Boson sampling is not universal. On the other hand, it could be used to demonstrate a quantum advantage: https://arxiv.org/abs/1011.3245 https://arxiv.org/abs/1

Boson sampling is not universal. On the other hand, it could be used to demonstrate a quantum advantage: https://arxiv.org/abs/1011.3245 https://arxiv.org/abs/1011.3245.