Mathematical Problems in Engineering
Volume 2018 (2018), Article ID 1492768, 1 page
https://doi.org/10.1155/2018/1492768

Retraction

Retracted: An Improved SPEA2 Algorithm with Adaptive Selection of Evolutionary Operators Scheme for Multiobjective Optimization Problems

Mathematical Problems in Engineering

Received 8 April 2018; Accepted 8 April 2018; Published 5 June 2018

Copyright © 2018 Mathematical Problems in Engineering. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

At the request of the authors, the article titled “An Improved SPEA2 Algorithm with Adaptive Selection of Evolutionary Operators Scheme for Multiobjective Optimization Problems” [1] has been retracted. The article was published without the knowledge or approval of Zhen Chen who graduated from the School of Computer and Communication Technology, Lanzhou University of Technology and wrote this article.

References

F. Zhao, W. Lei, W. Ma, Y. Liu, and C. Zhang, “An improved SPEA2 algorithm with adaptive selection of evolutionary operators scheme for multiobjective optimization problems,” Mathematical Problems in Engineering, vol. 2016, Article ID 8010346, 20 pages, 2016.