OOIR: Observatory of International Research

Papers

(The TQCC of Annals of Combinatorics is 1. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-01-01 to 2026-01-01.)

Article	Citations
The Merino–Welsh Conjecture for Split Matroids	21
Partial Rank Symmetry of Distributive Lattices for Fences	17
Sandpile Groups of Random Bipartite Graphs	14
Approximate Sampling of Graphs with Near-P-Stable Degree Intervals	11
Bressoud–Subbarao Type Weighted Partition Identities for a Generalized Divisor Function	9
A Conjectured Formula for the Rational $$\varvec{q},\varvec{t}$$-Catalan Polynomial	6
Sequential Stub Matching for Asymptotically Uniform Generation of Directed Graphs with a Given Degree Sequence	6
On the Support of Grothendieck Polynomials	6
One-element Extensions of Hyperplane Arrangements	5
A Unified Combinatorial Treatment for Three Classical Truncated Theta Series	5
Two-Face Complete Regular Dessins	5
Diamond Cone for $${{\mathfrak {sl}}}(m,n)$$	5
Extremal Spectral Radius of Outplanar Graphs with Forbidden Structures	4
Defining Binary Phylogenetic Trees Using Parsimony	4
Logarithmic Concavity of Bimatroids	4
Asymptotics of Multivariate Sequences IV: Generating Functions with Poles on a Hyperplane Arrangement	4
The Space of Equidistant Phylogenetic Cactuses	4
Minimum Quantum Degrees for Isotropic Grassmannians in Types B and C	4
Fan Valuations and Spherical Intrinsic Volumes	4
A Combinatorial Characterization of Cluster Algebras: On the Number of Arrows of Cluster Quivers	3
Matching in Power Graphs of Finite Groups	3
Flexibility and Movability in Cayley Graphs	3
On Promotion and Quasi-Tangled Labelings of Posets	3
Gap Between the Number of Facets of the Two Poset Polytopes	3
Publisher Correction to: An Asymptotic Lower Bound on the Number of Polyominoes	3

Orthosymplectic Cauchy Identities	3
Arithmetic Properties of Certain t-Regular Partitions	3
Generalized Parking Function Polytopes	3
Multiplicity-Free Key Polynomials	3
Cluster Scattering Diagrams and Theta Functions for Reciprocal Generalized Cluster Algebras	3
Inequalities for Plane Partitions	3
Chainlink Polytopes and Ehrhart Equivalence	3
Factorisation of the Complete Bipartite Graph into Spanning Semiregular Factors	3
Polycubes with Small Perimeter Defect	2
Copartitions	2
Some More Identities of Kanade–Russell Type Derived Using Rosengren’s Method	2
A Multiparameter Refinement of Euler’s Theorem	2
Ramanujan’s Theta Functions and Parity of Parts and Cranks of Partitions	2
Jones’ Conjecture for Halin Graphs and a Bit More	2
Permutations with Exactly One Copy of a Monotone Pattern of Length k, and a Generalization	2
The Limit Theorem with Respect to the Matrices on Non-backtracking Paths of a Graph	2
The Free m-Cone of a Matroid and Its $${\mathcal {G}}$$-Invariant	2
On a Conjecture on Pattern-Avoiding Machines	2
Berkovich–Uncu Type Partition Inequalities Concerning Impermissible Sets and Perfect Power Frequencies	2
Shi Arrangements Restricted to Weyl Cones	2
Equitable and List Equitable Colorings of Planar Graphs Without 5-Cycles	2
Lattice Paths and Negatively Indexed Weight-Dependent Binomial Coefficients	2
Large $$p$$-Core $$p'$$-Partitions and Walks on the Additive Residue Graph	2
A Bollobás-Type Problem: From Root Systems to Erdős–Ko–Rado	2
Self-Reachable Configuration Polytopes for Trees	2
Polynomization of the Bessenrodt–Ono Type Inequalities for A-Partition Functions	2
Distinguishing and Reconstructing Directed Graphs by their $$\pmb {B}$$-Polynomials	2
Perfect Matching Complexes of Polygonal Line Tilings	2
On Partitions with Bounded Largest Part and Fixed Integral GBG-rank Modulo Primes	2
Extremal Totally Regular Mixed Graphs and Partially Oriented Incidence Graphs of Projective and Biaffine Planes	2
On the Subdivision Algebra for the Polytope $$\mathcal {U}_{I,\overline{J}}$$	1
Arithmetic Relations Modulo 3, 27 and 81 for Overpartitions	1
Coxeter Interchange Graphs	1
How do 9 Points Look Like in $$\mathbb {E}^3$$?	1
Polyhedra with Hexagonal and Triangular Faces and Three Faces Around Each Vertex	1
Overpartitions with Separated Overlined Parts and Non-overlined Parts	1
Dominance Regions for Rank Two Cluster Algebras	1
The Passing of Marko Petkovšek	1
On Generalizations of Theorems of MacMahon and Subbarao	1
The Multiplicity of Eigenvalues of $$A_{\alpha }$$ of Trees	1
On the Universality and Extremality of Graphs with a Distance Constrained Colouring	1
An Analogue of Mahonian Numbers and Log-Concavity	1
Nakayama Algebras of Small Homological Dimension and Pattern Avoiding Permutations	1
Insertion Algorithms for Gelfand $$S_n$$-Graphs	1
Grand-Schnyder Woods	1
Hydra Graphs for Graph LP Algebras	1
Lozenge Tilings of a Hexagon with a Horizontal Intrusion	1
Recursions for Multi-Component Extensions of the q-Dyson Constant Term Identity	1
Special Functions for Hyperoctahedral Groups Using Bosonic Lattice Models	1
Strongly Proper Connected Coloring of Graphs	1

