cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Interferometric mass spectrometry
Creators: name: Ionicioiu, Radu
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Accelerator mass spectrometry (AMS) is a widely-used technique with multiple applications, including geology, molecular biology and archeology. In order to achieve a high dynamic range, AMS requires tandem accelerators and large magnets, which thus confines it to big laboratories. Here we propose interferometric mass spectrometry (Interf-MS), a novel method of mass separation which uses quantum interference. Interf-MS employs the wave-like properties of the samples, and as such is complementary to AMS, in which samples are particle-like. This complementarity has two significant consequences: (i) in Interf-MS separation is performed according to the absolute mass $m$, and not to the mass-to-charge ratio $m/q$, as in AMS; (ii) in Interf-MS the samples are in the low-velocity regime, in contrast to the high-velocity regime used in AMS. Potential applications of Interf-MS are compact devices for mobile applications, sensitive molecules that break at the acceleration stage and neutral samples which are difficult to ionise.
description: Updated to the published version, J. Am. Soc. Mass Spectrom. 2023
Probing millisecond pulsar emission geometry using light curves from the Fermi Large Area Telescope
Creators: name: Venter, C.
name: Harding, A. K.
name: Guillemot, L.
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: An interesting new high-energy pulsar sub-population is emerging following early discoveries of gamma-ray millisecond pulsars (MSPs) by the Fermi Large Area Telescope (LAT). We present results from 3D emission modeling, including the Special Relativistic effects of aberration and time-of-flight delays and also rotational sweepback of B-field lines, in the geometric context of polar cap (PC), outer gap (OG), and two-pole caustic (TPC) pulsar models. In contrast to the general belief that these very old, rapidly-rotating neutron stars (NSs) should have largely pair-starved magnetospheres due to the absence of significant pair production, we find that most of the light curves are best fit by TPC and OG models, which indicates the presence of narrow accelerating gaps limited by robust pair production -- even in these pulsars with very low spin-down luminosities. The gamma-ray pulse shapes and relative phase lags with respect to the radio pulses point to high-altitude emission being dominant for all geometries. We also find exclusive differentiation of the current gamma-ray MSP population into two MSP sub-classes: light curve shapes and lags across wavebands impose either pair-starved PC (PSPC) or TPC / OG-type geometries. In the first case, the radio pulse has a small lag with respect to the single gamma-ray pulse, while the (first) gamma-ray peak usually trails the radio by a large phase offset in the latter case. Finally, we find that the flux correction factor as a function of magnetic inclination and observer angles is typically of order unity for all models. Our calculation of light curves and flux correction factor for the case of MSPs is therefore complementary to the "ATLAS paper" of Watters et al. for younger pulsars.
description: 51 pages, 23 figures, 3 tables; low-resolution figures; accepted for publication by ApJ
Non sottovalutate le nane bianco-gialle
Creators: Matteo De Giuli
Publisher: name: Media Inaf
Year: 2014

Secondo un nuovo studio potrebbero esserci pianeti abitabili anche tra quelli che orbitano attorno a stelle di classe F V, ritenute fino a oggi una fonte troppo potente di radiazioni ultraviolette per permettere lo sviluppo di vita extraterrestre
title: ArXrCiM: Architectural Exploration of Application-Specific Resonant SRAM Compute-in-Memory
title: Architectural Exploration of Application-Specific Resonant SRAM Compute-in-Memory (rCiM)
titleType: AlternativeTitle
Creators: name: Challagundla, Dhandeep
name: Bezzam, Ignatius
name: Islam, Riadul
Publisher: name: IEEE
Year: 2024
Subjects: subject: Recycling
subject: resonant energy-recycling
subject: Optimization
subject: In-memory computing
subject: memory bottleneck
subject: Compute-in-memory (CiM)
subject: Discharges (electric)
subject: Inductors
subject: UMBC Cybersecurity Institute
subject: Logic
subject: logic synthesis
subject: Computer architecture
subject: Random access memory
subject: static random-access memory (SRAM)
subject: Microprocessors
subject: Energy efficiency

description: While general-purpose computing follows von Neumann’s architecture, the data movement between memory and processor elements dictates the processor’s performance. The evolving compute-in-memory (CiM) paradigm tackles this issue by facilitating simultaneous processing and storage within static random-access memory (SRAM) elements. Numerous design decisions taken at different levels of hierarchy affect the figures of merit (FoMs) of SRAM, such as power, performance, area, and yield. The absence of a rapid assessment mechanism for the impact of changes at different hierarchy levels on global FoMs poses a challenge to accurately evaluating innovative SRAM designs. This article presents an automation tool designed to optimize the energy and latency of SRAM designs incorporating diverse implementation strategies for executing logic operations within the SRAM. The tool structure allows easy comparison across different array topologies and various design strategies to result in energy-efficient implementations. Our study involves a comprehensive comparison of over 6900+ distinct design implementation strategies for École Polytechnique Fédérale de Lausanne (EPFL) combinational benchmark circuits on the energy-recycling resonant CiM (rCiM) architecture designed using Taiwan Semiconductor Manufacturing Company (TSMC) 28-nm technology. When provided with a combinational circuit, the tool aims to generate an energy-efficient implementation strategy tailored to the specified input memory and latency constraints. The tool reduces 80.9% of energy consumption on average across all benchmarks while using the six-topology implementation compared with the baseline implementation of single-macro topology by considering the parallel processing capability of rCiM cache size ranging from 4 to 192 kB.
A new nonlinear instability for scalar fields
Creators: name: Hassani, Farbod
name: Shi, Pan
name: Adamek, Julian
name: Kunz, Martin
name: Wittwer, Peter
Publisher: name: arXiv
Year: 2021
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Numerical Analysis (math.NA)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: In this letter we introduce the non-linear partial differential equation (PDE) $\partial^2_τ π\propto (\vec\nabla π)^2$ showing a new type of instability. Such equations appear in the effective field theory (EFT) of dark energy for the $k$-essence model as well as in many other theories based on the EFT formalism. We demonstrate the occurrence of instability in the cosmological context using a relativistic $N$-body code, and we study it mathematically in 3+1 dimensions within spherical symmetry. We show that this term dominates for the low speed of sound limit where some important linear terms are suppressed.
description: 5 pages, 2 figures; data available at https://zenodo.org/record/7950024
Topolino gioca su Giove
Creators: Eleonora Ferroni
Publisher: name: Media Inaf
Year: 2014

Lo scorso 25 febbraio, l'astrofotografo Damian Peach ha fotografato alcune immagini di tre perturbazioni particolarmente somiglianti al famoso personaggio dei cartoons della Disney. Si tratta di due anticicloni e un ciclone
Generalized uncertainty relation between thermodynamic variables in quantum thermodynamics
Creators: name: Abuali, Z.
name: Kamin, F. H.
name: Afonso, R. J. S.
name: Soares-Pinto, D. O.
name: Salimi, S.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Macroscopic thermodynamics, via the weak coupling approximation, assumes that the equi?librium properties of a system are not affected by interactions with its environment. However, this assumption may not hold for quantum systems, where the strength of interaction between the system and the environment may become non-negligible in a strong coupling regime. In such a regime, the equilibrium properties of the system depend on the interaction energy and the system state is no longer of the Gibbs form. Regarding such interactions, using tools from the quantum estimation theory, we derive the thermodynamic uncertainty relation between intensive and exten?sive variables valid at all coupling regimes through the generalized Gibbs ensemble (GGE). Where we demonstrate the lower bound on the uncertainty of intensive variables increases in presence of quantum fluctuations. Also, we calculate the general uncertainty relations for several ensembles to corroborate the literature results, thus showing the versatility of our method.
description: 23 pages
Cell Multi-Bernoulli (Cell-MB) Sensor Control for Multi-object Search-While-Tracking (SWT)
Creators: name: LeGrand, Keith A.
name: Zhu, Pingping
name: Ferrari, Silvia
Publisher: name: arXiv
Year: 2021
Subjects: subject: Signal Processing (eess.SP)
subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Computer and information sciences

description: Information-driven control can be used to develop intelligent sensors that can optimize their measurement value based on environmental feedback. In object tracking applications, sensor actions are chosen based on the expected reduction in uncertainty also known as information gain. Random finite set (RFS) theory provides a formalism for quantifying and estimating information gain in multi-object tracking problems. However, estimating information gain in these applications remains computationally challenging. This paper presents a new tractable approximation of the RFS expected information gain applicable to sensor control for multi-object search and tracking. Unlike existing RFS approaches, the information gain approximation presented in this paper considers the contributions of non-ideal noisy measurements, missed detections, false alarms, and object appearance/disappearance. The effectiveness of the information-driven sensor control is demonstrated through two multi-vehicle search-while-tracking experiments using real video data from remote terrestrial and satellite sensors.
Ion detection in the photoionization of a Rb Bose-Einstein condensate
Creators: name: Viteau, M.
name: Radogostowicz, J.
name: Chotia, A.
name: Bason, M. G.
name: Malossi, N.
name: Fuso, F.
name: Ciampini, D.
name: Morsch, O.
name: Ryabtsev, I. I.
name: Arimondo, E.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: Two-photon ionization of Rubidium atoms in a magneto-optical trap and a Bose-Einstein condensate (BEC) is experimentally investigated. Using 100 ns laser pulses, we detect single ions photoionized from the condenstate with a 35(10)% efficiency. The measurements are performed using a quartz cell with external electrodes, allowing large optical access for BECs and optical lattices.
description: 14 pages, 7 figures
Fotosintesi spaziale
Creators: Giulia Bonelli
Publisher: name: Media Inaf
Year: 2014

Dal 50% al 75% più alta di quanto previsto dai modelli teorici: questi i primi risultati, presentati in uno studio appena pubblicato su PNAS, d'un metodo inedito per misurare l’attività fotosintetica globale del nostro pianeta. Con un occhio che osserva niente meno che dallo spazio
Materials for Ahn & Chang (2022)
Creators: name: Chang, Charles B.
name: Ahn, Sunyoung
Publisher: name: OSF
Year: 2017
Subjects: age
bilingual children
bilingualism
emotion vocabulary
emotion words
emotional valence
heritage speakers
immigrant families
majority context
minority context

description: Test materials for Ahn and Chang (2022, "Emotion word development in bilingual children living in majority and minority contexts"), which are shareable publicly according to the study's IRB protocol: (1) language background questionnaire (in Korean), in three versions administered to participants whose additional early-learned language was English, Mongolian, or some other language, respectively, (2) full list of target words, with meta-data on psycholinguistic properties (in .xlsx, .csv, and .pdf format), and (3) emoji response scale (in .pptx and .pdf format). The Korean vocabulary test used was the Receptive and Expressive Vocabulary Test (REVT; see Kim, Hong, & Kim, 2009, "Content and reliability analyses of the Receptive and Expressive Vocabulary Test (REVT)", Korean Journal of Communication Disorders, vol. 14, pp. 34-45). The audio recordings used in the valence rating task are not shareable for privacy reasons, but are reproducible with the information provided in the journal article.
Additional file 1 of Enhanced production of taxadiene in Saccharomyces cerevisiae
Creators: name: Nowrouzi, Behnaz
name: Li, Rachel A.
name: Walls, Laura E.
name: d’Espaux, Leo
name: Malcı, Koray
name: Liang, Lungang
name: Jonguitud-Borrego, Nestor
name: Lerma-Escalera, Albert I.
name: Morones-Ramirez, Jose R.
name: Keasling, Jay D.
name: Rios-Solis, Leonardo
Publisher: name: figshare
Year: 2020
Subjects: subject: Biochemistry
subject: Space Science
subject: Microbiology
subject: FOS: Biological sciences
subject: Genetics
subject: Molecular Biology
subject: Pharmacology
subject: Biotechnology
subject: Biological Sciences not elsewhere classified
subject: Developmental Biology

description: Additional file 1: Table S1. Plasmids used in this study. Table S2. List of primers used in the study. Table S3. DNA sequences. Figure S1. Fluorescence imaging of GFP-tagged TASY showing spotted subcellular localization consistent with poor TASY solubility. Figure S2. Mass spectra for compounds produced by LRS5. Figure S3. LRS5 gas chromatogram showing additional potential terpenoids. Figure S4. Mass spectra of the LRS5 additional potential terpenoids (A-D) as shown in Figure S3.
Barycentric-alignment and reconstruction loss minimization for domain generalization
Creators: name: Lyu, Boyang
name: Nguyen, Thuan
name: Ishwar, Prakash
name: Scheutz, Matthias
name: Aeron, Shuchin
Publisher: name: arXiv
Year: 2021
Subjects: subject: Machine Learning (cs.LG)
subject: Machine Learning (stat.ML)
subject: FOS: Computer and information sciences

