Off on a Tangent 17.6

Mathematical gift ideas It is that time of year. No, not final exams, Christmas shopping. But what do you get the math geek on your Christmas list this year? To help you out, Business Insider made a list of some awesome gifts that include a Klein Bottle bottle opener, a telescope for your iPhone, chocolate gaming dice, […]

Off on a Tangent 17.5 (part b)

Graph Pebbling colloquium this week! Title: Graph Pebbling Speaker: Dr. Airat Bekmetjev, Hope College When/Where: 11 am on Thur, Nov 29 in VanderWerf 104 Abstract: Pebbling is a process defined on a connected graph. Pebbles are configured on vertices of the graph and are moved along the edges. A pebbling move consists of taking two pebbles from a vertex, placing one on an […]

Off on a Tangent 17.5

The irrationality of pi will be presented in next week’s colloquium Title: Niven’s Proof of the Irrationality of Pi Speaker: Dr. Aaron Cinzori, Hope College When/Where: Tuesday, November 13, at 11:00 a.m. in VWF 102 Abstract:  Approximations of the value of pi are known to a ridiculous number of digits.  But to actually establish that pi is not […]