most citedA SIDARTHE Model of COVID-19 Epidemic in Italy

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math.NA2013

On the decay of the inverse of matrices that are sum of Kronecker products

Claudio Canuto, Valeria Simoncini, Marco Verani

Decay patterns of matrix inverses have recently attracted considerable interest, due to their relevance in numerical analysis, and in applications requiring matrix function approxi…

quant-ph2013★ 39 cited

Quantum simulation of bosonic-fermionic non-interacting particles in disordered systems via quantum walk

Francesco De Nicola, Linda Sansoni, Andrea Crespi +6

We report on the theoretical analysis of bosonic and fermionic non-interacting systems in a discrete two-particle quantum walk affected by different kinds of disorder. We considere…

quant-ph2013★ 9 cited

Non-Hermitian quantum rings

Stefano Longhi

We investigate the spectral and dynamical properties of a quantum particle constrained on a ring threaded by a magnetic flux in presence of a complex (non-Hermitian) potential. For…

cs.NI2013

Beaconing-Aware Optimal Policies for Two-Hop Routing in Multi-Class Delay Tolerant Networks

Nicola Basilico, Nicola Gatti, Luca Goffredi +1

In Delay Tolerant Networks (DTNs), two-hop routing compromises energy versus delay more conveniently than epidemic routing. Literature provides comprehensive results on optimal rou…

quant-ph2013★ 44 cited

Maximally incompatible quantum observables

Teiko Heinosaari, Jussi Schultz, Alessandro Toigo +1

The existence of maximally incompatible quantum observables in the sense of a minimal joint measurability region is investigated. Employing the universal quantum cloning device it…

gr-qc2013★ 3 cited

Qualitative analysis of collapsing isotropic fluid spacetimes

Roberto Giambò, Giulio Magli

The structure of the Einstein field equations describing the gravitational collapse of spherically symmetric isotropic fluids is analyzed here for general equations of state. A sui…

physics.soc-ph2013★ 119 cited

Efficiency of attack strategies on complex model and real-world networks

Michele Bellingeri, Davide Cassi, Simone Vincenzi

We investigated the efficiency of attack strategies to network nodes when targeting several complex model and real-world networks. We tested 5 attack strategies, 3 of which were in…

math.AP2013★ 2 cited

Robust exponential attractors for the modified phase-field crystal equation

Maurizio Grasselli, Hao Wu

We consider the modified phase-field crystal (MPFC) equation that has recently been proposed by P. Stefanovic et al. This is a variant of the phase-field crystal (PFC) equation, in…

cs.DB2013

On the dependency on the size of the data when chasing under conceptual dependencies

Davide Martinenghi

Conceptual dependencies (CDs) are particular kinds of key dependencies (KDs) and inclusion dependencies (IDs) that precisely characterize relational schemata modeled according to t…

cond-mat.str-el2013★ 43 cited

Orbital occupancies and the putative jeff = 1/2 groundstate in Ba2IrO4: a combined oxygen K edge XAS and RIXS study

M. Moretti Sala, M. Rossi, S. Boseggia +9

The nature of the electronic groundstate of Ba2IrO4 has been addressed using soft X-ray absorption and inelastic scattering techniques in the vicinity of the oxygen K edge. From th…

cond-mat.mtrl-sci2013★ 52 cited

Molecular-Level Switching of Polymer/Nanocrystal Non-Covalent Interactions and Application in Hybrid Solar Cells

Carlo Giansante, Rosanna Mastria, Giovanni Lerario +9

Hy brid composites obtained upon blending conjugated polymers and colloidal inorganic semiconductor nanocrystals are regarded as attractive photo-active materials for optoelectroni…

math.AP2013★ 1 cited

Fractional porous media equations: existence and uniqueness of weak solutions with measure data

Gabriele Grillo, Matteo Muratori, Fabio Punzo

We prove existence and uniqueness of solutions to a class of porous media equations driven by the fractional Laplacian when the initial data are positive finite Radon measures on t…

physics.hist-ph2013★ 2 cited

Under Augustus sign: the role of Astronomy in the foundation of Augusta Praetoria Salassorum

