When Heather Povinelli was in teacher training while in college, there was a moment she believed her dwarfism would thwart her dream of becoming a teacher — a kindergartner grabbed her on the ...

Why a simple sentence can reveal hidden gaps in classrooms, and how a grassroots teacher movement is using the science of learning to give every child a fair chance. As both a school leader and now ...

Abstract: Signal processing on directed graphs (digraphs) is problematic, since the graph shift, and thus associated filters, are in general not diagonalizable. Furthermore, the Fourier transform in ...

Abstract: Many of the algorithms that have been proposed in the field of distributed computation rely on assumptions that require nodes to be aware of some global parameters. In this paper, we propose ...

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