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Dirac delta function

pseudo-function δ such that an integral of δ(x-c)f(x) always takes the value of f(c)
Thing general Q209675
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Dirac delta function

Summary

Dirac delta function has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[1]

Key Facts

  • Paul Dirac is named after Dirac delta function[2].
  • Dirac delta function is a type of measure[3].
  • Dirac delta function is a type of distribution[4].
  • Dirac delta function's Commons category is recorded as Dirac distribution[5].
  • Dirac delta function's described by source is recorded as ISO 80000-2:2019 Quantities and units — Part 2: Mathematics[6].
  • Dirac delta function's Stack Exchange tag is recorded as https://physics.stackexchange.com/tags/dirac-delta-distributions[7].
  • Dirac delta function's Stack Exchange tag is recorded as https://math.stackexchange.com/tags/dirac-delta[8].
  • Dirac delta function's TeX string is recorded as \delta(x)[9].
  • Dirac delta function's maintained by WikiProject is recorded as WikiProject Mathematics[10].

Body

Definition and Type

Recorded subclass of include measure[3] and distribution[4].

Origins

Paul Dirac is named after Dirac delta function[2].

Why It Matters

Dirac delta function has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[1] It is known by 98 alternative names across languages and contexts.[11]

Related Entities

Paul Dirac

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikidata sitelinks. wikidata.org.
  2. [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). Dirac delta function. Retrieved April 10, 2026, from https://4ort.xyz/entity/dirac-delta-function
MLA “Dirac delta function.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/dirac-delta-function.
BibTeX @misc{4ortxyz_dirac-delta-function_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Dirac delta function}}, year = {2026}, url = {https://4ort.xyz/entity/dirac-delta-function}, note = {Accessed: 2026-04-10}}
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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. 2d ago · Mynus grey · 2026-07-02 view diff on Wikidata ↗
    Named after → —
    Subclass of → —
    P14534 → Distribution.delta
    Named after → Paul Dirac
    + 4 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ [[Property:P14534]]: Distribution.delta, #quickstatements; #temporary_batch_1783013068346"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.