The chord-diagram summation identity for Dodgson polynomials
Let D0∈D0nD_0\in \mathcal{D}^n_0D0∈D0n with n∈Nℓn\in \mathbb{N}^{\ell}n∈Nℓ and N=∑niN=\sum n_iN=∑ni. For the chord diagrams DDD in DNn\mathcal{D}^n_NDNn, let s(D)s(D)s(D) be the number of chords and let ED0E_D^0ED0 den…