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physics.optics2014★ 5 cited

Dispersive wave emission in dual concentric core fiber: the role of soliton-soliton collisions

Alessandro Tonello, Daniele Modotto, Katarzyna Krupa +7

Soliton-soliton collisions have a crucial role in enhancing the spectrum of dispersive waves in optical fibers and collisions among in-phase solitons lead to a dramatic enhancement…

cond-mat.mes-hall2014★ 557 cited

Mode-matching in multiresonant plasmonic nanoantennas for enhanced second harmonic generation

Michele Celebrano, Xiaofei Wu, Milena Baselli +10

Boosting nonlinear frequency conversion in extremely confined volumes remains a key challenge in nano-optics, nanomedicine, photocatalysis, and background-free biosensing. To this…

cs.IT2014★ 4 cited

Enumerative Coding for Line Polar Grassmannians with applications to codes

Ilaria Cardinali, Luca Giuzzi

A -polar Grassmannian is the geometry having as pointset the set of all -dimensional subspaces of a vector space which are totally isotropic for a given non-degenerate bi…

cs.NI2014★ 50 cited

A High Efficiency MAC Protocol for WLANs: Providing Fairness in Dense Scenarios

Luis Sanabria-Russo, Jaume Barcelo, Boris Bellalta +1

Collisions are a main cause of throughput degradation in WLANs. The current contention mechanism used in IEEE 802.11 networks is called Carrier Sense Multiple Access with Collision…

math.AP2014

A Traffic Model Aware of Real Time Data

Rinaldo M. Colombo, Francesca Marcellini

Nowadays, traffic monitoring systems have access to real time data, e.g. through GPS devices. We propose a new traffic model able to take into account these data and, hence, able t…

cond-mat.stat-mech2014★ 38 cited

Essential equivalence of the GENERIC and Steepest Entropy Ascent models of dissipation for non-equilibrium thermodynamics

Alberto Montefusco, Francesco Consonni, Gian Paolo Beretta

By reformulating the Steepest-Entropy-Ascent (SEA) dynamical model for non-equilibrium thermodynamics in the mathematical language of Differential Geometry, we compare it with the…

cs.NI2014★ 1 cited

Implementation and Experimental Evaluation of a Collision-Free MAC Protocol for WLANs

Luis Sanabria-Russo, Francesco Gringoli, Jaume Barcelo +1

Collisions are a main cause of throughput degradation in Wireless LANs. The current contention mechanism for these networks is based on a random backoff strategy to avoid collision…

nucl-ex2014★ 15 cited

First determination of the one-proton induced Non-Mesonic Weak Decay width of p-shell Λ-Hypernuclei

M. Agnello, L. Benussi, M. Bertani +24

Previous studies of proton and neutron spectra from Non-Mesonic Weak Decay of eight Lambda-Hypernuclei (A = 5-16) have been revisited. New values of the ratio of the two-nucleon an…

physics.optics2014★ 30 cited

Coherence loss of partially mode-locked fiber laser

Lei Gao, Tao Zhu, Stefan Wabnitz +2

Stochastically driven nonlinear processes limit the number of amplified modes in a natural system due to competitive mode interaction, which is accompanied by loss of coherence whe…

cond-mat.stat-mech2014★ 81 cited

Steepest Entropy Ascent Model for Far-Non-Equilibrium Thermodynamics. Unified Implementation of the Maximum Entropy Production Principle

Gian Paolo Beretta

By suitable reformulations, we cast the mathematical frameworks of several well-known different approaches to the description of non-equilibrium dynamics into a unified formulation…

physics.optics2014★ 48 cited

Mid-Infrared Soliton and Raman Frequency Comb Generation in Silicon Microrings

Tobias Hansson, Daniele Modotto, Stefan Wabnitz

We numerically study the mechanisms of frequency comb generation in the mid-infrared spectral region from cw pumped silicon microring resonators. Coherent soliton comb generation m…

