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On singularities arising from the contraction of the minimal section of a ruled surface - MaRDI portal

On singularities arising from the contraction of the minimal section of a ruled surface (Q917635)

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scientific article; zbMATH DE number 4156643
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English
On singularities arising from the contraction of the minimal section of a ruled surface
scientific article; zbMATH DE number 4156643

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    On singularities arising from the contraction of the minimal section of a ruled surface (English)
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    1989
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    contraction of the minimal section of a ruled surface
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    Gorensteinness of two-dimensional singularity
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    Frobenius action
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    extension class
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