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Conjecture

Filling Area Conjecture

Geometry

Mikhail Gromov's filling area conjecture, in differential geometry, asserts that the hemisphere has minimum area among the orientable surfaces that fill a closed curve of given length without introducing shortcuts between its points. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/

Facts
Statement
Among orientable Riemannian surfaces that isometrically fill a boundary curve of a given length, the hemisphere has the minimum area. 1
Proposed Year
1983 2
Progress Toward Resolution
Gromov proved in the same paper that the hemisphere has least area among Riemannian disks that isometrically fill a circle of given length; the general case remains a conjecture. 2
Classification
Resolution Status
Open 1
Prize Status
Prize Status (category)
No Prize Offered 1
Connections

In Branch

Source Filling Area Conjecture (Wikipedia)
Sources
1. Filling Area Conjecture (Wikipedia)
  • Formal statement section
    The hemisphere has minimum area among the orientable compact Riemannian surfaces that fill isometrically their boundary curve, of given length.
  • Lead section
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2. Filling Area Conjecture (Wikipedia)
Wikimedia Foundation
  • Lead section
    Mikhail Gromov's filling area conjecture asserts that the hemisphere has minimum area among the orientable surfaces that fill a closed curve of given length without introducing shortcuts between its points.
  • Definitions and statement of the conjecture
    Conjecture (Gromov's filling area conjecture, 1983)
  • Gromov's proof for the case of Riemannian disks
    the hemisphere has least area among the Riemannian surfaces that isometrically fill a circle of given length, and are homeomorphic to a disk.
  • In Branch: Differential Geometry, Lead sentence
    In differential geometry, Mikhail Gromov's filling area conjecture asserts that the hemisphere has minimum area among the orientab
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