DeMorgan systems on the unit interval. - Mai Gehrke; Carol L. Walker; Elbert A. Walker (Int. J. Intell. Syst., 1996)

Some comments on interval valued fuzzy sets. - Mai Gehrke; Carol L. Walker; Elbert A. Walker (Int. J. Intell. Syst., 1996)

A Mathematical Setting for Fuzzy Logics. - Mai Gehrke; Carol L. Walker; Elbert A. Walker (Int. J. Uncertain. Fuzziness Knowl. Based Syst., 1997)

A note on negations and nilpotent t-norms. - Mai Gehrke; Carol L. Walker; Elbert A. Walker (Int. J. Approx. Reason., 1999)

Averaging operators on the unit interval. - Mai Gehrke; Carol L. Walker; Elbert A. Walker (Int. J. Intell. Syst., 1999)

Some comments on fuzzy normal forms. - Mai Gehrke; Carol L. Walker; Elbert A. Walker (FUZZ-IEEE, 2000)

Inequalities in De Morgan systems. I. - Carol L. Walker; Elbert A. Walker (FUZZ-IEEE, 2002)

Inequalities in De Morgan systems. II. - Carol L. Walker; Elbert A. Walker (FUZZ-IEEE, 2002)

Powers of t-norms. - Carol L. Walker; Elbert A. Walker (Fuzzy Sets Syst., 2002)

Normal forms and truth tables for fuzzy logics. - Mai Gehrke; Carol L. Walker; Elbert A. Walker (Fuzzy Sets Syst., 2003)

Varieties generated by T-norms. - Mai Gehrke; Carol L. Walker; Elbert A. Walker (Soft Comput., 2004)

Categories of fuzzy sets. - Carol L. Walker (Soft Comput., 2004)

Some Comments on LexiT Orderings for Strict t-norms. - Carol L. Walker; Elbert A. Walker; Ronald R. Yager (FUZZ-IEEE, 2005)

The algebra of fuzzy truth values. - Carol L. Walker; Elbert A. Walker (Fuzzy Sets Syst., 2005)

Generalizing Leximin to t-norms and t-conorms: the LexiT and LexiS orderings. - Ronald R. Yager; Carol L. Walker; Elbert A. Walker (Fuzzy Sets Syst., 2005)

T-Norms for Type-2 Fuzzy Sets. - Carol L. Walker; Elbert A. Walker (FUZZ-IEEE, 2006)

Automorphisms of Powers of Linearly Ordered Sets. - Carol L. Walker; Elbert A. Walker (Int. J. Uncertain. Fuzziness Knowl. Based Syst., 2006)

Automorphisms of the Algebra of Fuzzy Truth Values. - Carol L. Walker; Elbert A. Walker (Int. J. Uncertain. Fuzziness Knowl. Based Syst., 2006)

On Complete Sublattices of the Algebra of Truth Values of Type-2 Fuzzy Sets. - John Harding; Carol L. Walker; Elbert A. Walker (FUZZ-IEEE, 2007)

Points with Type-2 Operations. - Carol L. Walker; Elbert A. Walker (IFSA (1), 2007)

Some comments on level sets of fuzzy sets. - Carol L. Walker; Elbert A. Walker; Ronald R. Yager (FUZZ-IEEE, 2008)

Lattices of convex normal functions. - John Harding; Carol L. Walker; Elbert A. Walker (Fuzzy Sets Syst., 2008)

Automorphisms of the Algebra of Fuzzy Truth Values II. - Carol L. Walker; Elbert A. Walker (Int. J. Uncertain. Fuzziness Knowl. Based Syst., 2008)

The Algebra of Truth Values of Type-2 Fuzzy Sets: A Survey. - Carol L. Walker; Elbert A. Walker (Interval / Probabilistic Uncertainty and Non-Classical Logics, 2008)

Generating Minimum Dispersion Densities from an Interval-Valued Fuzzy Set. - Carol L. Walker; Elbert A. Walker; Ronald R. Yager (IFSA/EUSFLAT Conf., 2009)

Sets with type-2 operations. - Carol L. Walker; Elbert A. Walker (Int. J. Approx. Reason., 2009)

Some general comments on fuzzy sets of type-2. - Carol L. Walker; Elbert A. Walker (Int. J. Intell. Syst., 2009)

The variety generated by the truth value algebra of type-2 fuzzy sets. - John Harding; Carol L. Walker; Elbert A. Walker (Fuzzy Sets Syst., 2010)

Convex normal functions revisited. - John Harding; Carol L. Walker; Elbert A. Walker (Fuzzy Sets Syst., 2010)

A Family of Finite de Morgan and Kleene Algebras. - Carol L. Walker; Elbert A. Walker (Int. J. Uncertain. Fuzziness Knowl. Based Syst., 2012)

Some Algebraic Aspects of Fuzzy Set Theory. - Carol L. Walker; Elbert A. Walker (On Fuzziness (2), 2013)

Partial orders on the truth value algebra of finite type-2 fuzzy sets. - John Harding; Carol L. Walker; Elbert A. Walker (IFSA/NAFIPS, 2013)

Type-2 Fuzzy Sets and Bichains. - John Harding; Carol L. Walker; Elbert A. Walker (Advances in Type-2 Fuzzy Sets and Systems, 2013)

Categories with fuzzy sets and relations. - John Harding; Carol L. Walker; Elbert A. Walker (Fuzzy Sets Syst., 2014)

Type-2 operations on finite chains. - Carol L. Walker; Elbert A. Walker (Fuzzy Sets Syst., 2014)

Partial Orders on Fuzzy Truth Value Algebras. - John Harding; Carol L. Walker; Elbert A. Walker (Int. J. Uncertain. Fuzziness Knowl. Based Syst., 2015)

Equations in Type-2 Fuzzy Sets. - John Harding; Carol L. Walker; Elbert A. Walker (Int. J. Uncertain. Fuzziness Knowl. Based Syst., 2015)

Overview of Lattices of Convex Normal Functions. - John Harding; Carol L. Walker; Elbert A. Walker (Int. J. Intell. Syst., 2016)