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  • P-ISSN3059-0604
  • E-ISSN3059-1309
  • KCI

ISSN : 3059-0604

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Vol.29 No.2

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FACTORIAL NODAL COMPLETE INTERSECTION 3-FOLDS IN ℙ5

Factorial nodal complete intersection 3-folds in P^5

한국수학교육학회지시리즈B:순수및응용수학 / Journal of the Korean Society of Mathematical Education Series B: Theoretical Mathematics and Pedagogical Mathematics, (P)3059-0604; (E)3059-1309
2022, v.29 no.2, pp.201-206
https://doi.org/https://doi.org/10.7468/jksmeb.2022.29.2.201
Hong, Kyusik (Department of Mathematics Education, Jeonju University)
Hong, Kyusik. (2022). FACTORIAL NODAL COMPLETE INTERSECTION 3-FOLDS IN &#x2119;<sup>5</sup>, 29(2), 201-206, https://doi.org/https://doi.org/10.7468/jksmeb.2022.29.2.201

Abstract

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.

keywords
complete intersection 3-fold, nodal variety, factoriality

한국수학교육학회지시리즈B:순수및응용수학

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