description: This paper advances the theory and practice of Domain Generalization (DG) in machine learning. We consider the typical DG setting where the hypothesis is composed of a representation mapping followed by a labeling function. Within this setting, the majority of popular DG methods aim to jointly learn the representation and the labeling functions by minimizing a well-known upper bound for the classification risk in the unseen domain. In practice, however, methods based on this theoretical upper bound ignore a term that cannot be directly optimized due to its dual dependence on both the representation mapping and the unknown optimal labeling function in the unseen domain. To bridge this gap between theory and practice, we introduce a new upper bound that is free of terms having such dual dependence, resulting in a fully optimizable risk upper bound for the unseen domain. Our derivation leverages classical and recent transport inequalities that link optimal transport metrics with information-theoretic measures. Compared to previous bounds, our bound introduces two new terms: (i) the Wasserstein-2 barycenter term that aligns distributions between domains, and (ii) the reconstruction loss term that assesses the quality of representation in reconstructing the original data. Based on this new upper bound, we propose a novel DG algorithm named Wasserstein Barycenter Auto-Encoder (WBAE) that simultaneously minimizes the classification loss, the barycenter loss, and the reconstruction loss. Numerical results demonstrate that the proposed method outperforms current state-of-the-art DG algorithms on several datasets.
description: This article has been accepted for publication in IEEE Access
title: Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° ÑÐ¸ÑÑÐµÐ¼Ñ Ð·Ð°ÑÐ¸ÑÑ Ð¸Ð½ÑÐ¾ÑÐ¼Ð°ÑÐ¸Ð¸ Ð°Ð²ÑÐ¾Ð¼Ð°ÑÐ¸Ð·Ð¸ÑÐ¾Ð²Ð°Ð½Ð½Ð¾Ð¹ ÑÐ¸ÑÑÐµÐ¼Ñ ÐÐÐ "ÐÐ¡ÐÐ¡"
title: Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÑÐºÐ°Ñ ÑÐ°Ð±Ð¾ÑÐ°
titleType: Subtitle
Creators: name: Ð§ÐµÑÐ½ÑÐµÐ², ÐÐ»ÐµÐºÑÐ°Ð½Ð´Ñ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2016
Subjects: Ð·Ð°ÑÐ¸ÑÐ°
Ð±ÐµÐ·Ð¾Ð¿Ð°ÑÐ½Ð¾ÑÑÑ
Ð²Ð¸Ð´ÐµÐ¾Ð½Ð°Ð±Ð»ÑÐ´ÐµÐ½Ð¸Ðµ
ÐºÐ¾Ð½ÑÑÐ¾Ð»Ñ Ð´Ð¾ÑÑÑÐ¿Ð°
ÐºÐ¾Ð¼Ð¿Ð»ÐµÐºÑÐ½Ð°Ñ Ð·Ð°ÑÐ¸ÑÐ°
protection
security
video surveillance
access control
integrated protection

description: ÐÑÐ¿ÑÑÐºÐ½Ð°Ñ Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÑÐºÐ°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¿Ð¾ÑÐ²ÑÑÐµÐ½Ð° Ð¼Ð¾Ð´ÐµÑÐ½Ð¸Ð·Ð°ÑÐ¸Ð¸ ÑÑÑÐµÑÑÐ²ÑÑÑÐµÐ¹ ÑÐ¸ÑÑÐµÐ¼Ñ Ð·Ð°ÑÐ¸ÑÑ Ð°Ð²ÑÐ¾Ð¼Ð°ÑÐ¸Ð·Ð¸ÑÐ¾Ð²Ð°Ð½Ð½Ð¾Ð¹ ÑÐ¸ÑÑÐµÐ¼Ñ, Ð¿ÑÑÑÐ¼ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ¸ ÑÐ¸ÑÑÐµÐ¼Ñ Ð·Ð°ÑÐ¸ÑÑ Ð¸Ð½ÑÐ¾ÑÐ¼Ð°ÑÐ¸Ð¸ Ð°Ð²ÑÐ¾Ð¼Ð°ÑÐ¸Ð·Ð¸ÑÐ¾Ð²Ð°Ð½Ð½Ð¾Ð¹ ÑÐ¸ÑÑÐµÐ¼Ñ ÐÐÐ Â«ÐÐ¡ÐÐ¡, ÐºÐ¾ÑÐ¾ÑÐ°Ñ Ð¾Ð±ÐµÑÐ¿ÐµÑÐ¸Ð²Ð°ÐµÑ Ð½ÐµÐ¾Ð±ÑÐ¾Ð´Ð¸Ð¼ÑÑ Ð·Ð°ÑÐ¸ÑÑ Ð¿ÑÐµÐ´Ð¿ÑÐ¸ÑÑÐ¸Ñ. Ð Ð°Ð±Ð¾ÑÐ° Ð²ÐºÐ»ÑÑÐ°ÐµÑ Ð² ÑÐµÐ±Ñ ÑÐµÐ¾ÑÐµÑÐ¸ÑÐµÑÐºÑÑ ÑÐ°ÑÑÑ, Ð°Ð½Ð°Ð»Ð¸Ð· Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½ÑÑ ÑÐ³ÑÐ¾Ð· Ð¸ Ð½Ð°ÑÑÑÐ¸ÑÐµÐ»Ñ, ÑÑÑÐµÑÑÐ²ÑÑÑÐ¸Ñ Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ð½ÑÑ Ð¸ Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ð½Ð¾-Ð°Ð¿Ð¿Ð°ÑÐ°ÑÐ½ÑÑ ÑÑÐµÐ´ÑÑÐ² Ð·Ð°ÑÐ¸ÑÑ. ÐÑÐ¿Ð¾Ð»ÑÐ·ÑÑ Ð¿Ð¾Ð»ÑÑÐµÐ½Ð½ÑÑ Ð¸Ð½ÑÐ¾ÑÐ¼Ð°ÑÐ¸Ñ, Ð¿ÑÐ¾Ð²ÐµÐ´ÐµÐ½Ð° ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° ÑÐ¸ÑÑÐµÐ¼Ñ Ð±ÐµÐ·Ð¾Ð¿Ð°ÑÐ½Ð¾ÑÑÐ¸ Ð°Ð²ÑÐ¾Ð¼Ð°ÑÐ¸Ð·Ð¸ÑÐ¾Ð²Ð°Ð½Ð½Ð¾Ð¹ ÑÐ¸ÑÑÐµÐ¼Ñ Ð¸ Ð´Ð°Ð½Ñ Ð½ÐµÐ¾Ð±ÑÐ¾Ð´Ð¸Ð¼ÑÐµ ÑÐµÐºÐ¾Ð¼ÐµÐ½Ð´Ð°ÑÐ¸Ð¸ Ð¿Ð¾ ÑÐºÑÐ¿Ð»ÑÐ°ÑÐ°ÑÐ¸Ð¸ ÑÐ¸ÑÑÐµÐ¼Ñ ÑÐ°Ð±Ð¾ÑÐ½Ð¸ÐºÐ°Ð¼ Ð¿ÑÐµÐ´Ð¿ÑÐ¸ÑÑÐ¸Ñ.
description: Bachelor work is devoted to the modernization of the existing system protection of the automated system, through the development of information security systems of the automated system of ZAO "ASIS, which provides the necessary protection for the enterprise. The work includes a theoretical part, analysis of potential threats and the intruder, the existing software and hardware-software means of protection. Using this information, conducted the development of the security system of the automated system and given the necessary advice on operating the system to employees.
Quando l’idrogeno diventa metallico
Creators: Matteo De Giuli
Publisher: name: Media Inaf
Year: 2014

