Author Archives: F. E. Guerra-Pujol
Tit for tat
Tit for tat is a famous game theory strategy in repeat games. It consists of cooperating on the first move, then subsequently copying the other player’s move. It is also supposed to be a forgiving strategy; otherwise, a single defection … Continue reading
The offensive pass interference rule
Section 5 of Rule 8 of the official 2019 NFL Rulebook (available here) defines what conduct constitutes “pass interference.” Although Section 5 contains four separate articles and over 800 words, Article 4 specifically states that “blocking more than one yard … Continue reading
Epiphany
Today (6 Jan.) is the Feast Day of Epiphany or “Three Kings Day.” To commemorate this wonderful occasion, we are posting below “The Adoration of the Magi” by Fra Angelico (Guido di Pietro), an Italian painter of the Early Renaissance … Continue reading
New year, new syllabus (Business Law)
Here it is, via WordPress or Google Docs. Once again, I will be using the rise of Facebook–as depicted in the award-winning movie The Social Network–to teach my survey course in business law. (The cover page of my new syllabus … Continue reading
Targeted Killings: Law and Morality in an Asymmetrical World
That is the title of this 2012 book edited by Claire Finkelstein, Jens David Ohlin, and Andrew Altman. This tome (pictured below) contains 18 essays by a wide variety of scholars. Jeremy Waldron, for example, explores the morality associated with targeted … Continue reading
These beetles do not exist
Check out this pithy report by Rob Beschizza describing an amazing AI program called Confusing Coleopterists. In brief, this program was trained on illustrations of extant beetles from existing zoological textbooks. In the words of Mr Beschizza: “The extreme formality of this … Continue reading
A year of ideas
To start off the new year on the right track, I have assembled below, for your reading pleasure and intellectual stimulation, my favorite “best of” end-of-year reflections and collection of ideas from 2019. Enjoy! 1. Larry Solum: Downloads of the … Continue reading

