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Q3949634 - MaRDI portal

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scientific article

    Statements

    author
    Moncef Ben Salem
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    publication date
    1982
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    zbMATH Keywords
    Sachs frames
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    symplectic form
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    Lee covector
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    harmonic property
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    space- time of type D
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    null congruences
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    totally geodesic Lagrangian surfaces
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    almost umbilical
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    cites work
    Q5528584
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    Q4775109
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    Q5637589
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    Q4136128
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    Q5678153
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    Q5663061
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    Q5580943
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    Q4192639
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    Identifiers

    Mathematics Subject Classification ID
    53B30
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    53B50
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    83C99
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    zbMATH DE Number
    3768525
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