@InProceedings{Avin2015homophily, author= {Chen Avin and Barbara Keller and Zvi Lotker and Claire Mathieu and David Peleg and Yvonne-Anne Pignolet}, title= {{Homophily and the Glass Ceiling Effect in Social Networks}}, booktitle= {{6th Innovations in Theoretical Computer Science (ITCS), Rehovot, Israel}}, month= {January}, year= {2015}, }