Professor Christopher French cowrote an article, "Hankel Transforms of Linear Combinations of Catalan Numbers" with math majors Michael Dougherty, Benjamin Saderholm, and Wenyang Qian, all math majors in the class of 2012. The article appeared on April 20 in the Journal of Integer Sequences, Vol. 14 (2011), Article 11.5.1. In this paper, the authors consider the result of applying a certain operation called the Hankel Transform to certain sequences of numbers obtained in a natural way from the famous Catalan number sequence.
Teaching and Learning
The Grinnell College Putnam team placed 46th out of 546 teams from across the U.S. and Canada. The annual exam took place in December with 16 Grinnell students among the 4296 students who took the exam. Grinnell College had four students score at least a 20:
Professors Shuman, Blanchard, Chamberland, T. Moore, and E. Moore take advantage of spring recess to attend workshops, do research, and give lectures.
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Tom Moore presented the CAUSE Webinar (internet-based seminar) on "Using baboon 'mothering' behavior to teach Permutation tests," on September 14, 2010. CAUSE is the Consortium for the Advancement of Undergraduate Statistics Education. Archived webinars can be found at www.causeweb.org.