Samuel Haney, Mehraneh Liaee, Bruce M. Maggs, Debmalya Panigrahi, Rajmohan Rajaraman, Ravi Sundaram. Retracting Graphs to Cycles. In Christel Baier, Ioannis Chatzigiannakis, Paola Flocchini, Stefano Leonardi, editors, 46th International Colloquium on Automata, Languages, and Programming, ICALP 2019, July 9-12, 2019, Patras, Greece. Volume 132 of LIPIcs, Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik, 2019. [doi]