# mdevos

Type | Post | Author | Replies | Last post |
---|---|---|---|---|

Open problem | Chords of longest cycles | mdevos | 1 | 31 weeks 4 days ago |

Open problem | Complete bipartite subgraphs of perfect graphs | mdevos | 1 | 3 years 17 weeks ago |

Open problem | Friendly partitions | mdevos | 1 | 3 years 41 weeks ago |

Open problem | Triangle free strongly regular graphs | mdevos | 4 | 3 years 51 weeks ago |

Open problem | Hedetniemi's Conjecture | mdevos | 5 | 4 years 11 weeks ago |

Open problem | (2 + epsilon)-flow conjecture | mdevos | 1 | 4 years 13 weeks ago |

Open problem | Goldberg's conjecture | mdevos | 2 | 10 years 50 weeks ago |

category | graph invariant | mdevos | 0 | 11 years 8 weeks ago |

category | cospectral | mdevos | 0 | 11 years 8 weeks ago |

Open problem | Are almost all graphs determined by their spectrum? | mdevos | 0 | 11 years 8 weeks ago |

category | expander | mdevos | 0 | 11 years 8 weeks ago |

category | eigenvalue | mdevos | 0 | 11 years 8 weeks ago |

category | signed graph | mdevos | 0 | 11 years 8 weeks ago |

category | signing | mdevos | 0 | 11 years 8 weeks ago |

category | Ramanujan graph | mdevos | 0 | 11 years 8 weeks ago |

Open problem | Signing a graph to have small magnitude eigenvalues | mdevos | 0 | 11 years 8 weeks ago |

category | Bilu, Yonatan | mdevos | 0 | 11 years 8 weeks ago |

Open problem | Graham's conjecture on tree reconstruction | mdevos | 5 | 11 years 18 weeks ago |

Open problem | Coloring the Odd Distance Graph | mdevos | 8 | 12 years 9 weeks ago |

Open problem | Cycle double cover conjecture | mdevos | 3 | 12 years 15 weeks ago |

Open problem | 4-regular 4-chromatic graphs of high girth | mdevos | 2 | 12 years 16 weeks ago |

Open problem | Petersen coloring conjecture | mdevos | 2 | 12 years 26 weeks ago |

Open problem | Characterizing (aleph_0,aleph_1)-graphs | mdevos | 2 | 12 years 26 weeks ago |

Open problem | The Berge-Fulkerson conjecture | mdevos | 9 | 12 years 26 weeks ago |

Open problem | Twin prime conjecture | kaushiks.nitt | 5 | 12 years 26 weeks ago |