BGV Scheme
基本的には CKKS scheme と同じだった
@article{brakerski2014leveled,
title={(Leveled) fully homomorphic encryption without bootstrapping},
author={Brakerski, Zvika and Gentry, Craig and Vaikuntanathan, Vinod},
journal={ACM Transactions on Computation Theory (TOCT)},
volume={6},
number={3},
pages={1--36},
year={2014},
publisher={ACM New York, NY, USA}
}