"Über die Abbildungen der dreidimensionalen Sphäre auf die Kugelfläche" (1931)

Target entity: "Über die Abbildungen der dreidimensionalen Sphäre auf die Kugelfläche" (1931)
Context triple: [Heinz Hopf, notablePublication, "Über die Abbildungen der dreidimensionalen Sphäre auf die Kugelfläche" (1931)]

• A. Topologie (with Heinz Hopf)
  "Topologie" is a foundational 1935 textbook on general topology co-authored by Pavel Alexandrov and Heinz Hopf that helped shape the modern development of the field.
• B. Neue Geometrie des Raumes
  Neue Geometrie des Raumes is a foundational 19th-century mathematical work by Julius Plücker that develops projective and line geometry in three-dimensional space.
• C. Theorie der Transformationsgruppen
  Theorie der Transformationsgruppen is Sophus Lie’s foundational multi-volume work that established the theory of continuous transformation groups, now known as Lie groups, and their applications to differential equations and geometry.
• D. “Solutio problematis ad geometriam situs pertinentis”
  “Solutio problematis ad geometriam situs pertinentis” is Leonhard Euler’s 1736 Latin paper that founded graph theory and topology by solving the Seven Bridges of Königsberg problem.
• E. On the Curvature of Space
  "On the Curvature of Space" is a pioneering 1922 paper by Alexander Friedmann that introduced non-static, expanding-universe solutions to Einstein’s field equations, laying the theoretical foundation for modern cosmology.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: "Über die Abbildungen der dreidimensionalen Sphäre auf die Kugelfläche" (1931)
Target entity description: "Über die Abbildungen der dreidimensionalen Sphäre auf die Kugelfläche" (1931) is Heinz Hopf’s seminal paper in which he introduced the Hopf fibration, a foundational concept in algebraic topology describing a nontrivial mapping from the 3-sphere to the 2-sphere.

• A. Topologie (with Heinz Hopf)
  "Topologie" is a foundational 1935 textbook on general topology co-authored by Pavel Alexandrov and Heinz Hopf that helped shape the modern development of the field.
• B. Neue Geometrie des Raumes
  Neue Geometrie des Raumes is a foundational 19th-century mathematical work by Julius Plücker that develops projective and line geometry in three-dimensional space.
• C. Theorie der Transformationsgruppen
  Theorie der Transformationsgruppen is Sophus Lie’s foundational multi-volume work that established the theory of continuous transformation groups, now known as Lie groups, and their applications to differential equations and geometry.
• D. “Solutio problematis ad geometriam situs pertinentis”
  “Solutio problematis ad geometriam situs pertinentis” is Leonhard Euler’s 1736 Latin paper that founded graph theory and topology by solving the Seven Bridges of Königsberg problem.
• E. On the Curvature of Space
  "On the Curvature of Space" is a pioneering 1922 paper by Alexander Friedmann that introduced non-static, expanding-universe solutions to Einstein’s field equations, laying the theoretical foundation for modern cosmology.
• F. None of above. chosen