Blog Archives

March for Science MN

This gallery contains 19 photos.

Had a great time at March for Science MN last weekend.  (The fact that it was in the 70s and sunny didn’t hurt!)  Here are some photos.   Some more posters I liked but didn’t get good photos of included … Continue reading

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Montreal

This gallery contains 16 photos.

D and I were in Montreal in October to visit my good friend Alejandro and his girlfriend Alexia, and to give a talk in the Combinatorics Seminar at LaCIM. I think in some sense this was the first time D … Continue reading

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Paris

This gallery contains 26 photos.

Just returned from FPSAC Paris.  I only took a few pictures; they are below.  Here are a few things that were wonderful: The Musée d’Orsay, especially Van Gogh and Monet.  Also, the 3rd floor (which you can hardly tell exists; … Continue reading

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Spring break in Minnesota

This gallery contains 17 photos.

On Monday, it was 29 degrees Fahrenheit out when I left for work in the morning; perhaps two inches of snow had fallen the night before.  It got steadily colder all day.  Tuesday night, the low was 1 degree.  I … Continue reading

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Twin Cities photos

This gallery contains 26 photos.

Some pictures of some of the places I’ve been since I moved here a month and a half ago.  Notably, I haven’t actually made it into downtown Minneapolis yet except en route to and from the airport.  (I did make … Continue reading

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Origami gallery 2

This gallery contains 17 photos.

A varied assortment of Sonobe creations.

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Meta-origami

This gallery contains 6 photos.

Origami made from origami instructions: (The first two show a proper, symmetric 3-coloring of the octahedron with four units each of purple, teal and orange.)

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T-shirts I have owned

This gallery contains 80 photos.

I own or have owned a lot of t-shirts; here are photos of many of them. Being involved in math competitions kept me clothed for much of middle and high school; this includes are most of the t-shirts I have … Continue reading

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Thanksgiving

This gallery contains 8 photos.

Spent Thanksgiving in Upstate New York and in Providence, RI.  Took a few photos, of which these are (regrettably) the best — some sights from Hillsdale as we tried to walk off some of the food we’d eaten, the boiled … Continue reading

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Origami gallery

This gallery contains 20 photos.

Below the fold is a collection of some of my recent origami constructions.  They include 3-colorings of all small Sonobe constructions: the “smushed cubes”: a triangle, tetrahedron, triangular bipyramid, and a complex of three tetrahedra, Both complexes of four tetrahedra, … Continue reading

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