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Titlesort iconAuthor(s)Imp.¹Rec.²Area » Topic » SubtopicPosted by
Every prism over a 3-connected planar graph is hamiltonian.Kaiser; Král; Rosenfeld; Ryjácek; Voss✭✭0Graph Theory » Basic G.T. » Cyclesfhavet
Exact colorings of graphsErickson✭✭0Graph TheoryMartin Erickson
Exponential Algorithms for KnapsackLipton✭✭1Theoretical Comp. Sci. » Algorithmsdick lipton
Extension complexity of (convex) polygons✭✭0Geometry » PolytopesDOT
Extremal $4$-Neighbour Bootstrap Percolation in the HypercubeMorrison; Noel✭✭0CombinatoricsJon Noel
Extremal problem on the number of tree endomorphismZhicong Lin✭✭1Graph Theory » Extremal G.T.shudeshijie
Faithful cycle coversSeymour✭✭✭0Graph Theory » Basic G.T. » Cyclesmdevos
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Fat 4-polytopesEppstein; Kuperberg; Ziegler✭✭✭0Geometry » Polytopesmdevos
Few subsequence sums in Z_n x Z_nBollobas; Leader✭✭0Number Theory » Combinatorial N.T.mdevos
Finding k-edge-outerplanar graph embeddingsBentz✭✭0Graph Theoryjcmeyer
Finite entailment of Positive Horn logicMartin✭✭0Logic » Finite Model TheoryLucSegoufin
Finite Lattice Representation Problem✭✭✭✭0Algebrawilliamdemeo
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Fixed-point logic with countingBlass✭✭0Logic » Finite Model Theorydberwanger
Forcing a $K_6$-minorBarát ; Joret; Wood✭✭0Graph Theory » Basic G.T. » MinorsDavid Wood
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Frankl's union-closed sets conjectureFrankl✭✭0Graph Theory » Hypergraphstchow
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Imp.¹: Importance (Low ✭, Medium ✭✭, High ✭✭✭, Outstanding ✭✭✭✭)
Rec.²: Recommended for undergraduates.

Note: Resolved problems from this section may be found in Solved problems.

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