Notes on "Fuzzy plane geometry I, II". - Xue-Hai Yuan; Zhengwei Shen (Fuzzy Sets Syst., 2001)

Categories of fuzzy sets and weak topos. - Xue-Hai Yuan; Hongxing Li 004; E. Stanley Lee (Fuzzy Sets Syst., 2002)

Generalized fuzzy groups and many-valued implications. - Xue-Hai Yuan; Cheng Zhang; Yonghong Ren (Fuzzy Sets Syst., 2003)

Convex fuzzy mapping and operations of convex fuzzy mappings. - Cheng Zhang; Xue-Hai Yuan; E. Stanley Lee (Comput. Math. Appl., 2006)

A Method of Intuitionistic Fuzzy Reasoning Based on Inclusion Degree and Similarity Measure. - Lin Lin; Xue-Hai Yuan (ICFIE, 2007)

Multicriteria fuzzy decision-making methods based on intuitionistic fuzzy sets. - Lin Lin; Xue-Hai Yuan; Zun-Quan Xia (J. Comput. Syst. Sci., 2007)

The Theoretical Methods of Constructing Fuzzy Inference Relations. - Xiao-Ning Wang; Xue-Hai Yuan; Hongxing Li 004 (ACFIE, 2008)

The Category RSC of I-Rough Sets. - Xiao-Shen Li; Xue-Hai Yuan (FSKD (1), 2008)

On the Definition of the Fuzzy Sublattice. - Jia-qi Yang; Ying Han; Xue-Hai Yuan (FSKD (1), 2008)

Fuzzy Probabilistic Sets and r-Fuzzy Sets. - Xue-Hai Yuan; Hongxing Li 004; Cheng Zhang (FSKD (1), 2008)

The set-valued mapping based on ample fields. - Xue-Hai Yuan; Hongxing Li 004; Cheng Zhang (Comput. Math. Appl., 2008)

Y-N Sets and the Category of Y-N Sets. - Xiao-Shen Li; Xue-Hai Yuan (FSKD (6), 2009)

The Satisfaction Degree of the Fuzzy Numbers and Ranking of the Fuzzy Numbers. - Yi-ying Shi; Xue-Hai Yuan (FSKD (6), 2009)

Cut Sets on Interval-Valued Intuitionistic Fuzzy Sets. - Xue-Hai Yuan; Hongxing Li 004 (FSKD (6), 2009)

Generalized fuzzy equivalent relations. - Xue-Hai Yuan; Hongxing Li 004 (GrC, 2009)

Theory Based on Interval-Valued Level Cut Sets of Zadeh Fuzzy Sets. - Xue-Hai Yuan; Hongxing Li 004; Kaibiao Sun (ICFIE, 2009)

The three-dimensional fuzzy sets and their cut sets. - Xiao-Shen Li; Xue-Hai Yuan; E. Stanley Lee (Comput. Math. Appl., 2009)

Comments on "Notes on triple I method of fuzzy reasoning". - Xue-Hai Yuan; E. Stanley Lee (Comput. Math. Appl., 2009)

Three new cut sets of fuzzy sets and new theories of fuzzy sets. - Xue-Hai Yuan; Hongxing Li 004; E. Stanley Lee (Comput. Math. Appl., 2009)

Categories of the 4-valued inverse order nested sets. - Ke-quan Gao; Xiao-Shen Li; Xue-Hai Yuan (FSKD, 2010)

Center of gravity fuzzy system based on regular fuzzy implication and it's probability representation. - Hai-gang Guo; Xue-Hai Yuan; Hongxing Li 004 (FSKD, 2010)

The n-dimensional fuzzy sets and Zadeh fuzzy sets based on the finite valued fuzzy sets. - You-guang Shang; Xue-Hai Yuan; E. Stanley Lee (Comput. Math. Appl., 2010)

On the definition of the intuitionistic fuzzy subgroups. - Xue-Hai Yuan; Hongxing Li 004; E. Stanley Lee (Comput. Math. Appl., 2010)

The intuitionistic fuzzy subrings and fuzzy ideals. - Bin Yu; Xue-Hai Yuan (FSKD, 2011)

Center-of-gravity fuzzy systems based on normal fuzzy implications. - Xue-Hai Yuan; Zeng-liang Liu; E. Stanley Lee (Comput. Math. Appl., 2011)

The theory of intuitionistic fuzzy sets based on the intuitionistic fuzzy special sets. - Xue-Hai Yuan; Hongxing Li 004; Cheng Zhang (Inf. Sci., 2014)

Double-input single-output fuzzy systems based on non-singleton fuzzifiers. - Hua-feng Gu; Xue-Hai Yuan (FSKD, 2015)