Efficient Downscaling of JPEG-Compressed Images . - Johannes Nagler; Laurent Demaret; Peter Amon (IEEE GSC, 2012)

Digital Curvature Estimation: An Operator Theoretic Approach. - Johannes Nagler (2015)

Lower bounds for the approximation with variation-diminishing splines. - Johannes Nagler; Paula Cerejeiras; Brigitte Forster (J. Complex., 2016)