necklaces
N. J. A. Sloane
njas at research.att.com
Thu Aug 13 05:26:03 CEST 1998
there has been a lot of correspondence here about
necklace enum,erations
maple's share library turns out to have a package for
this. here's an extract from ?share[contents]
polya
- - Author: Fiegelstock, Shalom <fiegel at bimacs.cs.biu.ac.il>.
- - Isomers, Groups and Combinatorics: A description and application of Polya's Theorem (from
Group theory) to the enumeration of benzene isomers and counting necklace patterns with
beads of different colours.
- - To load this package, type the following Maple commands in a Maple session (or cut and
paste them, if you are using an interface that permits it).
> with( share ):
> with( polya );
- - Help Links: share[polya] share[polya,polya_mws] with share share[index,author]
share[index,subject] share[index,alpha]
NJAS
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