Una simulazione al computer ideata alla SISSA di Trieste sposta ancora più in alto l'asticella della (enorme) pressione che, secondo diversi modelli teorici, servirebbe all'idrogeno per acquisire proprietà metalliche. Lo studio su Nature Communications
A genetic analysis of the crooked toes defect in chickens
Creators: name: Hollands, Keith Geoffrey
Publisher: name: University of British Columbia
Year: 2012

description: The crooked toes defect in chicken is an example of an aberrant polymorphic trait associated with inbreeding degeneration. The mechanism governing its expression is a property of balanced genotypes based on obligate levels of heterozygosity. Fixation of the trait was accomplished in California by a selection program combined with inbreeding in a Single Comb White Leghorn flock. The crooked toes line developed from this program was combined, in the present investigation, in crosses with genetically unrelated stock. Strain and breed (New Hampshire) crosses to the crooked toes line were made reciprocally and carried through the F₁, F₂ and backcross generations. Offspring from each cross were mated from the F₁ generation to establish four lines based on reciprocal parental matings. Comparisons were then made to determine the levels of incidence, the degree of phenotypic expression, the association of the trait with fitness and the effects of sex-linkage, maternal environment and inbreeding. Crooked toes were found to be a polygenic trait characterized by semi-dominance and variable penetrance. The trait is associated with a number of modifiers affecting fitness. Inbreeding per se increased incidence, and increased incidence was accompanied by increased expressivity. The behavior of matings between parents with varying degrees of crooked toe incidence was unpredictable. The appearance of the defect is determined to a considerable degree by the presence of a physiological threshold for its expression. An unsuccessful attempt was made to locate marker genes associated with aggregates of crooked toe determining loci.
Il gioco di prestigio del neutrino trasformista
Creators: Francesca Aloisio
Publisher: name: Media Inaf
Year: 2014

Partito dal CERN di Ginevra di tipo muonico, è arrivato all'esperimento OPERA come neutrino tau, dopo aver percorso 730 km attraverso la crosta terrestre. L’importante risultato è stato presentato nel corso di un seminario ai Laboratori INFN del Gran Sasso
Curiosity arriva a Kimberly
Creators: Eleonora Ferroni
Publisher: name: Media Inaf
Year: 2014

A partire da metà marzo, il rover della NASA è arrivato in una nuova zona, originariamente designata coma KMS-9, scelta dal team per una nuova trivellazione con cui raccogliere nuovi campioni di roccia: questa volta verranno studiate le arenarie argillose e con quarzo.
Space fashion, abiti dell’altro mondo
Creators: Marco Malaspina
Publisher: name: Media Inaf
Year: 2014

Biomimicry, Technology o Trends in Society? Lasciato per sempre alle spalle il look da Omino Michelin, l'agenzia spaziale americana invita a scegliere online quale sarà lo stile dei protagonisti delle future missioni interplanetarie.
The Obnoxious Facility Location Game with Dichotomous Preferences
Creators: name: Li, Fu
name: Plaxton, C. Gregory
name: Sinha, Vaibhav B.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Computer Science and Game Theory (cs.GT)
subject: FOS: Computer and information sciences

description: We consider a facility location game in which $n$ agents reside at known locations on a path, and $k$ heterogeneous facilities are to be constructed on the path. Each agent is adversely affected by some subset of the facilities, and is unaffected by the others. We design two classes of mechanisms for choosing the facility locations given the reported agent preferences: utilitarian mechanisms that strive to maximize social welfare (i.e., to be efficient), and egalitarian mechanisms that strive to maximize the minimum welfare. For the utilitarian objective, we present a weakly group-strategyproof efficient mechanism for up to three facilities, we give strongly group-strategyproof mechanisms that achieve approximation ratios of $5/3$ and $2$ for $k=1$ and $k > 1$, respectively, and we prove that no strongly group-strategyproof mechanism achieves an approximation ratio less than $5/3$ for the case of a single facility. For the egalitarian objective, we present a strategyproof egalitarian mechanism for arbitrary $k$, and we prove that no weakly group-strategyproof mechanism achieves a $o(\sqrt{n})$ approximation ratio for two facilities. We extend our egalitarian results to the case where the agents are located on a cycle, and we extend our first egalitarian result to the case where the agents are located in the unit square.
description: 34 pages. This is an extended version of a paper presented at the 22nd Italian Conference on Theoretical Computer Science in September 2021
Un Résultat de Complétude pour les Types $\forall^+$ du Système F
Creators: name: Nour, Karim
name: Farkh, Samir
Publisher: name: arXiv
Year: 2009
Subjects: subject: Logic (math.LO)
subject: FOS: Mathematics

description: We presente in this note a completeness result for the types with positive quantifiers of the J.-Y. Girard type system F. This result generalizes a theorem of R. Labib-Sami.
Noisy Feature Mixup
Creators: name: Lim, Soon Hoe
name: Erichson, N. Benjamin
name: Utrera, Francisco
name: Xu, Winnie
name: Mahoney, Michael W.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Machine Learning (cs.LG)
subject: Machine Learning (stat.ML)
subject: FOS: Computer and information sciences

description: We introduce Noisy Feature Mixup (NFM), an inexpensive yet effective method for data augmentation that combines the best of interpolation based training and noise injection schemes. Rather than training with convex combinations of pairs of examples and their labels, we use noise-perturbed convex combinations of pairs of data points in both input and feature space. This method includes mixup and manifold mixup as special cases, but it has additional advantages, including better smoothing of decision boundaries and enabling improved model robustness. We provide theory to understand this as well as the implicit regularization effects of NFM. Our theory is supported by empirical results, demonstrating the advantage of NFM, as compared to mixup and manifold mixup. We show that residual networks and vision transformers trained with NFM have favorable trade-offs between predictive accuracy on clean data and robustness with respect to various types of data perturbation across a range of computer vision benchmark datasets.
description: 34 pages
On the ideology of democratic socialism
Creators: name: Pak, Kŭn
Publisher: name: University of British Columbia
Year: 2012

description: Democratic Socialism is said to be the theory of establishing socialism by democratic means, i.e. through gradual changes brought about by the operation of democratic governmental agencies, and hence it has been put in contrast with Communism, i.e. socialism through revolution and dictatorship. Yet, while Communism has been gaining grounds in some important parts of the world today, democratic socialism has lost not only popular support, but also its own self-confidence. It has come, so to speak, to an over-all impasse. The purpose of this thesis is to grasp the nature of this impasse and then to help contribute to its solution through relevant measures. The thesis therefore consists of three parts. Part I deals with the nature of present socialist troubles. It is argued that the root of its troubles lies in that 1) democratic socialists have underrated the importance of political ideology, and 2) the ideology of democratic socialism itself has shortcomings. Part II deals with the ideology of British Socialism in order to have a good understanding of the democratic socialist ideology. The two Fabian Essays are treated here to reveal various shortcomings of British Socialism. It may be said that this part of the thesis consists, in general, of a brief criticism of Fabianism. In Part III we try to come to the core of the ideological defects of democratic socialism. Gradualism, when applied to the Asiatic situation, can be no match against Communism and democratic socialism is impelled to find a way toward new characteristics of its own. It is argued in this Part that the traditional socialist assumptions are no longer adequate to meet the present political situation of the world. In conclusion it is suggested that the problem of freedom, rather than of equality, should be the central issue for democratic socialism. In general the thesis treats democratic socialism in close connection with Communism and this is due to our conviction that Communism seems to be the real enemy of the democratic socialist movement.
Anomalous properties in the low-carrier ordered phase of PrRu4P12: Consequence of hybridization between conduction and Pr 4f electrons
Creators: name: Saha, S. R.
name: Sugawara, H.
name: Namiki, T.
name: Aoki, Y.
name: Sato, H.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: The low-carrier ordered phase below the metal-non-metal transition temperature T_MI ~ 63 K of PrRu4P12 is explored by probing magnetoresistance, magnetic susceptibility, thermoelectric power, and Hall effect on high quality single crystals. All the measured properties exhibit the signature of decimation of the Fermi surface below T_MI and anomalous behaviors below 30 K including a large thermoelectric power ~-200 uV/K and a giant negative magnetoresistance (93% at ~0.4 K). The results indicate an additional structure below 30 K and a semimetal-like ground state. The observed anomalous behaviors are most likely associated with the novel role of c-f hybridization between conduction electrons and Pr 4f electrons, whose crystalline electric field level schemes show drastic change below T_MI.
description: 7 pages, 5 figures
Banded spatiotemporal chaos in sheared nematogenic fluids
Creators: name: Chakraborty, Debarshini
name: Dasgupta, Chandan
name: Sood, A. K.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: We present the results of a numerical study of a model of the hydrodynamics of a sheared nematogenic fluid, taking into account the effects of order parameter stresses on the velocity profile, but allowing spatial variations only in the gradient direction. When parameter values are such that the stress from orientational distortions is comparable to the bare viscous stress, the system exhibits steady states with the characteristics of shear banding. In addition, nonlinearity in the coupling of extensional flow to orientation leads to the appearance of a new steady state in which the features of both spatiotemporal chaos and shear banding are present.
description: 4 pages, 6 figures.(Some of the figures have low resolution so as to fit the requirements of arxiv.)
Un asteroide per la NASA
Creators: Giulia Bonelli
Publisher: name: Media Inaf
Year: 2014

