Cyclic sieving conjecture for affine bicolor dichotomy patterns

Let kk be a positive integer, let GN=Aff(Z2k)G_N=\operatorname{Aff}(\mathbb{Z}_{2k}), and let {Gi}\{G_i\} be representatives of the orbits of the conjugation action, ordered so that GNG1|G_N|\geq\cdots\geq|G_1|. Let B=(bi,j)B=(b_{i,j}) be the inverse of the table of marks, and let PjP_j denote the relevant pattern inventory polynomials. For each subgroup GiG_i, define

Qi=j=1Nbi,jPj(1+x,1+x2,,1+xD).Q_i=\sum_{j=1}^{N}b_{i,j}P_j(1+x,1+x^2,\ldots,1+x^{|D|}).

Cyclic sieving conjecture. If kk is equal to 11, 22, or a power of an odd prime, then Qi(1)|Q_i(-1)| counts the number of self-complementary dichotomies with automorphism group GiG_i. In particular, Q1(1)|Q_1(-1)| counts the number of strong dichotomies.

The conjecture proposes that White's pattern inventory polynomials exhibit the cyclic sieving behavior known for the classical Pólya–Redfield polynomials in precisely the cases suggested by the cyclicity of the relevant unit group. Its status is unresolved in the supplied source.

Sources & referencesView supporting material

Primary source

Octavio A. Agustín-Aquino, “Enumeration of strong dichotomy patterns”, arXiv:1406.3415 (2018).

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