Published Special Issues [7 issues]

• New Trends in Geometric Function Theory 2011
  Guest Editors: Teodor Bulboacă, Nak Eun Cho, and Stanisława R. Kanas
• Advances in Commutative Rings: From Multiplicative Ideal Theory to Graphs and Factorizations
  Guest Editors: Ayman Badawi, David F. Anderson, Marco Fontana, and Siamak Yassemi
• BCK-Algebras and Related Algebraic Systems 2012
  Guest Editors: Young Bae Jun, Hee Sik Kim, Eun Hwan Roh, and Jianming Zhan
• Fixed-Point Theory, Variational Inequalities, and Its Approximation Algorithms
  Guest Editors: Giuseppe Marino, Vittorio Colao, Yonghong Yao, Genaro Lopez, and Enrique Llorens-Fuster
• Categorification in Representation Theory
  Guest Editors: Alistair Savage, Aaron Lauda, and Anthony Licata
• BCK-Algebras and Related Algebraic Systems (BARASs)
  Guest Editors: Young Bae Jun, Ivan Chajda, Hee Sik Kim, Eun Hwan Roh, Jianming Zhan, and Afrodita Iorgulescu
• New Trends in Geometric Function Theory
  Guest Editors: Teodor Bulboacă, Mohamed K. Aouf, Nak Eun Cho, Stanisława R. Kanas, and Milutin Obradovic