Thinking About Godel and Turing: Essays on Complexity, 1970-2007
World Scientific Publishing Co., 2007. Hard cover. Spine is cocked and cracked, but secure. Cover edges are slightly worn. Back cover corners are bumped. Inserted between front end papers are notes from a talk given by the author, as well as an article titled, "An Algebraic Characterization of the Halting..... More