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Cotangent cohomology and higher-order obstructions of matroids XDTM624YPE

URIm2://res/XDTM624YPE
Kindpreprint
CreatorsQihang Wang
Date2026-10-12
MSC05-XX, 13-XX
Subjectsarxiv math.CO, arxiv math.AC
Scopein

Expressions

e1: version, preprint

Languageen
Date2026-10-12
IdsarXiv 2610.20649, zbl_id 903213195

Items in this resource

The mentions of the inventory that name this resource. Each name links to the card of its inventory row.

ItemKindWhereSource
Lifting relations over an Artinian basestatementlemma 18.6arxiv
Exact rank-one-link componentstatementproposition 4.3arxiv
The quotient by the primary imagestatementcorollary 17.6arxiv
Complete next-to-top strandstatementcorollary 7.2arxiv
Complete hyperplane-graph formulastatementtheorem 1.2arxiv
Graphic matroidsstatementcorollary 9.1arxiv
Direct-sum additivitystatementcorollary 11.5arxiv
Polynomial gapstatementlemma 15.4arxiv
Direct sumsstatementcorollary 6.6arxiv
Smoothness dichotomystatementcorollary 8.8arxiv
Realization in every negative componentstatementtheorem 18.4arxiv
Complete rank-three degree-zero formulastatementtheorem 13.1arxiv
Sharp uniform boundsstatementcorollary 6.5arxiv
Reconstruction of large cocircuitsstatementtheorem 6.8arxiv
Cographic matroidsstatementcorollary 9.2arxiv
Universal pure-pair cup productstatementtheorem 1.4arxiv
Sharp rank-three extremumstatementtheorem 15.6arxiv
The quotient missed by the primary cupstatementproposition 18.3arxiv
Graded polarization of the primary obstructionstatementlemma 8.6arxiv
Complete fine Hilbert seriesstatementcorollary 3.3arxiv
Long-line point boundstatementlemma 15.2arxiv
Rank-word transform for the cocircuit profilestatementtheorem 16.1arxiv
Universal hyperplane-graph formulastatementtheorem 3.1arxiv
Actual quadratic obstructionsstatementcorollary 8.7arxiv
Standard-degree-zero master formulastatementtheorem 12.1arxiv
Tutte contraststatementtheorem 6.7arxiv
Unbounded obstruction order at corank threestatementtheorem 1.1arxiv
Smoothness dichotomystatementcorollary 1.6arxiv
Vanishing and the excluded minorstatementtheorem 1.3arxiv
A5HHJ9SGY5statementcorollary 5.5arxiv
The primary image in every fine degreestatementtheorem 17.5arxiv
Trichotomy for the hyperplane graphsstatementlemma 17.1arxiv
Finite compatibility tablestatementlemma 15.5arxiv
Rank-two pure-pair rankstatementcorollary 11.6arxiv
Graded smoothness dichotomystatementcorollary 8.9arxiv
Rank-three obstruction rigiditystatementtheorem 14.2arxiv
The boundary of valuativitystatementproposition 16.3arxiv
Sharp rank-two extremumstatementtheorem 10.2arxiv
Cyclic higher obstructionstatementtheorem 18.1arxiv
Explicit inverse algorithmstatementcorollary 14.3arxiv
Valuative rank-one obstruction seriesstatementcorollary 16.2arxiv
Nonzero standard-degree-zero cup productstatementtheorem 8.5arxiv
Realization of the homogeneous primary quotientstatementtheorem 18.7arxiv
Circuit profile and basis averagestatementtheorem 6.4arxiv
Uniform rank threestatementcorollary 13.2arxiv
Exact stability gapstatementcorollary 11.8arxiv
A bipartite graph lemmastatementlemma 5.1arxiv
Finite detectorstatementcorollary 6.2arxiv
Localization and cup productsstatementlemma 2.1arxiv
Rank-three stabilitystatementcorollary 15.7arxiv
Purely negative $T^2$ in rank twostatementtheorem 7.1arxiv
Global pure-pair obstruction rankstatementtheorem 11.4arxiv
The purely negative primary imagestatementtheorem 17.3arxiv
Field-independent coordinate formulastatementlemma 8.1arxiv
Constructive large-cocircuit lemmastatementtheorem 5.3arxiv
Rank-two reductionstatementproposition 5.2arxiv
Linear arcs and exact quadratic obstructionsstatementtheorem 8.11arxiv
Generation of first cohomologystatementlemma 17.4arxiv
Unimodularity and absence of bad primesstatementcorollary 11.2arxiv
Small-complement casesstatementlemma 15.3arxiv
Rank-two closed formstatementproposition 10.1arxiv
Pure-pair obstruction ranksdefinitiondefinition 11.3arxiv
Vanishing classificationstatementtheorem 5.4arxiv
Two-element block formulastatementcorollary 4.1arxiv
Rank-two negative supportstatementtheorem 17.2arxiv
Cocircuit reconstructionstatementtheorem 14.1arxiv
The Fano planestatementcorollary 13.3arxiv
One contraction retaining large corankstatementlemma 8.4arxiv
Finite coefficient algorithmstatementcorollary 12.2arxiv
Graded uniqueness of the realizing jetsstatementcorollary 18.5arxiv
Universal pure-pair surjectivitystatementtheorem 8.2arxiv
Generators, relations, and support of the primary quotientstatementtheorem 18.8arxiv
Integral pure-pair obstruction latticestatementtheorem 11.1arxiv
Projective planesstatementcorollary 7.3arxiv
Fine and coarse seriesstatementcorollary 6.3arxiv
Closure-stratified seriesstatementcorollary 3.4arxiv
Purely negative cocircuit witnessesstatementproposition 4.2arxiv
Zero-dimensional calculationstatementlemma 2.2arxiv
Link-lifted cup productsstatementcorollary 8.3arxiv
Sharp rank-two pure-pair extremumstatementtheorem 11.7arxiv
Pencil concentration boundstatementlemma 15.1arxiv
A six-element cubic obstructionexampleexample 18.2arxiv
Degree-zero obstructions in every rankstatementtheorem 1.5arxiv
Complete rank-one-link strandstatementtheorem 6.1arxiv

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