T. Ogita, K. Aishima:
Iterative refinement for symmetric eigenvalue decomposition,
Japan Journal of Industrial and Applied Mathematics, 35:3 (2018), 1007-1035.
/ Part II: clustered eigenvalues, 36:2 (2019), 435-459.
Takeshi Ogita:
Accurate Matrix Factorization: Inverse LU and Inverse QR Factorizations,
SIAM Journal on Matrix Analysis and Applications, 31:5 (2010), 2477-2497.
Takeshi Ogita, Siegfried M. Rump, Shin'ichi Oishi:
Accurate Sum and Dot Product,
SIAM Journal on Scientific Computing, 26:6 (2005), 1955-1988.
Takeshi Ogita, Shin'ichi Oishi, Yasunori Ushiro:
Fast Verification of Solutions for Sparse Monotone Matrix Equations,
Computing, Supplement 15 (2001), 175-187.
(Topics in Numerical Analysis: With Special Emphasis on Nonlinear Problems, G. Alefeld and X. Chen eds., Springer WienNewYork, Austria)