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Let A = PQT, where P and Q are two n × 2 complex matrices of full column rank such that QTP is singular. We solve the quadratic matrix equation AXA = XAX. Together with a previous paper devoted to the case that QTP is nonsingular, we have completely solved the matrix equation with any given matrix A of rank-two.
Duanmei Zhou, Guoliang Chen, and Jiu Ding. "On the Yang-Baxter-like matrix equation for rank-two matrices." Open Mathematics 15.1 (2017): 340-353. <http://eudml.org/doc/288077>.
@article{DuanmeiZhou2017, abstract = {Let A = PQT, where P and Q are two n × 2 complex matrices of full column rank such that QTP is singular. We solve the quadratic matrix equation AXA = XAX. Together with a previous paper devoted to the case that QTP is nonsingular, we have completely solved the matrix equation with any given matrix A of rank-two.}, author = {Duanmei Zhou, Guoliang Chen, Jiu Ding}, journal = {Open Mathematics}, keywords = {Rank-two matrix; Matrix equation; Jordan form; rank-two matrix; quadratic matrix equation}, language = {eng}, number = {1}, pages = {340-353}, title = {On the Yang-Baxter-like matrix equation for rank-two matrices}, url = {http://eudml.org/doc/288077}, volume = {15}, year = {2017}, }
TY - JOUR AU - Duanmei Zhou AU - Guoliang Chen AU - Jiu Ding TI - On the Yang-Baxter-like matrix equation for rank-two matrices JO - Open Mathematics PY - 2017 VL - 15 IS - 1 SP - 340 EP - 353 AB - Let A = PQT, where P and Q are two n × 2 complex matrices of full column rank such that QTP is singular. We solve the quadratic matrix equation AXA = XAX. Together with a previous paper devoted to the case that QTP is nonsingular, we have completely solved the matrix equation with any given matrix A of rank-two. LA - eng KW - Rank-two matrix; Matrix equation; Jordan form; rank-two matrix; quadratic matrix equation UR - http://eudml.org/doc/288077 ER -