7 papers
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…
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…
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…
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…
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…
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…