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Arie Beresteanu @RunnerVgn

Associate Professor of economics at the University of Pittsburgh. Vegan, Runner, Frequenist.

Joined May 2019
  • Tweets 1,052
  • Following 202
  • Followers 325
257 Photos and videos
Arie Beresteanu retweeted
Elon Musk
@elonmusk
May 3

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The knapsack problem Part 5 youtu.be/_PidTOvoojg?si=sdXQ… via @YouTube The connection to partial identification of best linear predictors when interval outcome is present
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The knapsack problem Part 3 youtu.be/BqqHDnJQhwU?si=hh7E… via @YouTube

The knapsack problem Part 3

The fractional knapsack problem: (1) when the greedy algorithm may...

youtube.com
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Antizionism is antisemitism from its inception. az-mapping-project.base44.ap…

Mapping the Evolution of Antizionist Ideology in Academia

An interactive, scrollytelling educational experience mapping the evolution of antizionist ideology in Western academic institutions.

az-mapping-project.base44.app
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Reference: youtu.be/-3kn451rj6Y?si=K181…
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Arie Beresteanu retweeted
Eric Daugherty
@EricLDaugh
26 Dec 2025
🚨 JAW-DROPPING MOMENT: Somali "child care" in Minnesota... "It says you have 102 children here, and you got $2.66 million dollars in funding?" SOMALI: "THAT IS HARASSMENT!!" *Door SLAMS shut* 🤯 It's literally everywhere. Police have a LOT more Somali buildings to raid. 📽️ @nickshirleyy
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The @BLS_gov and @federalreserve (FRED) in the US have excellent, well maintained and well documented APIs. Do you know of similar APIs in other countries? EU? Asia? South America? Africa? etc. #economics #API #data
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The relativity dark skies abouve our Airbnb reveal a magnificent view. The bright dot is Jupiter nestled in the Gemini constellation (not clearly seen in the pic) #astronomy #StarGaze #Jupiter
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An avocado manifold
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I'm going to put some laundry in my son's shelf and I am seeing there this tsirt
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Then I unfold it and it's not that bad as I thought
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Yes, but how few is few? And how do you define a moment???
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The play list on set operations is growing: youtube.com/playlist?list=PL… #economics #econometrics #convexSets #partialIdentification

Set Operations

1. The definition and properties of the Minkowski sum of two sets in R^k. 2. The definition and properties of Hausdorff distance between sets 3. The extended...

youtube.com
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Two new videos on set operations. This time about the Hausdorff distance. Enjoy! youtube.com/playlist?list=PL…

Set Operations

1. The definition and properties of the Minkowski sum of two sets in R^k. 2. The definition and properties of Hausdorff distance between sets 3. The extended...

youtube.com
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Newer version of my paper with Behrooz. It's cleaner and clearer. arxiv.org/abs/2412.19779 #math #partialidentification #econometrics #Economics

Extended Set Difference : Inverse Operation of Minkowski Summation

This paper introduces the extended set difference, a generalization of the Hukuhara and generalized Hukuhara differences, defined for compact convex sets in $\mathbb{R}^d$. The proposed difference...

arxiv.org
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Anew series on Minkowski summation of two sets in R^k. Definition, basic properties, support functions. I hope you find it interesting and useful. #economerrics #mathematics youtube.com/playlist?list=PL…

Set Operations

1. The definition and properties of the Minkowski sum of two sets in R^k. 2. The definition and properties of Hausdorff distance between sets 3. The extended...

youtube.com
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A fun and relaxing read. You're knot going to believe it! (Sorry, I had to) New Knot Theory Discovery Overturns Long-Held Mathematical Assumption | Scientific American share.google/x6jWDfjrk18GCfn…

New Knot Theory Discovery Overturns Long-Held Mathematical Assumption

Mathematicians have unraveled a key conjecture about knot theory

scientificamerican.com
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Pittsburgh on the water
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RT @visegrad24: “What do you mean that you are ‘Syrian’? Tell us, are you Muslim or Druze?” Execution videos like this one from southern S…
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Arie Beresteanu retweeted
Anat Alon - Beck
@anatalonbeck
18 Jun 2025
Backing Israel Against Iran Is ‘America First’ | Thank you ⁦@MarkGoldfeder⁩! | via ⁦@DailyWireNews⁩ dailywire.com/news/backing-i…
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