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Friedrichs' inequality

inequality on Lp norm with weak derivatives
Thing inequality Q3711844
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Friedrichs' inequality

Summary

Friedrichs' inequality is an inequality[1]. It draws 5 Wikipedia views per month (inequality category, ranking #21 of 41).[2]

Key Facts

  • Friedrichs' inequality's instance of is recorded as inequality[3].
  • Friedrichs' inequality's instance of is recorded as theorem[4].
  • Kurt Otto Friedrichs is named after Friedrichs' inequality[5].
  • Friedrichs' inequality's Freebase ID is recorded as /m/0gdspn[6].
  • Friedrichs' inequality's facet of is recorded as functional analysis[7].
  • Friedrichs' inequality's maintained by WikiProject is recorded as WikiProject Mathematics[8].
  • Friedrichs' inequality's Microsoft Academic ID is recorded as 2779033045[9].
  • Friedrichs' inequality's Encyclopedia of Mathematics article ID is recorded as Friedrichs_inequality[10].

Why It Matters

Friedrichs' inequality draws 5 Wikipedia views per month (inequality category, ranking #21 of 41).[2] It has Wikipedia articles in 9 language editions, a strong signal of global cultural recognition.[11]

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.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [11] ↑ . Wikidata sitelinks. 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). Friedrichs' inequality. Retrieved May 3, 2026, from https://4ort.xyz/entity/friedrichs-inequality
MLA “Friedrichs' inequality.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/friedrichs-inequality.
BibTeX @misc{4ortxyz_friedrichs-inequality_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Friedrichs' inequality}}, year = {2026}, url = {https://4ort.xyz/entity/friedrichs-inequality}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Friedrichs' inequality — https://4ort.xyz/entity/friedrichs-inequality (retrieved 2026-05-03)

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