A continuation of the topics from Math 64, including an in-depth exploration of the fundamental group and covering spaces. Additional topics will be drawn from algebraic, differential, and/or geometric topology. Previous to Spring 2026, this was a 2-credit seminar. Alternate years. Prerequisite: A grade of B or better in MATH 063 and MATH 064 , current enrollment in MATH 067 . Natural sciences and engineering. 1 credits. Spring 2026. Staff. Catalog chapter: Mathematics and Statistics Department website: http://www.swarthmore.edu/mathematics-statistics