Geodesic
Decomposable cycles and Noether-Lefschetz loci
Documenta mathematica, Tome 21 (2016), pp. 661-687
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We prove that there exist smooth surfaces of degree d in P3 whose group of rational equivalence classes of decomposable 0-cycles has rank at least ⌊3d−1​⌋.
DOI : 10.4171/dm/542
Classification : 14C15
Mots-clés : decomposable cycles, Noether-Lefschetz loci 
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     author = {Kieran G. O'Grady},
     title = {Decomposable cycles and {Noether-Lefschetz} loci},
     journal = {Documenta mathematica},
     pages = {661--687},
     year = {2016},
     volume = {21},
     doi = {10.4171/dm/542},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/542/}
}
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Kieran G. O'Grady. Decomposable cycles and Noether-Lefschetz loci. Documenta mathematica, Tome 21 (2016), pp. 661-687. doi: 10.4171/dm/542

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