| Mathematik neu denken: Impulse für die Gymnasiallehrerbildung an Universitäten A Beutelspacher, R Danckwerts, G Nickel, S Spies, G Wickel Springer-Verlag, 2011 | 189 | 2011 |
| A semigroup approach to boundary feedback systems V Casarino, KJ Engel, R Nagel, G Nickel Integral Equations and Operator Theory 47, 289-306, 2003 | 116 | 2003 |
| Well-posedness for nonautonomous abstract Cauchy problems R Nagel, G Nickel Evolution Equations, Semigroups and Functional Analysis: In Memory of …, 2002 | 99 | 2002 |
| Evolution semigroups for nonautonomous Cauchy problems G Nickel | 57 | 1997 |
| On evolution semigroups and wellposedness of nonautonomous Cauchy problems AG Nickel (No Title), 1996 | 52 | 1996 |
| Operator splitting for non-autonomous evolution equations A Bátkai, P Csomós, B Farkas, G Nickel Journal of Functional Analysis 260 (7), 2163-2190, 2011 | 42 | 2011 |
| Identification of extrapolation spaces for unbounded operators R Nagel, G Nickel, S Romanelli Quaestiones Mathematicae 19 (1-2), 83-100, 1996 | 39 | 1996 |
| Evolution semigroups and product formulas for nonautonomous Cauchy problems G Nickel Mathematische Nachrichten 212 (1), 101-116, 2000 | 38 | 2000 |
| On the essential spectral radius of semigroups generated by perturbations of Hille-Yosida operators G Nickel, A Rhandi Tübinger Berichte zur Funktionalanalysis 4, 207-220, 1995 | 33 | 1995 |
| Dynamic boundary conditions and boundary control for the one-dimensional heat equation M Kumpf, G Nickel Journal of dynamical and control systems 10, 213-225, 2004 | 31 | 2004 |
| An extension of Kato's stability condition for nonautonomous Cauchy problems G Nickel, R Schnaubelt Taiwanese Journal of Mathematics 2 (4), 483-496, 1998 | 31 | 1998 |
| Operator splittings and spatial approximations for evolution equations A Bátkai, P Csomós, G Nickel Journal of Evolution Equations 9, 613-636, 2009 | 29 | 2009 |
| Positivity and stability of delay equations with nonautonomous past G Nickel, A Rhandi Mathematische Nachrichten 278 (7‐8), 864-876, 2005 | 27 | 2005 |
| Partial functional differential equations with nonautonomous past in {}-phase spaces G Fragnelli, G Nickel | 26 | 2003 |
| Vom Nutzen und Nachteil der Mathematikgeschichte für das Lehramtsstudium G Nickel Mathematik verständlich unterrichten: Perspektiven für Unterricht und …, 2013 | 23 | 2013 |
| Zwingende Beweise—zur subversiven Despotie der Mathematik G Nickel Ethik und Ästhetik der Gewalt, 261-282, 2006 | 23 | 2006 |
| Decoupling techniques for wave equations with dynamic boundary conditions V Casarino, KJ Engel, G Nickel, S Piazzera Discrete Contin. Dyn. Syst 12, 761-772, 2005 | 22 | 2005 |
| Mathematik neu denken: Empfehlungen zur Neuorientierung der universitären Lehrerbildung im Fach Mathematik für das gymnasiale Lehramt A Beutelspacher, R Danckwerts, G Nickel Dt. Telekom-Stiftung, 2010 | 21 | 2010 |
| A new look at boundary perturbations of generators. G Nickel Electronic Journal of Differential Equations (EJDE)[electronic only] 2004 …, 2004 | 20 | 2004 |
| Operator splitting for delay equations P Csomós, G Nickel Computers & Mathematics with Applications 55 (10), 2234-2246, 2008 | 18 | 2008 |
