the aim of this paper is to generalize the‎‎notion of pseudo-almost valuation domains to arbitrary‎ ‎commutative rings‎. ‎it is shown that the classes of chained rings‎ ‎and pseudo-valuation rings are properly contained in the class of‎ ‎pseudo-almost valuation rings; also the class of pseudo-almost‎ ‎valuation rings is properly contained in the class of quasi-local‎ ‎rings with linearly ordere...

For a ring endomorphism $alpha$ and an $alpha$-derivation $delta$, we introduce a concept, so called skew $pi$-Armendariz ring, that is a generalization of both $pi$-Armendariz rings, and $(alpha,delta)$-compatible skew Armendariz rings. We first observe the basic properties of skew $pi$-Armendariz rings, and extend the class of skew $pi$-Armendariz rings through various ring extensions. We nex...

statement of the problem: implant-retained overdenture can improve the stability of dentures and prevent bone loss. overdenture-wearing patients need special hygiene care. purpose: the aim of this study was to evaluate the effects of various denture cleansers on the retention of dio orange o-rings. method and materials : in this experimental study, 40 dio orange o-rings were divided into 4 grou...

A retrospective study was carried out in the Ferrara Local Health District, Italy, for the period 1981-1993 (average resident population: 177,235 inhabitants) to establish whether people exposed to exogenous gangliosides had a higher risk of Guillain-Barré syndrome. The incidence of Guillain-Barré syndrome of 1.9/100,000 population/year [95% confidence interval (CI): 1.3-2.5] reported in Ferrar...

This paper describes how the university timetabling problem is addressed in the Laurea course Ingegneria dell’Informazione (Information Engineering) for the University of Ferrara, Italy. The university timetabling problem is modelled as a Constraint Optimisation Problem and addressed with ECLPS, one of the leading Constraint Logic Programming languages.

The aim of this paper is to generalize the‎‎notion of pseudo-almost valuation domains to arbitrary‎ ‎commutative rings‎. ‎It is shown that the classes of chained rings‎ ‎and pseudo-valuation rings are properly contained in the class of‎ ‎pseudo-almost valuation rings; also the class of pseudo-almost‎ ‎valuation rings is properly contained in the class of quasi-local‎ ‎rings with linearly ordere...

This paper reports on the presentation made during the panel on “Digital Libraries and Digital Archives: Problems and Challenges for AI Approaches” of the 1st Workshop on Intelligent Techniques At LIbraries and Archives (ITALIA 2015) co-located with the XIV Conference of the Italian Association for Artificial Intelligence, 22 September 2015, Ferrara, Italy.

The concepts of ( , ρ)-invexity have been given by Carsiti,Ferrara and Stefanescu[32]. We consider a second-order dual model associated to a multiobjective programming problem involving support functions and a weak duality result is established under appropriate second-order ( , ρ)-univexity conditions. AMS 2002 Subject Classification: 90C29, 90C30, 90C46.

A research program financed by the MIUR (1998–2000) was carried out with the participation of eight Research Units of Italian Universities: Bologna (Coordinator: Fiorenzo Facchini), Ferrara (Coordinator: Carlo Peretto), Pisa (Coordinator: Carlo Tozzi), Rome (Coordinator: Pietro Passarello), Milan (Coordinator: Leone Fasani), Turin (Coordinator: Giacomo Giacobini), Bari (Coordinator: Vittorio Pe...

DNA Laboratory, GSTS Pathology, Guy’s Hospital, London SE1 9RT, UK Université Montpellier1, UFR Médecine and INSERM U827, Montpellier F-34000, France Department of Human and Clinical Genetics, LUMC, 2333 AL Leiden, The Netherlands d Sezione di Genetica Medica, Dipartimento di Medicina Sperimentale e Diagnostica Università di Ferrara, Italy Karolinska Institute, Neuropediatric Unit, Stockholm 17...