reflection

mapping from a Euclidean space to itself that is an isometry with a hyperplane as a set of fixed points
Thing general Q426221
Press Enter · cited answer in seconds

reflection

Summary

reflection ranks in the top 2% of general entities by monthly Wikipedia readership (178 views/month).[1]

Key Facts

  • reflection's image is recorded as Punktspiegelung inkscape.svg[2].
  • reflection's GND ID is recorded as 4447875-6[3].
  • reflection's subclass of is recorded as geometric motion[4].
  • reflection's subclass of is recorded as symmetry[5].
  • reflection's subclass of is recorded as isometry[6].
  • reflection's Commons category is recorded as Reflection (geometry)[7].
  • reflection's said to be the same as is recorded as reflection symmetry[8].
  • reflection's Freebase ID is recorded as /m/01r70h[9].
  • reflection's Gran Enciclopèdia Catalana ID is recorded as 0137875[10].
  • reflection's defining formula is recorded as \mathrm{Ref}_l(\vec v) = 2\frac{\vec v\cdot \vec l}{\vec l\cdot \vec l}\vec l - \vec v[11].
  • reflection's BabelNet ID is recorded as 00066812n[12].
  • reflection's MathWorld ID is recorded as Reflection[13].
  • reflection's maintained by WikiProject is recorded as WikiProject Mathematics[14].
  • reflection's Microsoft Academic ID is recorded as 55260650[15].
  • reflection's Australian Educational Vocabulary ID is recorded as scot/8658[16].
  • reflection's in defining formula is recorded as \vec{v}[17].
  • reflection's in defining formula is recorded as \vec{l}[18].
  • reflection's Gran Enciclopèdia Catalana ID is recorded as reflexio-1[19].

Why It Matters

reflection ranks in the top 2% of general entities by monthly Wikipedia readership (178 views/month).[1] reflection has Wikipedia articles in 19 language editions, a strong signal of global cultural recognition.[20] reflection is known by 10 alternative names across languages and contexts.[21]

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] . Freebase Data Dumps. wikidata.org.
  9. [10] . wikidata.org.
  10. [11] . wikidata.org.
  11. [12] . BabelNet. Retrieved . wikidata.org.
  12. [13] . wikidata.org.
  13. [14] . wikidata.org.
  14. [15] . wikidata.org.
  15. [16] . wikidata.org.
  16. [17] . wikidata.org.
  17. [18] . wikidata.org.
  18. [19] . wikidata.org.

Aggregate / graph-position facts

  1. [1] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [20] . Wikidata sitelinks. wikidata.org.
  3. [21] . 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). reflection. Retrieved April 10, 2026, from https://4ort.xyz/entity/reflection-q426221
MLA “reflection.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/reflection-q426221.
BibTeX @misc{4ortxyz_reflection-q426221_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{reflection}}, year = {2026}, url = {https://4ort.xyz/entity/reflection-q426221}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): reflection — https://4ort.xyz/entity/reflection-q426221 (retrieved 2026-04-10)

Canonical URL: https://4ort.xyz/entity/reflection-q426221 · Last refreshed: