I have been appointed as a guest editor of a special issue of the journal Mathematics (Q1). The title of the special issue is Mathematical methods for wave phenomena, and we hope that this special issue can bring us a good update of the research in this area. It is a great honor for me to be selected by the journal to serve as guest editor, and I hope that the special issue will be a success! The deadline for submitting your paper is May 23, 2025, if you have any question please don’t hesitate to ask me.