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A new National Science Foundation-funded study led by ecohydrologists at Indiana University has shown for the first time that it's possible to use satellite data to measure the threat o...
We prove that the completion of Outer Space with the Lipschitz metric is homeomorphic to the free splitting complex. We give a new proof of a theorem by Francaviglia and Martino [FMa] that the isometr...
Relative twisting in Outer space     twist  Outer space  Group Theory       2011/9/15
Abstract: Subsurface projection has become indispensable in studying the geometry of the mapping class group and the curve complex of a surface. When the subsurface is an annulus, this projection is s...
Water in Earth's critical zone; declining water resources in the U.S. west; "zebra stripes" in rock; dark energy under the sea-floor; undersea volcanic eruptions; Sumatra earthquake zone among topics....
January 10, 2007,If indeed “a diamond is forever,” the most primitive origins of Earth’s so-called black diamonds were in deep, universal time, geologists have discovered. Black diamonds came from non...

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