Mentre l’Asteroid Reidrect Mission per catturare e addomesticare un asteroide mette a punto i suoi obiettivi specifici, la comunità scientifica riceve un appello per inviare proposte a supporto della missione. Lo ha appena annunciato la NASA, che metterà a disposizione 6 milioni di dollari per finanziare nuove idee
Distract Your Attention: Multi-head Cross Attention Network for Facial Expression Recognition
Creators: name: Wen, Zhengyao
name: Lin, Wenzhong
name: Wang, Tao
name: Xu, Ge
Publisher: name: arXiv
Year: 2021
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: We present a novel facial expression recognition network, called Distract your Attention Network (DAN). Our method is based on two key observations. Firstly, multiple classes share inherently similar underlying facial appearance, and their differences could be subtle. Secondly, facial expressions exhibit themselves through multiple facial regions simultaneously, and the recognition requires a holistic approach by encoding high-order interactions among local features. To address these issues, we propose our DAN with three key components: Feature Clustering Network (FCN), Multi-head cross Attention Network (MAN), and Attention Fusion Network (AFN). The FCN extracts robust features by adopting a large-margin learning objective to maximize class separability. In addition, the MAN instantiates a number of attention heads to simultaneously attend to multiple facial areas and build attention maps on these regions. Further, the AFN distracts these attentions to multiple locations before fusing the attention maps to a comprehensive one. Extensive experiments on three public datasets (including AffectNet, RAF-DB, and SFEW 2.0) verified that the proposed method consistently achieves state-of-the-art facial expression recognition performance. Code will be made available at https://github.com/yaoing/DAN.
description: Paper appears in Biomimetics 2023, 8(2), 199
Parameter counting in models with global symmetries
Creators: name: Berger, Joshua
name: Grossman, Yuval
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We present rules for determining the number of physical parameters in models with exact flavor symmetries. In such models the total number of parameters (physical and unphysical) needed to described a matrix is less than in a model without the symmetries. Several toy examples are studied in order to demonstrate the rules. The use of global symmetries in studying the minimally supersymmetric standard model (MSSM) is examined.
description: 16 pages
FLAME: tutta un’altra atmosfera
Creators: Davide Coero Borga
Publisher: name: Media Inaf
Year: 2014

Ai Laboratori di Frascati dell’INFN si indagano le interazioni tra laser e gas per nuove applicazioni. Unico nel suo genere, in Italia, Flame potrebbe aiutarci nello studio delle scariche di fulmini, l'analisi del particolato atmosferico a distanza e a differenti altitudini, la comprensione dei meccanismi di interazione laser-atmosfera
title: Ð¢ÐµÑ Ð½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¸Ð¹ Ð¿ÑÐ¾ÑÐµÑÑ Ð¸Ð·Ð³Ð¾ÑÐ¾Ð²Ð»ÐµÐ½Ð¸Ñ Ð´ÐµÑÐ°Ð»Ð¸ Â«ÐÐ¾Ð»ÐµÑÐ¾ Ð·ÑÐ±ÑÐ°ÑÐ¾ÐµÂ»
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
Creators: name: ÐÐµÐ´Ð½ÑÐ¹, ÐÐ¼Ð¸ÑÑÐ¸Ð¹
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2018
Subjects: Ð´ÐµÑÐ°Ð»Ñ
Ð·Ð°Ð³Ð¾ÑÐ¾Ð²ÐºÐ°
Ð¼ÐµÑ Ð°Ð½Ð¸ÑÐµÑÐºÐ°Ñ Ð¾Ð±ÑÐ°Ð±Ð¾ÑÐºÐ°
ÑÐµÐ¶Ð¸Ð¼Ñ ÑÐµÐ·Ð°Ð½Ð¸Ñ
ÑÐ¸ÐºÐ»Ð¾Ð³ÑÐ°Ð¼Ð¼Ð°

