The variety of complete pairs of zero-dimensional subschemes of length 2 of a smooth three-dimensional variety is singular

DOI10.1070/SM2003V194N03ABEH000720zbMATH Open1064.14006MaRDI QIDQ4658263

Nadezda Timofeeva

Publication date: 16 March 2005

Published in: Sbornik: Mathematics (Search for Journal in Brave)

Mathematics Subject Classification ID

Singularities in algebraic geometry (14B05) Parametrization (Chow and Hilbert schemes) (14C05)

Related Items (2)

Special subhomaloidal systems of quadrics and varieties with one apparent double point ⋮ Smoothness and Euler characteristic of the variety of complete pairs \(X_{23}\) of zero-dimensional subschemes of length 2 and 3 of algebraic surfaces

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