Interval-Valued Pythagorean Hesitant Fuzzy Set and Its Application to Multiattribute Group Decision-Making

by Maoyin Zhang, Tingting Zheng, Wanrong Zheng, Ligang Zhou
Published 2020-01-01

A New Uncertainty Measure of Covering-Based Rough Interval-Valued Intuitionistic Fuzzy Sets

by Tingting Zheng, Maoyin Zhang, Wanrong Zheng, Ligang Zhou
Published 2019-01-01