On the amplitude of dynamic topography at spherical harmonic degree two
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DOI: 10.1016/j.tecto.2017.11.032
Abstract: Abstract Two large, seismically slow regions in the lower mantle beneath Africa and the Pacific Ocean are sometimes referred to as “superplumes”. This name evokes images of large-scale active upwellings. However, it remains unclear whether… read more here.
Keywords: lower mantle; topography; amplitude dynamic; topography spherical ... See more keywords
Classification of degree two curves in the symmetric square with positive self-intersection
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DOI: 10.1515/advgeom-2017-0046
Abstract: Abstract We give a precise classification of the pairs (C, B͠) with C a smooth curve of genus g and B͠ ⊂ C(2) a curve of degree two and positive self-intersection. We prove that there… read more here.
Keywords: degree two; classification; self intersection; positive self ... See more keywords