2 problems

Let $n$ be an integer with $n\geq 3$, and let $R$ and $S$ be isomorphic filtered $\lambda$-ring structures on … Let $\sigma:R\xrightarrow{\cong}S$ be an isomorphism. A filtered…

Let $n$ be an integer with $n\geq 3$, and let … be a family of nonzero integers. A filtered $\lambda$-ring structure on $\mathbf{Z}[x]/(x^n)$ has prescribed Adams linear coefficien…