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genus-two surface

Class type of: surface, closed manifold, topological manifold Q5533830

Facts

6 properties
Follows
torus[1]
Followed by
genus-three surface[2]
Subclass of
surface, closed manifold, topological manifold, genus g surface[3][4][5][6]
Euler characteristic
-2[9]
Has characteristic
genus[7]
Maintained by WikiProject
WikiProject Mathematics[8]
🏷️ Also known as
en double torus en genus-2 surface en genus-two surface pt superfície de gênero 2 ru поверхность рода 2
🔖 Identifiers · 2
Google Knowledge Graph ID
/g/11cnphl7yj
MathWorld ID
DoubleTorus

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References

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

Direct Wikidata claims

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

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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). genus-two surface. Retrieved November 7, 2026, from https://4ort.xyz/entity/genus-two-surface
MLA “genus-two surface.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 Nov. 2026, https://4ort.xyz/entity/genus-two-surface.
BibTeX @misc{4ortxyz_genus-two-surface_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{genus-two surface}}, year = {2026}, url = {https://4ort.xyz/entity/genus-two-surface}, note = {Accessed: 2026-11-07}}
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