description: Ð Ð¿ÐµÑÐ²Ð¾Ð¼ ÑÐ°Ð·Ð´ÐµÐ»Ðµ Ð²ÑÐ¿ÑÑÐºÐ½Ð¾Ð¹ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÑ Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ° Ð¿ÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½Ð° ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° ÑÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¾Ð³Ð¾ Ð¿ÑÐ¾ÑÐµÑÑÐ° Ð¸Ð·Ð³Ð¾ÑÐ¾Ð²Ð»ÐµÐ½Ð¸Ñ Ð´ÐµÑÐ°Ð»Ð¸ Â«ÐÐ¾Ð»ÐµÑÐ¾ Ð·ÑÐ±ÑÐ°ÑÐ¾ÐµÂ»: Ð¿ÑÐ¾Ð°Ð½Ð°Ð»Ð¸Ð·Ð¸ÑÐ¾Ð²Ð°Ð½Ñ Ð¸ÑÑÐ¾Ð´Ð½ÑÐµ Ð´Ð°Ð½Ð½ÑÐµ, Ð¾ÑÑÑÐµÑÑÐ²Ð»ÐµÐ½ Ð²ÑÐ±Ð¾Ñ Ð¼ÐµÑÐ¾Ð´Ð° Ð¿Ð¾Ð»ÑÑÐµÐ½Ð¸Ñ Ð·Ð°Ð³Ð¾ÑÐ¾Ð²ÐºÐ¸, Ð¿ÑÐ¾Ð¸Ð·Ð²ÐµÐ´ÐµÐ½Ð° ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° ÑÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¾Ð³Ð¾ Ð¿ÑÐ¾ÑÐµÑÑÐ° Ð¾Ð±ÑÐ°Ð±Ð¾ÑÐºÐ¸ Ð´ÐµÑÐ°Ð»Ð¸, Ð²ÑÐ±Ð¾Ñ Ð¾Ð±Ð¾ÑÑÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ, ÑÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¾Ð¹ Ð¾ÑÐ½Ð°ÑÑÐºÐ¸, ÑÐµÐ¶ÑÑÐµÐ³Ð¾ Ð¸ Ð²ÑÐ¿Ð¾Ð¼Ð¾Ð³Ð°ÑÐµÐ»ÑÐ½Ð¾Ð³Ð¾ Ð¸Ð½ÑÑÑÑÐ¼ÐµÐ½ÑÐ°, ÑÐ°ÑÑÑÐ¸ÑÐ°Ð½Ñ ÑÐµÐ¶Ð¸Ð¼Ñ ÑÐµÐ·Ð°Ð½Ð¸Ñ Ð´Ð»Ñ Ð¾Ð¿ÐµÑÐ°ÑÐ¸Ð¹, ÑÐ°ÑÑÑÐ¸ÑÐ°Ð½Ñ Ð½Ð¾ÑÐ¼Ñ Ð²ÑÐµÐ¼ÐµÐ½Ð¸ Ð´Ð»Ñ Ð¾Ð¿ÐµÑÐ°ÑÐ¸Ð¹ Ð¸ ÑÑÐ¾ÑÐ¼Ð¸ÑÐ¾Ð²Ð°Ð½ ÐºÐ¾Ð¼Ð¿Ð»ÐµÐºÑ ÑÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¾Ð¹ Ð´Ð¾ÐºÑÐ¼ÐµÐ½ÑÐ°ÑÐ¸Ð¸.
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Ð ÑÑÐµÑÑÐµÐ¼ ÑÐ°Ð·Ð´ÐµÐ»Ðµ Ð²ÑÐ¿ÑÑÐºÐ½Ð¾Ð¹ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÑ Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ° Ð¿ÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½ Ð°Ð»Ð³Ð¾ÑÐ¸ÑÐ¼ Ð¿ÑÐ¾ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ Ð·Ð°Ð³ÑÑÐ·Ð¾ÑÐ½Ð¾-ÑÐ°Ð·Ð³ÑÑÐ·Ð¾ÑÐ½Ð¾Ð³Ð¾ ÑÑÑÑÐ¾Ð¹ÑÑÐ²Ð° Ð´Ð»Ñ Ð°Ð²ÑÐ¾Ð¼Ð°ÑÐ¸Ð·Ð°ÑÐ¸Ð¸ ÑÐ¾ÑÐµÐ½Ð¸Ñ Ð¿ÑÐ¾ÑÐ¾ÑÐºÐ¸ Ð½Ð° Ð´ÐµÑÐ°Ð»Ð¸ ÑÐ¸Ð¿Ð° Â«ÐÐ°Ð²Ð»Ð¸ÐºÐ°Â»: Ð¿ÑÐ¾Ð¸Ð·Ð²ÐµÐ´ÐµÐ½ ÑÑÐ°Ð²Ð½Ð¸ÑÐµÐ»ÑÐ½ÑÐ¹ Ð°Ð½Ð°Ð»Ð¸Ð· Ð½ÐµÑÐºÐ¾Ð»ÑÐºÐ¸Ñ ÑÑÑÑÐºÑÑÑÐ½ÑÑ ÑÑÐµÐ¼ Ð·Ð°Ð³ÑÑÐ·Ð¾ÑÐ½ÑÑ ÑÑÑÑÐ¾Ð¹ÑÑÐ², ÑÐ°ÑÑÑÐ¸ÑÐ°Ð½Ñ Ð³ÐµÐ¾Ð¼ÐµÑÑÐ¸ÑÐµÑÐºÐ¸Ðµ Ð¿Ð°ÑÐ°Ð¼ÐµÑÑÑ Ð¿ÑÐ¾ÐµÐºÑÐ¸ÑÑÐµÐ¼Ð¾Ð³Ð¾ ÑÑÑÑÐ¾Ð¹ÑÑÐ²Ð°, ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½Ð° ÑÑÐµÐ¼Ð° Ð¼ÐµÑÐ°Ð½Ð¸Ð·Ð¼Ð° Ð¿Ð¾ÑÑÑÑÐ½Ð¾Ð¹ Ð²ÑÐ´Ð°ÑÐ¸ Ð¸ Ð¾ÑÑÑÐµÑÑÐ²Ð»ÐµÐ½ Ð²ÑÐ±Ð¾Ñ Ð¿ÑÐ¸Ð²Ð¾Ð´Ð° Ð´Ð¾ÑÑÐ»Ð°ÑÐµÐ»Ñ, Ð° ÑÐ°ÐºÐ¶Ðµ Ð²ÑÐ±ÑÐ°Ð½ Ð¼ÐµÑÐ°Ð½Ð¸Ð·Ð¼ ÑÐ±Ð¾ÑÐ° Ð³Ð¾ÑÐ¾Ð²ÑÑ Ð¸Ð·Ð´ÐµÐ»Ð¸Ð¹, ÐºÑÐ¾Ð¼Ðµ ÑÐ¾Ð³Ð¾ Ð±ÑÐ»Ð° Ð¿Ð¾ÑÑÑÐ¾ÐµÐ½Ð° ÑÐ¸ÐºÐ»Ð¾Ð³ÑÐ°Ð¼Ð¼Ð° ÑÐ°Ð±Ð¾ÑÑ Ð·Ð°Ð³ÑÑÐ·Ð¾ÑÐ½Ð¾-ÑÐ°Ð·Ð³ÑÑÐ·Ð¾ÑÐ½Ð¾Ð³Ð¾ ÑÑÑÑÐ¾Ð¹ÑÑÐ²Ð°.
Revealing New Physics in $B^0_s\to D_s^\mp K^\pm$ Decays
Creators: name: Fleischer, Robert
name: Malami, Eleftheria
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: The $B^0_s\to D_s^\mp K^\pm$ system offers a determination of the Unitarity Triangle angle $γ$. Intrigued by an LHCb analysis showing a surprisingly large result in tension with information on the Unitarity Triangle and other $γ$ measurements, we make a transparent study of the measured observables, confirming the LHCb picture. The corresponding $γ$ puzzle at the $3σ$ level would require CP-violating contributions of New Physics, which should also manifest themselves in the corresponding decay branching ratios. Indeed, we find that the rates of the individual $B^0_s\to D_s^\mp K^\pm$ channels show puzzling patterns, in accordance with similar decays, with tensions up to $4.8σ$, thereby making the situation much more exciting. We present a formalism to include New-Physics effects in a model-independent way and apply it to the data to constrain the corresponding parameters. Interestingly, new contributions of moderate size could accommodate the data. Utilising this formalism in the future high-precision $B$ physics era may allow us to finally establish new sources of CP violation.
description: 16 pages, 4 figures. The current version matches the published one
title: ÐÐ²ÑÐ¾ÑÑÐ°ÐºÑÐ¾ÑÐ½ÑÐ¹ Ð´Ð²Ð¸Ð³Ð°ÑÐµÐ»Ñ Ð¼Ð¾ÑÐ½Ð¾ÑÑÑÑ Ne= 300 ÐºÐÑ
title: Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÑÐºÐ°Ñ ÑÐ°Ð±Ð¾ÑÐ°
titleType: Subtitle
Creators: name: Ð¡Ð°Ð¸Ð½Ð¾Ð²Ð°, ÐÐ¸Ð°Ð½Ð°
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2017
Subjects: Ð°Ð²ÑÐ¾ÑÑÐ°ÐºÑÐ¾ÑÐ½ÑÐ¹ Ð´Ð²Ð¸Ð³Ð°ÑÐµÐ»Ñ
ÑÐ°Ð±Ð¾ÑÐ¸Ð¹ Ð¿ÑÐ¾ÑÐµÑÑ
Ð¿ÑÐ¾ÑÐ½Ð¾ÑÑÐ½ÑÐµ ÑÐ°ÑÑÐµÑÑ
ÑÑÐ°Ð²Ð½Ð¾Ð²ÐµÑÐµÐ½Ð½Ð¾ÑÑÑ

