A non-conforming dual approach for adaptive Trust-Region reduced basis approximation of PDE-constrained parameter optimizationTim Keil, Luca Mechelli, Mario Ohlberger, Felix Schindler and Stefan VolkweinESAIM: M2AN, 55 3 (2021) 1239-1269DOI: https://doi.org/10.1051/m2an/2021019
