MATH 1007 Lecture 2: Multicandidate elections
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3 canidates multi list of asinglevoter prerrenceballot profile a list of ballots vertically. Tabulatedprofile a list ofballots vertically w output nonempty mtor canidatescalled winners cumally 1 ontop ofeachballotindicateshowmanyvotershave that ballot socialchoicetitions canidate with the most 1stage votes mostcommon sci multiple. Hare assignspoints to canidates winner is the canidate w themostpoints n l. O last i 2ndlast eliminationprocess canidatew the rewest1stesisiminated continue until one cani date remains cofmifsstant runof voting majority reducestheprofile. Copeland considers howcanidatescompare in head. to howoften a isabove b and bisabove a ontests. Copeland bbeats a 3 aandb beat c eliminate a then c b wins. 13 2points a ipoint c 0point b wins. A b c d e lo iz a 8 il. Have eliminate c 1st eliminate b d e next. Aremains hot c not cb d e a wins n. Coombs eliminatee eliminate d not e not i b not b not a eliminate b eliminate a.
