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What is the largest graph of positive curvature?
DeVos
;
Mohar
✭
1
Topological G.T.
»
Planar graphs
mdevos
End-Devouring Rays
Georgakopoulos
✭
1
Infinite Graphs
Agelos
Covering powers of cycles with equivalence subgraphs
✭
0
Andrew King
Obstacle number of planar graphs
Alpert
;
Koch
;
Laison
✭
1
Andrew King
Circular choosability of planar graphs
Mohar
✭
0
Coloring
»
Homomorphisms
rosskang
Mixing Circular Colourings
Brewster
;
Noel
✭
1
Coloring
»
Vertex coloring
Jon Noel
Melnikov's valency-variety problem
Melnikov
✭
0
Coloring
»
Vertex coloring
asp
Weak saturation of the cube in the clique
Morrison
;
Noel
✭
1
Extremal G.T.
Jon Noel
Cores of Cayley graphs
Samal
✭✭
0
Coloring
»
Homomorphisms
Robert Samal
The three 4-flows conjecture
DeVos
✭✭
0
Coloring
»
Nowhere-zero flows
mdevos
A homomorphism problem for flows
DeVos
✭✭
0
Coloring
»
Nowhere-zero flows
mdevos
Real roots of the flow polynomial
Welsh
✭✭
0
Coloring
»
Nowhere-zero flows
mdevos
Unit vector flows
Jain
✭✭
0
Coloring
»
Nowhere-zero flows
mdevos
Packing T-joins
DeVos
✭✭
0
Coloring
»
Edge coloring
mdevos
Acyclic edge-colouring
Fiamcik
✭✭
0
Coloring
»
Edge coloring
mdevos
Partitioning edge-connectivity
DeVos
✭✭
0
Basic G.T.
»
Connectivity
mdevos
The stubborn list partition problem
Cameron
;
Eschen
;
Hoang
;
Sritharan
✭✭
0
Graph Algorithms
mdevos
Graham's conjecture on tree reconstruction
Graham
✭✭
0
Basic G.T.
mdevos
The Two Color Conjecture
Neumann-Lara
✭✭
0
Directed Graphs
mdevos
A generalization of Vizing's Theorem?
Rosenfeld
✭✭
0
Coloring
»
Edge coloring
mdevos
The Crossing Number of the Hypercube
Erdos
;
Guy
✭✭
0
Topological G.T.
»
Crossing numbers
Robert Samal
Drawing disconnected graphs on surfaces
DeVos
;
Mohar
;
Samal
✭✭
0
Topological G.T.
»
Crossing numbers
mdevos
Antichains in the cycle continuous order
DeVos
✭✭
0
Coloring
»
Nowhere-zero flows
mdevos
Half-integral flow polynomial values
Mohar
✭✭
0
Algebraic G.T.
mohar
List colorings of edge-critical graphs
Mohar
✭✭
0
Coloring
»
Edge coloring
Robert Samal
Circular coloring triangle-free subcubic planar graphs
Ghebleh
;
Zhu
✭✭
0
Coloring
»
Vertex coloring
mdevos
Laplacian Degrees of a Graph
Guo
✭✭
0
Algebraic G.T.
Robert Samal
5-local-tensions
DeVos
✭✭
0
Topological G.T.
»
Coloring
mdevos
Weak pentagon problem
Samal
✭✭
0
Coloring
»
Homomorphisms
Robert Samal
Infinite uniquely hamiltonian graphs
Mohar
✭✭
0
Infinite Graphs
Robert Samal
Hamiltonian cycles in line graphs of infinite graphs
Georgakopoulos
✭✭
0
Infinite Graphs
Robert Samal
Hamiltonian cycles in powers of infinite graphs
Georgakopoulos
✭✭
0
Infinite Graphs
Robert Samal
Oriented chromatic number of planar graphs
✭✭
0
Coloring
»
Vertex coloring
Robert Samal
Geodesic cycles and Tutte's Theorem
Georgakopoulos
;
Sprüssel
✭✭
1
Basic G.T.
»
Cycles
Agelos
The intersection of two perfect matchings
Macajova
;
Skoviera
✭✭
0
Basic G.T.
»
Matchings
mdevos
¿Are critical k-forests tight?
Strausz
✭✭
0
Hypergraphs
Dino
Three-chromatic (0,2)-graphs
Payan
✭✭
0
Coloring
Gordon Royle
What is the smallest number of disjoint spanning trees made a graph Hamiltonian
Goldengorin
✭✭
0
Extremal G.T.
boris
Linear Hypergraphs with Dimension 3
Ossona de Mendez
;
Rosenstiehl
;
de Fraysseix
✭✭
0
Topological G.T.
»
Drawings
taxipom
Matchings extend to Hamiltonian cycles in hypercubes
Ruskey
;
Savage
✭✭
1
Basic G.T.
»
Matchings
Jirka
The Bermond-Thomassen Conjecture
Bermond
;
Thomassen
✭✭
0
Directed Graphs
JS
Universal Steiner triple systems
Grannell
;
Griggs
;
Knor
;
Skoviera
✭✭
0
Coloring
»
Edge coloring
macajova
Jones' conjecture
Kloks
;
Lee
;
Liu
✭✭
0
Basic G.T.
»
Cycles
cmlee
Highly arc transitive two ended digraphs
Cameron
;
Praeger
;
Wormald
✭✭
0
Infinite Graphs
mdevos
Random stable roommates
Mertens
✭✭
0
Basic G.T.
»
Matchings
mdevos
Complete bipartite subgraphs of perfect graphs
Fox
✭✭
0
Basic G.T.
mdevos
Coloring random subgraphs
Bukh
✭✭
0
Probabilistic G.T.
mdevos
4-regular 4-chromatic graphs of high girth
Grunbaum
✭✭
0
Coloring
mdevos
Negative association in uniform forests
Pemantle
✭✭
0
Probabilistic G.T.
mdevos
Counting 3-colorings of the hex lattice
Thomassen
✭✭
0
Coloring
»
Vertex coloring
mdevos
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