摘要或動機

A drawing of a graph G is a representation of G on a plane, with its vertices represented by distinct points, and its edges by arcs connecting the corresponding points. The crossing number of G is the minimum number of intersections between arcs across all possible drawings of G.

「為配合國家發展委員會「推動ODF-CNS15251為政府為文件標準格式實施計畫」，以及提供使用者有文書軟體選擇的權利，本館檔案下載部分文件將公布ODF開放文件格式，免費開源軟體可至LibreOffice下載安裝使用，或依貴慣用的軟體開啟文件。」

TISF2023-010049.pdf