Author: Lewis, Mark L.
- 
Costanzo, David G.; Lewis, Mark L.; Schmidt, Stefano; Tsegaye, Eyob; Udell, Gabe:
		Characterizing finite groups whose enhanced power graphs have universal vertices.
		
			(English).
Czechoslovak Mathematical Journal,
		vol. 74
			(2024),
			issue 2,
		pp. 637-645
 
- 
Chen, Xiaoyou; Lewis, Mark L.:
		Groups with only two nonlinear non-faithful irreducible characters.
		
			(English).
Czechoslovak Mathematical Journal,
		vol. 69
			(2019),
			issue 2,
		pp. 427-429
 
- 
Lewis, Mark L.; Liu, Yanjun; Tong-Viet, Hung P.:
		Groups satisfying the two-prime hypothesis with a composition factor isomorphic to PSL$_2(q)$ for $q\geq 7$.
		
			(English).
Czechoslovak Mathematical Journal,
		vol. 68
			(2018),
			issue 4,
		pp. 921-941
 
 
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