1995
Counting interlacing pairs on the circle
Publication
Publication
Let be the number of interlacing chords joining points on the circle. Let . Then . This formula was conjectured by J. Betramas. The number is also the number of interlacing involutions of points on the real line.
| Additional Metadata | |
|---|---|
| Permutations, words, matrices (msc 05A05), Exact enumeration problems, generating functions (msc 05A15) | |
| CWI | |
| Department of Analysis, Algebra and Geometry [AM] | |
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Hazewinkel, M, & Kalashnikov, V.V. (1995). Counting interlacing pairs on the circle. Department of Analysis, Algebra and Geometry [AM]. CWI.
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