Yong Yang

activity

20112022

collaborators

17 papers

math.GR2022

Classifying Solvable Primitive Permutation Groups of Low Rank

Mallory Dolorfino, Luke Martin, Zachary Slonim +2

Suppose that $G$ is a finite, transitive, solvable permutation group acting on a set $S$ with $n$ elements. Let $G_{0}$ be the stabilizer of a point $α \in Ω$ . Define the rank of a pe…

math.GR2022

A classification of prime graphs of pseudo-solvable groups

Ziyu Huang, Thomas Michael Keller, Shane Kissinger +3

The prime graph $Γ (G)$ of a finite group $G$ (also known as the Gruenberg-Kegel graph) has as its vertices the prime divisors of $∣ G ∣$ , and $p - q$ is an edge in $Γ (G)$ if and o…

math.GR2021

Codegrees of primitive characters of solvable groups

Ping Jin, Lei Wang, Yong Yang

We obtain the codegree of a certain primitive character for a finite solvable group, and thereby give a negative answer to a question proposed by Moretó in \cite{Moreto}.

math.GR2021

Two results on character codegrees

Yang Liu, Yong Yang

Let $G$ be a finite group and $Irr (G)$ be the set of irreducible characters of $G$ . The codegree of an irreducible character $χ$ of the group $G$ is defined as $\mathrm{co…

math.GR2020

A lower bound for the number of odd-degree representations of a finite group

Nguyen Ngoc Hung, Thomas Michael Keller, Yong Yang

Let $G$ be a finite group and $P$ a Sylow $2$ -subgroup of $G$ . We obtain both asymptotic and explicit bounds for the number of odd-degree irreducible complex representations of $G$ …

math.RT2020

On deformations of metric Lie superalgebras

Yong Yang

In this paper we study metric deformations of indecomposable metric Lie superalgebras with dimensions less or equal to 6. We consider formal deformations obtained by even cocycles,…