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the death from breast cancer of Professor Maryam Mirzakhani, aged 40, an Iranian-born mathematician who was the first woman to win the coveted Fields Medal.  We stumbled across her paper “Ergodic Theory of the Earthquake Flow” from 2008. An ergodic process is one whose statistical properties can be deduced from a single, sufficiently long, random sample of the process. The term had not been applied to earthquakes – or volcanic eruptions or tsunamis, for that matter. The Persian below may be translated as “it rains in our hearts”

در دل ما باران می آید