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Chordal :: codimCount

codimCount -- codimension counts of the chains of a chordal network

Synopsis

Description

This method classifies the number of chains of the network according to its codimension. The output is the generating function of such counts. For instance, if there are ten chains of codimension 4 and one chain of codimension 6 the output is t6+10t4.

i1 : I = adjacentMinorsIdeal(QQ,2,5);

o1 : Ideal of QQ[a, b, c, d, e, f, g, h, i, j]
i2 : N = chordalNet I;
i3 : chordalTria N;
i4 : codimCount N

       6      5     4
o4 = 5t  + 11t  + 5t

o4 : ZZ[t]

Caveat

See also

Ways to use codimCount :