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duetosymmetry

HN member
Joined
Tue, Feb 26, 2013, 1:56 AM UTC
HN karma
56
Public activity
10 items

About duetosymmetry

Associate Professor at U of Mississippi. Black holes, gravitational waves, general relativity and beyond. Formerly at Caltech, Cornell, MIT.

Recent public activity

  1. comment
    Comment #41535713

    Greenspun's tenth rule strikes again! https://en.wikipedia.org/wiki/Greenspun%27s_tenth_rule

  2. story
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  4. comment
    Comment #15967086

    Hi, yes, it's open source. My web site's github repo is at https://github.com/duetosymmetry/web-site/tree/customization . The JS for controlling the web toy is at https://github.co…

  5. comment
    Comment #15953667

    I wanted to keep the UI from getting too busy, which is why I limited the degree to 7. But if somebody really wants to play with higher-degree polynomials, I'm not going to stop th…

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    Comment #14686225

    I was just pondering about this. I imagine that moving a coefficient a small amount (and so long as the roots are not too close) that Newton-Raphson, initialized with a previously-…

  8. comment
    Comment #14127262

    That's the one in our galaxy, and the other target—in the galaxy M87—is around 5 billion times the mass of the sun!

  9. comment
    Comment #14127246

    I believe every radio telescope has their own reference clock that lives at the site. The EHT team is not responsible for schlepping these clocks around. There are other reasons be…

  10. comment
    Comment #5283359

    > fixed-length binary strings are a group where the operation is xor (or '^') and inv(x) = x Most people would call this group (Z/2Z)^n, i.e. n copies of Z/2Z under addition. Simil…