Understanding Linear Algebra and the Kanji for “Linear” One of the mathematics studied in university is “llinear algebra.” It is a mathematics that uses matrices and vector spaces, and there have been many books on linear algebra published to date. In these books, two different kanji characters are used for “linear.” The Japanese translations for…

The Surprising Similarity Between a Coffee Cup and a Donut I can’t tell the difference between a coffee cup☕ and a donut🍩. Of course, they look different, but from a certain perspective, they are considered to be the same shape. In the field of mathematics called topology, the two shapes are not distinguished. In fact,…