Extending geometric singular perturbation theory to nonhyperbolic points---fold and canard points in two dimensions M Krupa, P Szmolyan SIAM journal on mathematical analysis 33 (2), 286-314, 2001 | 534 | 2001 |

Relaxation oscillation and canard explosion M Krupa, P Szmolyan Journal of Differential Equations 174 (2), 312-368, 2001 | 471 | 2001 |

Canards in R3 P Szmolyan, M Wechselberger Journal of Differential Equations 177 (2), 419-453, 2001 | 376 | 2001 |

Transversal heteroclinic and homoclinic orbits in singular perturbation problems P Szmolyan Journal of differential equations 92 (2), 252-281, 1991 | 189 | 1991 |

Extending slow manifolds near transcritical and pitchfork singularities M Krupa, P Szmolyan Nonlinearity 14 (6), 1473, 2001 | 163 | 2001 |

Fast and slow waves in the FitzHugh–Nagumo equation M Krupa, B Sandstede, P Szmolyan Journal of Differential Equations 133 (1), 49-97, 1997 | 156 | 1997 |

Relaxation oscillations in R3 P Szmolyan, M Wechselberger Journal of Differential Equations 200 (1), 69-104, 2004 | 151 | 2004 |

Geometry of mixed-mode oscillations in the 3-d autocatalator A Milik, P Szmolyan, H Löffelmann, E Gröller International Journal of Bifurcation and Chaos 8 (03), 505-519, 1998 | 132 | 1998 |

Existence and bifurcation of viscous profiles for all intermediate magnetohydrodynamic shock waves H Freistűhler, P Szmolyan SIAM Journal on Mathematical Analysis 26 (1), 112-128, 1995 | 99 | 1995 |

Spectral stability of small shock waves H Freistühler, P Szmolyan Archive for rational mechanics and analysis 164, 287-309, 2002 | 74 | 2002 |

Multiple time scales and canards in a chemical oscillator A Milik, P Szmolyan Multiple-time-scale dynamical systems, 117-140, 2001 | 65 | 2001 |

Scaling in singular perturbation problems: blowing up a relaxation oscillator I Kosiuk, P Szmolyan SIAM Journal on Applied Dynamical Systems 10 (4), 1307-1343, 2011 | 63 | 2011 |

A geometric singular perturbation analysis of detonation and deflagration waves I Gasser, P Szmolyan SIAM journal on mathematical analysis 24 (4), 968-986, 1993 | 63 | 1993 |

Geometric singular perturbation analysis of an autocatalator model I Gucwa, P Szmolyan | 58 | 2009 |

Asymptotic expansions using blow-up S Van Gils, M Krupa*, P Szmolyan* Zeitschrift für angewandte Mathematik und Physik ZAMP 56, 369-397, 2005 | 46 | 2005 |

Geometric analysis of the singularly perturbed planar fold M Krupa, P Szmolyan Multiple-time-scale dynamical systems, 89-116, 2001 | 45 | 2001 |

Multiscale geometry of the Olsen model and non-classical relaxation oscillations C Kuehn, P Szmolyan Journal of Nonlinear Science 25, 583-629, 2015 | 42 | 2015 |

A system of convection—diffusion equations with small diffusion coefficient arising in semiconductor physics PA Markowich, P Szmolyan Journal of Differential Equations 81 (2), 234-254, 1989 | 40 | 1989 |

A geometric analysis of the Lagerstrom model problem N Popović, P Szmolyan Journal of Differential Equations 199 (2), 290-325, 2004 | 39 | 2004 |

Geometric analysis of the Goldbeter minimal model for the embryonic cell cycle I Kosiuk, P Szmolyan Journal of mathematical biology 72, 1337-1368, 2016 | 38 | 2016 |