有界。而 φN,x 於 C ( T ) {\displaystyle C(\mathbb {T} )} 的對偶空間的範數,是帶號測度(英语:Signedmeasure) (2π)−1DN(x−t) dt 的範數,故 ‖ φ N , x ‖ = 1 2 π ∫ 0 2 π | D N ( x − t )
ISBN 978-0-8047-6723-1. (原始内容存档于2022-05-13). The Russian army took a preemptive measure by blocking the Muzart pass to cut the road from Kashgaria to Kulja. Jesse
i j s i g n e d = 0.5 + 0.5 c o r ( x i , x j ) {\displaystyle s_{ij}^{signed}=0.5+0.5cor(x_{i},x_{j})} 与无符号指标 s i j u n s i g n e d {\displaystyle s_{ij}^{unsigned}}