• The Pure and Applied Mathematics
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• v.29 no.2
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• pp.201-206
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• 2022

Let X be a nodal complete intersection 3-fold defined by a hypersurface in ℙ⁵ of degree n and a smooth quadratic hypersurface in ℙ⁵ . Then we show that X is factorial if it has at most n² - n + 1 nodes and contains no 2-planes, where n = 3, 4.