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Robert Samal
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Type
Post
Author
Replies
Last post
Open problem
Chords of longest cycles
mdevos
1
47 weeks 3 days ago
Open problem
Do any three longest paths in a connected graph have a vertex in common?
fhavet
1
47 weeks 3 days ago
Open problem
r-regular graphs are not uniquely hamiltonian.
Robert Samal
3
2 years 11 weeks ago
Open problem
Graceful Tree Conjecture
kintali
13
3 years 40 weeks ago
Open problem
Hedetniemi's Conjecture
mdevos
5
4 years 27 weeks ago
Open problem
Steinberg's conjecture
fhavet
1
8 years 6 hours ago
forum topic
Give us your suggestions!
md
17
11 years 45 weeks ago
Open problem
Cores of Cayley graphs
Robert Samal
3
12 years 28 weeks ago
Open problem
Star height problem
porton
1
12 years 36 weeks ago
forum topic
Question about 'solving' something
niekeaerts
3
12 years 42 weeks ago
Open problem
Strong 5-cycle double cover conjecture
arthur
8
12 years 42 weeks ago
Open problem
Petersen coloring conjecture
mdevos
2
12 years 42 weeks ago
Open problem
Characterizing (aleph_0,aleph_1)-graphs
mdevos
2
12 years 42 weeks ago
Open problem
Barnette's Conjecture
Robert Samal
1
13 years 5 weeks ago
Open problem
Hirsch Conjecture
Robert Samal
4
13 years 9 weeks ago
Open problem
Complexity of square-root sum
abie
5
13 years 10 weeks ago
Open problem
Seymour's Second Neighbourhood Conjecture
nkorppi
5
13 years 25 weeks ago
Open problem
Real roots of the flow polynomial
mdevos
2
13 years 38 weeks ago
Open problem
Star chromatic index of complete graphs
Robert Samal
0
13 years 43 weeks ago
category
star coloring
Robert Samal
0
13 years 43 weeks ago
category
edge coloring
Robert Samal
0
13 years 43 weeks ago
category
Dvorak, Zdenek
Robert Samal
0
13 years 43 weeks ago
Open problem
Star chromatic index of cubic graphs
Robert Samal
0
13 years 43 weeks ago
Open problem
Co-separability of filter objects
porton
6
14 years 4 days ago
forum topic
Maintaining questions in a subject area
rybu
4
14 years 1 week ago
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