Whilestochastic optimization ofAUROChasbeenstudied extensively, principled stochastic optimization of AUPRC has been rarely explored.

Conv-PCA is a naive method proposed in Section 4.1.

Yij. Assume now we have a graph embeddingZ: V Rd

Inversionoflinearsystems As mentioned in Corollary(1), for the Lasso, when computing the gradient off, one can either invert an nlinear system or anm mlinear system.

Feint behaviors refer to a set of deceptive behaviors in a nuanced manner, which enable players to obtain temporal and spatial advantages over opponents in competitive games.