问题 Failure to find com.lowagie:iTextAsian:pom:1.0.0 in http://maven.aliyun.com/nexus/content/repositories/central/ was cached in the local repository, resolution will not be reattempted until the update interval of alimaven has elapsed or updates are for…
有时构建工程,会出现下面这种格式的报错
Could not transfer artifact com.alibaba.cloud:aliyun-spring-boot-dependencies:pom:1.0.0 from/to central (https://repo.maven.apache.org/maven2): Connect to repo.maven.apache.org:443 [repo.maven.apache.org/15…
测度的绝对连续性(Absolute continuity of measures)
定义. 假设 B \mathcal{B} B 是定义于 X X X 的子集上的一个 σ \sigma σ-代数, μ , ν \mu, \nu μ,ν 是 B \mathcal{B} B 上的两个测度, 如果对于任意满足 μ ( A …