Erdős number

== English == === Alternative forms === Erdos number, Erdoes number, Erdœs number, Erdös number, Erdós number === Etymology === Named after Hungarian mathematician Paul Erdős. === Noun === Erdős number (plural Erdős numbers) (mathematics) A number describing the degree of collaboration between a mathematician and Paul Erdős, defined such that a mathematician who has written a paper with Erdős has an Erdős number of 1, a mathematician who has written a paper with somebody having an Erdős number of 1 has an Erdős number of two, and so on. ==== Translations ==== === See also === Bacon number === Anagrams === REM rebounds