English Explanatory Dictionary

Kirkman's schoolgirl problem

English dictionary entry

Meanings

name
  1. A problem in combinatorics, in which 15 schoolgirls go walking three abreast for seven days in succession, and must be arranged so that no two walk abreast more than once.

Word forms

Kirkman's schoolgirl problem

Etymology

Proposed by Rev. Thomas Penyngton Kirkman in 1850.

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