On a periodic Schrödinger equation with nonlocal superlinear part N Ackermann Mathematische Zeitschrift 248 (2), 423-443, 2004 | 235 | 2004 |

A nonlinear superposition principle and multibump solutions of periodic Schrödinger equations N Ackermann Journal of Functional Analysis 234 (2), 277-320, 2006 | 129 | 2006 |

A priori bounds, nodal equilibria and connecting orbits in indefinite superlinear parabolic problems N Ackermann, T Bartsch, P Kaplický, P Quittner Transactions of the American Mathematical Society 360 (7), 3493-3539, 2008 | 37 | 2008 |

Multibump solutions of nonlinear periodic Schrödinger equations in a degenerate setting N Ackermann, T Weth Communications in Contemporary Mathematics 7 (03), 269-298, 2005 | 36 | 2005 |

Alternating sign multibump solutions of nonlinear elliptic equations in expanding tubular domains N Ackermann, M Clapp, F Pacella Communications in Partial Differential Equations 38 (5), 751-779, 2013 | 23 | 2013 |

Superstable manifolds of semilinear parabolic problems N Ackermann, T Bartsch Journal of Dynamics and Differential Equations 17 (1), 115-173, 2005 | 22 | 2005 |

Unstable normalized standing waves for the space periodic NLS N Ackermann, T Weth Analysis & PDE 12 (5), 1177-1213, 2018 | 20 | 2018 |

Boundary clustered layers near the higher critical exponents N Ackermann, M Clapp, A Pistoia Journal of Differential Equations 254 (10), 4168-4193, 2013 | 19 | 2013 |

Long-time dynamics in semilinear parabolic problems with autocatalysis N Ackermann Recent progress on reaction-diffusion systems and viscosity solutions, 1-30, 2009 | 12 | 2009 |

A Cauchy-Schwarz type inequality for bilinear integrals on positive measures N Ackermann Proceedings of the American Mathematical Society 133 (9), 2647-2656, 2005 | 12 | 2005 |

A concentration phenomenon for semilinear elliptic equations N Ackermann, A Szulkin Archive for Rational Mechanics and Analysis 207 (3), 1075-1089, 2013 | 11 | 2013 |

Self-focusing multibump standing waves in expanding waveguides N Ackermann, M Clapp, F Pacella Milan Journal of Mathematics 79 (1), 221-232, 2011 | 11 | 2011 |

Boundary clustered layers for some supercritical problems N Ackermann, M Clapp, A Pistoia J. Differential Equations 254 (10), 4168-4193, 2013 | 8 | 2013 |

Multiple single-peaked solutions of a class of semilinear Neumann problems via the category of the domain boundary N Ackermann Calculus of Variations and Partial Differential Equations 7 (3), 263-292, 1998 | 7 | 1998 |

Uniform continuity and Brézis–Lieb-type splitting for superposition operators in Sobolev space N Ackermann Advances in Nonlinear Analysis 7 (4), 587-599, 2018 | 5 | 2018 |

Ground states for irregular and indefinite superlinear Schrödinger equations N Ackermann, J Chagoya Journal of Differential Equations 261 (9), 5180-5201, 2016 | 4 | 2016 |

Spectral density estimates with partial symmetries and an application to Bahri–Lions-type results N Ackermann, A Cano, E Hernández-Martínez Calculus of Variations and Partial Differential Equations 56 (1), 6, 2017 | 3 | 2017 |

Precise exponential decay for solutions of semilinear elliptic equations and its effect on the structure of the solution set for a real analytic nonlinearity N Ackermann, N Dancer | 3 | 2016 |

An invariant set generated by the domain topology for parabolic semiflows with small difussion N Ackermann, T Bartsch, P Kaplicky Discrete and Continuous Dynamical Systems 18 (4), 613, 2007 | 3 | 2007 |

Solution set splitting at low energy levels in Schrödinger equations with periodic and symmetric potential N Ackermann Journal of Differential Equations 246 (4), 1470-1499, 2009 | 2 | 2009 |