1. Altruists and Egoists: A Local Interaction Model of Imitation in Social Graphs Open Access Author: Wray, Kyle Hollins Title: Altruists and Egoists: A Local Interaction Model of Imitation in Social Graphs Graduate Program: Mathematics Keywords: imitation dynamicsprisoner's dilemma on graphs File: Download KyleWray-MathThesis.pdf Committee Members: Eli Christopher C Byrne, Thesis Advisor/Co-Advisor