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281 papers · 1 filter

eess.SY2021★ 31 cited

Data-driven design of safe control for polynomial systems

Alessandro Luppi, Andrea Bisoffi, Claudio De Persis +1

We consider the problem of designing an invariant set using only a finite set of input-state data collected from an unknown polynomial system in continuous time. We consider noisy…

stat.AP2021★ 8 cited

Robust Functional ANOVA with Application to Additive Manufacturing

Fabio Centofanti, Bianca Maria Colosimo, Marco Luigi Grasso +3

The development of data acquisition systems is facilitating the collection of data that are apt to be modelled as functional data. In some applications, the interest lies in the id…

physics.optics2021★ 12 cited

Bulk-edge correspondence and trapping at a non-Hermitian topological interface

Stefano Longhi

In Hermitian systems, according to the bulk-edge correspondence interfacing two topological optical media with different bulk topological numbers implies the existence of edge stat…

quant-ph2021★ 3 cited

Experimentally determining the incompatibility of two qubit measurements

Andrea Smirne, Simone Cialdi, Daniele Cipriani +3

We describe and realize an experimental procedure for assessing the incompatibility of two qubit measurements. The experiment consists in a state discrimination task where either m…

physics.atom-ph2021★ 6 cited

Improved stabilization scheme for extreme ultraviolet quantum interference experiments

Daniel Uhl, Andreas Wituschek, Ulrich Bangert +18

Interferometric pump-probe experiments in the extreme ultraviolet (XUV) domain are experimentally very challenging due to the high phase stability required between the XUV pulses.…

quant-ph2021★ 11 cited

Selective and tunable excitation of topological non-Hermitian skin modes

Stefano Longhi

Non-Hermitian lattices under semi-infinite boundary conditions sustain an extensive number of exponentially-localized states, dubbed non-Hermitian skin modes. Such states can be pr…

cond-mat.supr-con2021★ 118 cited

Charge and spin order dichotomy in NdNiO driven by SrTiO capping layer

G. Krieger, L. Martinelli, S. Zeng +10

Superconductivity in infinite-layer nickelates holds exciting analogies with that of cuprates, with similar structures and -electron count. Using resonant inelastic x-ray scatt…

cs.HC2021★ 53 cited

Conversational Agents in Therapeutic Interventions for Neurodevelopmental Disorders: A Survey

Fabio Catania, Micol Spitale, Franca Garzotto

Neurodevelopmental Disorders (NDD) are a group of conditions with onset in the developmental period characterized by deficits in the cognitive and social areas. Conversational agen…

quant-ph2021★ 1 cited

The decoherence-free subalgebra of Gaussian Quantum Markov Semigroups

Julián Agredo, Franco Fagnola, Damiano Poletti

We demonstrate a method for finding the decoherence-subalgebra of a Gaussian quantum Markov semigroup on the von Neumann algebra $\mathcal{B}(Γ(\mathbb{C…

math.NA2021★ 15 cited

Anisotropic mesh adaptation for region-based segmentation accounting for image spatial information

Matteo Giacomini, Simona Perotto

A finite element-based image segmentation strategy enhanced by an anisotropic mesh adaptation procedure is presented. The methodology relies on a split Bregman algorithm for the mi…

cs.CV2021★ 29 cited

Forensic Analysis of Synthetically Generated Western Blot Images

Sara Mandelli, Davide Cozzolino, Edoardo D. Cannas +8

The widespread diffusion of synthetically generated content is a serious threat that needs urgent countermeasures. As a matter of fact, the generation of synthetic content is not r…

q-fin.CP2021★ 8 cited

A fast Monte Carlo scheme for additive processes and option pricing

Michele Azzone, Roberto Baviera

In this paper, we present a very fast Monte Carlo scheme for additive processes: the computational time is of the same order of magnitude of standard algorithms for Brownian motion…

physics.soc-ph2021★ 9 cited

A Generalization of Lanchester's Model of Warfare

Nicolò Cangiotti, Marco Capolli, Mattia Sensi

The classical Lanchester's model is shortly reviewed and analysed, with particular attention to the critical issues that intrinsically arise from the mathematical formalization of…

math.FA2021

Universality property of the -functional calculus, noncommuting matrix variables and Clifford operators

