Author

Long Nguyen-Chi

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Preprint Oct 2026

Birth-Death Structural Learning for 3D Gaussian Splatting

3D Gaussian Splatting (3DGS) has become a standard representation for real-time novel-view synthesis. Yet, its quality-efficiency trade-off still relies heavily on adaptive density control. Existing cloning, splitting, and pruning rules use proxy signals, such as position gradients, opacity, and image-space error. Alth...

Q. Hong, Long Nguyen-Chi, B. T. Nguyen · 0 citations

#machine learning Preprint Oct 2026

How Finite-Rank Bottlenecks Shape the Low-Rank Adaptation Landscape

Low-rank adaptation (LoRA) has become the standard method for parameter-efficient fine-tuning of large pretrained models, yet theoretical explanations for why low-rank updates suffice remain incomplete. Most existing analyses rely on the Neural Tangent Kernel (NTK) regime, which linearizes the network around the pretra...

Long Nguyen-Chi, Quynh Nguyen, Thanh Nguyen-Cung et al. · 0 citations