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Cultural institutions as agents of urban and community regeneration in the (post-)pandemic city. The case of the «Laboratorio Zen Insieme» in Palermo

2022

Although all cities in the world have been affected by the COVID-19 pandemic, its impacts on the territories, yet to be understood, are unevenly distributed, revealing extremely varied imbalances depending on the places. However, it is clear that the virus and its variants have aggravated pre-existing socio-spatial inequalities, creating new ones and bringing attention back to those implications between space, planning, public health and citizenship that are at the origins of contemporary urbanism. In a reference framework in which the crisis is globalized but unequal and in the absence of a welfare system capable of responding to the urgencies of the most marginalized social contexts and g…

Olsen 2018Settore ICAR/21 - UrbanisticaSettore M-GGR/01 - GeografiaSacco and Blessi 2009). In the current (post-) pandemic context and through the lens of a southern European perspective the purpose of this article is to critically reflect about the role of culture as possible vehicle of urban and community regeneration. In particular we will focus on the activities of the no profit organization «Laboratorio Zen Insieme» in ZEN2 one of the last large popular and peripheral neighborhoods built in Palermo at the end of 80s in order to explore and understand how cultural practices work as agent of urban and social transformation capable of addressing emerging issues especially in the pandemic scenario we are experiencing. Thecasestudy has been conducted through analysis of documents participative observations (Honer and Hitzler 2015) and qualitative in-depth interviews with key actors involved in the conception organization and management of the activities carried out by Laboratorio Zen Insieme with representatives of local institutions and non-formal conversations with participants of the workshops heldin the neighborhood. The experience we narrate finds that cultural practices have re-conceptualized their design and functions as strategies of urban and community regeneration and at the same time have contributed to answer to emergent issues in developing proximity and local based strategies facing up to problems inherent civil rights educationalpoverty socio-spatial justice and have changed the image and identity of urban places they inhabit.In this sense the research provides a framework for development of strategies and legitimization for cultural practices and a point of discussionabouttheirrolein urban development.Although all cities in the world have been affected by the COVID-19 pandemic its impacts on the territories yet to be understood are unevenly distributed revealing extremely varied imbalances depending on the places. However it is clear that the virus and its variants have aggravated pre-existing socio-spatial inequalities creating new ones and bringing attention back to those implications between space planning public health and citizenship that are at the origins of contemporary urbanism. In a reference framework in which the crisis is globalized but unequal and in the absence of a welfare system capable of responding to the urgencies of the most marginalized social contexts and groups a response to the new social and individual needs has been offered by cultural institutions that play a role of territorial agency often independently or in the absence of political institutions. Far from the idea of entertainment and divertissement it is in fact increasingly clear how the practices of cultural innovation experimenting with various forms of action and participation can in some cases play a fundamental role in the processes of social cohesion and community building representing an antidote to the worsening of the phenomena of marginalization and socio-spatial inequalities within cities and territories (Colantonio and Dixon 2011
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Opportunities and pitfalls related to e-commerce strategies in small-medium firms: A system dynamics approach

2002

E-commerce is often perceived as a powerful lever to foster growth of SMEs. However, both the literature and empirical evidence have shown the perils hidden in superficial decision making by SME entrepreneurs. A system dynamics (SD) approach is used in this article to demonstrate how managing processes of accumulation and depletion of strategic assets, detecting inertial effects of decisions made in the past, and selectively acting on policy levers are likely to help entrepreneurs in understanding opportunities and pitfalls related to e-commerce strategies. A feedback analysis of three case studies selected from the literature and the main findings from a survey conducted by the authors on …

Operations researchbusiness.industryManagement of Technology and InnovationStrategy and ManagementFeedback analysisEconomicse-commerce strategy small–medium firms entrepreneur system dynamicsE-commercebusinessEmpirical evidenceSocial Sciences (miscellaneous)Industrial organizationSystem dynamics
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IOWA Operators and Its Application to Image Retrieval

2014

This paper presents a relevance feedback procedure based on logistic regression analysis. Since, the dimension of the feature vector associated to each image is typically larger than the number of evaluated images by the user, different logistic regression models have to be fitted separately. Each fitted model provides us with a relevance probability and a confidence interval for that probability. In order to aggregate these set of probabilities and confidence intervals we use an IOWA operator. The results will show the success of our algorithm and that OWA operators are an efficient and natural way of dealing with this kind of fusion problems.

