Fall 2024 courses:

Math 139, Quantitative Reasoning. Sections 16 (MoWe 12:30pm-1:45pm McGraw 117),  30/W (Online), and 31/W (Online).

Math 151, Trigonometry. Section 2 (TuTh 11:00am-12:15pm Heide 219.)

Math 253, Calculus and Analytic Geometry I. (MoTuWeTh 10:00am-10:50am Hyland 1317.)

My office is Laurentide 2215, my Fall 2024 student office hours are 11:15am-12:15pm Mondays and Wednesdays; 12:30pm-2pm Tuesdays and Thursdays; and by appointment. They may still be via webex. Yes, my office has both Packers and Broncos stuff in it. Here's why. I've also traveled to 5 continents, between 20 and 24 countries (depending on how you count the Falklands [Argentina/UK], Antarctica, and Aruba [separate from the Netherlands or not] - 21 is probably the right number (counting the US), and 39 US states (plus a district and a territory), as well as some land that's not part of any country.

Current research:

Boolean Algebras

Infinite Graph Theory

Set Theory



My Mathematical Genealogy


November 17, 2012. BAs & Hypergraphs

September 20, 2017. Measuring Starlight Deflection during the 2017 Eclipse.  

April 6 and 10, 2018, updated version of above at MAA-Wisconsin Section meeting and Video from UW Space Place