3 problems

Let $\mathcal{C}$ be the pre-additive $\mathbf{k}$-linear strict monoidal category generated by the unit object $\mathbf{1}$ and an object $X$ satisfying … and let…

For $k\geq 1$, let $L_k$ be the quotient algebra identified in the paper with the tensor power $L(1,3)^{\otimes k}$ of the Leavitt algebra. Let $K_0(L_k)$ and $K_1(L_k)$ denote its…

Let $n$ be the parameter in the relation … In the constructed additive monoidal Karoubi closed category, let $K_0$ denote its Grothendieck ring. Grothendieck-ring conjecture. The G…