Semi-inverted linear spaces and an analogue of the broken circuit complex
نویسندگان
چکیده
منابع مشابه
on the effect of linear & non-linear texts on students comprehension and recalling
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15 صفحه اولThe Broken - Circuit Complex 1 by Tom
The broken-circuit complex introduced by H. Wilf (Which polynomials are chromatic!, Proc. Colloq. Combinational Theory (Rome, 1973)) of a matroid G is shown to be a cone over a related complex, the reduced broken-circuit complex Q'(G). The topological structure of Q'(G) is studied, its Euler characteristic is computed, and joins and skeletons are shown to exist in the class of all such complexe...
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15 صفحه اولThe Broken-circuit Complex: Its Structure and Factorizations
The fundamental importance of the characteristic polynomial X(G) of a combinatorial geometry G is well known. In [3,4], the authors used the broken-circuit complex as a tool to prove most of the known identities for x(G) and several new ones. The proofs of these identities relied on the fact that the coefficients of X(G) are the simplex numbers of the broken-circuit complex. This complex was in...
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ژورنال
عنوان ژورنال: Algebraic Combinatorics
سال: 2019
ISSN: 2589-5486
DOI: 10.5802/alco.65