Grégory Lafitte. How Powerful Are Infinite Time Machines?. In Rusins Freivalds, editor, Fundamentals of Computation Theory, 13th International Symposium, FCT 2001, Riga, Latvia, August 22-24, 2001, Proceedings. Volume 2138 of Lecture Notes in Computer Science, pages 252-263, Springer, 2001. [doi]
Abstract is missing.