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Fano Four Fold Database
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Numerical Invariants
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Volume
χ(T)
χ(O)
χ(Ω¹)
χ(Ω²)
χ(Ω³)
χ(Ω
4
)
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clear
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clear
Volume
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clear
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Interval
clear
χ(T)
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≤
χ(T)
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clear
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Interval
clear
χ(O)
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≤
χ(O)
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clear
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Interval
clear
χ(Ω¹)
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χ(Ω¹)
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clear
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Interval
clear
χ(Ω²)
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χ(Ω²)
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clear
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Interval
clear
χ(Ω³)
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χ(Ω³)
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clear
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χ(Ω
4
)
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4
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clear
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PROJECTIONS
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1
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4
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Volume
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clear
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Interval
clear
χ(T)
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χ(T)
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clear
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clear
χ(O)
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χ(O)
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clear
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Interval
clear
χ(Ω¹)
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χ(Ω¹)
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clear
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Interval
clear
χ(Ω²)
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χ(Ω²)
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clear
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Interval
clear
χ(Ω³)
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χ(Ω³)
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clear
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Interval
clear
χ(Ω
4
)
=
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χ(Ω
4
)
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clear
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VARIETIES
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HODGE NUMBERS
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h
1,1
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h
1,1
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h
1,2
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h
1,2
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h
1,3
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2,2
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1
0
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