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A CONVEX-EAR DECOMPOSITION FOR RANK-SELECTED SUBPOSETS OF SUPERSOLVABLE LATTICES.
- Source :
-
SIAM Journal on Discrete Mathematics . 2009, Vol. 23 Issue 2, p1009-1022. 14p. 1 Illustration, 2 Diagrams. - Publication Year :
- 2009
-
Abstract
- Let L be a supersolvable lattice with nonzero Möbius function. We show that the order complex of any rank-selected subposet of L admits a convex-ear decomposition. This proves many new inequalities for the h-vectors of such complexes, and shows that their g-vectors are Mvectors. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 08954801
- Volume :
- 23
- Issue :
- 2
- Database :
- Academic Search Index
- Journal :
- SIAM Journal on Discrete Mathematics
- Publication Type :
- Academic Journal
- Accession number :
- 43589539
- Full Text :
- https://doi.org/10.1137/070709840