Optimal item pricing in online combinatorial auctions

J Correa, A Cristi, A Fielbaum, T Pollner… - Mathematical …, 2024 - Springer
We consider a fundamental pricing problem in combinatorial auctions. We are given a set of
indivisible items and a set of buyers with randomly drawn monotone valuations over subsets …

Prophet Inequalities Require Only a Constant Number of Samples

A Cristi, B Ziliotto - Proceedings of the 56th Annual ACM Symposium on …, 2024 - dl.acm.org
In a prophet inequality problem, n independent random variables are presented to a
gambler one by one. The gambler decides when to stop the sequence and obtains the most …

[PDF][PDF] Lower Bound Constructions for Matroid Intersection Prophet Inequalities

A Maheshwari - amaheshwari.com
We study new constructions aimed at strengthening the lower bound for the intersection of m
matroids prophet inequality. Current algorithms obtain at best O (m)-approximations while …