Dominic
Berry
Berry, D., Childs, A. M., Ostrander, A., & Wang, G. (2017). Quantum Algorithm for Linear Differential Equations with Exponentially Improved Dependence on Precision. Communications in Mathematical Physics, 356, 1057–1081. http://doi.org/10.1007/s00220-017-3002-y (Original work published October 2017)