subadditivity

property of a function where the sum of two elements in domain of function is less than the sum of function values
Thing property Q1934099
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subadditivity

Summary

subadditivity is a property[1]. subadditivity draws 59 Wikipedia views per month (property category, ranking #66 of 127).[2]

Key Facts

  • subadditivity's instance of is recorded as property[3].
  • subadditivity's opposite of is recorded as superadditivity[4].
  • subadditivity's Freebase ID is recorded as /m/037ttt[5].
  • subadditivity's defining formula is recorded as \forall x, y \in A, f(x+y)\leq f(x)+f(y)[6].
  • subadditivity's maintained by WikiProject is recorded as WikiProject Mathematics[7].
  • subadditivity's Microsoft Academic ID is recorded as 19220575[8].
  • subadditivity's PlanetMath ID is recorded as Subadditivity[9].
  • subadditivity's OpenAlex ID is recorded as C19220575[10].
  • subadditivity's characteristic of is recorded as function[11].

Why It Matters

subadditivity draws 59 Wikipedia views per month (property category, ranking #66 of 127).[2] subadditivity has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.[12] subadditivity is known by 9 alternative names across languages and contexts.[13]

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] . Freebase Data Dumps. wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . OpenAlex. Retrieved . docs.openalex.org. Provenance: wikidata.org.
  9. [11] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [12] . Wikidata sitelinks. wikidata.org.
  3. [13] . 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). subadditivity. Retrieved May 3, 2026, from https://4ort.xyz/entity/subadditivity
MLA “subadditivity.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/subadditivity.
BibTeX @misc{4ortxyz_subadditivity_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{subadditivity}}, year = {2026}, url = {https://4ort.xyz/entity/subadditivity}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): subadditivity — https://4ort.xyz/entity/subadditivity (retrieved 2026-05-03)

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