Pascal eigenspaces and invariant sequences of the first or second kind
نویسندگان
چکیده
منابع مشابه
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15 صفحه اولThe Tchebyshev Transforms of the First and Second Kind∗
An in-depth study of the Tchebyshev transforms of the first and second kind of a poset is taken. The Tchebyshev transform of the first kind is shown to preserve desirable combinatorial properties, including EL-shellability and nonnegativity of the cd-index. When restricted to Eulerian posets, it corresponds to the Billera, Ehrenborg and Readdy omega map of oriented matroids. The Tchebyshev tran...
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ژورنال
عنوان ژورنال: Linear Algebra and its Applications
سال: 2017
ISSN: 0024-3795
DOI: 10.1016/j.laa.2017.09.002