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Henry Richmond Droop (September 12 1832 – March 21, 1884) was an English mathematician. He is widely credited with devising the Droop quota that is used today in the common voting system known as the Single Transferable Vote. He also may have been the first to write down what later became known as Duverger's Law, in 1869. He married Clara Baily (ca. 1841 - September 7 1921) on 17 August 1872 and was the father of John Percival Droop (1882 - 1963), the archaeologist. ==References== * http://ksimmon.sasktelwebsite.net/PS06/PS06_157.HTM * Henry R. Droop, On Methods of Electing Representatives, ''Journal of the Statistical Society of London'', Vol. 44, No. 2. (Jun., 1881), pp. 141-202 (Reprinted in ''Voting matters'', (No. 24 (Oct., 2007), pp. 7-46 )) * William H. Riker ''Duverger's Law: Forty Years Later''. From Grofman and Lijphart ''Electoral Laws and their political consequences'' 1986. * http://ksimmon.sasktelwebsite.net/PS06/PS06_157.HTM 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Henry Richmond Droop」の詳細全文を読む スポンサード リンク
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