Other types of aggregation and additional properties

In this concluding chapter we will give a brief overview of several types of aggregation functions which have not been mentioned so far, as well as pointers to selected literature. There are many specific types of aggregation functions developed in the recent years, and it is outside the scope of this book to have their exhaustive overview. We also briefly summarize some mathematical properties of aggregation functions not mentioned in Chapter 1. Some of the recent developments are covered in two new monographs on the topic [114, 237]