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Hardy space

space of holomorphic functions on the unit disk or upper half plane
Intangible mathematical_concept Q1585233
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Hardy space

Summary

Hardy space is a mathematical concept[1]. It draws 299 Wikipedia views per month (mathematical_concept category, ranking #153 of 1,007).[2]

Key Facts

  • Hardy space is credited with the discovery of Frigyes Riesz[3].
  • Hardy space's instance of is recorded as mathematical concept[4].
  • G.H. Hardy is named after Hardy space[5].
  • Hardy space is a type of normed vector space[6].
  • Hardy space's time of discovery or invention is recorded as 1923[7].
  • Hardy space's Stack Exchange tag is recorded as https://mathoverflow.net/tags/hardy-spaces[8].
  • Hardy space's maintained by WikiProject is recorded as WikiProject Mathematics[9].

Body

Definition and Type

Hardy space's instance of is recorded as mathematical concept[4]. It is a type of normed vector space[6].

Origins

G.H. Hardy is named after Hardy space[5].

Why It Matters

Hardy space draws 299 Wikipedia views per month (mathematical_concept category, ranking #153 of 1,007).[2] It has Wikipedia articles in 12 language editions, a strong signal of global cultural recognition.[10] It is known by 3 alternative names across languages and contexts.[11]

Related Entities

Frigyes Riesz G.H. Hardy

References

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

Direct Wikidata claims

  1. [4] ↑ . wikidata.org.
  2. [3] ↑ . 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). Hardy space. Retrieved May 3, 2026, from https://4ort.xyz/entity/hardy-space
MLA “Hardy space.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/hardy-space.
BibTeX @misc{4ortxyz_hardy-space_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Hardy space}}, year = {2026}, url = {https://4ort.xyz/entity/hardy-space}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Hardy space — https://4ort.xyz/entity/hardy-space (retrieved 2026-05-03)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 3d ago · Twofivesixbot bot · 2026-05-18 view diff on Wikidata ↗
    Instance of → —
    Named after → —
    Aliases → —
    Subclass of → normed vector space
    + 5 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|3 */ [[Property:P2347]]: 29714, mv to monolingual text names on YSO statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.