- Next Week in Jerusalem: Special Day on Quantum PCP, Quantum Codes, Simplicial Complexes and Locally Testable Codes
- Happy Birthday Ervin, János, Péter, and Zoli!
- My Mathematical Dialogue with Jürgen Eckhoff
- Test Your Intuition (23): How Many Women?
- Happy Birthday Richard Stanley!
- Influence, Threshold, and Noise
- Erdős Lectures 2014 – Dan Spielman
- Answer to Test Your Intuition (22)
- Test your intuition (22): Selling Two Items in a Bundle.
Top Posts & Pages
- Why Quantum Computers Cannot Work: The Movie!
- The Kadison-Singer Conjecture has beed Proved by Adam Marcus, Dan Spielman, and Nikhil Srivastava
- Polymath 8 - a Success!
- Believing that the Earth is Round When it Matters
- Emmanuel Abbe: Erdal Arıkan's Polar Codes
- Another Forgotten Bet: Is Don Zagier About to Owe Me 1000 Shekels For The Proof of the ABC Conjecture?
- Answer: Lord Kelvin, The Age of the Earth, and the Age of the Sun
- In how many ways you can chose a committee of three students from a class of ten students?
Category Archives: Rationality
Yair Tauman (This post is a continuation of this previous post.) Aumann and Myerson proposed that if political and ideological matters are put aside, the party forming the coalition would (or should) prefer to form the coalition in which its own power (according … Continue reading
The problem. OK, we had an election and have a new parliament with 120 members. The president has asked the leader of one party to form a coalition. (This has not happened yet in the Israeli election but it will happen soon.) Such … Continue reading
Imagine if in the last ten years before the collapse, the huge failed financial and insurance institutions had had independent research units devoted to doing basic, open, and critical research on matters of relevance to the business, ethics, and future of these institutions. Might it have made a small … Continue reading
It is election day in Israel, and an opportunity to tell the beautiful and moving story of Achnai’s oven. Towards the end of the first century, a few decades after the big Jewish rebellion against the Romans, the sages of the … Continue reading
We have two players playing in turns. Each player can decide to stop in which case the game is stopped and the two players can go on with their lives, or to act. The player that acts gains and … Continue reading
Debates are fascinating human activities that are a mixture of logic, strategy, and show. Not everybody shares this fascination. The German author Emil Ludwig considered debates to be the death of conversation. Jonathan Swift regarded debates as the worst … Continue reading
How can we assign probabilities in cases of uncertainty? And what is the nature of probabilities, to start with? And what is the rational mechanism for making a choice under uncertainty? Thomas Bayes lived in the eighteenth century. Bayes’ famous … Continue reading
One mental experiment I am fond of asking people (usually before elections) is this: Suppose that just a minute before the votes are counted you can change the outcome of the election (say, the identity of the winner, or even … Continue reading
Correlation and Cooperation In our spring school devoted to Arrow’s economics, Menahem Yaari gave a talk entitled “correlation and cooperation.” It was about games as a model of people’s behavior, and Yaari made the following points: It is an empirical fact … Continue reading
1. The “Center for Rationality” “Founded in 1991, the Hebrew University’s Center for the Study of Rationality [at first it was simply called "Center for Rationality"] is a unique venture in which faculty, students, and guests join forces to explore the … Continue reading