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PSPACE

complexity class
Thing complexity_class Q500716
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PSPACE

Summary

PSPACE is a complexity class[1]. PSPACE ranks in the top 8% of complexity_class entities by monthly Wikipedia readership (102 views/month).[2]

Key Facts

  • PSPACE's instance of is recorded as complexity class[3].
  • PSPACE's part of is recorded as E[4].
  • PSPACE's said to be the same as is recorded as IP[5].
  • PSPACE's said to be the same as is recorded as QIP[6].
  • PSPACE's has part is recorded as PH[7].
  • PSPACE's has part is recorded as PSPACE-complete[8].
  • PSPACE's has part is recorded as PP[9].
  • PSPACE's Freebase ID is recorded as /m/09sw7[10].
  • PSPACE's Microsoft Academic ID is recorded as 197685441[11].
  • PSPACE's OpenAlex ID is recorded as C197685441[12].
  • PSPACE's Encyclopedia of China is recorded as 207230[13].

Why It Matters

PSPACE ranks in the top 8% of complexity_class entities by monthly Wikipedia readership (102 views/month).[2] PSPACE has Wikipedia articles in 18 language editions, a strong signal of global cultural recognition.[14] PSPACE is known by 13 alternative names across languages and contexts.[15]

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.
  8. [10] ↑ . Freebase Data Dumps. wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . OpenAlex. Retrieved . docs.openalex.org. Provenance: wikidata.org.
  11. [13] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [14] ↑ . Wikidata sitelinks. wikidata.org.
  3. [15] ↑ . 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). PSPACE. Retrieved May 3, 2026, from https://4ort.xyz/entity/pspace
MLA “PSPACE.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/pspace.
BibTeX @misc{4ortxyz_pspace_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{PSPACE}}, year = {2026}, url = {https://4ort.xyz/entity/pspace}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): PSPACE — https://4ort.xyz/entity/pspace (retrieved 2026-05-03)

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