# Rendiconti dell'Istituto di Matematica dell'Università di Trieste: an International Journal of Mathematics vol.40 (2008)

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**CONTENTS**

*Bruno Canuto and Diego Rial *Local Overdetermined Linear Elliptic Problems in Lipschitz Domains with Solutions Changing Sign

*Mohammed Ali Toumi *Exponents in R of Elements in a Uniformly Complete Φ-Algebra

*Edoardo Ballico *Rank 2 Totally Arithmetically Cohen-Macaulay Vector Bundles on an Abelian Surface with $Num(X) \cong \mathbb Z$

*Luca Bortolussi and Andrea Sgarro *A Criterion for the Stochasticity of Matrices with Specified Order Relations

*Rachid Benabidallah, Linda Taleb and Hisao Fujita Yashima *Sur le potentiel de pression-gravitation pour le mouvement d’un gaz á transformation adiabatique

*Abdelmalek Azizi and Mohammed Taous *Déterminations des corps K = ℚ(√d, √-1) dont les 2-groupes de classes sont de type (2, 4) ou (2, 2, 2)

*Mehmet Tekkoyun *Lifts of Structures on Product Manifolds

*Adnène Ben Abdesselem and Pascal Cherrier *Almost PSH Functions on Calabi’s Bundles

*Alessandro Verra *Problemi di razionalità e unirazionalità da Ugo Morin ai giorni nostri

*Edith M. Vera Sereno and Rigoberto Vera Mendoza *A Nonstandard Proof of the Banach-Steinhaus Theorem

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** Editorial policy**
The journal *Rendiconti dell’Istituto di Matematica dell’università di Trieste * publishes original articles in all areas of mathematics. Special regard is given to research papers, but attractive expository papers may also be considered for publication.
The journal usually appears in one issue per year. Additional issues may however be published. In particular, the Managing Editors may consider the publication of supplementary volumes related to some special events, like conferences, workshops, and advanced schools.
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