Area Scienze chimiche, fisiche, matematiche: Recent submissions
Items 101-120 di 280
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La mostra "Divertiesperimenti" come ponte tra l'apprendimento informale e il formale nell'insegnamento della fisica nella scuola secondaria
(Universita degli studi di Salerno, 2017-05-23)The actual surveys highlight that teaching scientific disciplines it gives often-inadequate results, in Italy particularly, and it emerges that, in general, the educational aspects of the teaching of the Physics are not ... -
MAP/PH/1 systems with group service: performance analysis under different admission strategies
(Universita degli studi di Salerno, 2017-05-04)Recent advances in wireless communication networks led to possibility of multi-rate transmission of information. The queueing theory represents a valid tool to study how the performances of such communication systems can ... -
Quantum Information Theory in Condensed Matter Physics
(Universita degli studi di Salerno, 2017-05-22)Inthe“standard”Gizburg-Landauapproach,aphasetransitionisintimately connected to a local order parameter, that spontaneously breaks some symmetries. In addition to the “traditional” symmetry-breaking ordered phases, a complex ... -
On fractional probabilistic mean value theorems, fractional counting processes and related results
(Universita degli studi di Salerno, 2017-07-17)The thesis collects the outcomes of the author’s research carried out in the research group Probability Theory and Mathematical Statistics at the Department of Mathematics, University of Salerno, during the doctoral programme ... -
Fractional derivative of the riemann zeta function
(Universita degli studi di Salerno, 2017-05-02)In this work of thesis, the Riemann zeta function was studied by using an unconventional approach. The reason for choosing this approach was to explore the many applications that the Riemann zeta has not only in pure ... -
Elliptic Operators with Unbounded Coefficients
(Universita degli studi di Salerno, 2017-04-28)Aim of this manuscript is to give generation results and some Hardy inequalities concerning elliptic operators with unbounded coefficients of the form Au = div(aDu) + F ·Du + V u where V is a real valued function, a(x) = ... -
On neutrino mixing in Quantum Field Theory
(Universita degli studi di Salerno, 2017-05-23)Neutrino physics is one of the most important areas in research on the fundamental interactions, both theoretically and experimentally. A central issue in the study of these particles is related to the properties of mixing ... -
The role of randomness in avalanche statistics and synchronization of spring-block models
(Universita degli studi di Salerno, 2017-07-14)Self-organized criticality is a collective behaviour whose main feature is that the dynamical system we are considering moves towards its critical point, without any tuning of adjustable external parameters. The most famous ... -
DIST-M: script collaborativi computer-based per mediare l'argomentazione in matematica
(Universita degli studi di Salerno, 2017-05-05)Questa tesi è parte di una ricerca che mira a comprendere se sia possibile utilizzare, nell'ambito dell'educazione matematica, una piattaforma di e-learning per realizzare un insegnamento basato sulla mediazione e ... -
Discutere di Matematica: confronto tra il caso online e in presenza
(Universita degli studi di Salerno, 2017-05-09)My doctoral thesis concerns research in mathematics education, with particular reference to the use of the social networks. In this respect, I am interested in online discussion in mathematics and the comparison between ... -
Many valued logics: interpretations, representations and applications
(Universita degli studi di Salerno, 2017-05-10)This thesis, as the research activity of the author, is devoted to establish new connections and to strengthen well-established relations between different branches of mathematics, via logic tools. Two main many valued ... -
Crystal growth and physical properties of helimagnetic oxides
(Universita degli studi di Salerno, 2017-07-13)This work is focused on two helimagnetic materials: Ba2CuGe2O7 and Cu3Nb2O8. Recent studies report a number of interesting anisotropic proper- ties [1, 2, 3]. Ba2CuGe2O7 melilite oxide shows a complex magnetic behaviour, ... -
Seismic tomography of Italy (with special regard to Southern Tyrrhenian)
(Universita degli studi di Salerno, 2017-07-14)The topic of my PhD thesis is a seismic tomography which has as object of investigation Italy, particularly Southern Italy and Southern Tyrrhenian. This tomography has been obtained by means of inversion of teleseismic ... -
Graphene and carbon nanotubes in transistors, diodes and field emission devices
(Universita degli studi di Salerno, 2017-03-22)Since their discovery, graphene and carbon nanotubes have been playing an important role in nanoscience and nanotechnology thanks to their extraordinary physical and chemical properties. With silicon-based electronics ... -
New Insights on cryptographic hierarchical access control: models, schemes and analysis
(Universita degli studi di Salerno, 2016-05-24)Nowadays the current network-centric world has given rise to several security concerns regarding the access control management, which en- sures that only authorized users are given access to certain resources or tasks. ... -
Carbon-based nanomaterials
(Universita degli studi di Salerno, 2017-02-27)New layered carbon-based materials were prepared and exhaustively characterized exploiting different characterization techniques, such as thermogravimetry (TGA), differential thermal calorimetry (DSC), Fourier transform ... -
A study on iron-chalcogenides superconductors: from samples preparation to physical properties
(Universita degli studi di Salerno, 2017-03-14)In the scientific community there is a great interest to explore new superconducting materials suitable for high field applications in order to meet the needs of industrial claims. In this framework, newly discovered ... -
Augmenting the Internet with a Trust Ecosystem for inter pares interactions
(Universita degli studi di Salerno, 2016-05-23)The Internet is an extraordinary communications medium but it is not free from problems that are limiting its potential further development. In this dissertation we analyze and address some of the issues that make it an ... -
Fabrication of graphene based devices and study of their electrical and optical properties
(Universita degli studi di Salerno, 2013-05-13)This work is dedicated to investigate the unique and excellent electrical and optical properties of graphene, through the fabrication and experimental study of several graphene based devices. Particular attention is paid ... -
Novel macrocyclic systems in asymmetric phase-transfer catalysis
(Universita degli studi di Salerno, 2017-02-27)In the great realm of organic synthesis, phase-transfer catalysis (PTC) is a well recognized methodology which plays a key role both in industry and academia research. This process involves reactions that take place between ...
