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Webs of rational curves on real surfaces and a classification of real weak del Pezzo surfaces. (arXiv:1807.05881v1 [math.AG])
来源于:arXiv
We classify webs of minimal degree rational curves on surfaces and give a
criterion for webs being hexagonal. In addition, we classify Neron-Severi
lattices of real weak del Pezzo surfaces. These two classifications are related
to root subsystems of E8. 查看全文>>
