Mark Kirstein

@nonergodicMark

DAAD PRIME Fellow on non- economics & Institute of Mathematics

Stochastic Cosmos
Vrijeme pridruživanja: kolovoz 2017.

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  1. Prikvačeni tweet
    8. svi 2019.

    Only few witness a scientific breakthrough during their PhD. I was attentive enough to realise is one. From that time on myriad of scientific puzzles wait for you. I intend to solve (at least) one of them during my DAAD PRIME time ;). non-

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  2. proslijedio/la je Tweet

    From the Mandelbrot set to the logistic map. Thanks for the nonlinear dynamic system course!

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  3. 29. sij
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  4. 29. sij

    Nice paper by & S. Solomon combining the ideas of growth-optimality (Kelly strategies) and cooperation (). They also find the cooperation literature has so far predominantly studied additive dynamics.

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  5. 29. sij

    I worry that a solution is beautiful is always possible to say. You can always dismiss refutations by saying, you don't see/know where the beauty is.

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  6. 29. sij
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  7. 29. sij

    First reason is still heuristic. Second reason I don't understand at the moment ;) p. 23-24

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  8. 29. sij

    A utility function doesnt need to be bounded to act as an ergodicity transformation. In his PhD thesis from 1966 Nils Hakansson questioned the received wisdom of Menger to demand bounded utility functions for EUT to work and prevent paradoxes like Super St.Petersburg.

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  9. 28. sij

    "The research worker [ ] should strive mainly for mathematical beauty [and] take simplicity into consideration in a subordinate way to beauty." P Dirac Luckily, doesn't need a lot ergodic theory to make its point. Which parts or results of ET could become useful?

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  10. 28. sij

    Important insight from : Ensemble Average Maintenance: Even though suggestive names, non-expected utility theories still rely on generalised ens. averages, introducing idiosyncratic psychological effects in the disguise of free parameters 10.1257/jel.38.2.332

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  11. 27. sij

    Latest issue of the features in the editorial. Good job, Jakob! Dear heterodox economists, feel free to contact me if you want to know more.

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  12. 25. sij

    Ok I am having a mental breakdown right now.

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  13. 25. sij

    This was so fascinating, I would have an immediate mental breakdown right now, if I hadn't first-hand experience of the DISC related to the work on of

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  14. 25. sij

    My future self tells me to retweet and like this to later say I always had this opinion.

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  15. proslijedio/la je Tweet
    24. sij
    Odgovor korisnicima i sljedećem broju korisnika:

    That’s non-ergodicity: the expectation value tells you one thing; reality (assuming that’s one system over time, or N systems) does something systematically totally different.

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  16. 24. sij

    The insight here relates to my earlier tweet on Cover. Many scientific fields steer towards a common centre of gravity -> Growth-Optimality.

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  17. 24. sij

    Progress in science is not always incrementally solving puzzles. A fundamental change can imply that certain FACTS simply do not constitute a puzzle anymore. is not the only theory where puzzles disappear, see Eckhard Platen on the Benchmark Approach

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  18. 24. sij

    I think a lot of this history about the influence of Samuelson on Economics needs to be rewritten sooner or later. Does anybody know of a critical account in this volume?

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  19. 22. sij

    Samuelson the old poet

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  20. proslijedio/la je Tweet
    22. sij
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  21. 22. sij

    I know , but wasn't aware of but here is a goodie or should I say a badie from MasCollel ea. 1995, p. 42. Enjoy:

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