@article{llmfpcadetectllmpoweredmultivariatefunct, title = {LLmFPCA-detect: LLM-powered Multivariate Functional PCA for Anomaly Detection in Sparse Longitudinal Texts}, author = {Prasanjit Dubey and Aritra Guha and Zhengyi Zhou and Qiong Wu and Xiaoming Huo and Paromita Dubey}, year = {2025}, eprint = {2512.14604}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2512.14604}, }