Naoki Kobayashi, Takashi Suto. Undecidability of 2-Label BPP Equivalences and Behavioral Type Systems for the ::::pi:::: -Calculus. In Lars Arge, Christian Cachin, Tomasz Jurdzinski, Andrzej Tarlecki, editors, Automata, Languages and Programming, 34th International Colloquium, ICALP 2007, Wroclaw, Poland, July 9-13, 2007, Proceedings. Volume 4596 of Lecture Notes in Computer Science, pages 740-751, Springer, 2007. [doi]
Abstract is missing.