Last name Dave Bacon Source date 2009-07-28 Website The Quantum Pontiff URL access date 2009-12-30 ↑ Rahul Jain; Zhengfeng Ji; Sarvagya Upadhyay; John Watrous (2009). "QIP = PSPACE". arXiv:0907.4737 [quant-ph]. Cite arXiv arXiv class quant-ph Author 2 Zhengfeng Ji Title QIP = PSPACE ↑ Watrous, John (2003).