Operator (computer programming)Feature vectorRelevance feedbackRelevance (information retrieval)Data miningLogistic regressioncomputer.software_genreContent-based image retrievalcomputerImage retrievalConfidence intervalMathematics
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Bidirectional laser cavity solitons

2007

Cavity solitons in optical systems have been studied for two decades in a large variety of optical systems. In principle, bidirectional lasers can emit only unidirectionally in steady state, as the two-mode solution (non null steady state in the two possible emission directions) is an unstable solution (winner-takes-all competition prevents the bidirectional cw emission). But for a wide aperture cavity this is not necessarily true as, in different regions of the transverse (with respect to the propagation axis) direction, emission in different propagation directions could occur if the fronts separating these domains are stable. In fact this is exactly what happens when the cavity losses for…

Optical amplifierPhysicsDistributed feedback laserSteady state (electronics)business.industryPhysics::OpticsLaserNull (physics)law.inventionTransverse planeOpticslawOptical cavitybusiness
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Simultaneous remote extraction of multiple speech sources and heart beats from secondary speckles pattern

2009

The ability of dynamic extraction of remote sounds is very appealing. In this manuscript we propose an optical approach allowing the extraction and the separation of remote sound sources. The approach is very modular and it does not apply any constraints regarding the relative position of the sound sources and the detection device. The optical setup doing the detection is very simple and versatile. The principle is to observe the movement of the secondary speckle patterns that are generated on top of the target when it is illuminated by a spot of laser beam. Proper adaption of the imaging optics allows following the temporal trajectories of those speckles and extracting the sound signals ou…

Optics and PhotonicsSound SpectrographyTime FactorsBackscatterComputer scienceComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISIONImage processingBlind signal separationSpeech AcousticsSpeckle patternOpticsPosition (vector)HumansScattering RadiationComputer SimulationModels StatisticalFourier AnalysisPixelbusiness.industrySignal Processing Computer-AssistedEquipment DesignMyocardial ContractionAtomic and Molecular Physics and OpticsNeural Networks ComputerbusinessPhase modulationAlgorithmsSoftwareOptics Express
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Implementation to Back-Projection Techniques of Resistivity Data

2005

In order to obtain well contrasted images by back-projection of resistivity data some modifications to the back-projection algorithm as well as the use of filtering techniques for the sensitivity matrix were proposed (Kotre 1994; Cosentino et al. 1998). To further improve the back-projection algorithm a new implementation is here suggested. Besides a subsequent filtering algorithm of the sensitivity coefficient matrix is proposed. It is aimed to increase resistivity contrasts and to reduce smoothness in tomographic final representation. Finally the proposed technique is tested on synthetic data.

OpticsElectrical resistivity and conductivitybusiness.industrySettore GEO/11 - Geofisica ApplicatabusinessBack-projection resistivity tomographyBack projectionGeologyNear Surface 2005 - 11th European Meeting of Environmental and Engineering Geophysics
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Backscatter and Transmission through a Lead Shield Used in Surface and Interstitial HDR Brachytherapy

2014

OpticsOncologyTransmission (telecommunications)Backscatterbusiness.industrymedicine.medical_treatmentShieldBrachytherapyLead (sea ice)MedicineRadiology Nuclear Medicine and imagingbusinessBrachytherapy
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Optimal design of complex passive-damping systems for vibration control of large structures: An energy-to-peak approach

2014

Published version of an article in the journal: Abstract and Applied Analysis. Also available from the publisher at: http://dx.doi.org/10.1155/2014/510236 Open Access We present a new design strategy that makes it possible to synthesize decentralized output-feedback controllers by solving two successive optimization problems with linear matrix inequality (LMI) constraints. In the initial LMI optimization problem, two auxiliary elements are computed: a standard state-feedback controller, which can be taken as a reference in the performance assessment, and a matrix that facilitates a proper definition of the main LMI optimization problem. Next, by solving the second optimization problem, the …

