Alon–Tarsi conjecture

E621147

The Alon–Tarsi conjecture is a prominent open problem in combinatorics and graph theory concerning orientations and colorings of graphs, with deep connections to Latin squares and polynomial method techniques.

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Predicate Object
instanceOf mathematical conjecture
open problem in combinatorics
conjecturedBy Michael Tarsi
Noga Alon
describedIn paper by Noga Alon and Michael Tarsi on colorings and orientations of graphs
field combinatorics
graph theory
hasConnectionTo Latin squares
Tutte polynomial
acyclic orientations
algebraic proof techniques in graph coloring
bipartite Eulerian orientations
coloring polynomial
combinatorial Nullstellensatz
difference between numbers of even and odd Latin squares
even and odd orientations of graphs
graph choosability
graph polynomials
list coloring of graphs
orientation counting in graphs
parity arguments in combinatorics
parity of Latin squares
polynomial method
sign of permutations in Latin squares
hasInfluenceOn development of algebraic methods in combinatorics
research on graph colorings via orientations
hasVariant Alon–Tarsi conjecture for Latin squares
implies results on list colorings of planar graphs
mainSubject graph colorings
graph orientations
namedAfter Michael Tarsi
Noga Alon
relatedConjecture circular choosability conjecture
list coloring conjecture
relatesTo Eulerian subgraphs
bipartite graphs
chromatic number of graphs
complete bipartite graphs
list chromatic number
status open
studiedIn algebraic graph theory
extremal combinatorics
usedIn applications of the combinatorial Nullstellensatz
yearProposed 1992

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Noga Alon notableWork Alon–Tarsi conjecture
Combinatorial Nullstellensatz relatedTo Alon–Tarsi conjecture
Alon–Tarsi conjecture hasVariant Alon–Tarsi conjecture for Latin squares
linked to: Alon–Tarsi conjecture