Aldo Tragni

Joined 29 January 2020
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Aldo Tragni invented the following systems:
* [[FAIR-V|FAIR-Max]]: currently the most supported by him for [[Single Member Districts|single-winner system]], with approval ratings.
* [[PRO-VProportional Subset Voting|PSV]]: currently the most supported by him for [[Single Multi-Member Districts|singlemulti-winnerwinners system]], with [[PRO-V#Proportional_vote_philosophy|proportionalapproval ratings]].
* [[Distributed Voting#Seats_allocation|Distributed Voting System]] (DV): currently the most supported by him for [[Single Member Districts|single-winner]] and [[Multi-Member Districts|multi-winners system]], with [[PRO-V#Proportional_vote_philosophy|proportional ratings]].
* [[PRO-V]]
* [[WIRV]]
* [[Tragni's method]] (and variants)
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He defined:
* [[Proportional_Subset_Voting#Subset_Voting_.28category.29|Subset Voting category]]
* [[Symbolic voting systems]]
* [[PRO-V#Proportional_vote_philosophy|Proportional vote philosophy]]
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* [https://forum.electionscience.org/t/normalizations-list/822 MV Norm]
* [https://forum.electionscience.org/t/normalizations-list/822 nV Norm]
* [[FAIR-V#mdM_norm_.28min-do-Max_norm.29|mdM norm, Mdm norm, mM-do-Mm norm]]
 
He has made:
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*[https://electowiki.org/wiki/File:DV_Procedure.svg DV Procedure]
*[https://electowiki.org/wiki/File:D2V_procedure.svg D2V Procedure]
*[https://electowiki.org/wiki/File:DV_paper_ballotFAIR-Max_Procedure.svg DVFAIR-Max paper ballotProcedure]
*[https://electowiki.org/wiki/File:RRV_Procedure.svg RRV Procedure]
*[https://electowiki.org/wiki/File:SDV_Procedure.svg SDV Procedure]
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*[https://electowiki.org/wiki/File:Digital_ballot_DV.gif DV digital ballot]
*[https://electowiki.org/wiki/File:DV_paper_ballot.svg DV paper ballot]
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