Global Solutions and Blow-Up for the Wave Equation with Variable Coefficients: I. Interior Supercritical Source

Research output: Contribution to journalJournal articlepeer-review

Abstract

In this paper, we consider the variable coefficient wave equation with damping and supercritical source terms. The goal of this work is devoted to prove the local and global existence, and classify decay rate of energy depending on the growth near zero on the damping term. Moreover, we prove the blow-up of the weak solution with positive initial energy as well as nonpositive initial energy.

Original languageEnglish
Pages (from-to)767-803
Number of pages37
JournalApplied Mathematics and Optimization
Volume84
DOIs
StatePublished - 2021.12

Keywords

  • Blow-up
  • Energy decay rates
  • Existence of solutions
  • supercritical source
  • Wave equation with variable coefficients

Quacquarelli Symonds(QS) Subject Topics

  • Mathematics

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