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Lecture 6: Nash Equilibrum Existence
pf:
- For mixed strategy profile p ∈ Δ(A), let g_ij(p) = gain for player i to switch to pure strategy j.
- Define y: Δ(A) -> Δ(A) by y_ij(p) ∝ p_ij + g_ij(p) (normalizing constant = 1 + ∑_k g_ik(p)).
- Look at fixed point of y.
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june 2017 by nhaliday

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