Title: The Maroni Invariant of Trigonal Chains of Loops

Abstract: What is a Maroni invariant? What are trigonal chains of loops? Why should you care? We'll answer all these questions and more in our excursion into divisor theory on graphs, complete with an explicit computation of the Maroni invariant of a chain of loops and an explanation of what I've been doing for the last 6 months of my life.