description: Ð Ð´Ð°Ð½Ð½Ð¾Ð¹ Ð´Ð¸Ð¿Ð»Ð¾Ð¼Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ Ð¿ÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½Ð° Ð¸Ð½ÑÐ¾ÑÐ¼Ð°ÑÐ¸Ñ Ð¾ ÑÐµÐ»ÐµÑÐ¾Ð¾Ð±ÑÐ°Ð·Ð½Ð¾ÑÑÐ¸ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ¸ Ð¸ Ð¾Ð±Ð¾ÑÐ½Ð¾Ð²Ð°Ð½Ð¸Ñ ÐºÐ¾Ð½ÑÑÑÑÐºÑÐ¸Ð¸ Ð°Ð²ÑÐ¾ÑÑÐ°ÐºÑÐ¾ÑÐ½Ð¾Ð³Ð¾ Ð´Ð²Ð¸Ð³Ð°ÑÐµÐ»Ñ. Ð Ð¿ÑÐ¾ÑÐµÑÑÐµ Ð¿ÑÐ¾ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ Ð¿ÑÐ¾Ð²ÐµÐ´ÐµÐ½Ñ ÑÐ°ÑÑÑÑ ÑÐ°Ð±Ð¾ÑÐµÐ³Ð¾ Ð¿ÑÐ¾ÑÐµÑÑÐ° Ð´Ð²Ð¸Ð³Ð°ÑÐµÐ»Ñ, Ð¿Ð¾ Ð´Ð°Ð½Ð½ÑÐ¼ ÑÑÐ¾Ð³Ð¾ ÑÐ°ÑÑÑÑÐ° Ð¿ÑÐ¾Ð²ÐµÐ´ÑÐ½ Ð´Ð¸Ð½Ð°Ð¼Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ°ÑÑÑÑ ÐÐ¨Ð, ÑÐ´ÐµÐ»Ð°Ð½Ñ Ð²ÑÐ²Ð¾Ð´Ñ Ð¾Ð± ÑÑÐ°Ð²Ð½Ð¾Ð²ÐµÑÐµÐ½Ð½Ð¾ÑÑÐ¸ Ð´Ð²Ð¸Ð³Ð°ÑÐµÐ»Ñ. ÐÐ¾Ð¼Ð¸Ð¼Ð¾ ÑÑÐ¾Ð³Ð¾, Ð±ÑÐ»Ð¸ Ð¿ÑÐ¾Ð²ÐµÐ´ÐµÐ½Ñ ÑÐ°ÑÑÐµÑÑ Ð½Ð° Ð¿ÑÐ¾ÑÐ½Ð¾ÑÑÑ Ð¾ÑÐ½Ð¾Ð²Ð½ÑÑ Ð´ÐµÑÐ°Ð»ÐµÐ¹, Ð° Ð¸Ð¼ÐµÐ½Ð½Ð¾: ÐºÐ¾Ð»ÐµÐ½ÑÐ°ÑÐ¾Ð³Ð¾ Ð²Ð°Ð»Ð°, ÑÐ°ÑÑÐ½Ð°, ÑÐ°ÑÑÐ½Ð½ÑÑ Ð±Ð¾Ð»ÑÐ¾Ð², Ð¿Ð¾ÑÑÐ½ÐµÐ²Ð¾Ð³Ð¾ Ð¿Ð°Ð»ÑÑÐ° Ð¸ Ð¿Ð¾ÑÑÐ½ÐµÐ²Ð¾Ð³Ð¾ ÐºÐ¾Ð»ÑÑÐ°. Ð Ð¿Ð¾ÑÑÐ½Ð¸ÑÐµÐ»ÑÐ½Ð¾Ð¹ Ð·Ð°Ð¿Ð¸ÑÐºÐµ ÑÐ°ÑÐºÑÑÑÑ ÑÐµÐ¼Ñ Ð¾Ð± Ð¸ÑÑÐ¾ÑÐ¸Ð¸ ÑÐ¾Ð·Ð´Ð°Ð½Ð¸Ñ Ð´Ð¸Ð·ÐµÐ»ÑÐ½ÑÑ Ð´Ð²Ð¸Ð³Ð°ÑÐµÐ»ÐµÐ¹, Ð¿ÑÐ¾Ð²ÐµÐ´ÑÐ½ Ð°Ð½Ð°Ð»Ð¸Ð· ÑÐ¾ÑÑÐ¾ÑÐ½Ð¸Ñ Ð¸ ÑÐµÐ½Ð´ÐµÐ½ÑÐ¸Ð¹ ÑÐ°Ð·Ð²Ð¸ÑÐ¸Ñ, Ð¾Ð¿Ð¸ÑÐ°Ð½Ñ ÑÑÐµÐ±Ð¾Ð²Ð°Ð½Ð¸Ñ, Ð¿ÑÐµÐ´ÑÑÐ²Ð»ÑÐµÐ¼ÑÐµ Ðº Ð´Ð°Ð½Ð½Ð¾Ð¼Ñ ÑÐ¸Ð¿Ñ Ð´Ð²Ð¸Ð³Ð°ÑÐµÐ»ÐµÐ¹, Ð¾Ð±Ð¾ÑÐ½Ð¾Ð²Ð°Ð½Ð¸Ðµ Ð¸ Ð²ÑÐ±Ð¾Ñ Ð¿ÑÐ¾ÑÐ¾ÑÐ¸Ð¿Ð°. Ð Ð·Ð°ÐºÐ»ÑÑÐµÐ½Ð¸Ðµ Ð¿ÑÐ¸Ð²ÐµÐ´ÐµÐ½Ñ Ð°ÑÐ³ÑÐ¼ÐµÐ½ÑÑ Ð² Ð¿Ð¾Ð»ÑÐ·Ñ Ð¿Ð¾Ð´ÑÐ²ÐµÑÐ¶Ð´ÐµÐ½Ð¸Ñ ÑÐµÐ»ÐµÑÐ¾Ð¾Ð±ÑÐ°Ð·Ð½Ð¾ÑÑÐ¸ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ²Ð° Ð¸ ÑÐºÑÐ¿Ð»ÑÐ°ÑÐ°ÑÐ¸Ð¸ Ð²ÑÐ±ÑÐ°Ð½Ð½Ð¾Ð³Ð¾ Ð´Ð²Ð¸Ð³Ð°ÑÐµÐ»Ñ.
La prima mappa termica di Vesta
Creators: Eleonora Ferroni
Publisher: name: Media Inaf
Year: 2014

