@article{nouniversalcourtesyacrosslinguisticmulti, title = {No Universal Courtesy: A Cross-Linguistic, Multi-Model Study of Politeness Effects on LLMs Using the PLUM Corpus}, author = {Hitesh Mehta and Arjit Saxena and Garima Chhikara and Rohit Kumar}, year = {2026}, eprint = {2604.16275}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2604.16275}, }