John K. Mcvey

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math.GR2017

Errata to: A New Graph over Semi-Direct Products of Groups

John K. McVey

The goal of the paper "A new graph over semi-direct products of groups" is to define a graph Γ(G) on a group G when G splits over a normal subgroup. We demonstrate herein that the…

math.GR2014

Using a Galois connection to compute character degrees

Mark L. Lewis, John K. McVey

Given a Mersenne prime $q$ and a positive even integer $e$ , let $F$ and $E$ be the fields of orders $q$ and $q^{e}$ respectively. Let $C$ be a cyclic subgroup of $E^{\times}$ whose ind…