Per la prima volta un gruppo di ricercatori ha analizzato la proprietà termiche dei materiali che compongono la superficie dell'asteroide più brillante della fascia principale. Maria Teresa Capria, ricercatrice dello IAPS di Roma, ha detto che c'è "una differenza nelle proprietà termiche della superficie che si può spiegare con la diversa età geologica o con processi diversi che possono aver alterato la superficie".
Un UFO? No, è Sirio
Creators: Marco Galliani
Publisher: name: Media Inaf
Year: 2014

Vi è mai capitato di vedere un punto luminoso nel cielo cambiare rapidissimamente colore, come se fosse una trottola scintillante o, più audacemente, un oggetto volante non identificato? State tranquilli, quasi certamente è una stella, la cui luce viene 'shakerata' dall'atmosfera terrestre.
FedSpeech: Federated Text-to-Speech with Continual Learning
Creators: name: Jiang, Ziyue
name: Ren, Yi
name: Lei, Ming
name: Zhao, Zhou
Publisher: name: arXiv
Year: 2021
Subjects: subject: Audio and Speech Processing (eess.AS)
subject: Sound (cs.SD)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Computer and information sciences

description: Federated learning enables collaborative training of machine learning models under strict privacy restrictions and federated text-to-speech aims to synthesize natural speech of multiple users with a few audio training samples stored in their devices locally. However, federated text-to-speech faces several challenges: very few training samples from each speaker are available, training samples are all stored in local device of each user, and global model is vulnerable to various attacks. In this paper, we propose a novel federated learning architecture based on continual learning approaches to overcome the difficulties above. Specifically, 1) we use gradual pruning masks to isolate parameters for preserving speakers' tones; 2) we apply selective masks for effectively reusing knowledge from tasks; 3) a private speaker embedding is introduced to keep users' privacy. Experiments on a reduced VCTK dataset demonstrate the effectiveness of FedSpeech: it nearly matches multi-task training in terms of multi-speaker speech quality; moreover, it sufficiently retains the speakers' tones and even outperforms the multi-task training in the speaker similarity experiment.
description: Accepted by IJCAI 2021
Microwave stabilization of edge transport and zero-resistance states
Creators: name: Chepelianskii, A. D.
name: Shepelyansky, D. L.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Edge channels play a crucial role for electron transport in two dimensional electron gas under magnetic field. It is usually thought that ballistic transport along edges occurs only in the quantum regime with low filling factors. We show that a microwave field can stabilize edge trajectories even in the semiclassical regime leading to a vanishing longitudinal resistance. This mechanism gives a clear physical interpretation for observed zero-resistance states.
Modeling of 2D and 3D Assemblies Taking Into Account Form Errors of Plane Surfaces
Creators: name: Samper, Serge
name: Adragna, Pierre-Antoine
name: Favreliere, Hugues
name: Pillet, Maurice
Publisher: name: arXiv
Year: 2010
Subjects: subject: Other Computer Science (cs.OH)
subject: FOS: Computer and information sciences

description: The tolerancing process links the virtual and the real worlds. From the former, tolerances define a variational geometrical language (geometric parameters). From the latter, there are values limiting those parameters. The beginning of a tolerancing process is in this duality. As high precision assemblies cannot be analyzed with the assumption that form errors are negligible, we propose to apply this process to assemblies with form errors through a new way of allowing to parameterize forms and solve their assemblies. The assembly process is calculated through a method of allowing to solve the 3D assemblies of pairs of surfaces having form errors using a static equilibrium. We have built a geometrical model based on the modal shapes of the ideal surface. We compute for the completely deterministic contact points between this pair of shapes according to a given assembly process. The solution gives an accurate evaluation of the assembly performance. Then we compare the results with or without taking into account the form errors. When we analyze a batch of assemblies, the problem is to compute for the nonconformity rate of a pilot production according to the functional requirements. We input probable errors of surfaces (position, orientation, and form) in our calculus and we evaluate the quality of the results compared with the functional requirements. The pilot production then can or cannot be validated.
Acqua dentro la Luna? Non è detto
Creators: Giulia Bonelli
Publisher: name: Media Inaf
Year: 2014

Dalla missione Apollo 14 fino a oggi, la teoria secondo cui sulla Luna ci sarebbero tracce di acqua si è affermata con forza sempre maggiore. Ma le prove sono davvero così schiaccianti? Secondo un nuovo studio pubblicato su Nature, la risposta è no. Il commento di Jeremy Boyce, prima firma dell’articolo
Cosmic Strings and Cosmic Superstrings
Creators: name: Sakellariadou, Mairi
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In these lectures, I review the current status of cosmic strings and cosmic superstrings. I first discuss topological defects in the context of Grand Unified Theories, focusing in particular in cosmic strings arising as gauge theory solitons. I discuss the reconciliation between cosmic strings and cosmological inflation, I review cosmic string dynamics, cosmic string thermodynamics and cosmic string gravity, which leads to a number of interesting observational signatures. I then proceed with the notion of cosmic superstrings arising at the end of brane inflation, within the context of brane-world cosmological models inspired from string theory. I discuss the differences between cosmic superstrings and their solitonic analogues, I review our current understanding about the evolution of cosmic superstring networks, and I then briefly describe the variety of observational consequences, which may help us to get an insight into the stringy description of our Universe.
description: 23 pages, 14 figures; Invited Lectures presented at the 2008 Cargese Summer School "Theory and Particle Physics: the LHC perspective and beyond"
L’INAF alla Fiera del Libro per Ragazzi
Creators: Francesca Aloisio
Publisher: name: Media Inaf
Year: 2014

Sarà una settimana interamente dedicata ai bambini quella da sabato 22 Marzo a giovedì 27 Marzo che impegnerà l’INAF­ - Osservatorio Astronomico di Bologna e la SOFOS­ Associazione per la Divulgazione delle Scienze
Balle di Scienza
Creators: Redazione Media Inaf
Publisher: name: Media Inaf
Year: 2014

Balle di Scienza, storie di errori prima e dopo Galileo. Si intitola così la mostra inaugurata a Pisa, città natale di Galileo Galilei. Promossa dall'Istituto Nazionale di Fisica Nucleare, dalla Scuola Normale Superiore e l'Università di Pisa, in collaborazione con Palazzo Blu, sarà visitabile dal 22 marzo al 28 giugno