Monthly Archives: June 2013

Preparing for an online course

Right now I’m attending an intensive one-week workshop to prepare for teaching an online course for the Global Online Academy this coming fall. The workshop, and teaching the course, are sure to be educational for me as a teacher. But … Continue reading

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More cool numbers

I just made a short series under the “cool numbers” heading, about why 15 and 290 are cool. It gives a quick introduction to the idea of universal quadratic forms, and work of Conway, Bhargava, and others. When I’m not … Continue reading

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Exciting real-time developments about prime numbers

Just a short post to note a way in which you can watch mathematical progress as it happens. Last month, Yitang Zhang announced a proof of a result that says that there are an infinite number of prime pairs no … Continue reading

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Thinking about waves

I’ve had fun the last week preparing for an upcoming talk to the senior citizen group OASIS. This time around I’m talking about Fourier series, or more picturesquely, how our lives are influenced greatly by the technique of thinking about … Continue reading

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Two belated anniversaries

I’ve found it enjoyable recently to track what was happening in mathematics (and physics) 100 (and 50,150,200…) years ago, in the spirit of Scientific American‘s venerable “50, 100, and 150 years ago” column. I got into it last summer when … Continue reading

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Why 1,0,and 6 are prime (in a manner of speaking…)

This is a fun little tidbit that may not ever be worth a video, since it’s rather silly. To start with, let me be clear that I’m not saying that any of these three numbers are prime in the usual … Continue reading

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