Fabrizio Colombo, Jonathan Gantner, David P. Kimsey +1

The spectral theory on the -spectrum was born out of the need to give quaternionic quantum mechanics (formulated by Birkhoff and von Neumann) a precise mathematical foundation.…

math.OC2021

Overhang penalization in additive manufacturing via phase field structural topology optimization with anisotropic energies

Harald Garcke, Kei Fong Lam, Robert Nürnberg +1

A phase field approach for structural topology optimization with application to additive manufacturing is analyzed. The main novelty is the penalization of overhangs (regions of th…

eess.SP2021

Dual Domain Waveform Design for Joint Communication and Sensing Systems

Luca Rinaldi, Dario Tagliaferri, Francesco Linsalata +3

The evolution of wireless communication systems towards millimeter-wave ( GHz) and sub-THz ( GHz) frequency bands highlighted the need for accurate and fast beam mana…

cond-mat.mtrl-sci2021★ 7 cited

Disentangling Electronic, Lattice and Spin Dynamics in the Chiral Helimagnet Cr1/3NbS2

N. Sirica, H. Hedayat, D. Bugini +7

We investigate the static and ultrafast magneto-optical response of the hexagonal chiral helimagnet above and below the helimagnetic ordering temperature. The pre…

cs.IT2021

Scalar Gaussian Wiretap Channel with Peak Amplitude Constraint: Numerical Computation of the Optimal Input Distribution

Luca Barletta, Alex Dytso

This paper studies a scalar Gaussian wiretap channel where instead of an average input power constraint, we consider a peak amplitude constraint on the input. The goal is to obtain…

cs.DB2021

Semantic Foundations of Seraph Continuous Graph Query Language

Emanuele Falzone, Riccardo Tommasini, Emanuele Della Valle +6

The scientific community has been studying graph data models for decades. Their high expressiveness and elasticity led the scientific community to design a variety of graph data mo…

eess.SP2021★ 1 cited

Spatial-Interference Aware Cooperative Resource Allocation for 5G NR Sidelink Communications

Silvia Mura, Francesco Linsalata, Marouan Mizmizi +5

Distributed resource allocation (RA) schemes have been introduced in cellular vehicle-to-everything (C-V2X) standard for vehicle-to-vehicle (V2V) sidelink (SL) communications to sh…

physics.chem-ph2021

A systematic study of the valence electronic structure of cyclo(Gly-Phe), cyclo(Trp-Tyr) and cyclo(Trp-Trp) dipeptides in gas phase

Elena Molteni, Giuseppe Mattioli, Paola Alippi +12

The electronic energy levels of cyclo(Glycine-Phenylalanine), cyclo(Tryptophan-Tyrosine) and cyclo(Tryptophan-Tryptophan) dipeptides are investigated with a joint experimental and…

cond-mat.supr-con2021★ 16 cited

Doping-dependence of the electron-phonon coupling in two families of bilayer superconducting cuprates

Yingying Peng, Leonardo Martinelli, Qizhi Li +21

While electron-phonon coupling (EPC) is crucial for Cooper pairing in conventional superconductors, its role in high- superconducting cuprates is debated. Using resonant inela…

cond-mat.mes-hall2021★ 67 cited

Dynamics of hole singlet triplet qubits with large g-factor differences

Daniel Jirovec, Philipp M. Mutter, Andrea Hofmann +8

The spin-orbit interaction is the key element for electrically tunable spin qubits. Here we probe the effect of cubic Rashba spin-orbit interaction on mixing of the spin states by…

math.NA2021

On mathematical and numerical modelling of multiphysics wave propagation with polytopal Discontinuous Galerkin methods

Paola F. Antonietti, Michele Botti, Ilario Mazzieri

In this work we review discontinuous Galerkin finite element methods on polytopal grids (PolydG) for the numerical simulation of multiphysics wave propagation phenomena in heteroge…