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The Erdős number () describes the "collaborative distance" between mathematician  and another person, as measured by authorship of mathematical papers. The same principle has been applied in other fields where a particular individual has collaborated with a large and broad number of peers.

The Erdős number () describes the "collaborative distance" between mathematician  and another person, as measured by authorship of mathematical papers. The same principle has been applied in other fields where a particular individual has collaborated with a large and broad number of peers.

'''<font color="#ff8000"> 埃尔德什数Erdős number</font>'''（匈牙利语：[ˈɛrdøːʃ]）描述了数学家保罗·埃尔德什Paul Erdős与另一个人之间的“协作距离”，这是根据数学论文的著作权来衡量的。该原则应用于很多其他领域，意指特定某个人与众多同行之间的合作。

'''<font color="#ff8000"> 埃尔德什数Erdős number</font>'''（匈牙利语：[ˈɛrdøːʃ]）描述了数学家保罗·埃尔德什Paul Erdős与其他作者之间的“协作距离”，这是根据数学论文的著作权来衡量的。该原则应用于很多其他领域，意指特定某个人与众多同行之间的合作。