In this I mean other profound scholars that have defined hegemony as having the ability to represent those being dominated in a particular regime of representation.
Also Bourdieu's symbolic violence is pretty much the same.
And Gayatri Spivak's "Can the Subaltern speak", also treats the same subject - the powerful classes ability to force its signs onto the dominated classes.
van dijk's dichotomous categorization of '' positive self presentation and negative other presentation and concepts self glorification , US vs THEM, are relevant to your study
moreover, my articles on Critical Discourse Analysis , Power specially '' Euphemization and Derogation shared on researchgate can provide you with theoretical and aspects of the phenomenon of hegemony.