Existence and Nonexistence of Extremals for Trudinger–Moser Inequalities with \(L^{p}\)-Type Perturbation on any Bounded Planar Domains
Abstract. In this paper, we investigate the perturbed Trudinger–Moser inequalities as follows: [Formula: see text] where [Formula: see text] and [Formula: see text] is a bounded domain in [Formula: see text]. Our results demonstrate that there exists a threshold [Formula: see text] such that [Formula: see text] is att...