Tag Archives: linkdump

August 2015 linkdump

  • There’s a new biography of Grothendieck, this one in French.  Any chance it’ll be translated?
  • Let felons vote and let them carry guns — the ultimate left-right compromise reform?  Why not?  Everybody believes there’s some core of constitutional rights an American doesn’t give up, no matter what they do.  Felon or no felon, you have the right to free speech and the right to a trial by jury.  I think voting belongs in that inner circle.  I don’t really feel that way about gun ownership, but I get that a lot of people do.  And — purely as a practical matter — the typical felon who’s served his time is surely more correct in feeling he needs a firearm to protect himself than, say, I do.
  • “Pinch my cheeks and call me gorgeous — it’s Raven!”  This panel has been floating in my memory for about thirty years.  CJ really likes the Teen Titans show that’s on Cartoon Network now, and watching him watching it inspired me to see if I could actually find an image.  Thanks, tumblr.
  • Indietracks Compilation 2015.  As always, a great collection of songs.
  • At some point I will try to find time to think more seriously about the claim by Josh Miller and Adam Sarjurjo that the famous Gilovich-Vallone-Tversky study finding no evidence for the hot hand in basketball actually found strong evidence for the hot hand in basketball.  The whole thing comes down to screwy endpoint problems when you average results of a bunch of short trials.  It has some relation to the perils of averaging ratios.
  • Pretty sure this cartoon calculus book is the very one that was sitting on the shelf in Mrs. Levin’s 6th grade classroom, which I became absolutely obsessed with.
  •  Do you think the most Shazammed songs are the most popular songs, or songs that best combine popularity with being a song no one knows the name of?  I like that you can see the country-by-country charts:  here’s Thailand, where they love Meghan Trainor, or don’t know her name.
  • Good-looking conference at the Newton Institute about large graphs.
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September linkdump

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Math linkdump Nov 11

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Back to school linkdump

  • Fellow O’s fan Tom Scocca explains why the Red Sox are the new Grateful Dead in the Boston Globe. (Previously on Quomodocumque:  why the Red Sox are John McCain.)
  • David Carlton is moving to Playdom to work for Steve Meretsky.  Steve Meretsky!  The guy who wrote Planetfall!
  • From Baseball Reference:  on August 18. 1998, the Braves got nine hits against the Giants, all doubles.  Will this feat ever be repeated?  About 20% of hits are doubles.  let’s say that for some ballparks, or some batting lineups, the chance a hit will be a double goes up to 1/4.  Then you might figure the chance of nine hits all being doubles would be (1/4)^9, about one in a quarter-million.  (If the chance of a double is 1 in 5, this goes down to one in two million.)  From that point of view, it’s not so shocking; there have been about three hundred thousand MLB games played this century, so why not?  Two problems.  1.  Doubles used to be a lot less common then they are now.  2.  If you hit nine doubles off a team’s pitching staff, it probably means they’re having a terrible day, and it probably means at some point you’re going to hit a home run.  I think a much better way to assess whether another team’s likely to match the Braves is to check how many times a team has managed eight doubles without a hit.  And nobody has.  Not seven, either, or six. And just five teams have had 5 doubles in a game with no other hits.  I think the Braves are safe here.   And I think this is a good example of a question where just looking at the data gives you a much more robust answer than a half-assed probability calculation.
  • Not a link:  based on the response to my question, tons of people follow the new postings on the arXiv. But hardly anyone follows it, as I do, in Google Reader — according to their stats, the RSS feed for math.AG has only 98 subscribers and math.NT just 83.
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