@article{oai:u-ryukyu.repo.nii.ac.jp:02012067, author = {Sudo, Takahiro}, issue = {107}, journal = {琉球大学理学部紀要, BULLETIN OF THE FACULTY OF SCIENCE UNIVERSITY OF THE RYUKYUS}, month = {Mar}, note = {We study projections of matrix algebras over complex or real numbers, to (partially) classify the (generically non-degenerate) projections (in our sense) and their spaces algebraically and geometrically, in the three by three, and four by four matrix cases, and in the general matrix case., 紀要論文}, pages = {1--31}, title = {The algebraic and geometric classification of generically non-degenerate projections of matrix algebras over complex numbers}, year = {2019} }