3 problems

The table records cohomological dimensions for Alexander quandles with coefficients in finite rings, and let $A={\bf Z}$ denote the integers. Integral-dimension conjecture. The dim…

Rank-two conjecture. The group $H^2_{\rm TQ}(A;A)$ has rank at least two.

Delayed-Fibonacci torsion conjecture. The torsion subgroup of $\operatorname{H}^{\rm Q}_n(X)$ is isomorphic to $\mathbb{Z}_4^{f_n}\oplus\mathbb{Z}_2^{f'_n}$. The displayed low-degr…