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Fermi coordinates, simultaneity, and expanding space in Robertson-Walker cosmologies
Fermi coordinates simultaneity
2011/1/13
Explicit Fermi coordinates are given for geodesic observers comoving with the Hubble flow in expanding Robertson-Walker spacetimes, along with exact expressions for the metric tensors in Fermi coordin...
High impact weather and cyclones simultaneity in Catalonia
High impact weather and cyclones Catalonia
2010/1/27
The Western Mediterranean in general and Catalonia in particular are usually affected by high impact weather (HIW) events, mainly heavy rain (HR) and strong wind (SW). The improvement in the understan...