2 papers
math.CO2025
Equivalences and Distinctions in Lexicographic Shellability of Posets
Stephen Lacina, Grace Stadnyk
We present two perhaps surprisingly small posets, one graded and one non-graded, that are CC-shellable in the sense of Kozlov and TCL-shellable in the sense of Hersh, but not CL-sh…
math.CO2022
Generalized recursive atom ordering and equivalence to CL-shellability
Patricia Hersh, Grace Stadnyk
Björner and Wachs introduced CL-shellability as a technique for studying the topological structure of order complexes of partially ordered sets (posets). They also introduced the n…