In digital online advertising, advertisers procure ad impressions simultaneously on multiple
platforms, or so-called channels, such as Google Ads, Meta Ads Manager, etc., each of …

Budget management strategies in repeated auctions have received growing attention in
online advertising markets. However, previous work on budget management in online …

In online advertising markets, setting budget and return on investment (ROI) constraints are
two prevalent ways to help advertisers (ie buyers) utilize limited monetary resources …

We consider the problem of designing contextual bandit algorithms in the``cross-
learning''setting of Balseiro et al., where the learner observes the loss for the action they play …

We study online learning in repeated first-price auctions where a bidder, only observing the
winning bid at the end of each auction, learns to adaptively bid to maximize the cumulative …

We study the problem of regret minimization for a single bidder in a sequence of first-price
auctions where the bidder discovers the item's value only if the auction is won. Our main …

First-price auctions have very recently swept the online advertising industry, replacing
second-price auctions as the predominant auction mechanism on many platforms. This shift …

The choice of care unit upon admission to the hospital is a challenging task because of the
wide variety of patient characteristics, uncertain needs of patients, and limited number of …

In many online platforms, customers' decisions are substantially influenced by product
rankings as most customers only examine a few top-ranked products. Concurrently, such …

With the advent and increasing consolidation of e-commerce, digital advertising has very
recently replaced traditional advertising as the main marketing force in the economy. In the …