Math Horizons - September 2008

A Dozen Questions about Pascal’s Triangle

Properties of Pascal's "pyramid" from pizzas and parentheses to personalized polynomials.

Sum of Two Cubes in Two Different Ways
Peter Schumer

Some mathematical twists to the tale of Ramanujan, Hardy, and the famous taxicab number 1729.

Miscalulated

The true story of a misguided mathematician, Dr. Samuel I. Krieger.

Derivatives Without Limits

An elementary method for differentiating a large class of functions.

Mathematics of the Human-Vampire Conflict

An argument on the impossibility of vampires disintegrates when exposed to the harsh light of reason.

Perspectives on Mathematics in Art History

A new angle on the mathematics of perspective drawing.

Mathematics in the Mountains: The Park City Mathematics Institute

An annual gathering of students, researchers, and educators in a breath-taking and mind-expanding environment.

Book Reviews

Students review Infinity and the Mind by Rudy Rucker and To Infinity and Beyond: A Cultural History of the Infinite by Eli Maor.

Fibonacci Mobiles

An artistic way to see how the Fibonacci numbers hang together.