Publications

You can also find my articles on my Google Scholar profile.

Conference Papers

Sync or Sink: Bounds on Algorithmic Collective Action with Noise and Multiple Groups

Published in 2025 Neural Information Processing System (NeuIPS 25) Workshop on Algorithmic Collective Action, 2025

Provide bounds on effective collection action based on the prescence of multiple distributtions acting on a system - either due to noise in a system or multiple collectives

Recommended citation: Aditya Karan, Prabhat Kalle, Nicholas Vincent, and Hari Sundaram. 2025. Sync or Sink: Bounds on Algorithmic Collective Action with Noise and Multiple Groups. https://doi.org/10.48550/arXiv.2510.18933.
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Algorithmic Collective Action with Two Collectives

Published in 2025 ACM Conference on Fairness, Accountability, and Transparency (FAccT), 2025

Building a framework for understanding algorithmic collective action with two or more collectives

Recommended citation: Aditya Karan, Nicholas Vincent, Karrie Karahalios, and Hari Sundaram. 2025. Algorithmic Collective Action with Two Collectives. In Proceedings of the 2025 ACM Conference on Fairness, Accountability, and Transparency (FAccT 2025). Association for Computing Machinery, New York, NY, USA, 1468–1483. https://doi.org/10.1145/3715275.3732098.
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Oh the Prices You’ll See: Designing a Fair Exchange System to Mitigate Personalized Pricing

Published in 2025 ACM Conference on Fairness, Accountability, and Transparency (FAccT), 2025

This paper examines how groups can exploit high dispersion personalized pricing via a trading based system to improve outcomes

Recommended citation: Aditya Karan, Naina Balepur, and Hari Sundaram. 2025. Oh the Prices You’ll See: Designing a Fair Exchange System to Mitigate Personalized Pricing. In Proceedings of the 2025 ACM Conference on Fairness, Accountability, and Transparency (FAccT 2025). Association for Computing Machinery, New York, NY, USA, 1159–1171.
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Your Browsing History May Cost You: A Framework for Discovering Differential Pricing in Non-Transparent Markets

Published in 2023 ACM Conference on Fairness, Accountability, and Transparency (FAccT), 2023

The prices of flights and hotels in an competitive online marketplace (Kayak) is influenced by browsing history and can be decomposed to differnetiation done by the seller as well as non-seller based differentiation.

Recommended citation: Karan, A., Balepur, N., & Sundaram, H. (2023, June). Your Browsing History May Cost You: A Framework for Discovering Differential Pricing in Non-Transparent Markets. In Proceedings of the 2023 ACM Conference on Fairness, Accountability, and Transparency (pp. 717-735).
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