3 papers
cs.AI2026
Certify the Decision, Not Every Score: Exact Top-k Selection from Few Evaluations
Yuhe Sui, Yingzhi Tang
Choosing a few robust algorithms or schedules can require evaluating every candidate under many adverse scenarios, even though an agent only needs to identify the winners. A predic…
cs.CE2026
Exact Trade-Level Attribution of FRTB-IMA Capital
Yuhe Sui
The internal-models approach of the Fundamental Review of the Trading Book (FRTB-IMA) determines market-risk capital at the aggregate level of a bank's approved trading desks, but…
cs.LG2026
PolicyAttention: Softmax Attention Implements Policy Mirror Descent for Closed-Loop Control
Yuhe Sui, Yingzhi Tang, Shufang Chen
Can causal softmax attention implement policy mirror descent as a repeated controller rather than a one-step algebraic identity? Negative-entropy policy mirror descent (PMD) has th…