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Kronecker delta

function
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Summary

Kronecker delta is a function[1]. It draws 3,521 Wikipedia views per month (function category, ranking #12 of 114).[2]

Key Facts

  • Instance of: integer-valued function[3], binary function[4], piecewise constant function[5], mathematical concept[6]
  • Named after: Leopold Kronecker[7]
  • Described by source: ISO 80000-2:2019 Quantities and units — Part 2: Mathematics[8]
  • Definition domain: integer couple[9]
  • Codomain: set of integers[10]
  • Different from: Kronecker tensor[11]
  • Maintained by WikiProject: WikiProject Mathematics[12]

Why It Matters

Kronecker delta has Wikipedia articles in 27 language editions, a strong signal of global cultural recognition.[13] It is known by 57 alternative names across languages and contexts.[14]

Related Entities

Leopold Kronecker

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] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [13] ↑ . Wikidata sitelinks. wikidata.org.
  3. [14] ↑ . 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). Kronecker delta. Retrieved October 14, 2026, from https://4ort.xyz/entity/kronecker-delta
MLA “Kronecker delta.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Oct. 2026, https://4ort.xyz/entity/kronecker-delta.
BibTeX @misc{4ortxyz_kronecker-delta_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Kronecker delta}}, year = {2026}, url = {https://4ort.xyz/entity/kronecker-delta}, note = {Accessed: 2026-10-14}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Kronecker delta — https://4ort.xyz/entity/kronecker-delta (retrieved 2026-10-14)

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