collaborators

6 papers

cs.LG2025

Merge before Forget: A Single LoRA Continual Learning via Continual Merging

Fuli Qiao, Mehrdad Mahdavi

Parameter-efficient continual learning has emerged as a promising approach for large language models (LLMs) to mitigate catastrophic forgetting while enabling adaptation to new tas…

cs.LG2025

Model Merging via Multi-Teacher Knowledge Distillation

Seyed Arshan Dalili, Mehrdad Mahdavi

Model merging has emerged as a lightweight alternative to joint multi-task learning (MTL), yet the generalization properties of merged models remain largely unexplored. Establishin…

cs.LG2025

On the Convergence and Stability of Distributed Sub-model Training

Yuyang Deng, Fuli Qiao, Mehrdad Mahdavi

As learning models continue to grow in size, enabling on-device local training of these models has emerged as a critical challenge in federated learning. A popular solution is sub-…

cs.HC2025

NaviSense: A Multimodal Assistive Mobile application for Object Retrieval by Persons with Visual Impairment

Ajay Narayanan Sridhar, Fuli Qiao, Nelson Daniel Troncoso Aldas +4

People with visual impairments often face significant challenges in locating and retrieving objects in their surroundings. Existing assistive technologies present a trade-off: syst…

cs.LG2025

Harnessing Optimization Dynamics for Curvature-Informed Model Merging

Pouria Mahdavinia, Hamed Mahdavi, Niloofar Mireshghallah +1

Model merging is an effective post-training strategy for composing capabilities in large language models without joint retraining. We study this in the supervised fine-tuning (SFT)…

cs.LG2025

Low-rank Momentum Factorization for Memory Efficient Training

Pouria Mahdavinia, Mehrdad Mahdavi

Fine-tuning large foundation models presents significant memory challenges due to stateful optimizers like AdamW, often requiring several times more GPU memory than inference. Whil…