Published paper:

• Hörmann, S, Kokoszka P. and Nisol, G. (2017), "Testing for periodicity in functional time series", The annals of statistics

and its Supplemental Material

Working papers:

• Hörmann, S and Nisol, G. "Prediction of singular VARs and application to generalized dynamic factor models"
• Nisol, G., Tavakoli, S and Hallin, M. "High-dimensional Functional Factor Models".