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stevenstrogatz's profile
Steven Strogatz
Steven Strogatz
Steven Strogatz
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@stevenstrogatz

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Steven StrogatzVerified account

@stevenstrogatz

Mathematician, writer, Cornell professor. All cards on the table, face up, all the time.

Ithaca, NY
stevenstrogatz.com
Joined May 2012

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    Steven Strogatz‏Verified account @stevenstrogatz 26 Dec 2018

    My latest essay - hope you enjoy it. One Giant Step for a Chess-Playing Machine via @NYTimes.https://www.nytimes.com/2018/12/26/science/chess-artificial-intelligence.html …

    8:55 am - 26 Dec 2018
    • 267 Retweets
    • 610 Likes
    • Re-Experiment Carlo Rivolta Sankul daisukelab Simon Hiaty 🌼💛 IoT For All Jacob #before jan 3 Sebastian Ruder
    38 replies . 267 retweets 610 likes
      1. New conversation
      2. Zachary Lipton‏Verified account @zacharylipton 26 Dec 2018
        Replying to @stevenstrogatz @MelMitchell1 @nytimes

        Hi Steven, I'm worried the anthropomorphic ("a breed of intellect that humans have not seen before") & hyperbolic ("supreme insight") statements mislead. Also that the article overstates the ease of generalizing from function approximation to broader categories of problem solving

        9 replies . 15 retweets 149 likes
      3. Steven Strogatz‏Verified account @stevenstrogatz 26 Dec 2018
        Replying to @zacharylipton @MelMitchell1 @nytimes

        Thanks for raising these very good counterpoints!

        0 replies . 0 retweets 12 likes
      4. End of conversation
      1. New conversation
      2. Ron Buckmire 🏳️‍🌈‏ @madprofessah 26 Dec 2018
        Replying to @stevenstrogatz @nytimes

        Beautiful piece! As a pretty strong chess player myself (FIDE 2300 USCF 2400), the stiff AlphaZero comes up with is astonishing. Some of its games with Stockfish are the most elegant have ever seen.

        1 reply . 0 retweets 8 likes
      3. Steven Strogatz‏Verified account @stevenstrogatz 26 Dec 2018
        Replying to @madprofessah @nytimes

        Thanks Ron. And “pretty strong” is quite an understatement on your part!

        0 replies . 0 retweets 3 likes
      4. End of conversation
      1. New conversation
      2. SFPrichard‏ @SfPrichard 26 Dec 2018
        Replying to @stevenstrogatz @nytimes

        Very nice essay. It’s rare reading an article in popular media that refers to chess and actually has intelligent things to say. The black box problem is annoying. It would be nice to know if AlphaZero has discovered some as yet unknown principles, or if it’s just Kasparov^n

        1 reply . 0 retweets 2 likes
      3. Steven Strogatz‏Verified account @stevenstrogatz 26 Dec 2018
        Replying to @SfPrichard @nytimes

        Thanks 🙏

        0 replies . 0 retweets 1 like
      4. End of conversation
      1. New conversation
      2. P A Hunt‏ @TeachFMaths 26 Dec 2018
        Replying to @stevenstrogatz @nytimes

        A great read, Steven.

        1 reply . 0 retweets 1 like
      3. Steven Strogatz‏Verified account @stevenstrogatz 26 Dec 2018
        Replying to @TeachFMaths @nytimes

        Thanks Paul!

        0 replies . 0 retweets 1 like
      4. End of conversation
      1. New conversation
      2. Olimpiu G. Urcan‏ @olimpiuurcan 26 Dec 2018
        Replying to @stevenstrogatz @nytimes

        Excellent piece.

        1 reply . 0 retweets 0 likes
      3. Steven Strogatz‏Verified account @stevenstrogatz 26 Dec 2018
        Replying to @olimpiuurcan @nytimes

        Thanks 🙏 (BTW, I enjoy your tweets about chess!)

        0 replies . 0 retweets 2 likes
      4. End of conversation
      1. New conversation
      2. Craig Ogawa‏ @craigaroo 26 Dec 2018
        Replying to @stevenstrogatz @nytimes

        for those interested, @agadmator analyzes (if that word can still be used) some of AlphaZero's games against Stockfish on YouTube

        1 reply . 3 retweets 11 likes
      3. Craig Ogawa‏ @craigaroo 26 Dec 2018
        Replying to @craigaroo @stevenstrogatz and

        Here's one game where AlphaZero's "insight" was quite astonishing - a game @agadmator calls an "immortal Zugzwang" game (Zugzwang, German for "forced to move", is where a player wishes they could "pass" because any move they make hurts their position)https://youtu.be/lFXJWPhDsSY 

        1 reply . 1 retweet 2 likes
      4. Craig Ogawa‏ @craigaroo 26 Dec 2018
        Replying to @craigaroo @stevenstrogatz and

        and another where AlphaZero seems to violate opening principles, moving one piece several times in the opening, only to obtain lead in development & play according to "romantic" principles of initiative, attack, movement of pieceshttps://youtu.be/NaMs2dBouoQ 

        0 replies . 0 retweets 2 likes
      5. End of conversation
      1. New conversation
      2. Leonid Kruglyak‏ @leonidkruglyak 26 Dec 2018
        Replying to @stevenstrogatz @nytimes

        One key difference between AlphaZero and “AlphaInfinity” is the lack of a clear objective function to maximize.

        2 replies . 0 retweets 4 likes
      3. Antoine Dennison‏ @AntoineDennison 26 Dec 2018
        Replying to @leonidkruglyak @stevenstrogatz @nytimes

        Alphainfinity would be a true General Intelligence, as I understand it. Rather than a system that merely optimizes narrowly, but considers millions of variables and predicts outcomes reliably and interprets those outcomes with 'wisdom'.

        1 reply . 0 retweets 0 likes
      4. Leonid Kruglyak‏ @leonidkruglyak 26 Dec 2018
        Replying to @AntoineDennison @stevenstrogatz @nytimes

        Right, my point is that none of the current approaches even begin to point to how we’d get to such a system, as they’re based on having an objective function and ground truth to work with.

        3 replies . 0 retweets 5 likes
      5. Natesh Ganesh‏ @GaneshNatesh 27 Dec 2018
        Replying to @leonidkruglyak @AntoineDennison and

        1/n The generalized obj fn is energy efficiency. Under specific thermodynamic energy eff conditions, a system has to learn+predict its environment. Brains are not energy eff because they learn. The learning is a manifestation of energy efficient dynamics.

        1 reply . 0 retweets 1 like
      6. Natesh Ganesh‏ @GaneshNatesh 27 Dec 2018
        Replying to @GaneshNatesh @leonidkruglyak and

        2/n So the goal is how do we design/fabricate systems that satisfy required thermodynamic cond as opposed to computational ones? I think these guys at UCLA are a perfect test-bed to build uponhttps://journals.plos.org/plosone/article?id=10.1371/journal.pone.0042772 …

        0 replies . 0 retweets 1 like
      7. End of conversation
      1. New conversation
      2. Ash Jogalekar‏ @curiouswavefn 26 Dec 2018
        Replying to @stevenstrogatz @nytimes

        Nicely written! But I don't quite agree that problems in cancer or consciousness would lend themselves to the kind of impressive but still deterministic problem-solving that chess benefits from. ML is still not generating models or hypotheses which are hallmarks of creativity.

        1 reply . 1 retweet 7 likes
      3. 1 more reply

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