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Ben Babcock

I read, write, code, and knit.

4 Articles Tagged with “CUMC”

  1. CUMC 2010, Days 3 and 4

    It is Saturday, but it doesn't feel like Saturday, mostly because I'm . . . at school. This is the last day of the CUMC. I'm in the last talk of the day, having chosen to attend "Perfect Matchings and Shuffling." Afterward, there is the final keynote, which Ram Murty will deliver on the Riemann hypothesis.

    Yesterday I went to a talk on fractal image compression. The talk itself was not stellar, but there were some good questions on the applications of this type of lossy compression, and the speaker addressed those well.

    In the afternoon Aaron, Rachael, and I took a bus--yes, a bus--down to King St. This was my first time riding public transit, and it wasn't in my own city! Aaron wanted to visit a small record store, Orange Monkey Records, and then i checked out a used bookstore known as Old Goat Books. I bought more books than I should have, considering they need to fit in my sparse luggage--but I couldn't resist.

    The final keynote of the day was delivered by Greg Brill, of Infusion. Although titled "The Evolution of Technology," Brill's talk was not what I expected. He has a…

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  2. CUMC 2010, Day 2

    It is Thursday, July 8.

    After the first talk this morning--on set theory, particularly ZFC--I spent time caressing the lovely wireless network by way of uploading some photos to Flickr. When attempting to geotag them, however, I ran into the slight problem, in that typing "University of Waterloo" into the Flickr map's location finder produced no results.

    So, Yahoo!, in case you are wondering why people drool over Google and its products, here is a hint: we are lazy. When I type in the name of a major university, your map should be able to find it for me. I should not have to go find a postal code on my own, enter that, and wind up in the general vicinity of the campus. (I used Google Maps to find the postal code too, which just seems wrong). It is not that I am a Google fanboy, Yahoo!--they just do it so much better.

    At lunch, I did something completely out of character and chose to be adventurous, purchasing bubble tea for the first time. My less adventurous self was soon vindicated. We went to a fast food place called "The Grill" for food. I attempted to…

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  3. CUMC 2010, Day 1

    It is Wednesday, July 7. The CUMC talks began today.

    I went to four talks today. Rather than summarize them all--I enjoyed them all--I'll mention some highlights. The first talk of the afternoon was both my least favourite and most favourite talk. Entitled "The Ontology of Mathematics: Do Numbers Exist?," the presenter read from dense slides, which did not make for the most riveting experience. There was some lively discussion among the audience, however, and I enjoy talks like that.

    Comparing CUMC to the Combinatorics & Optimization workshop that preceded it, I prefer the student talks of the former. The topics are so varied--there is so much choice within each time slot, that it is difficult to decide which talks to attend. The atmosphere is less intimidating, because it's undergraduates talking to undergraduates. I almost regret not giving a talk myself--almost, for it would involve public speaking, and long gone are the days when classes made that mandatory.

    There were two keynote speakers, one at lunch and one at the end of the day. First, Frank Morgan, from Williams College, gave a talk on densities and the Poincaré conjecture. As I have never studied differential geometry, most of the mathematics…

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  4. Combinatorics and Optimization, Day 2

    It is Tuesday, July 6.

    Today's four talks began with electrical networks and random walks. That is, suppose you have a graph that describes a network through which electricity flows. Starting at a vertex x, what is the probability that, when walking at random along the graph, we will arrive at a vertex s instead of a vertex t? This talk was very easy to follow (for which I am thankful), even though I don't have any engineering or physics background with which to understand the electrical current aspects (like voltage law).

    Unfortunately, the second talk involved probability. Probability is great, but I find it very difficult, so this talk was hard to follow. The third talk was about embedding locally-compact metric spaces on surfaces (it is not as scary as it sounds). Finally, the fourth talk was about matching polynomials. The speaker went rather briskly, so it was difficult to take detailed notes, but I enjoyed the subject. Before this summer, I had no idea that polynomials and graphs went so well together. Now it seems like they're inseparable.

    And that concludes the Combinatorial and Optimization workshop. There was a banquet for CUMC at the Huether Hotel,…

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