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KevinSimler's profile
Kevin Simler
Kevin Simler
Kevin Simler
@KevinSimler

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Kevin Simler

@KevinSimler

Writer, software person, armchair anthropologist, dilettante. All genders, all political opinions welcome. Book: https://amzn.com/0190495995/ 

San Francisco, CA
meltingasphalt.com
Joined March 2011

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    1. Kevin Simler‏ @KevinSimler May 13
      • Report Tweet

      GOING CRITICAL — a 🆕 interactive essay! How to prevent disease, control nuclear reactions, and encourage the spread of ideas. All with playable simulations. https://meltingasphalt.com/interactive/going-critical …pic.twitter.com/UBIhO2Aadr

      117 replies 676 retweets 1,864 likes
      Show this thread
    2. Elad Verbin‏ @verbine May 16
      • Report Tweet
      Replying to @KevinSimler

      Wonderful post! You might want to check out the book "Loonshots" by Safi Bahcall. He also uses network theory and criticiality to study the development of knowledge inside organizations. He gives a great interview about this particular topic, here: https://pca.st/4o0u  >>

      1 reply 0 retweets 4 likes
    3. Elad Verbin‏ @verbine May 16
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      Replying to @verbine @KevinSimler

      >> Geek note: In fact, Bahcall borrows from the notion of phase transitions , not of percolation. Phase transformations are also a kind of criticality. But they arise in stochastic processes that model physical matter. >>

      1 reply 0 retweets 1 like
    4. Elad Verbin‏ @verbine May 16
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      Replying to @verbine @KevinSimler

      >> The main different is that in your models a node is "on" or "off", and typically graduates from off to on etc. But in the physical models nodes fluctuate repeatedly between different states (similar to your SIS model). >>

      1 reply 0 retweets 1 like
    5. Elad Verbin‏ @verbine May 16
      • Report Tweet
      Replying to @verbine @KevinSimler

      >> But really, it's a similar treatment, of a similar phenomenon: the effect of the network topology on the spread of ideas. I'm trying to figure out the history of studying the spread/development of ideas through network theory. Do you know of a systematic treatment? >>

      1 reply 0 retweets 1 like
    6. Elad Verbin‏ @verbine May 16
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      Replying to @verbine @KevinSimler

      >> There are some echos of it in Guns, Germs and Steel. The field of Urban Studies also touches on it, studying how density of urban neighborhoods creates a spread of ideas by people colliding with each other. I wonder who else touches on it.

      1 reply 0 retweets 1 like
    7. Kevin Simler‏ @KevinSimler May 16
      • Report Tweet
      Replying to @verbine

      Thanks for the info and the podcast link. I know there are many angles on this thing! IIRC the economists have also been studying it (not too surprising), but I'm not too familiar with the literature. I think these two books touch on it:https://www.amazon.com/Knowledge-Wealth-Nations-Economic-Discovery/dp/0393329887 …

      1 reply 0 retweets 0 likes
      Kevin Simler‏ @KevinSimler May 16
      • Report Tweet
      Replying to @KevinSimler @verbine

      and https://www.amazon.com/Why-Information-Grows-Evolution-Economies/dp/1536619086 … but I'm sure there are many other, more focused/foundational texts that I'm just not aware of!

      10:44 PM - 16 May 2019
      • 2 Likes
      • Nirmal Thacker Leon T
      1 reply 0 retweets 2 likes
        1. New conversation
        1. Safi Bahcall‏ @SafiBahcall May 18
          • Report Tweet
          Replying to @KevinSimler @verbine

          Re percolation & epidemic phase transition: In the 70s, 80s, mathematicians proved the formal equivalence between the percolation model & models for disease spread (eg SIS, SIR). Plus -- quite a few other remarkable connections (fracture, forest fires, etc) 👇pic.twitter.com/Xnyc1vD6rZ

          1 reply 0 retweets 0 likes
        2. Safi Bahcall‏ @SafiBahcall May 18
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          Replying to @SafiBahcall @KevinSimler @verbine

          (above from #Loonshots chap 6, 'marriage + forest fires + terrorists') For an excellent recent summary on network theory, disease models, + percolation see Mark Newman's book Intro to Networkshttps://www.amazon.com/Networks-Second-Mark-Newman/dp/0198805098 …

          0 replies 0 retweets 1 like
          3. End of conversation

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