Front Matter
Articles
How Not to Get Lost While on a Random Walk
Robert Lewand
Curvature and the Shape of the Universe
Chikako Mese
Newton’s Unfinished Business: Uncovering the Hidden Powers of Eleven in Pascal’s Triangle
Robert Arnold, Tom Attenweiler, Christopher Brockman, Bethany Lesko, Christine Martinek, Colleen McCormick, Jessica McQuiston, Jessica Parker, and Amy Rohmiller
Ramanujan Graphs in the Construction of LDPC Codes
Walter H. Chen
Pebbling on Directed Graphs
Gayatri Gunda and Aparna Higgins
Newton-Raphson Versus Fisher Scoring Algorithms in Calculating Maximum Likelihood Estimates
Andrew Schworer and Peter Hovey