Sierpiński curve | mathematics | Britannica (original) (raw)

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In number game: Pathological curves
The Sierpinski curve, the first few stages of which are shown in Figure 9, contains every point interior to a square, and it describes a closed path. As the process of forming the curve is continued indefinitely, the length of the curve approaches infinity, while the…
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$Sierpiński gasketPolish mathematician Wacław Sierpiński described the fractal that bears his name in 1915, although the design as an art motif dates at least to 13th-century Italy. Begin with a solid equilateral triangle, and remove the triangle formed by connecting the midpoints of each side. The midpoints of the sides of the resulting three internal triangles are connected to form three new triangles that are then removed to form nine smaller internal triangles. The process of cutting away triangular pieces continues indefinitely, producing a region with a Hausdorf dimension of a bit more than 1.5 (indicating that it is more than a one-dimensional figure but less than a two-dimensional figure).$
In Wacław Sierpiński
…with a square produces the Sierpiński carpet, which is also self-similar. Good approximations of these and other fractals have been used to produce compact multiband radio antennas.
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