Why would that make it convex? To me those appear unrelated.
If you have two strategy pairs (x0,y0),(x1,y1), you can form a convex combination of them like this: Flip a weighted coin; play strategy 0 on heads and strategy 1 on tails. This scheme requires both players to see the same coin flip.
Why would that make it convex? To me those appear unrelated.
If you have two strategy pairs (x0,y0),(x1,y1), you can form a convex combination of them like this: Flip a weighted coin; play strategy 0 on heads and strategy 1 on tails. This scheme requires both players to see the same coin flip.