The kernel decomposition conjecture for braided Wick operators

Let H\mathcal{H} be the Hilbert space underlying a Wick algebra, let TT be a braided operator on H2\mathcal{H}^{\mathcal{\otimes}2}, and let RmR_m denote the corresponding Wick symmetrizer on Hm\mathcal{H}^{\mathcal{\otimes}m}. Write TiT_i for the copy of TT acting in tensor positions ii and i+1i+1, and let H0\mathcal{H}^{\mathcal{\otimes}0} be the scalar space. Kernel decomposition conjecture. If TT is braided, then

kerRn+1=(1H(n+1)T1T2Tn)(kerRnH)+kerRn2kerR2.\ker R_{n+1}=(\mathbf{1}_{\mathcal{H}^{\otimes( n+1)}}-T_1T_2\cdots T_n)(\ker R_n\otimes\mathcal{H})+\ker R_{n-2}\otimes\ker R_2.

The conjecture would give a recursive description of the kernels of the Wick symmetrizers and hence of homogeneous Wick ideals. The source reports that direct Mathematica calculations support it for several examples, including Wick versions of the CCR, twisted CCR, twisted CAR, and quonic commutation relations; it is presented as unproved in the supplied text.

Sources & referencesView supporting material

Primary source

Vasyl Ostrovskyi, Danil Proskurin, Yurii Savchuk and Lyudmila Turowska, “On structure of homogenenous Wick ideals in Wick *-algebras with braided coefficients”, arXiv:1102.1149 (2011).

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