Invertible conditions,indices and periods of matrices over an incline are considered.In all proofs multiplicative commutativity is not used.Some results about invertibility, indices and periods in a commutative inclin...Invertible conditions,indices and periods of matrices over an incline are considered.In all proofs multiplicative commutativity is not used.Some results about invertibility, indices and periods in a commutative incline are proved to be correct also for any incline.展开更多
基金Supported by the Innovation Program of Shanghai Municipal Education Commission(11YZ225)
文摘Invertible conditions,indices and periods of matrices over an incline are considered.In all proofs multiplicative commutativity is not used.Some results about invertibility, indices and periods in a commutative incline are proved to be correct also for any incline.