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math.DG2022★ 3 cited
Boundedness of geometric invariants near a singularity which is a suspension of a singular curve
Luciana F. Martins, Kentaro Saji, Samuel P. dos Santos +1
Near a singular point of a surface or a curve, geometric invariants diverge in general, and the orders of diverge, in particular the boundedness about these invariants represent ge…
math.DG2022
Contact cylindrical surfaces and a projection of a surface around a parabolic point
Masaru Hasegawa, Yutaro Kabata, Kentaro Saji
We investigate differential geometric properties of a parabolic point of a surface in the Euclidean three space. We introduce the contact cylindrical surface which is a cylindrical…