Home › Entities › mathematical_concept › Krein space

Krein space

generalization of Hilbert space with indefinite signature
Intangible mathematical_concept Q1787158
Press Enter · cited answer in seconds

Krein space

Summary

Krein space is a mathematical concept[1]. It draws 9 Wikipedia views per month (mathematical_concept category, ranking #253 of 1,007).[2]

Key Facts

  • Krein space's instance of is recorded as mathematical concept[3].
  • Krein space's subclass of is recorded as vector space[4].
  • Krein space's Freebase ID is recorded as /m/0dt23_[5].
  • Krein space's Microsoft Academic ID is recorded as 2776316088[6].

Why It Matters

Krein space draws 9 Wikipedia views per month (mathematical_concept category, ranking #253 of 1,007).[2]

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.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

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

Canonical URL: https://4ort.xyz/entity/krein-space · Last refreshed: