Yayınlanmış 1 Ocak 2022
| Sürüm v1
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Açık
ROOTED ORDER ON MINIMAL GENERATORS OF POWERS OF SOME COVER IDEALS
Açıklama
We define a total order, which we call rooted order, on minimal generating set of J(p(n))(s) where J(P-n)is the cover ideal of a path graph on n vertices. We show that each power of a cover ideal of a path has linear quotients with respect to the rooted order. Along the way, we characterize minimal generating set of J(P-n)(s) for s >= 3 in terms of minimal generating set of J(P-n)(2). We also discuss the extension of the concept of rooted order to chordal graphs. Computational examples suggest that such order gives linear quotients for powers of cover ideals of chordal graphs as well.
Dosyalar
bib-1b10c0c7-c60b-4999-bd9f-c38565869cdc.txt
Dosyalar
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