Covers of algebraic varieties III. The discriminant of a cover of degree 4 and the trigonal construction

DOI10.1090/S0002-9947-98-02136-9zbMath0954.14009OpenAlexW1493528587MaRDI QIDQ4382966

Gianfranco Casnati

Publication date: 24 March 1998

Published in: Transactions of the American Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1090/s0002-9947-98-02136-9

zbMATH Keywords

Gorenstein coverTschirnhausen modulediscriminant mapdiscriminant scheme

Mathematics Subject Classification ID

Varieties defined by ring conditions (factorial, Cohen-Macaulay, seminormal) (14M05) Coverings in algebraic geometry (14E20) Ramification problems in algebraic geometry (14E22)

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