nucleation

LIT-1837: Comparison between different methods of level identification

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StatusUnavailable — registered 2026-10-29 from the triage of the day, not read. A lawful full text was sought on 2026-10-29 and not reached. OpenAlex reports it closed, with no repository full text; it lists CiteSeerX (10.1.1.401.4652; the connection was reset), MPG's edoc record 708568 (it redirects to pure.mpg.de, which answered 403 and a bot check, and no file was seen) and TUHH's repository (hdl 11420/14500, a metadata record whose PDF link is a placeholder). World Scientific offers only paid access. No arXiv deposit was found. The MPI MIS publication list for Olbrich gives the journal article and no MiS preprint for it. A web search names a Santa Fe Institute working paper, 13-11-035, at https://www.santafe.edu/media/workingpapers/13-11-035.pdf; that address returned 404 on 2026-10-29, and the working paper was not found elsewhere on the SFI site or at EconPapers. It stays Unavailable until a copy is supplied. Its results on informational closure, commutativity (lumpability) and Markovianity are known to the record second-hand, through NOTE-1030 and NOTE-1400.
Tagscomplex-systems, information-theory, mathematics

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Pfante, O., Bertschinger, N., Olbrich, E., Ay, N. & Jost, J. (2014). Comparison between different methods of level identification. Advances in Complex Systems 17(2), 1450007. doi:10.1142/S0219525914500076

Not read: no lawful full text was reached on 2026-10-29 (status note).

Why this is here

The triage of 2026-10-29 (curation entry of 20:59) filed it for QUESTION-252, which asks which conditions on an effective description entail or are parameters of the others. Rosas et al. (NOTE-1030) credit it with the equivalence of informational closure and commutativity for Markov spatial coarse-grainings, which THEORY-820 and THEORY-822 generalize and re-derive, and Krakauer et al. (NOTE-1400) cite it for the general case of closure implying sufficiency. CLAIM-409 rests on those THEORYs. The record holds these results second-hand.

Seeded from the citing readings and the repository record, not a reading. A reading should check the claims above first.

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