Update README.md

README.md

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-license: mit
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+---
+license: mit
+---
+
+# GeoPT
+
+This repository contains pre-trained models for the paper GeoPT: Scaling Physics Simulation via Lifted Geometric Pre-Training.
+
+GeoPT is a unified model pre-trained on large-scale geometric data for general physics simulation, unlocking a scalable path for neural simulation.
+
+## Usage
+
+Concrete usage can be found in https://github.com/Physics-Scaling/GeoPT
+
+## Citation
+
+If you find this repo useful, please cite our paper. 
+
+```
+@article{wu2026GeoPT,
+  title={GeoPT: Scaling Physics Simulation via Lifted Geometric Pre-Training},
+  author={Haixu Wu, Minghao Guo, Zongyi Li, Zhiyang Dou, Mingsheng Long, Kaiming He, Wojciech Matusik},
+  booktitle={arXiv preprint arXiv:},
+  year={2026}
+}
+```
+
+## Contact
+
+If you have any questions or want to use the code, please contact Haixu Wu (wuhaixu98@gmail.com) and Minghao Guo (guomh2014@gmail.com).