Additional
Information: Sites related to the Catalan Conjecture, that 8 and 9 are the only consecutive powers.
Catalan Conjecture Sites:
Math Trek: Conquering Catalan's Conjecture Math Trek: Conquering Catalan's Conjecture: News article explains that Preda Mihailescu of the University of Paderborn in Germany may finally have the key to solving venerable problem. Features bibliographic references and links. (Catalan Conjecture) http://www.sciencenews.org/articles/20020622/mathtrek.asp
StudyWorks Online : Another Big Conjecture Proved StudyWorks Online : Another Big Conjecture Proved: Describes the solution to the problem with examples and offers links. (Catalan Conjecture) http://www.studyworksonline.com/cda/content/article/0,,NAV4-44_SAR1782,00.shtml
Catalan's Problem Catalan's Problem: Entry in the Prime Glossary with description, brief history and references. (Catalan Conjecture) http://primes.utm.edu/glossary/page.php/CatalansProblem.html
Catalan's Conjecture Catalan's Conjecture: Describes the basic equation and special cases. Provides related links. (Catalan Conjecture) http://mcraefamily.com/MathHelp/PuzzleUnsolvedCatalan.htm
The Prime Glossary: Catalan's Problem The Prime Glossary: Catalan's Problem: Find a description of the equation and a brief explanation of the importance to numerical theory. (Catalan Conjecture) http://primes.utm.edu/glossary/page.php?sort=CatalansProblem
MathWorld News: Draft Proof of Catalan's Conjecture Circulated MathWorld News: Draft Proof of Catalan's Conjecture Circulated: News brief announcing the break through that provides a history and description of the equation. (Catalan Conjecture) http://mathworld.wolfram.com/news/2002-05-05/catalan/
Wikipedia: Catalan's Conjecture Wikipedia: Catalan's Conjecture: Brief article offers a description of the problem and features links. (Catalan Conjecture) http://en.wikipedia.org/wiki/Catalan's_conjecture
MathWorld: Catalan's Conjecture MathWorld: Catalan's Conjecture: Features an explanation of the equation and offers bibliographic references. (Catalan Conjecture) http://mathworld.wolfram.com/CatalansConjecture.html
Zeroing In on Catalan's Conjecture Zeroing In on Catalan's Conjecture: MathTrek: Science News Online article. (Catalan Conjecture) http://www.sciencenews.org/20001223/mathtrek.asp
Powers Differing By 1 (Catalan) Powers Differing By 1 (Catalan): Article describes how certain special cases of this conjecture can be proven by very simple arguments. (Catalan Conjecture) http://mathpages.com/home/kmath104.htm