Update History

1. [2022.11.20] Problem 1 (1): $f \rightarrow F$; Problem 2: ids of subproblems
2. [2022.11.22] Problem 4 (4): add a mild upper bound for $\mathcal{D}_\psi(\mathbf{x}, \mathbf{y})$
3. [2022.11.23] Problem 1 (2): change $\mathbf{w}^\top X$ to $X \mathbf{w}$ since the dimension of $\mathbf{w}$ is $(d \times 1)$
4. [2022.11.28] Problem 3: add a mild assumption: $\mathbf{0} \in \mathcal{X}$; Problem 4 (1): term (c) is negative
5. [2022.12.05] Problem 5 (2): correct the regret definition of player-$\mathbf{y}$
6. [2022.12.07] Problem 5: correct the assumption of $\|A\|_{\infty, 1}$; Problem 5 (3): add a hint