**Editor-in-Chief**

*Shair Ahmad*

University of Texas at San Antonio, USA

**Honorary Editors**

*Abbas Bahri*

Rutgers University, USA

*V. Benci*

Dipartimento di Matematica Applicata, "U.Dini" Universita degli studi di Pisa, Italy

*Donato Fortunato*

Dipartimento di Mathematica, Universit degli Studi di Bari

*J. Mawhin*

Institut Mathematique, Universite Catholique de Louvain Chemin, Belgium

*K. Schmitt*

Department of Mathematics, University of Utah, USA

**Editorial Board**

*A. Ambrosetti*

S.I.S.S.A, Classe di Matematica, Trieste, Italy

*D. Arcoya*

Departamento de Análisis Matemático, Universidad de Granada, Spain

*L. A. Caffarelli*

Department of Mathematics, University of Texas at Austin, Austin, Texas, USA

*S. Cingolani*

Dipartimento di Matematica, Università degli Studi di Bari Aldo Moro, Italy

*C. Cosner*

Department of Mathematics, University of Miami, Florida, USA

*E.N. Dancer*

School of Mathematics, University of Sydney, Australia

*Changfeng Gui*

Department of Mathematics, Univ. of Texas at San Antonio, Texas, USA

*Yiming Long*

Chern Institute of Mathematicssankai, Nankai University, P.R. China

*Guozhen Lu*

Department of Mathematics, University of Connecticut, Connecticut, USA

*J. Lopez-Gomez*

Departamento de Matematica Aplicada Universidad Complutense de Madrid, Spain

*K. Palmer*

Department of Mathematics, National Taiwan University, Taipei, Taiwan

*I. Peral*

Div. Matematica, Universidad Autonoma de Madrid Cantoblanco, Madrid, Spain

*A. Pratelli*

Department of Mathematics, University of Pisa, Italy

*Patrizia Pucci*

Dipartimento di Matematica e Informatica, Universita degli Studi di Perugia, Perugia, Italy

*P.H. Rabinowitz*

Department of Mathematics, University of Wisconsin-Madison, Wisconsin, USA

*D. Ruiz*

Departamento de Analisis Matematico, University of Granada, Granada, Spain

*S. Solimini*

Dipartimento Interuniversitario di Matematica Universita degli Studi Politecnico di Bari, Italy

*E. Valdinoci*

Dipartimento di Matematica, Universita degli Studi di Milano, Milano, Italy

*L. Veron*

Laboratoire de Mathematique et Physique Theorique, Faculte des Sciences et Technique, Tours, France

*G. Vidossich*

S.I.S.S.A., Classe di Matematica, Trieste, Italy

*Z-Q. Wang*

Department of Mathematics and Statistics, Utah State University, USA

*F. Zanolin*

Dipartimento di Matematica e Informatica, Universita di Udine, Italy