On free and plus-one generated curves arising from free curves by addition–deletion of a line

• Published in: Bulletin of mathematical sciences Vol. 14; no. 3
• Main Author: Dimca, Alexandru
• Format: Journal Article
• Language: English
• Published: World Scientific Publishing Company 01.12.2024; World Scientific Publishing
• Subjects: Free curve; plus-one generated curve; Free curve; plus-one generated curve

In a recent paper, after introducing the notion of plus-one generated hyperplane arrangements, Takuro Abe has shown that if we add (respectively, delete) a line to (respectively, from) a free line arrangement, then the resulting line arrangement is either free or plus-one generated. In this paper, w...