Singularities of Dual Varieties in Characteristic 3


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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/14688

Title:	Singularities of Dual Varieties in Characteristic 3
Authors:	Shimada, Ichiro Browse this author
Keywords:	Dual variety
	Discriminant variety
	Positive characteristic
Issue Date:	11-Aug-2006
Publisher:	Springer
Journal Title:	Geometriae Dedicata
Volume:	120
Issue:	1
Start Page:	141
End Page:	177
Publisher DOI:	10.1007/s10711-006-9074-z
Abstract:	We investigate singularities of a general plane section of the dual variety of a smooth projective variety, or more generally, the discriminant variety associated with a linear system of divisors on a smooth projective variety. We show that, in characteristic 3, singular points of E 6-type take the place of ordinary cusps in characteristic 0.
Rights:	The original publication is available at www.springerlink.com
Type:	article (author version)
URI:	http://hdl.handle.net/2115/14688
Appears in Collections:	理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 島田伊知朗

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