Analytical expressions for the addition of fuzzy intervals

On the compatibility between defuzzification and fuzzy arithmetic operations

Fuzzy Sets and Systems

Granular computing in neural networks

Granular computing

Verbally generated fuzzy quantities and their aggregation

Aggregation operators

Fuzzy arithmetic based on boundary weak t-norms

International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems

Real vector space of LR-fuzzy intervals with respect to the shape-preserving t-norm-based addition

Fuzzy Sets and Systems

A t-norm embedding theorem for fuzzy sets

Fuzzy Sets and Systems