Category Archives: mathematics

Levitating slinkies

My video pick of the week. Keep your eyes on the _bottom_ of the slinky. Via  http://kottke.org/12/06/holy-levitating-slinky Advertisements

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Summer school in Mexico City

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We are off to Mexico City, partly for this summer school at UNAM, partly to visit colleagues there, but also just for the sake of Mexico City and its surroundings. Photos coming soon …

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LaTeX2WP: Power tool for mathematical blogging

If you want to prepare blog posts using latex and then convert them for cut and paste into a WordPress.com blog, try LaTeX2WP Terry Tao was a guinea pig for its development, and his site terrytao.wordpress.com is an example of … Continue reading

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Canonical Hamiltonian equations, real and complex, and a colloquium

Here are the canonical forms of Hamiltonian equations, in both the most familiar real form and the complex form, which is often conveniently in situations involving either Schroedinger’s equation or other conservative equations involving complex quantities, such as in optics. … Continue reading

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Welcome, and blogging with math notation

My first goal is to be able to post mathematical content, like . That strangely is raised above the text line as a whole. Maybe it works better in “dispaystyle”, on a separate line: .

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