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20232026
most citedImperative Learning: A Self-supervised Neuro-Symbolic Learning Framework for Robot Autonomy

12 citations · 18 across the 11 of their papers we have counts for

collaborators

11 papers

cs.LG2026

DeepMTL2R: A Library for Deep Multi-task Learning to Rank

Chaosheng Dong, Peiyao Xiao, Yijia Wang +1

This paper presents DeepMTL2R, an open-source deep learning framework for Multi-task Learning to Rank (MTL2R), where multiple relevance criteria must be optimized simultaneously. D…

cs.LG2025

Rethinking Parameter Sharing for LLM Fine-Tuning with Multiple LoRAs

Hao Ban, Kaiyi Ji

Large language models are often adapted using parameter-efficient techniques such as Low-Rank Adaptation (LoRA), formulated as , where is the pre-trained para…

cs.LG2025

SAMO: A Lightweight Sharpness-Aware Approach for Multi-Task Optimization with Joint Global-Local Perturbation

Hao Ban, Gokul Ram Subramani, Kaiyi Ji

Multi-task learning (MTL) enables a joint model to capture commonalities across multiple tasks, reducing computation costs and improving data efficiency. However, a major challenge…

cs.LG2025

LDC-MTL: Balancing Multi-Task Learning through Scalable Loss Discrepancy Control

Peiyao Xiao, Chaosheng Dong, Shaofeng Zou +1

Multi-task learning (MTL) has been widely adopted for its ability to simultaneously learn multiple tasks. While existing gradient manipulation methods often yield more balanced sol…

cs.LG2025★ 1 cited

ReciNet: Reciprocal Space-Aware Long-Range Modeling for Crystalline Property Prediction

Jianan Nie, Peiyao Xiao, Kaiyi Ji +1

Predicting properties of crystals from their structures is a fundamental yet challenging task in materials science. Unlike molecules, crystal structures exhibit infinite periodic a…

cs.LG2024★ 1 cited

Tuning-Free Bilevel Optimization: New Algorithms and Convergence Analysis

Yifan Yang, Hao Ban, Minhui Huang +2

Bilevel optimization has recently attracted considerable attention due to its abundant applications in machine learning problems. However, existing methods rely on prior knowledge…

cs.RO2024★ 12 cited

Imperative Learning: A Self-supervised Neuro-Symbolic Learning Framework for Robot Autonomy

Chen Wang, Kaiyi Ji, Junyi Geng +16

Data-driven methods such as reinforcement and imitation learning have achieved remarkable success in robot autonomy. However, their data-centric nature still hinders them from gene…

cs.LG2024

MGDA Converges under Generalized Smoothness, Provably

Qi Zhang, Peiyao Xiao, Shaofeng Zou +1

Multi-objective optimization (MOO) is receiving more attention in various fields such as multi-task learning. Recent works provide some effective algorithms with theoretical analys…

cs.LG2024

Theoretical Study of Conflict-Avoidant Multi-Objective Reinforcement Learning

Yudan Wang, Peiyao Xiao, Hao Ban +2

Multi-task reinforcement learning (MTRL) has shown great promise in many real-world applications. Existing MTRL algorithms often aim to learn a policy that optimizes individual obj…

cs.LG2024★ 4 cited

Fair Resource Allocation in Multi-Task Learning

Hao Ban, Kaiyi Ji

By jointly learning multiple tasks, multi-task learning (MTL) can leverage the shared knowledge across tasks, resulting in improved data efficiency and generalization performance.…

math.OC2023

Achieving Complexity in Hessian/Jacobian-free Stochastic Bilevel Optimization

Yifan Yang, Peiyao Xiao, Kaiyi Ji

In this paper, we revisit the bilevel optimization problem, in which the upper-level objective function is generally nonconvex and the lower-level objective function is strongly co…