One about game theory and its relation to Objectivism: https://www.atlassociety.org/post/game-theory-and-objectivis...
And another about the Prisoners Dilemma specifically and which touches on the Nash equilibria: https://www.atlassociety.org/post/prisoners-dilemma
And for people like me who are interested in the relationships between the two, here are some opinions of people from quora: https://www.quora.com/How-does-Objectivism-view-the-Nash-equ...