2 papers
math.CO2026
From a Voucher Puzzle to Extremal Sums of Adjacent Products
Chris Chen, Vivian Chen, Ray Cui +10
Motivated by a self-referential puzzle, we study sequences of voucher price tags in which each choice multiplies the cost of the following one. We connect the puzzle setting to cla…
cs.AI2026
Agents' Last Exam
Yiyou Sun, Xinyang Han, Weichen Zhang +306
Recent AI systems have achieved strong results on a wide range of benchmarks, yet these gains have not translated into economically meaningful deployment across many professional d…