The Cosmological Constant
http://super.colorado.edu/~michaele/Lambda/lambda.htmlBrief overview of the role of the cosmological constant in modern cosmology, using mathematics at an undergraduate level (and, rarely, beyond). Includes a list of technical articles and links. By Eli Michael (University of Colorado at Boulder).
Submitted in section: Astronomy: Cosmology: Cosmological Constant and Dark Energy: The Cosmological Constant