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String diagrams are a formal graphical language for representing morphisms in monoidal categories, or more generally 2-cells in 2-categories.
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In graph theory, a string graph is an intersection graph of curves in the plane; each curve is called a "string".Given a graph G, G is a string graph if and only if there exists a set of curves, or strings, such that the graph having a vertex for each curve and an edge for each intersecting pair of curves is isomorphic to G.
Line chart showing the population of the town of Pushkin, Saint Petersburg from 1800 to 2010, measured at various intervals. A line chart or line graph, also known as curve chart, [1] is a type of chart that displays information as a series of data points called 'markers' connected by straight line segments. [2]
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The Tamsui line or Damtsui line (Chinese: 淡水線; Hanyu Pinyin: Dànshuǐ xiàn; Tongyong Pinyin: Danshuei xian; Pe̍h-ōe-jī: Tām-chúi sòaⁿ) was a railroad branch line located in the cities of Taipei and New Taipei operated by the Taiwan Railways Administration (TRA).
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A tubular spirit level A bull's eye spirit level mounted in a camera tripod. A spirit level, bubble level, or simply a level, is an instrument designed to indicate whether a surface is horizontal (level) or vertical ().