Mathematics
Open problems, research attempts and community review.
Provisional editorial order for Top Open Problems: Millennium Prize Problems first, followed by assessed difficulty tiers; the unassessed remainder keeps its previous catalogue order. About rankings
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- Math-3101 Chern's Conjecture (Affine Geometry)
- Math-3102 Orchard-Planting Problem
- Math-3103 Borromean Rings Question
- Math-3104 Brouwer's Conjecture on Graph Laplacians
- Math-3105 Eternal Domination vs Domination Number
- Math-3106 1-Factorization Conjecture
- Math-3107 Cereceda's Conjecture
- Math-3108 Jaeger's Petersen Coloring Conjecture
- Math-3109 List Coloring Conjecture
- Math-3110 Oberwolfach Problem
- Math-3111 Tuza's Conjecture
- Math-3112 Zarankiewicz Problem
- Math-3113 Characterization of Word-Representable Planar Graphs
- Math-3114 Word-Representable Graphs: Forbidden Subgraph Characterization
- Math-3115 Word-Representable Near-Triangulations
- Math-3116 Representation Number 3 Classification
- Math-3117 Crown Graphs and Longest Word-Representants
- Math-3118 Line Graphs of Non-Word-Representable Graphs
- Math-3119 Imbalance Conjecture
- Math-3120 Implicit Graph Conjecture
- Math-3121 Teschner's Bondage Number Conjecture
- Math-3122 Tutte's 4-Flow Conjecture for Petersen-Minor-Free Graphs
- Math-3123 Keisler's Order
- Math-3124 Serre's Conjecture II
- Math-3125 Uniform Boundedness Conjecture for Rational Points
- Math-3126 Berge Conjecture
- Math-3127 Volume Conjecture
- Math-3128 Euler-Mascheroni Constant Irrationality
- Math-3129 Hardy-Littlewood Conjecture A (Prime k-tuples)
- Math-3130 Infinitude of Sophie Germain Primes
- Math-3131 Erdős $5000 Problem on Prime Gaps
- Math-3132 Density of Symmetric Primes
- Math-3133 Kourovka Notebook Problem 21.6
- Math-3134 Kourovka Notebook Problem 21.10
- Math-3135 Kourovka Notebook Problem 21.29
- Math-3136 Kourovka Notebook Problem 21.32
- Math-3137 Kourovka Notebook Problem 21.33
- Math-3138 Kourovka Notebook Problem 21.36
- Math-3139 Kourovka Notebook Problem 21.38
- Math-3140 Kourovka Notebook Problem 21.44
- Math-3141 Kourovka Notebook Problem 21.53
- Math-3142 Kourovka Notebook Problem 21.60
- Math-3143 Kourovka Notebook Problem 21.63
- Math-3144 Kourovka Notebook Problem 21.68
- Math-3145 Kourovka Notebook Problem 21.72
- Math-3146 Kourovka Notebook Problem 21.75
- Math-3147 Kourovka Notebook Problem 21.76
- Math-3148 Kourovka Notebook Problem 21.87
- Math-3149 Kourovka Notebook Problem 21.88
- Math-3150 Kourovka Notebook Problem 21.97