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math.AG2021★ 15 cited
On conic-line arrangements with nodes, tacnodes, and ordinary triple points
Alexandru Dimca, Piotr Pokora
In the present paper, we study conic-line arrangements having nodes, tacnodes, and ordinary triple points as singularities. We provide combinatorial constraints on such arrangement…
math.AG2021★ 9 cited
On plane conic arrangements with nodes and tacnodes
Alexandru Dimca, Marek Janasz, Piotr Pokora
In the present paper, we study arrangements of smooth plane conics having only nodes and tacnodes as the singularities. We provide an interesting estimation on the number of nodes…