Fermi–Pasta–Ulam–Tsingou problem

apparent paradox in chaos theory that many complicated enough physical systems exhibited almost exactly periodic behavior instead of ergodic behavior
Thing physical_phenomenon Q462254
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Fermi–Pasta–Ulam–Tsingou problem

Summary

Fermi–Pasta–Ulam–Tsingou problem is a physical phenomenon[1]. It draws 103 Wikipedia views per month (physical_phenomenon category, ranking #60 of 138).[2]

Key Facts

  • Fermi–Pasta–Ulam–Tsingou problem is credited with the discovery of Enrico Fermi[3].
  • Fermi–Pasta–Ulam–Tsingou problem is credited with the discovery of John Pasta[4].
  • Fermi–Pasta–Ulam–Tsingou problem is credited with the discovery of Stanisław Ulam[5].
  • Fermi–Pasta–Ulam–Tsingou problem is credited with the discovery of Mary Tsingou[6].
  • Fermi–Pasta–Ulam–Tsingou problem's instance of is recorded as physical phenomenon[7].
  • Fermi–Pasta–Ulam–Tsingou problem's instance of is recorded as physical paradox[8].
  • Fermi–Pasta–Ulam–Tsingou problem's instance of is recorded as computer simulation[9].
  • Enrico Fermi is named after Fermi–Pasta–Ulam–Tsingou problem[10].
  • John Pasta is named after Fermi–Pasta–Ulam–Tsingou problem[11].
  • Stanisław Ulam is named after Fermi–Pasta–Ulam–Tsingou problem[12].
  • Mary Tsingou is named after Fermi–Pasta–Ulam–Tsingou problem[13].
  • Fermi–Pasta–Ulam–Tsingou problem's time of discovery or invention is recorded as +1953-00-00T00:00:00Z[14].
  • Fermi–Pasta–Ulam–Tsingou problem's Freebase ID is recorded as /m/087px1[15].
  • Fermi–Pasta–Ulam–Tsingou problem's has characteristic is recorded as vibrating string[16].
  • Fermi–Pasta–Ulam–Tsingou problem's has characteristic is recorded as nonlinearity[17].
  • Fermi–Pasta–Ulam–Tsingou problem's has characteristic is recorded as Quasiperiodicity[18].
  • Fermi–Pasta–Ulam–Tsingou problem's defining formula is recorded as m\ddot{x}j = k(x{j+1} + x_{j-1} - 2x_j)[1 + \alpha(x_{j+1} - x_{j-1})][19].
  • Fermi–Pasta–Ulam–Tsingou problem's Wolfram Language entity code is recorded as Entity["PhysicalEffect", "FermiPastaUlamTsingouProblem"][20].
  • Fermi–Pasta–Ulam–Tsingou problem's World of Physics ID is recorded as Fermi-Pasta-UlamExperiment[21].
  • Fermi–Pasta–Ulam–Tsingou problem's Microsoft Academic ID is recorded as 14559683[22].
  • Fermi–Pasta–Ulam–Tsingou problem's in defining formula is recorded as x_j[23].
  • Fermi–Pasta–Ulam–Tsingou problem's in defining formula is recorded as k[24].
  • Fermi–Pasta–Ulam–Tsingou problem's in defining formula is recorded as m[25].
  • Fermi–Pasta–Ulam–Tsingou problem's Encyclopedia of China is recorded as 298984[26].

Body

Works and Contributions

Credited discoveries include Enrico Fermi[3], a physicist[27], 1901–1954[28], of Kingdom of Italy[29], awarded the Nobel Prize in Physics[30], specialised in nuclear physics[31]; John Pasta[4], a physicist[32], 1918–1981[33], of United States[34], awarded the Bronze Star Medal[35]; Stanisław Ulam[5], a mathematician[36], 1909–1984[37], of United States[38], awarded the John von Neumann Prize[39], specialised in mathematics[40]; and Mary Tsingou[6], a mathematician[41], b. 1928[42], of United States[43].

Why It Matters

Fermi–Pasta–Ulam–Tsingou problem draws 103 Wikipedia views per month (physical_phenomenon category, ranking #60 of 138).[2] It has Wikipedia articles in 7 language editions, a strong signal of global cultural recognition.[44] It is known by 10 alternative names across languages and contexts.[45]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [7] . wikidata.org.
  2. [8] . wikidata.org.
  3. [9] . wikidata.org.
  4. [3] . wikidata.org.
  5. [4] . wikidata.org.
  6. [5] . wikidata.org.
  7. [6] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . Freebase Data Dumps. wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.

Inline context (facts about related entities)

  1. [27] . Wikidata. wikidata.org. → on this site
  2. [28] . Wikidata. wikidata.org. → on this site
  3. [29] . Wikidata. wikidata.org. → on this site
  4. [30] . Wikidata. wikidata.org. → on this site
  5. [31] . Wikidata. wikidata.org. → on this site
  6. [32] . Wikidata. wikidata.org. → on this site
  7. [33] . Wikidata. wikidata.org. → on this site
  8. [34] . Wikidata. wikidata.org. → on this site
  9. [35] . Wikidata. wikidata.org. → on this site
  10. [36] . Wikidata. wikidata.org. → on this site
  11. [37] . Wikidata. wikidata.org. → on this site
  12. [38] . Wikidata. wikidata.org. → on this site
  13. [39] . Wikidata. wikidata.org. → on this site
  14. [40] . Wikidata. wikidata.org. → on this site
  15. [41] . Wikidata. wikidata.org. → on this site
  16. [42] . Wikidata. wikidata.org. → on this site
  17. [43] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [44] . Wikidata sitelinks. wikidata.org.
  3. [45] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Fermi–Pasta–Ulam–Tsingou problem. Retrieved May 3, 2026, from https://4ort.xyz/entity/fermi-pasta-ulam-tsingou-problem
MLA “Fermi–Pasta–Ulam–Tsingou problem.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/fermi-pasta-ulam-tsingou-problem.
BibTeX @misc{4ortxyz_fermi-pasta-ulam-tsingou-problem_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Fermi–Pasta–Ulam–Tsingou problem}}, year = {2026}, url = {https://4ort.xyz/entity/fermi-pasta-ulam-tsingou-problem}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Fermi–Pasta–Ulam–Tsingou problem — https://4ort.xyz/entity/fermi-pasta-ulam-tsingou-problem (retrieved 2026-05-03)

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