Optimal designOptimization problemArticle Subject:Informàtica::Automàtica i control [Àrees temàtiques de la UPC]Vibration controlEdificis -- Vibració:Enginyeria civil::Materials i estructures [Àrees temàtiques de la UPC]Design strategyFeedback control systemsAnalysis; Applied MathematicsVDP::Mathematics and natural science: 400::Mathematics: 410::Analysis: 411DamperControl d'estructures (Enginyeria):93 Systems Theory; Control [Classificació AMS]Control theoryRobustness (computer science)ControlBuildings -- VibrationMathematics:93 Systems Theory [Classificació AMS]lcsh:MathematicsApplied MathematicsLinear matrix inequalitylcsh:QA1-939Sistemes de control per retroaccióBuildings--VibrationSeismic protectionStructural control (Engineering)Analysis
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Correlation, hierarchies, and networks in financial markets

2010

We discuss some methods to quantitatively investigate the properties of correlation matrices. Correlation matrices play an important role in portfolio optimization and in several other quantitative descriptions of asset price dynamics in financial markets. Specifically, we discuss how to define and obtain hierarchical trees, correlation based trees and networks from a correlation matrix. The hierarchical clustering and other procedures performed on the correlation matrix to detect statistically reliable aspects of the correlation matrix are seen as filtering procedures of the correlation matrix. We also discuss a method to associate a hierarchically nested factor model to a hierarchical tre…

Organizational Behavior and Human Resource ManagementEconomics and EconometricsPhysics - Physics and SocietyCorrelation based networkKullback–Leibler divergenceStability (learning theory)FOS: Physical sciencesKullback–Leibler distancePhysics and Society (physics.soc-ph)computer.software_genreHierarchical clusteringFOS: Economics and businessCorrelationMultivariate analysis Hierarchical clustering Correlation based networks Bootstrap validation Factor models Kullback–Leibler distancePortfolio Management (q-fin.PM)Bootstrap validationQuantitative Finance - Portfolio ManagementMathematicsFactor analysisStatistical Finance (q-fin.ST)Covariance matrixMultivariate analysiQuantitative Finance - Statistical FinanceHierarchical clusteringFactor modelTree (data structure)Physics - Data Analysis Statistics and ProbabilityData miningPortfolio optimizationcomputerData Analysis Statistics and Probability (physics.data-an)
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LES VARIATIONS DU NIVEAU MARIN SUR LE BASSIN DE PARIS AU BATHONIEN-CALLOVIEN. IMPACTS SUR LES COMMUNAUTÉS BENTHIQUES ET SUR L'ÉVOLUTION DES ORNITHELL…

1992

The study deals with the biological impacts of sea-Ievel changes on evolution of a Jurassic benthic fossil group (Ornithellida, Brachiopoda). The different time and scale at which the shifts in marine environments occur leads to the recognition of three interacting dynamic systems: environmental, communities, populations dynamics. The analysis is thus divided into a three steps hierarchy: sequence stratigraphy, analysis of the diversity of brachiopod assemblages, and analysis of morphological variations within omithellid populations. Sequence stratigraphy of the Dogger marly and carbonate successions in the Paris basin provides accurate correlations of depositional environments from shallow…

Ornithellidssequence stratigraphyJurassique moyenbrachiopodes[SDU.STU]Sciences of the Universe [physics]/Earth SciencescyclesdiversityMiddle Jurassiccarbonate platformmorphologydiversitérétroaction taphonomiqueOrnithellidéscontraintes écologiques et historiquestaphonomic feedbackbiostratigraphie[ SDU.STU ] Sciences of the Universe [physics]/Earth SciencesParis basinStratigraphie séquentielleplateforme carbonatéemorphologie[SDU.STU] Sciences of the Universe [physics]/Earth Sciencesecologieal and historical constraintsbassin de Parisbiostratigraphybrachiopods
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