A domain of influence in the Moore–Gibson–Thompson theory of dipolar bodies

[1 ]Department of Mathematics and Computer Science, Transilvania University of Brasov, Brasov, Romania

[2 ]Department of Mathematics, Faculty of Science, Zagazig University, Zagazig, Egypt

[3 ]Mathematics Department, Faculty of Science, Taibah University, Al-Madinah Al-Munawarah, Saudi Arabia

[4 ]Department of Air Surveillance and Defense, “Henry Coanda” Air Force Academy, Brasov, Romania