Cutting polytopes and flag f-vectors

R. Ehrenborg, D. Johnston, R. Rajagopalan, M. Readdy

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


We show how the flag f-vector of a polytope changes when cutting off any face, generalizing work of Lee for simple polytopes. The result is in terms of explicit linear operators on cd-polynomials. Also, we obtain the change in the flag f-vector when contracting any face of the polytope.

Original languageEnglish
Pages (from-to)261-271
Number of pages11
JournalDiscrete and Computational Geometry
Issue number2
StatePublished - Mar 2000

ASJC Scopus subject areas

  • Theoretical Computer Science
  • Geometry and Topology
  • Discrete Mathematics and Combinatorics
  • Computational Theory and Mathematics


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