For every δ < 3/2 the ⊆-minimal minor-closed classes with density >δ form a finite explicitly identified set, yielding a 2^poly(n)-time algorithm that computes δ(excl(Z)) or reports ≥3/2 for any finite forbidden-minor set Z.
Title resolution pending
2 Pith papers cite this work. Polarity classification is still indexing.
2
Pith papers citing it
fields
math.CO 2verdicts
UNVERDICTED 2representative citing papers
Defines colorful minors on q-colored graphs and proves three structural theorems for H-colorful-minor-free graphs, a q-parameterized Erdős-Pósa classification, and FPT results for testing and colorful-minor-monotone parameters.
citing papers explorer
-
Obstructions for Minor-Closed Classes of limiting Densities Below 3/2
For every δ < 3/2 the ⊆-minimal minor-closed classes with density >δ form a finite explicitly identified set, yielding a 2^poly(n)-time algorithm that computes δ(excl(Z)) or reports ≥3/2 for any finite forbidden-minor set Z.
-
Colorful Minors
Defines colorful minors on q-colored graphs and proves three structural theorems for H-colorful-minor-free graphs, a q-parameterized Erdős-Pósa classification, and FPT results for testing and colorful-minor-monotone parameters.