Elementary Symmetric Partitions	1
Combinatorics of Euclidean Spaces over Finite Fields	1
The Idiosyncratic Polynomial of Digraphs	1
On a Problem of Douglass and Ono for the Plane Partition Function	1
General Position Sets, Colinear Sets, and Sierpiński Product Graphs	1
The Prym Variety of a Dilated Double Cover of Metric Graphs	1
On d-Permutations and Pattern Avoidance Classes	1
Orientable Vertex Primitive Complete Maps	1
Regularity of Powers and Symbolic Powers of Edge Ideals of Cubic Circulant Graphs	1
Weak Dual Equivalence for Polynomials	1
All Cycle-Chords are e-Positive	1
Congruence Modulo 4 for Andrews’ Even Parts Below Odd Parts Partition Function	1
Extremal $$\varvec{\{ p, q \}}$$-Animals	1
Partitions with Fixed Points in the Sequence of First-Column Hook Lengths	1
Zeta Functions of Geometrically Finite Graphs of Groups	1
The Rank of the Sandpile Group of Random Directed Bipartite Graphs	1
A Combinatorial Interpretation of the Series for Rogers–Ramanujan–Gordon Identities when $$k=3$$	1
Techniques in Equivariant Ehrhart Theory	1
Embedding Dimensions of Simplicial Complexes on Few Vertices	1
Exploring the Closure Operator for Minimal a, b-Separators: Insights from Galois Connections	1
A Determinantal Formula for Orthosymplectic Schur Functions	1
Rational Angles and Tilings of the Sphere by Congruent Quadrilaterals	1
On the Asymptotics of Certain Colored Partitions	1
Pattern Hopf Algebras	1
Bessenrodt–Ono Inequalities for $$\ell $$-Tuples of Pairwise Commuting Permutations	1
Some Consequences of the Valley Delta Conjectures	1
Strict Log-Subadditivity for Overpartition Rank	1
Proof of the Plethystic Murnaghan–Nakayama Rule Using Loehr’s Labelled Abacus	1
Acyclic Reorientation Lattices and Their Lattice Quotients	1