fast-growing hierarchy

ordinal-indexed family of rapidly increasing functions: ℕ→ℕ
Intangible mathematical_concept Q3138738
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fast-growing hierarchy

Summary

fast-growing hierarchy is a mathematical concept[1]. It draws 163 Wikipedia views per month (mathematical_concept category, ranking #117 of 1,007).[2]

Key Facts

  • fast-growing hierarchy's instance of is recorded as mathematical concept[3].
  • fast-growing hierarchy's Freebase ID is recorded as /m/09g844z[4].
  • fast-growing hierarchy's defining formula is recorded as \begin{aligned}f_0(n)&=n+1\f_{\alpha+1}(n)&=f_n^\alpha(n)\f_\alpha(n)&=f_{\alpha[n]}(n)\qquad(\nexists\beta\colon\alpha=\beta+1)\end{aligned}[5].
  • fast-growing hierarchy's maintained by WikiProject is recorded as WikiProject Mathematics[6].
  • fast-growing hierarchy's Microsoft Academic ID is recorded as 97177508[7].
  • fast-growing hierarchy's in defining formula is recorded as f_0(n)[8].
  • fast-growing hierarchy's Namuwiki ID is recorded as Fast-growing hierarchy[9].

Why It Matters

fast-growing hierarchy draws 163 Wikipedia views per month (mathematical_concept category, ranking #117 of 1,007).[2] It has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[10] It is known by 4 alternative names across languages and contexts.[11]

References

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

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [10] . Wikidata sitelinks. wikidata.org.
  3. [11] . 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). fast-growing hierarchy. Retrieved May 3, 2026, from https://4ort.xyz/entity/fast-growing-hierarchy
MLA “fast-growing hierarchy.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/fast-growing-hierarchy.
BibTeX @misc{4ortxyz_fast-growing-hierarchy_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{fast-growing hierarchy}}, year = {2026}, url = {https://4ort.xyz/entity/fast-growing-hierarchy}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): fast-growing hierarchy — https://4ort.xyz/entity/fast-growing-hierarchy (retrieved 2026-05-03)

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