The attached image is rough summary content of New Year Card, sorry Japanese.

周期的で余分な面積も等しい感じのペンローズタイリング PDF"Creating Self Similar Tiling Patterns and Fractals using the
Geometric Factors of a Regular Polygon"

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A Mastodon instance for maths people. The kind of people who make \(\pi z^2 \times a\) jokes.

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