Decomposable cycles and Noether-Lefschetz loci
classification
🧮 math.AG
keywords
cyclesdecomposableclassesdegreeequivalenceexistgroupinteger
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We prove that there exist smooth surfaces of degree d in projective 3-space such that the group of rational equivalence classes of decomposable 0-cycles has rank at least the integer part of (d-1)/3.
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