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math.FA2022
Applications of Lax-Milgram theorem to problems in frame theory
Laura De Carli, Pierluigi Vellucci
We apply Lax-Milgram theorem to characterize scalable and piecewise scalable frame in finite and infinite-dimensional Hilbert spaces. We also introduce a method for approximating t…
econ.GN2022
Network analysis and Eurozone trade imbalances
Giovanni Carnazza, Pierluigi Vellucci
European Monetary Union continues to be characterised by significant macroeconomic imbalances. Germany has shown increasing current account surpluses at the expense of the other me…