The Ultimate Challenge: The 3x+1 Problem
"[This book] contains...two surveys by editor Lagarias...the world's foremost expert. [It also contains] a tremendously useful, richly annotate bibliography...[to] round out the volume. ....A must for all libraries. Highly recommended." ---- D.V. Feldman, Choice"[This book includes] a tremendously useful, richly annotated bibliography. A thorough reading of this book will likely convince readers that heuristics support the problem's having an affirmative answer, with any proof lying very deep. A must for all libraries." ---- Choice"[T]his book is a thorough account of an open and challenging problem." ---- Vincente Muqoz, The European Mathematical Society