Comments on “Supersolvable frame-matroid and graphic-lift lattices” by T. Zaslavsky [European Journal of Combinatorics 22 (2001) 119]

To characterize supersolvable frame matroids, Zaslavsky, in his 2001 paper “Supersolvable frame-matroid and graphic-lift lattices”, utilizes a classification of their modular copoints. Unfortunately, one type of modular copoint is missing in the classification. We correct the modular copoint theorem...

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Bibliographic Details
Published inEuropean journal of combinatorics Vol. 25; no. 1; pp. 141 - 144
Main Author Koban, Lori
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 2004
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ISSN0195-6698
1095-9971
DOI10.1016/S0195-6698(03)00122-7

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Summary:To characterize supersolvable frame matroids, Zaslavsky, in his 2001 paper “Supersolvable frame-matroid and graphic-lift lattices”, utilizes a classification of their modular copoints. Unfortunately, one type of modular copoint is missing in the classification. We correct the modular copoint theorem and show that the supersolvability theorem is not affected, while giving a simpler proof.
ISSN:0195-6698
1095-9971
DOI:10.1016/S0195-6698(03)00122-7