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Jon Noel
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Post
Author
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Last post
Open problem
Hedetniemi's Conjecture
mdevos
5
4 years 19 weeks ago
Open problem
Multicolour Erdős--Hajnal Conjecture
Jon Noel
0
4 years 39 weeks ago
Open problem
Sidorenko's Conjecture
Jon Noel
0
4 years 39 weeks ago
Open problem
Weak saturation of the cube in the clique
Jon Noel
0
8 years 14 weeks ago
Open problem
Turán Problem for $10$-Cycles in the Hypercube
Jon Noel
0
8 years 42 weeks ago
Open problem
Extremal $4$-Neighbour Bootstrap Percolation in the Hypercube
Jon Noel
0
8 years 42 weeks ago
Open problem
Saturation in the Hypercube
Jon Noel
0
8 years 42 weeks ago
Open problem
Cycles in Graphs of Large Chromatic Number
Jon Noel
0
8 years 42 weeks ago
Open problem
The Double Cap Conjecture
Jon Noel
0
8 years 43 weeks ago
Open problem
Saturated $k$-Sperner Systems of Minimum Size
Jon Noel
0
10 years 13 weeks ago
Open problem
List Colourings of Complete Multipartite Graphs with 2 Big Parts
Jon Noel
0
10 years 13 weeks ago
Open problem
List Total Colouring Conjecture
Jon Noel
0
10 years 46 weeks ago
Open problem
Partitioning the Projective Plane
Jon Noel
0
10 years 46 weeks ago
Open problem
Kriesell's Conjecture
Jon Noel
0
10 years 46 weeks ago
Open problem
2-colouring a graph without a monochromatic maximum clique
Jon Noel
0
10 years 46 weeks ago
Open problem
Erdős–Faber–Lovász conjecture
Jon Noel
0
10 years 46 weeks ago
Open problem
Choosability of Graph Powers
Jon Noel
0
11 years 4 days ago
Open problem
Bounding the on-line choice number in terms of the choice number
Jon Noel
0
11 years 13 weeks ago
Open problem
Choice number of complete multipartite graphs with parts of size 4
Jon Noel
0
11 years 13 weeks ago
Open problem
Choice Number of k-Chromatic Graphs of Bounded Order
Jon Noel
0
11 years 23 weeks ago
Open problem
Mixing Circular Colourings
Jon Noel
0
11 years 42 weeks ago
Open problem
Algebraic independence of pi and e
porton
6
12 years 11 weeks ago
Open problem
Ohba's Conjecture
Jon Noel
0
13 years 8 weeks ago
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(49)
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Recent Activity
Chords of longest cycles
Do any three longest paths in a connected graph have a vertex in common?
Chromatic number of $\frac{3}{3}$-power of graph
3-Edge-Coloring Conjecture
r-regular graphs are not uniquely hamiltonian.
more