Tennis ball theorem

smooth curve that divides a sphere into 2 equal-area subsets has at least 4 inflections
Intangible theorem Q55634934
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Tennis ball theorem

Summary

Tennis ball theorem is a theorem[1]. It draws 11 Wikipedia views per month (theorem category, ranking #266 of 1,306).[2]

Key Facts

  • Tennis ball theorem is credited with the discovery of Beniamino Segre[3].
  • Tennis ball theorem's instance of is recorded as theorem[4].
  • Tennis ball theorem's time of discovery or invention is recorded as +1968-00-00T00:00:00Z[5].
  • Tennis ball theorem's statement describes is recorded as curve[6].
  • Tennis ball theorem's statement describes is recorded as sphere[7].
  • Tennis ball theorem's statement describes is recorded as inflection point[8].
  • Tennis ball theorem's studied by is recorded as spherical geometry[9].
  • Tennis ball theorem's Google Knowledge Graph ID is recorded as /g/11fd6l_d6w[10].
  • Tennis ball theorem's MathWorld ID is recorded as TennisBallTheorem[11].
  • Tennis ball theorem's maintained by WikiProject is recorded as WikiProject Mathematics[12].

Body

Works and Contributions

Tennis ball theorem is credited with the discovery of Beniamino Segre[3].

Why It Matters

Tennis ball theorem draws 11 Wikipedia views per month (theorem category, ranking #266 of 1,306).[2] It has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[13]

📑 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). Tennis ball theorem. Retrieved May 3, 2026, from https://4ort.xyz/entity/tennis-ball-theorem
MLA “Tennis ball theorem.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/tennis-ball-theorem.
BibTeX @misc{4ortxyz_tennis-ball-theorem_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Tennis ball theorem}}, year = {2026}, url = {https://4ort.xyz/entity/tennis-ball-theorem}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Tennis ball theorem — https://4ort.xyz/entity/tennis-ball-theorem (retrieved 2026-05-03)

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