Elon Musk Steps Up Efforts to Cull Federal Work Force Mr. Musk said federal workers must summarize their accomplishments for the week or be forced to leave, borrowing a tactic he used at his ...

is a weight measure on [c, d], where δc and δd denote the Dirac deltas at c and d, and λ [ c, d] is Lebesgue measure on [c, d]. It follows that [c, d] is the total mass of this measure, which is ...