unitary character

T} 上的复值函数 f {\displaystyle f} 可表示为无穷多个 T {\displaystyle T} 的酉特征（英语：unitary character）的线性叠加之和。也就是说， T {\displaystyle T} 到圓群 U ( 1 ) {\displaystyle U(1)}

This characterization of the dynamics of bipolar disorder provides a unitary theoretical framework that can accommodate neurobiologic and psychosocial