Collapsing spherical stars in f (R) gravity R Goswami, AM Nzioki, SD Maharaj, SG Ghosh Physical Review D 90 (8), 084011, 2014 | 119 | 2014 |

New framework for studying spherically symmetric static solutions in f (R) gravity AM Nzioki, S Carloni, R Goswami, PKS Dunsby Physical Review D 81 (8), 084028, 2010 | 70 | 2010 |

On the absence of the usual weak-field limit, and the impossibility of embedding some known solutions for isolated masses in cosmologies with f (R) dark energy T Clifton, P Dunsby, R Goswami, AM Nzioki Physical Review D 87 (6), 063517, 2013 | 42 | 2013 |

Jebsen-Birkhoff theorem and its stability in f (R) gravity AM Nzioki, R Goswami, PKS Dunsby Physical Review D 89 (6), 064050, 2014 | 32 | 2014 |

Buchdahl-Bondi limit in modified gravity: Packing extra effective mass in relativistic compact stars R Goswami, SD Maharaj, AM Nzioki Physical Review D 92 (6), 064002, 2015 | 23 | 2015 |

Shear-free perturbations of Friedmann-Lemaître-Robertson-Walker universes AM Nzioki, R Goswami, PKS Dunsby, GFR Ellis Physical Review D 84 (12), 124028, 2011 | 15 | 2011 |

Geometrical approach to strong gravitational lensing in f (R) gravity AM Nzioki, PKS Dunsby, R Goswami, S Carloni Physical Review D 83 (2), 024030, 2011 | 12 | 2011 |

Covariant perturbations of Schwarzschild black holes in gravity AM Nzioki, R Goswami, PKS Dunsby International Journal of Modern Physics D 26 (06), 1750048, 2017 | 7 | 2017 |

90h4011G. vol. 90 R Goswami, AM Nzioki, SD Maharaj, S Ghosh Phys. Rev. D, 084011, 2014 | 5 | 2014 |

Scattering of Ricci scalar perturbations from Schwarzschild black holes in modified gravity DB Sibandze, R Goswami, SD Maharaj, AM Nzioki, PKS Dunsby The European Physical Journal C 77 (6), 1-10, 2017 | 4 | 2017 |

Scalar wave scattering from Schwarzschild black holes in modified gravity DB Sibandze, R Goswami, SD Maharaj, AM Nzioki, PKS Dunsby arXiv preprint arXiv:1611.06043, 2016 | 3 | 2016 |

A study of solutions and perturbations of spherically symmetric spacetimes in fourth order gravity. AM Nzioki University of Cape Town, 2013 | 3 | 2013 |

Strong gravitational lensing in f (R) gravity AM Nzioki, PKS Dunsby, R Goswami, S Carloni AIP Conference Proceedings 1458 (1), 503-506, 2012 | 3 | 2012 |

Vibrating Black Holes in f (R) gravity AM Nzioki, R Goswami, PKS Dunsby arXiv preprint arXiv:1408.0152, 2014 | | 2014 |