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Approximating the chromatic index of multigraphs∗
Georgia Institute of Technology
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Georgia Institute of Technology
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由 G Chen 著作被引用 28 次 — It is well known that if G is a multigraph then χ0(G) ≥ χ0∗(G) := max{∆(G), Γ(G)}, where χ0(G) is the chromatic index of G, χ0∗(G) is the fractional chromatic ...
Approximating the chromatic index of multigraphs
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由 G Chen 著作2011被引用 28 次 — It is well known that if G is a multigraph then χ′(G)≥χ′*(G):=max {Δ(G),Γ(G)}, where χ′(G) is the chromatic index of G, χ′*(G) is the ...
Approximating the chromatic index of multigraphs - EconPapers
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Abstract: Abstract It is well known that if G is a multigraph then χ′(G)≥χ′*(G):=max {Δ(G),Γ(G)}, where χ′(G) is the chromatic index of G, χ′*(G) is the ...
[PDF] Approximating the chromatic index of multigraphs
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It is shown that if µ is bounded below by a logarithmic function of Δ, then G attains Vizing's bound if and only if there exists an odd subset S⊆V(G) with ...
Approximating the chromatic index of multigraphs
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由 G Chen 著作2011被引用 28 次 — The fractional chromatic index can be determined in polynomial time by using the el- lipsoid algorithm; since the corresponding separation ...
Approximating the chromatic index of multigraphs.
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Bibliographic details on Approximating the chromatic index of multigraphs.
Approximating the chromatic index of multigraphs by Xingxing Yu
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It is well known that if G is a multigraph then χ'(G) ≥ χ'*(G):=max{Δ(G), Γ(G)}, where χ'(G) is the chromatic index of G, χ'*(G) is the fractional chromatic ...
arXiv:1803.00908v2 [math.CO] 6 Feb 2019
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由 P Haxell 著作2018被引用 9 次 — The prevalent belief is that the chromatic index of multigraphs should essentially be determined by ∆(G) and ρ(G). Goldberg [14] and ...
Achieving maximum chromatic index in multigraphs
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由 JM McDonald 著作2009被引用 8 次 — The chromatic index of a multigraph G , denoted by χ ′ ( G ) , is the minimum number of colours needed to colour the edges of G such that adjacent edges receive ...
A note on approximating the -chromatic number
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2024年10月22日 — In this article we prove that a simple greedy algorithm applied to sparse graphs gives a "good" approximation of the chromatic sum. For all ...
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