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Prikvačeni tweet
New preprint with Bridget Tenner on visualizing the results of instant-runoff (ranked-choice) elections: https://arxiv.org/abs/1903.06095 A zoomable demonstration: http://www.cems.uvm.edu/~gswarrin/accumulation-chart.html …pic.twitter.com/kDQ64LWOyP
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Greg Warrington proslijedio/la je TweetHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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Greg Warrington proslijedio/la je Tweet
“Australia, which has used RCV for over a century, once used this system to elect its national Senate. Following the US, states doubled as districts, with three seats to be elected. Of 60 total state-based elections, 55 produced single-party delegations."https://blogs.lse.ac.uk/usappblog/2020/01/23/utahs-new-kind-of-ranked-choice-voting-could-hurt-political-minorities-and-sometimes-even-the-majority/ …
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Juggling and Math! Lie theory no less.https://twitter.com/mathzorro/status/1216710644013113344 …
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Always discouraging when your paper doesn't get any citations during its first 225 years in print....pic.twitter.com/kgnCEs3wFb
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Greg Warrington proslijedio/la je Tweet
henry wente: geometer & teacher. he left this world today: 20-jan-2020. he's the reason i'm a mathematician.
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Greg Warrington proslijedio/la je Tweet
For those of us who are tenured at R1 math departments, I want to share some things I think we should all be doing. 1/n 1. Directly ask grad students how much they are sleeping, and talk to them about strategies for making time for family, hobbies, and personal health...
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Greg Warrington proslijedio/la je Tweet
Theorem: 4 = 2. Proof: Let x^x^x^x... = 2. Then x^(x^x^...)=2, so x^(2)=2, so x=√2. Let y^y^y^... = 4. Then y^(y^y^...)=4, so y^4=4, so y=4^(1/4)=√2. So x = y, and x^x^x... = y^y^y... QED. ????!!!
(h/t Pete Winkler)Prikaži ovu nitHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Now that it's officially winter, a leaf from last season. Original file is 14000x21000 stitched together from 1100 individual images (b/c focus stacking) using the amazing, free hugin panorama software.
#macrophotographypic.twitter.com/AX2oTfRvGp
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Someday I'll get around to making that list of real and fake math terms to quiz people on.https://twitter.com/mathCObot/status/1204580723539136512 …
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Currently, if a municipality wanted to use an accumulation chart to display their official RCV results, they'd need to interface with the innards of the chart. A standardized, full-information format would make things a lot easier. 6/6
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Currently, to produce our accumulation charts, we had to write our own RCV tabulator. But every locale uses slightly different rules and we haven't spent the time to perfect it; there are slight discrepancies between our results and official results. 5/6
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My next hope is for a standardized format for the data produced by an RCV/instant-runoff tabulator: The full record of which ballot gets awarded to whom in which round. 4/6
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There are lots of things you *can't* do if you only know numbers of transferred votes. My paper with Bridget Tenner on visualizing
#RCV results, now out in the Notices of@amermathsoc, requires the ballot-level rankings. https://www.ams.org/journals/notices/201911/rnoti-p1793.pdf … Other questions do too. 3/6pic.twitter.com/WeUdrzEYvu
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Thanks to
@SFElections,@VoteMpls and@MESecOfState for posting the ballot-level data for their RCV elections#RankedChoiceVoting. This is far superior than simply posting the results. 1/6Prikaži ovu nitHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Here's a thread considering the vote distribution. The declination is assigning a number to each vector of vote shares illustrated below. 6/6https://twitter.com/EJSbrocco/status/1194599500553314304 …
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Here's the thread from which I pulled the data (I used the '2012-18 avg' column to associate a Dem vote share to each district): 5/6https://twitter.com/PoliticsWolf/status/1194781437792116736 …
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Of the 12 maps I considered, 6 had values close to 0, 5 had values close to 0.15 (~ +1R seat) and one had a value of 0.34 (~ +2R). Only this last could be considered a relatively extreme value in any historical sense. 4/6pic.twitter.com/n3YkUV71HZ
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I'm interested in seeing how the declination measure evaluates the proposals just based on how votes are distributed. This is just one, incomplete aspect of a map, but it's still a starting point and can help indicate which maps merit further consideration as fair maps. 3/6
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Their full analyses consider important considerations like population deviation, county splits, compactness, and preservation of communities of interest. 2/6
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