**Author details**

Chuan-qiang Fan1 , Wei-he Xie<sup>2</sup> and Feng Liu<sup>3</sup> \*


\*Address all correspondence to: 77325344@qq.com

<sup>© 2020</sup> The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

*(α, β)Pythagorean Fuzzy Numbers Descriptor Systems DOI: http://dx.doi.org/10.5772/intechopen.95007*
