Peter Arbenz, Gene H. Golub. Matrix shapes invariant under the symmetric QR algorithm. Numerical Lin. Alg. with Applic., 2(2):87-93, 1995. [doi]
@article{ArbenzG95-0,
title = {Matrix shapes invariant under the symmetric QR algorithm},
author = {Peter Arbenz and Gene H. Golub},
year = {1995},
doi = {10.1002/nla.1680020203},
url = {http://dx.doi.org/10.1002/nla.1680020203},
researchr = {https://researchr.org/publication/ArbenzG95-0},
cites = {0},
citedby = {0},
journal = {Numerical Lin. Alg. with Applic.},
volume = {2},
number = {2},
pages = {87-93},
}