2 papers
math.RT2026
On the -rationality of Deligne--Lusztig characters
Nguyen N. Hung
Among finite simple groups, character values of alternating and sporadic groups have relatively low irrationality at any prime , whereas those of simple groups of Lie type can h…
math.RT2025
Problems on the conductor of finite group characters
Nguyen N. Hung
This paper reviews recent results and open problems on the conductor of finite group characters, highlighting their connections to one another and to broader topics in the represen…