math.AP2014★ 13 cited

Balanced-Viscosity solutions for multi-rate systems

Alexander Mielke, Riccarda Rossi, Giuseppe Savaré

Several mechanical systems are modeled by the static momentum balance for the displacement coupled with a rate-independent flow rule for some internal variable . We consider…

math.AP2014★ 2 cited

Hardy inequalities for p-Laplacians with Robin boundary conditions

Tomas Ekholm, Hynek Kovarik, Ari Laptev

In this paper we study the best constant in a Hardy inequality for the p-Laplace operator on convex domains with Robin boundary conditions. We show, in particular, that the best co…

cs.NI2014★ 12 cited

Emitter Localisation from Reception Timestamps in Asynchronous Networks

Nicolo' Facchi, Francesco Gringoli, Fabio Ricciato +1

We address the problem of localising a mobile terminal ("blind" node) in unknown position from a set of "anchor" nodes in known positions. The proposed method does not require any…

math.CO2014★ 2 cited

Line Polar Grassmann Codes of Orthogonal Type

Ilaria Cardinali, Luca Giuzzi, Antonio Pasini

Polar Grassmann codes of orthogonal type have been introduced in I. Cardinali and L. Giuzzi, \emph{Codes and caps from orthogonal Grassmannians}, {Finite Fields Appl.} {\bf 24} (20…

math.NA2014★ 3 cited

The Finite Element Immersed Boundary Method with Distributed Lagrange multiplier

Daniele Boffi, Nicola Cavallini, Lucia Gastaldi

We introduce a new formulation for the finite element immersed boundary method which makes use of a distributed Lagrange multiplier. We prove that a full discretization of our mode…

cs.IT2014★ 3 cited

Elias Bound for General Distances and Stable Sets in Edge-Weighted Graphs

Marco Dalai

This paper presents an extension of the Elias bound on the minimum distance of codes for discrete alphabets with general, possibly infinite-valued, distances. The bound is obtained…

math.AP2014★ 12 cited

Differential Equations Modeling Crowd Interactions

Raul Borsche, Rinaldo M. Colombo, Mauro Garavello +1

Nonlocal conservation laws are used to describe various realistic instances of crowd behaviors. First, a basic analytic framework is established through an "ad hoc" well posedness…

math.CO2014★ 4 cited

On some subvarieties of the Grassmann variety

Luca Giuzzi, Valentina Pepe

Let be a Desarguesian --spread of , a -dimensional subspace of and the linear set consisting of the elements of …

physics.optics2014★ 119 cited

Dual pumped microresonator frequency combs

T. Hansson, S. Wabnitz

A study is made of the nonlinear dynamics of dual pumped microresonator Kerr frequency combs described by a driven and damped nonlinear Schrödinger equation, with an additional deg…

math.NA2014★ 2 cited

A posteriori error analysis for nonconforming approximation of multiple eigenvalues

Daniele Boffi, Ricardo G. Durán, Francesca Gardini +1

In this paper we study an a posteriori error indicator introduced in E. Dari, R.G. Duran, C. Padra, Appl. Numer. Math., 2012, for the approximation of the Laplace eigenvalue proble…

math.CO2014★ 5 cited

A generalization of the problem of Mariusz Meszka

Anita Pasotti, Marco Antonio Pellegrini

Mariusz Meszka has conjectured that given a prime p=2n+1 and a list L containing n positive integers not exceeding n there exists a near 1-factor in K_p whose list of edge-lengths…

math-ph2014★ 35 cited

Recent Progress in the Definition of Thermodynamic Entropy

Enzo Zanchini, Gian Paolo Beretta

The principal methods for the definition of thermodynamic entropy are discussed with special reference to those developed by Carathéodory, the Keenan School, Lieb and Yngvason, and…

physics.med-ph2014★ 2 cited

Thorotrast and in vivo thorium dioxide: numerical simulation of 30 years of alpha radiation absorption by the tissues near a large compact source

Andrea Bianconi

Background: The epidemiology of the slightly radioactive contrast agent named Thorotrast presents a very long latency period between the injection and the development of the relate…