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arXiv:1712.09467
Title: Mysterious Properties of the Point at Infinity Authors: Saburou Saitoh Categories: math.GM
comments and suggestions MSC-class: 30C License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/ \\ From the viewpoints of the division by zero $1/0=0/0=z/0=0$ and the division
infinity in the sense of the Alexandroff one compactification of the complex plane which is realized by the stereographic projection.