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Gli anni Settanta dei festival, alla ricerca del popolare

Sintetico excursus degli anni Settanta come vera e propria «civiltà teatrale», spartiacque fra un prima e un dopo del teatro a livello non solo italiano, ma internazionale

Impact of renewable energy communities on the Italian day-ahead electricity market: A scenario analysis

This paper evaluates the economic impact of Renewable Energy Communities (RECs) on the Italian wholesale electricity market. First, existing and emerging RECs in Italy are mapped to identify their installed capacity, membership composition, renewable technology mix, and geographical distribution across market zones. Second, this mapping is used to simulate energy injection and self-consumption profiles through a bottom-up engineering model for representative categories of REC members, includi...

Mechanochemistry-Accessed MOF Polymorphism Revealed by an Integrated 3DED/DFT-Assisted Rietveld Analysis

A combined 3DED, plane-wave DFT, and Rietveld refinement workflow uncovers the first example of interlayer-twisting polymorphism in a pillared MOF. While the parent material, PUM198, a Zn-based mixed-ligand MOF, was previously synthesized under solvothermal conditions, mechanochemistry selectively affords a new polymorph, PUM198-m. Although the two phases share identical composition and connectivity, they differ in symmetry, layer arrangement, pore architecture, and topology. Accessible only ...

I vincenti e i perdenti dell’innovazione tecnologica

A partire dalle intuizioni di Joseph A. Schumpeter, il presente contributo propone una lettura “macro” che articola innovazione, cicli economici e cicli egemonici, con l’obiettivo di descrivere le dinamiche innescate dallo sviluppo e il loro impatto sul lavoro. Secondo Schumpeter, le grandi innovazioni producono sempre distruzione creatrice che rende, da un lato, appetibili le nuove tecnologie ma genera, dall’altro resistenze e opposizione, “vincenti” e “perdenti” dell’innovazione tecnologica...

Mixed boundary value problems for hyperbolic equations and boundary element approximation

The solution to the elastodynamic equations with mixed boundary conditions exhibits a singular behavior where the boundary conditions change. We obtain detailed expansions of the singularities of the Dirichlet trace of the solution and the traction on the boundary. The results imply quasi-optimal estimates for piecewise polynomial approximations. The results are applied to hp and graded versions of the time domain boundary element method. Numerical examples illustrate the theoretical res...

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