Stella Vittoria Bertarione, Giulio Magli

Augusta Praetoria Salassorum, modern Aosta, was founded around 25 BC to celebrate the victory of Augustus army on the Salassi. Aosta is a city of the founder under many respects; f…

math.NA2013

Multigrid algorithms for -Discontinuous Galerkin discretizations of elliptic problems

P. F. Antonietti, M. Sarti, M. Verani

We present W-cycle multigrid algorithms for the solution of the linear system of equations arising from a wide class of -version discontinuous Galerkin discretizations of ellip…

cond-mat.mtrl-sci2013★ 263 cited

Multi-wavelength Raman scattering of nanostructured Al-doped zinc oxide

V. Russo, M. Ghidelli, P. Gondoni +2

In this work we present a detailed Raman scattering investigation of zinc oxide and aluminum-doped zinc oxide (AZO) films characterized by a variety of nanoscale structure and morp…

cond-mat.mtrl-sci2013★ 20 cited

Enhancing Light Harvesting by Hierarchical Functionally Graded Transparent Conducting Al-doped ZnO Nano- and Mesoarchitectures

Paolo Gondoni, Piero Mazzolini, Valeria Russo +4

A functionally graded Al-doped ZnO structure is presented which combines conductivity, visible transparency and light scattering with mechanical flexibility. The nano and meso-arch…

cond-mat.soft2013★ 25 cited

Growth-induced blisters in a circular tube

Riccardo De Pascalis, Gaetano Napoli, Stefano S. Turzi

The growth of an elastic film adhered to a confining substrate might lead to the formation of delimitation blisters. Many results have been derived when the substrate is flat. The…

physics.plasm-ph2013★ 119 cited

Evidence of resonant surface wave excitation in the relativistic regime through measurements of proton acceleration from grating targets

T. Ceccotti, V. Floquet, A. Sgattoni +25

The interaction of laser pulses with thin grating targets, having a periodic groove at the irradiated surface, has been experimentally investigated. Ultrahigh contrast ($\sim 10^{1…

cs.CR2013★ 13 cited

Tracking and Characterizing Botnets Using Automatically Generated Domains

Stefano Schiavoni, Federico Maggi, Lorenzo Cavallaro +1

Modern botnets rely on domain-generation algorithms (DGAs) to build resilient command-and-control infrastructures. Recent works focus on recognizing automatically generated domains…

math.AP2013

Cahn-Hilliard Equation with Nonlocal Singular Free Energies

Helmut Abels, Stefano Bosia, Maurizio Grasselli

We consider a Cahn-Hilliard equation which is the conserved gradient flow of a nonlocal total free energy functional. This functional is characterized by a Helmholtz free energy de…

eess.SY2013

Model predictive control of voltage profiles in MV networks with distributed generation

Marcello Farina, Antonio Guagliardi, Federico Mariani +2

The Model Predictive Control (MPC) approach is used in this paper to control the voltage profiles in MV networks with distributed generation. The proposed algorithm lies at the int…

astro-ph.IM2013★ 2 cited

Toward a numerical deshaker for PFS

F. Schmidt, I. Shatalina, M. Kowalski +3

The Planetary Fourier Spectrometer (PFS) onboard Mars Express (MEx) is the instrument with the highest spectral resolution observing Mars from orbit since January 2004. It permits…

cs.SE2013

Issues about the Adoption of Formal Methods for Dependable Composition of Web Services

Manuel Mazzara, Michele Ciavotta

Web Services provide interoperable mechanisms for describing, locating and invoking services over the Internet; composition further enables to build complex services out of simpler…

quant-ph2013★ 316 cited

Efficient experimental validation of photonic boson sampling against the uniform distribution

N. Spagnolo, C. Vitelli, M. Bentivegna +10

A boson sampling device is a specialised quantum computer that solves a problem which is strongly believed to be computationally hard for classical computers. Recently a number of…