[1] 
S. Gratton, V. Mercier, E. Riccietti & Ph. Toint, Frequency aware training of PhysicsInformed Neural Networks: a multilevel approach in Journée d'équipe EMS, Université d'Orleans, 12/09/2024.

[2] 
V. Mercier, E. Riccietti, S. Gratton & P. Toint, Multilevel Physics Informed Neural Networks (MPINNs) in Journées SMAI MODE 2022, Limoges, 30/05/202203/06/2022.

[3] 
V. Mercier, E. Riccietti, S. Gratton & P. Toint, Multilevel PINNs (MPINNs) in Crunch seminar, Brown university, 20/05/2022.

[4] 
E. Riccietti, V. Mercier & S. Gratton, Multilevel PINNS for PDEs in 13th JLESC Workshop, 14/12/202116/12/2021.

[5] 
H. Calandra, S. Gratton, E. Riccietti & X. Vasseur, A multilevel training method for ANNs Application to PDEs solution in Computational Science Engineering, Data Science and Artificial Intelligence by Total R&D (MATHIAS), Serris, France, 14/10/201917/10/2019.

[6] 
H. Calandra, S. Gratton, E. Riccietti & X. Vasseur, Multilevel optimization methods for the training of artificial neural networks in FGS conference, Nice, France, 17/09/201920/09/2019 .

[7] 
H. Calandra, S. Gratton, E. Riccietti & X. Vasseur, Highorder multilevel optimization methods and training of artificial neural networks in ICCOPT conference, Berlin, Germany, 05/08/201908/08/2019 .

[8] 
H. Calandra, S. Gratton, E. Riccietti & X. Vasseur, Solution of PDEs by Multilevel Artificial Neural Networks in OBA summer school, Veroli, Italy., 30/06/201906/07/2019 .

[9] 
H. Calandra, S. Gratton, E. Riccietti & X. Vasseur, Highorder multilevel optimization methods and training of artificial neural networks in 2nd IMA and OR Society Conference,Birmingham, UK, 25/04/201926/04/2019 .

[10] 
H. Calandra, S. Gratton, E. Riccietti & X. Vasseur, Highorder multilevel optimization strategies and their application to the training of artificial neural networks in Seminar SPOT, Toulouse, France, 11/03/2019 .

[11] 
H. Calandra, S. Gratton, E. Riccietti & X. Vasseur, Highorder multilevel optimization strategies and their application to the training of artificial neural networks in Seminar at University of Manchester, UK, 06/11/2018.

[12] 
H. Calandra, S. Gratton, E. Riccietti & X. Vasseur, Multilevel optimization strategies for the training of ANNs and application to the solution of PDEs in MATHIAS 2018, Serris, France, 22/10/201824/10/2018.

[13] 
H. Calandra, S. Gratton, E. Riccietti & X. Vasseur, Artificial Neural Networks : scalable optimization methods for largescale training problems in EURO 2018, Valencia, Spain, 08/07/201811/07/2018.

[14] 
H. Calandra, S. Gratton, E. Riccietti & X. Vasseur, Artificial Neural Networks : scalable optimization methods for largescale training problems in ISMP 2018, Bordeaux, France, 01/07/201806/07/2018.

[15] 
H. Calandra, S. Gratton, E. Riccietti & X. Vasseur, Artificial Neural Networks : scalable optimization methods for largescale training problems in Journée Deep Learning, IRIT, Toulouse, France, 26/06/2018.
