OPEN NEIGHBORHOOD
November 4, 2020 4:30 pmI'll talk about basic ruler and compass constructions, about math as exploration, about making space in mathematics, and about Harvard. Oh, and of course, the election. Please go to the...
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OPEN NEIGHBORHOOD
October 21, 2020 4:30 pmThe lecture follows the title as a guiding thread. Zoom: https://harvard.zoom.us/j/96759150216
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OPEN NEIGHBORHOOD
September 23, 2020 4:30 pmWe'll start with a type of doodle most of you have done since you were little, and start wondering about it. We'll be led through a number of questions I've...
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OPEN NEIGHBORHOOD
September 16, 2020 4:30 pmWe consider the problem of finding 3 positive integers (a,b,c) such that a/(b+c)+b/(c+a)+c/(a+b)=4. We will examine how the problem became a viral post on Facebook, solve the problem using elliptic...
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OPEN NEIGHBORHOOD
September 9, 2020 4:30 pmI will report on a dynamical way of thinking and tell you a little about my own personal experience as a mathematician. Zoom: https://harvard.zoom.us/j/96759150216
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OPEN NEIGHBORHOOD
September 2, 2020 4:30 pmMath Table/Open Neighborhood Seminar You've probably seen pictures drawn on the chalkboard of a torus (the surface of a donut) or the Klein bottle, a torus with many holes, and...
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OPEN NEIGHBORHOOD
February 19, 2020 4:30 pmMax Dehn made many remarkable contributions to mathematics, and his name pops up in lots of places, most often in topology, where we have "Dehn surgery", the "Dehn twist", and...
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OPEN NEIGHBORHOOD
February 5, 2020 4:30 pmImagine the universe is a periodic crystal. If gravity makes space negatively curved, the thin walls of the crystalline structure might trace out a pattern of circles in the sky, visible...
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OPEN NEIGHBORHOOD
November 13, 2019 4:30 pmConsider these basic questions: What can we say about finite sums of powers of consecutive whole numbers? What can we say about whole number solutions to polynomial equations? What about...
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