Injective Sheaf - Soft Sheaves

Soft Sheaves

A soft sheaf F over X is one such that any section over any closed subset of X can be extended to a global section.

Soft sheaves are acyclic over paracompact Hausdorff spaces.

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Famous quotes containing the words soft and/or sheaves:

    Ours is the bee’s soft belly
    and the blush of the rose-petal,
    lifted, of the flower.
    Hilda Doolittle (1886–1961)

    Being young you have not known
    The fool’s triumph, nor yet
    Love lost as soon as won,
    Nor the best labourer dead
    And all the sheaves to bind.
    William Butler Yeats (1865–1939)