Last Updated: Fri, 04/17/2026 Syllabus syllabus_18.pdf (159.82 KB) General Class Information Academic year: 2026 Semester: Fall Course prefix: MATH Course number: 4221 Section: BU CRN 92867 Department (you may add up to three): Sch/Mathematics Instructor first name: Jeremy Instructor last name: Zurcher Catalog Description Simple random walk and the theory of discrete time Markov chains. Administrative Data Course status Active