Bounds on the vertex–edge domination number of a tree B Krishnakumari, YB Venkatakrishnan, M Krzywkowski Comptes rendus mathematique 352 (5), 363-366, 2014 | 46 | 2014 |

On the hat problem, its variations, and their applications M Krzywkowski Annales Universitatis Paedagogicae Cracoviensis Studia Mathematica 9 (1), 55-67, 2010 | 26 | 2010 |

Trees having many minimal dominating sets M Krzywkowski Information Processing Letters 113 (8), 276-279, 2013 | 21 | 2013 |

On trees with total domination number equal to edge-vertex domination number plus one B Krishnakumari, YB Venkatakrishnan, M Krzywkowski Proceedings-Mathematical Sciences 126, 153-157, 2016 | 19 | 2016 |

Double outer-independent domination in graphs. M Krzywkowski Ars Comb. 134, 193-207, 2017 | 17 | 2017 |

Domination stability in graphs NJ Rad, E Sharifi, M Krzywkowski Discrete Mathematics 339 (7), 1909-1914, 2016 | 15 | 2016 |

2-outer-independent domination in graphs N Jafari Rad, M Krzywkowski National Academy Science Letters 38, 263-269, 2015 | 15 | 2015 |

Hat problem on a graph M Krzywkowski Mathematica Pannonica 21, 3-21, 2010 | 15 | 2010 |

Hat problem on a graph MP Krzywkowski University of Exeter, 2012 | 14 | 2012 |

A more colorful hat problem M Krzywkowski | 14 | 2011 |

A characterization of trees with equal 2-domination and 2-independence numbers C Brause, MA Henning, M Krzywkowski Discrete Mathematics & Theoretical Computer Science 19 (Graph Theory), 2017 | 12* | 2017 |

On the hat problem on the cycle c7 M Krzywkowski Int. J. Contemp. Math. Sciences 5 (43), 2137-2148, 2010 | 12 | 2010 |

Hat problem on the cycle C4 M Krzywkowski International Mathematical Forum 5 (5), 205-212, 2010 | 12 | 2010 |

Total domination stability in graphs MA Henning, M Krzywkowski Discrete Applied Mathematics 236, 246-255, 2018 | 11 | 2018 |

On trees with double domination number equal to 2-domination number plus one M Krzywkowski Houston Journal of Mathematics 39 (2), 427-440, 2013 | 11 | 2013 |

A modified hat problem M Krzywkowski Commentationes Mathematicae 50 (2), 2010 | 11 | 2010 |

2-bondage in graphs M Krzywkowski International Journal of Computer Mathematics 90 (7), 1358-1365, 2013 | 10 | 2013 |

Graphs with few total dominating sets M Krzywkowski, S Wagner Discrete Mathematics 341 (4), 997-1009, 2018 | 9 | 2018 |

Outer-2-independent domination in graphs M Krzywkowski, DA Mojdeh, M Raoofi Proceedings-Mathematical Sciences 126, 11-20, 2016 | 9 | 2016 |

On the restrained Roman domination in graphs NJ Rad, M Krzywkowski Colourings, Independence and Domination-CID, 2015 | 9 | 2015 |