Mathematical Sciences Classification System
14Nxx - Projective and enumerative geometry 
[See also  51-XX]
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                            14N05Projective techniques [See also 51N35]
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                            14N10Enumerative problems (combinatorial problems)
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                            14N15Classical problems, Schubert calculus
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                            14N20Configurations and arrangements of linear subspaces
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                            14N25Varieties of low degree
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                            14N30Adjunction problems
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                            14N35Gromov-Witten invariants, quantum cohomology, Gopakumar-Vafa invariants, Donaldson-Thomas invariants [See also 53D45]
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                            14N99None of the above, but in this section