Optimal Lossless Source Codes for Timely Updates Prathamesh Pramod Mayekar Parimal Parag Himanshu Tyagi Proceedings of the 2018 Â鶹´«Ã½Ó³» International Symposium on Information Theory, Vail, CO, USA , June 2018 Award(s) Received Jack Keil Wolf ISIT Student Paper Award