Christoph A KellerAssociate ProfessorMember of the Graduate FacultyResearch Groups: Group Theory, Mathematical PhysicsEmail: cakeller@arizona.eduHomepage: https://www.math.arizona.edu/~cakellerOffice: MATH 516Office Hours (Fall 2026):Tue10:00 AM - 11:00 AMWed10:00 AM - 11:00 AMThu10:00 AM - 11:00 AMScheduled Courses (Fall 2026):MATH:517A - 001Tue11:00 AM - 12:15 PMThu11:00 AM - 12:15 PM