About the Authors

Andrei Khrennikov

Affiliation Department of Mathematics, Linnaeus University, Växjö, Sweden

Irina Basieva

Affiliation Department of Mathematics, Linnaeus University, Växjö, Sweden

Ehtibar N. Dzhafarov

ehtibar@purdue.edu

Affiliation Department of Psychological Sciences, Purdue University, West Lafayette, Indiana, United States of America

Jerome R. Busemeyer

Affiliation Department of Psychological and Brain Sciences, Indiana University, Bloomington, Indiana, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Wrote the paper: AK IB ED JB. Mathematical proofs: AK IB ED JB.