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- W4287714287 abstract "We give a simple combinatorial description of an $(n-2k+2)$-chromatic edge-critical subgraph of the Schrijver graph $mathrm{SG}(n,k)$, itself an induced vertex-critical subgraph of the Kneser graph $mathrm{KG}(n,k)$. This extends the main result of [J. Combin. Theory Ser. B 144 (2020) 191--196] to all values of $k$, and sharpens the classical results of Lov'asz and Schrijver from the 1970s." @default.
- W4287714287 created "2022-07-26" @default.
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- W4287714287 date "2020-07-17" @default.
- W4287714287 modified "2023-09-29" @default.
- W4287714287 title "Edge-critical subgraphs of Schrijver graphs II: The general case" @default.
- W4287714287 doi "https://doi.org/10.48550/arxiv.2007.09204" @default.
- W4287714287 hasPublicationYear "2020" @default.
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