Integrable systems with BMS3 Poisson structure and the dynamics of locally flat spacetimes
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DOI: 10.1007/jhep01(2018)148
Abstract: A bstractWe construct a hierarchy of integrable systems whose Poisson structure corresponds to the BMS3 algebra, and then discuss its description in terms of the Riemannian geometry of locally flat spacetimes in three dimensions.The analysis… read more here.
Keywords: integrable systems; systems bms3; poisson structure; locally flat ... See more keywords
Counting Locally Flat-Foldable Origami Configurations Via 3-Coloring Graphs
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DOI: 10.1007/s00373-020-02240-2
Abstract: Origami, where two-dimensional sheets are folded into complex structures, is rich with combinatorial and geometric structure, most of which remains to be fully understood. In this paper we consider flat origami, where the sheet of… read more here.
Keywords: foldable origami; locally valid; flat foldable; valid assignments ... See more keywords