of applied topology. This will engender ne
