activity
20232025
most citedA Sinkhorn-type Algorithm for Constrained Optimal Transport

1 citations · 1 across the 7 of their papers we have counts for

collaborators

7 papers

math.OC2025

An efficient algorithm for entropic optimal transport under martingale-type constraints

Xun Tang, Michael Shavlovsky, Holakou Rahmanian +2

This work introduces novel computational methods for entropic optimal transport (OT) problems under martingale-type conditions. The considered problems include the discrete marting…

cs.IR2025

RewardRank: Optimizing True Learning-to-Rank Utility

Gaurav Bhatt, Kiran Koshy Thekumparampil, Tanmay Gangwani +2

Traditional ranking systems optimize offline proxy objectives that rely on oversimplified assumptions about user behavior, often neglecting factors such as position bias and item d…

cs.HC2024

Orbit: A Framework for Designing and Evaluating Multi-objective Rankers

Chenyang Yang, Tesi Xiao, Michael Shavlovsky +2

Machine learning in production needs to balance multiple objectives: This is particularly evident in ranking or recommendation models, where conflicting objectives such as user eng…

cs.LG2024

COS-DPO: Conditioned One-Shot Multi-Objective Fine-Tuning Framework

Yinuo Ren, Tesi Xiao, Michael Shavlovsky +2

In LLM alignment and many other ML applications, one often faces the Multi-Objective Fine-Tuning (MOFT) problem, i.e., fine-tuning an existing model with datasets labeled w.r.t. di…

math.OC2024★ 1 cited

A Sinkhorn-type Algorithm for Constrained Optimal Transport

Xun Tang, Holakou Rahmanian, Michael Shavlovsky +3

Entropic optimal transport (OT) and the Sinkhorn algorithm have made it practical for machine learning practitioners to perform the fundamental task of calculating transport distan…

math.OC2024

Accelerating Sinkhorn Algorithm with Sparse Newton Iterations

Xun Tang, Michael Shavlovsky, Holakou Rahmanian +4

Computing the optimal transport distance between statistical distributions is a fundamental task in machine learning. One remarkable recent advancement is entropic regularization a…

cs.LG2023

Multi-Objective Optimization via Wasserstein-Fisher-Rao Gradient Flow

Yinuo Ren, Tesi Xiao, Tanmay Gangwani +4

Multi-objective optimization (MOO) aims to optimize multiple, possibly conflicting objectives with widespread applications. We introduce a novel interacting particle method for MOO…