collaborators

7 papers

cs.LG2026

Fractional-Order Federated Learning

Mohammad Partohaghighi, Roummel Marcia, YangQuan Chen

Federated learning (FL) allows remote clients to train a global model collaboratively while protecting client privacy. Despite its privacy-preserving benefits, FL has significant d…

cs.LG2026

Fractional Order Federated Learning for Battery Electric Vehicle Energy Consumption Modeling

Mohammad Partohaghighi, Roummel Marcia, Bruce J. West +1

Federated learning on connected electric vehicles (BEVs) faces severe instability due to intermittent connectivity, time-varying client participation, and pronounced client-to-clie…

cs.LG2026

Roughness-Informed Federated Learning

Mohammad Partohaghighi, Roummel Marcia, Bruce J. West +1

Federated Learning (FL) enables collaborative model training across distributed clients while preserving data privacy, yet faces challenges in non-independent and identically distr…

cs.LG2026

When Gradient Clipping Becomes a Control Mechanism for Differential Privacy in Deep Learning

Mohammad Partohaghighi, Roummel Marcia, Bruce J. West +1

Privacy-preserving training on sensitive data commonly relies on differentially private stochastic optimization with gradient clipping and Gaussian noise. The clipping threshold is…

cs.LG2026

Statistical Roughness-Informed Machine Unlearning

Mohammad Partohaghighi, Roummel Marcia, Bruce J. West +1

Machine unlearning aims to remove the influence of a designated forget set from a trained model while preserving utility on the retained data. In modern deep networks, approximate…

cs.LG2025

Effective Dimension Aware Fractional-Order Stochastic Gradient Descent for Convex Optimization Problems

Mohammad Partohaghighi, Roummel Marcia, YangQuan Chen

Fractional-order stochastic gradient descent (FOSGD) leverages fractional exponents to capture long-memory effects in optimization. However, its utility is often limited by the dif…