We describe the additive preservers of idempotence from U to M_m(R) when 2 is a unit of R. 我们刻化了2为环R的单位时从(?) 到M_m(R)的保幂等的加法映射形式。
In order to eliminate buffeting caused by exponentially reaching law, an idempotence term is introduced to make the control law smooth. 引入幂次项进行平滑设计，以减少指数趋近律引起的抖振。
A note on additive preserver of idempotence 加法保幂等的注记
The Potential Idempotence of Nonnegaeive Sign Pattern Matrix 非负符号模式矩阵的蕴含幂等性
Maps on spaces of symmetric matrices preserving idempotence 对称矩阵空间上保幂等性的映射
ADDITIVE INJECTIVE MAPS PRESERVING IDEMPOTENCE AND TRIPOTENCE ON THE SPACE OF TRIANGULAR MATRICES OVER FIELDS 域上三角矩阵空间保幂等与立方幂等的加法单映射
