Christopher J. Lourenco

Algorithm 1021: SPEX Left LU, Exactly Solving Sparse Linear Systems via a Sparse Left-looking Integer-preserving LU Factorization

T. Davis, Erick Moreno-Centeno, Jinhao Chen, 2022, ACM Trans. Math. Softw..

Exactly Solving Sparse Rational Linear Systems via Roundoff-Error-Free Cholesky Factorizations

Erick Moreno-Centeno, Christopher J. Lourenco, 2022, SIAM J. Matrix Anal. Appl..

Exact Solution of Sparse Linear Systems via Left-Looking Roundoff-Error-Free LU Factorization in Time Proportional to Arithmetic Work

Timothy A. Davis, Erick Moreno-Centeno, Adolfo R. Escobedo, 2019, SIAM J. Matrix Anal. Appl..