Nontrivial solutions of Kirchhoff-type problems via the Yang index K Perera, Z Zhang Journal of Differential Equations 221 (1), 246-255, 2006 | 438 | 2006 |

Sign changing solutions of Kirchhoff type problems via invariant sets of descent flow Z Zhang, K Perera Journal of Mathematical Analysis and Applications 317 (2), 456-463, 2006 | 344 | 2006 |

Multiple positive solutions of singular and nonsingular discrete problems via variational methods RP Agarwal, K Perera, D O'Regan Nonlinear Analysis: Theory, Methods & Applications 58 (1-2), 69-73, 2004 | 220 | 2004 |

Multiple positive solutions of singular discrete p-Laplacian problems via variational methods RP Agarwal, K Perera, D O'Regan Advances in Difference Equations 2005 (2), 93-99, 2005 | 181 | 2005 |

Existence results for fractional p-Laplacian problems via Morse theory A Iannizzotto, S Liu, K Perera, M Squassina Advances in Calculus of Variations 9 (2), 101-125, 2016 | 141 | 2016 |

Morse Theoretic Aspects of -Laplacian Type Operators K Perera, RP Agarwal, D O'Regan American Mathematical Soc., 2010 | 129 | 2010 |

Nontrivial critical groups in -Laplacian problems via the Yang index K Perera Topological Methods in Nonlinear Analysis 21 (2), 301-309, 2003 | 100 | 2003 |

Basic properties of Sobolev's spaces on time scales RP Agarwal, V Otero–Espinar, K Perera, DR Vivero Advances in Difference Equations 2006 (1), 038121, 2006 | 84 | 2006 |

Sign-changing and multiple solutions for the p-Laplacian S Carl, K Perera Abstract and Applied Analysis 7 (12), 613-625, 2002 | 67 | 2002 |

The Brezis–Nirenberg problem for the fractional p-Laplacian S Mosconi, K Perera, M Squassina, Y Yang Calculus of Variations and Partial Differential Equations 55 (4), 105, 2016 | 60 | 2016 |

Some remarks on the Fucik spectrum of the p-Laplacian and critical groups N Dancer, K Perera arXiv preprint math/0011131, 2000 | 60 | 2000 |

Multiple positive solutions of singular p-Laplacian problems via variational methods K Perera, EAB Silva Proceedings of the Conference on Differential & Difference Equations and …, 2006 | 58 | 2006 |

Multiplicity results for some elliptic problems with concave nonlinearities K Perera journal of differential equations 140 (1), 133-141, 1997 | 57 | 1997 |

Bifurcation and multiplicity results for critical fractional *p*‐Laplacian problemsK Perera, M Squassina, Y Yang Mathematische Nachrichten 289 (2-3), 332-342, 2016 | 53 | 2016 |

p-Laplacian problems where the nonlinearity crosses an eigenvalue K Perera, A Szulkin Discrete and Continuous Dynamical Systems 13 (3), 743, 2005 | 48 | 2005 |

Multiple positive solutions for a class of quasilinear elliptic boundary-value problems. K Perera Electronic Journal of Differential Equations (EJDE)[electronic only] 2003 …, 2003 | 45 | 2003 |

Multiple positive solutions of singular problems by variational methods R Agarwal, K Perera, D O’Regan Proceedings of the American Mathematical Society 134 (3), 817-824, 2006 | 41 | 2006 |

Existence and multiplicity of positive solutions for singular quasilinear problems K Perera, EAB Silva Journal of mathematical analysis and applications 323 (2), 1238-1252, 2006 | 40 | 2006 |

Homological local linking K Perera Abstract and Applied Analysis 3 (1-2), 181-189, 1998 | 40 | 1998 |

Multiple positive solutions of singular Dirichlet problems on time scales via variational methods RP Agarwal, V Otero-Espinar, K Perera, DR Vivero Nonlinear Analysis: Theory, Methods & Applications 67 (2), 368-381, 2007 | 37 | 2007 |