Piskin, Erhan2024-04-242024-04-2420191304-72051304-7191https://hdl.handle.net/11468/20592In this paper, we consider a class of nonlinear higher-order wave equation with variable exponents u(tt) + (-Delta)(m)u +vertical bar u(t)vertical bar(p(x)-2)u(t) = vertical bar u vertical bar(q(x)-2)u in a bounded domain Omega subset of R-n. We prove a finite time blow up result for the solutions with negative initial energy. This improves earlier results in the literature [18].eninfo:eu-repo/semantics/closedAccessBlow UpHigher-Order Wave EquationVariable ExponentArticle102149156WOS:0005227592000042-s2.0-85100448838Q3N/A