structure 测验

His narrator starkly conjures up the deadly class structure there, including “the pigs — the janitoriat of administrators and guards”; the urkas, “socially friendly elements” who did no work; “the snakes,” otherwise known as informants; and the “politicals,” or so-called fascists, like himself and his brother, who are regarded as “the enemies of the people.”

Under suitable assumptions (most notably the quadraticity of Cheeger's energy relative to the metric measure structure) both approaches are shown to be equivalent to the strong CD*(K,N) condition of Bacher-Sturm.