Martin Gugat and Jan Giesselmann gave presentations at the „Mathematics and Decision Conference „, which was held at UM6P University, Benguerir, Morocco, within the minisymposium on „Control and Applications“ which was organised by Abeladim Elakri, Lahcen Maniar and Enrique Zuazua. They presented research on „Data assimilation for gas flows via observers using distributed measurements“ (Jan Giesselmann) and „Synchronization of observer systems for the flow in gas networks“ (Martin Gugat).