Acknowledgment

Excerpt

The managing editors and Springer Nature wish to express their warmest thanks to Professor Cunsheng Ding. Thank you, Cunsheng, for your long service in the editorial board and managing board of Applicable Algebra in Engineering, Communication and Computing, and all the friendly and invaluable communications we have had with you over many years, and all the excellent work you have done for the journal. We look forward to being in touch in other contexts and value your continued friendship. …