Discover and read the best of Twitter Threads about #orms

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#Italy can cut its #CO2 emissions by up to 97% and this can lead to *lower* #energy prices.

Hard to believe? Check out our new paper in #RSER: authors.elsevier.com/a/1dyo14s9Hw2F…

⚡️HIGHLIGHTS BELOW👇

#COP26 #ClimateCrisis #energytwitter
@ImperialBiz @EnergyFuturesIC @CogImperial
#EnergyScope is an #optimization model looking at the whole-energy system, including #electricity, #heating and #transport.

We present a new version of the model and propose it to devise deep #decarbonization scenarios for #Italy, like this one!

#ORMS #DataScience Image
How does a 97% decarbonized Italy look like?

[left] #renewableenergy share in primary energy supply increases from 16% in 2015 to 83% in 2050.

[right] sector-coupling: increased #electricity penetration in #heating, #transportation and #hydrogen production. Image
Read 8 tweets
Stewart Rose on BBC Radio 4: “There is no shortage of food. Nobody will starve. There is a £1bn more food in people’s larders than there was a couple of weeks ago. What are they doing with it? How much do you need to eat? How much do you need to store away?”
So, saying there is £1 billion more food in than before - what _are_ people doing with it?
theguardian.com/world/2020/mar…

Well...
There are 20 million households in the UK. So, £1 billion divided by 20 million households is £50 per household. Which seems a lot of unnecessary stockpiling. Yes, there is some of that going on, but...
Read 6 tweets
Georgia Tech Professor John Bartholdi has passed away. He was my advisor, my mentor, and my friend. His passing leaves a terrible hole, but I am incredibly grateful for the impact he has had on me both professionally and personally. @GeorgiaTechISyE #orms
@GeorgiaTechISyE On the professional side, he, Craig Tovey and I spent a fantastic few years writing papers that would become a foundation for the field of computational social choice. After sitting dormant (citation-wise) for fifteen years (from 1990-2005), the impact of those papers exploded.
@GeorgiaTechISyE There is no one who was more creative in approaches to problems. He was never satisfied with just formulating a problem as an integer program. He always found something very clever and interesting in problems. (3/n)
Read 13 tweets
Unser Beitrag zur #Wahlrechtsreform im Auftrag des @Wahlleiter_Bund:
Objektiv und rechtlich optimierte Einteilungen Deutschlands in z.B. 250, 200 und 125 Wahlkreise. Mit Mathematik!

Interaktive Ergebnisse: 🗺️ or.rwth-aachen.de/wahlkreiskarte

⬇️[THREAD]
Bei Absenkung der Wahlkreisanzahl, kann Neuzuschnitt mit Methoden der mathematischen Optimierung und lediglich basierend auf den rechtlichen Vorgaben (Wahlgleichheit etc.) objektiv & parteipolitisch unabhängig durchgeführt werden!

📄 Forschungsergebnisse sind nun veröffentlicht.
Wie deutsche Bundestagswahlkreise auszusehen haben, geben das Gesetz und Rechtsprechungen vor:
1⃣ Gleichheit der Wahl => jeder Wahlkreis möglichst gleiche Bevölkerungsanzahl
2⃣ Administrative Konformität => Wahlkreise möglichst an Landkreisen, kreisfreien Städten u.ä. orientieren
Read 15 tweets

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