2 problems

Let $\Lambda=KQ/I$ be a TSP4 algebra with biregular Gabriel quiver $Q$. A vertex of $Q$ is a 1-vertex if it has the corresponding local configuration in the Gabriel quiver; the pre…

Ramification least-common-multiple conjecture. The least common multiple of the orders of $\sigma_r$ and $\sigma_s$ should have significant meaning in modular representation theory…