@article{featuregeometryofloraadaptersasparseauto, title = {Feature Geometry of LoRA Adapters: A Sparse Autoencoder Analysis of Representational Divergence in Fine-Tuned Language Models}, author = {Prasanth K K}, year = {2026}, eprint = {2605.28896}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2605.28896}, }