Tag Archives: CD-index

Euler’s Formula, Fibonacci, the Bayer-Billera Theorem, and Fine’s CD-index

  Bill Gessley proving Euler’s formula (at UMKC)   In the earlier post about Billerafest I mentioned the theorem of Bayer and Billera on flag numbers of polytopes. Let me say a little more about it. 1. Euler Euler’s theorem … Continue reading

Posted in Combinatorics, Convex polytopes | Tagged , , | 3 Comments