BIOGRAPHIES:

Behzad Djafari Rouhani received his PhD degree from Yale University in 1981, under the direction of the late Professor Shizuo Kakutani. He is currently a Professor of Mathematics at the University of Texas at El Paso, USA.

Hadi Khatibzadeh received his PhD degree form Tarbiat Modares University in 2007, under the direction of the first author. He is currently an Associate Professor of Mathematics at University of Zanjan, Iran.

They both work in the field of Nonlinear Analysis and its Applications, and they each have over 50 refereed publications.

Narcisa Apreutesei