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Author

Rachitesh Kumar

2 papers indexed here

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Preprint Oct 2026

Impossibility of No-Regret in Multi-Agent Bidding

We consider $T$ repeated second-price auctions across $n$ pacing bidders with i.i.d. item arrivals, and show that it is computationally impossible for all bidders to achieve no-regret simultaneously while satisfying their respective budget or return-on-investment constraints. Therefore, in the prominent internet auctio...

Zong-Jun Yang, Rachitesh Kumar, Christian Kroer · 0 citations
Preprint Oct 2026

Trading with the STARS: Algorithm Design&Spectrum of Fundamental Limits for Trading with Storage

We study an online trading problem where a trader, given a sequence of i.i.d. prices drawn from a known distribution $F$ on $[0,1]$, must make irrevocable buy, sell, or hold decisions subject to storage constraints. We investigate achievable algorithmic performance measured in terms of regret, the difference between th...

Jerry Anunrojwong, Akshit Kumar, Rachitesh Kumar · 0 citations

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