Classroom question List the key words from the following video as many as possible Will invite you to list the keywords
Classroom question • List the keywords from the following video as many as possible! • Will invite you to list the keywords
M. Nowak@ Harvard Univ
M. Nowak @ Harvard Univ
Keywords from m. nowak Evolution of cooperation
Keywords from M. Nowak “Evolution of Cooperation” • ……
Classroom questions for the 2nd round of the video How to decide your best strategy in a PD? Why NATURAL SElECtion cannot generate cooperation Why TFT>ALL D>ALL C>G-TFT>TFT? What is the difference between direct reciprocity(直接互惠) and indirect reciprocity?
Classroom questions for the 2nd round of the video • How to decide your best strategy in a PD? • Why NATURAL SELECTION cannot generate cooperation? • Why TFT>ALL D>ALL C>G-TFT>TFT? • What is the difference between direct reciprocity (直接互惠) and indirect reciprocity?
Game and Nash equilibrium X=(x1,x2 X=(x,x2…,x2)约納什 2015.524 X =(n.x. X.1X U(X=U (i,x_i) Individual i,'s utility function v,U1(x2x)≥U1(x2x)2x∈X,xX Ⅹ> A Nash equilibrium If the inequality hold strict, the Nash equilibrium is a strict Nash equilibrium(SNe)
Game and Nash equilibrium * * ' * * * ' * , ( , ) ( , ), , i i i i i i i i i U x x U x x x X x X A Nash equilibrium 1 2 ( , , ) X x x x n 1 2 1 1 ( , , , , ) i i i n x x x x x x U X U x x i i i i ( ) ( , ) Individual i’s utility function * * * * 1 2 ( , , ) X x x x n * X If the inequality hold strict, the Nash equilibrium is a strict Nash equilibrium (SNE). 约翰.纳什-2015.5.24