Publication - Journal Article AMPS: An Augmented Matrix Formulation for Principal Submatrix Updates with Application to Power Grids DOI https://doi.org/10.1137/16m1082755 Journal Article SIAM Journal on Scientific Computing, vol. 39, iss. 5, pp. S809-S827, 2017 Authors Yu-Hong Yeung, Alex Pothen, Mahantesh Halappanavar, Zhenyu Huang Language English