On elliptic operator pencils with general boundary conditions R. DenkR. MennickenL. Volevich OriginalPaper Pages: 15 - 40
Periodic points of positive linear operators and Perron-Frobenius operators Roger Nussbaum OriginalPaper Pages: 41 - 97
Optimal Hankel norm approximation for the Pritchard-Salamon class of infinite-dimensional systems Amol J. SasaneRuth F. Curtain OriginalPaper Pages: 98 - 126