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 2021-11-01 to 2025-11-01.)

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	11
Bressoud–Subbarao Type Weighted Partition Identities for a Generalized Divisor Function	9
Approximate Sampling of Graphs with Near-P-Stable Degree Intervals	9
On the Support of Grothendieck Polynomials	6
Asymptotics of Multivariate Sequences IV: Generating Functions with Poles on a Hyperplane Arrangement	6
Sequential Stub Matching for Asymptotically Uniform Generation of Directed Graphs with a Given Degree Sequence	6
One-element Extensions of Hyperplane Arrangements	5
A Conjectured Formula for the Rational $$\varvec{q},\varvec{t}$$-Catalan Polynomial	5
A Unified Combinatorial Treatment for Three Classical Truncated Theta Series	4
Defining Binary Phylogenetic Trees Using Parsimony	4
Logarithmic Concavity of Bimatroids	4
The Space of Equidistant Phylogenetic Cactuses	4
Extremal Spectral Radius of Outplanar Graphs with Forbidden Structures	4
Two-Face Complete Regular Dessins	4
Minimum Quantum Degrees for Isotropic Grassmannians in Types B and C	4
Fan Valuations and Spherical Intrinsic Volumes	4
Diamond Cone for $${{\mathfrak {sl}}}(m,n)$$	4
Multiplicity-Free Key Polynomials	3
On Promotion and Quasi-Tangled Labelings of Posets	3
Gap Between the Number of Facets of the Two Poset Polytopes	3
Flexibility and Movability in Cayley Graphs	3
Orthosymplectic Cauchy Identities	3
Matching in Power Graphs of Finite Groups	3

Inequalities for Plane Partitions	3
Generalized Parking Function Polytopes	3
Arithmetic Properties of Certain t-Regular Partitions	3
Factorisation of the Complete Bipartite Graph into Spanning Semiregular Factors	3
A Combinatorial Characterization of Cluster Algebras: On the Number of Arrows of Cluster Quivers	3
Publisher Correction to: An Asymptotic Lower Bound on the Number of Polyominoes	3
Cluster Scattering Diagrams and Theta Functions for Reciprocal Generalized Cluster Algebras	3
Chainlink Polytopes and Ehrhart Equivalence	3
Some More Identities of Kanade–Russell Type Derived Using Rosengren’s Method	2
Polynomization of the Bessenrodt–Ono Type Inequalities for A-Partition Functions	2
Polycubes with Small Perimeter Defect	2
Ramanujan’s Theta Functions and Parity of Parts and Cranks of Partitions	2
Permutations with Exactly One Copy of a Monotone Pattern of Length k, and a Generalization	2
Berkovich–Uncu Type Partition Inequalities Concerning Impermissible Sets and Perfect Power Frequencies	2
Copartitions	2
A Bollobás-Type Problem: From Root Systems to Erdős–Ko–Rado	2
Shi Arrangements Restricted to Weyl Cones	2
On Partitions with Bounded Largest Part and Fixed Integral GBG-rank Modulo Primes	2
The Free m-Cone of a Matroid and Its $${\mathcal {G}}$$-Invariant	2
On a Conjecture on Pattern-Avoiding Machines	2
A Multiparameter Refinement of Euler’s Theorem	2
Self-Reachable Configuration Polytopes for Trees	2
Equitable and List Equitable Colorings of Planar Graphs Without 5-Cycles	2
Large $$p$$-Core $$p'$$-Partitions and Walks on the Additive Residue Graph	2
Distinguishing and Reconstructing Directed Graphs by their $$\pmb {B}$$-Polynomials	2
Perfect Matching Complexes of Polygonal Line Tilings	1
The Passing of Marko Petkovšek	1
Special Functions for Hyperoctahedral Groups Using Bosonic Lattice Models	1
A Determinantal Formula for Orthosymplectic Schur Functions	1
Weak Dual Equivalence for Polynomials	1
Central Limit Theorem for Peaks of a Random Permutation in a Fixed Conjugacy Class of $$S_n$$	1
Partitions with Fixed Points in the Sequence of First-Column Hook Lengths	1
Insertion Algorithms for Gelfand $$S_n$$-Graphs	1
Combinatorics of Euclidean Spaces over Finite Fields	1
An Analogue of Mahonian Numbers and Log-Concavity	1
Bessenrodt–Ono Inequalities for $$\ell $$-Tuples of Pairwise Commuting Permutations	1
Strongly Proper Connected Coloring of Graphs	1
Polyhedra with Hexagonal and Triangular Faces and Three Faces Around Each Vertex	1
Zeta Functions of Geometrically Finite Graphs of Groups	1
Embedding Dimensions of Simplicial Complexes on Few Vertices	1
Acyclic Reorientation Lattices and Their Lattice Quotients	1
The Idiosyncratic Polynomial of Digraphs	1
Lattice Paths and Negatively Indexed Weight-Dependent Binomial Coefficients	1
Congruence Modulo 4 for Andrews’ Even Parts Below Odd Parts Partition Function	1
Nakayama Algebras of Small Homological Dimension and Pattern Avoiding Permutations	1
Orientable Vertex Primitive Complete Maps	1
On the Subdivision Algebra for the Polytope $$\mathcal {U}_{I,\overline{J}}$$	1
Complete Circular Regular Dessins of Type $$\{2^e,2^f\}$$ I: Metacyclic Case	1
Some Consequences of the Valley Delta Conjectures	1
On d-Permutations and Pattern Avoidance Classes	1

Regularity of Powers and Symbolic Powers of Edge Ideals of Cubic Circulant Graphs	1
All Cycle-Chords are e-Positive	1
Techniques in Equivariant Ehrhart Theory	1
Exploring the Closure Operator for Minimal a, b-Separators: Insights from Galois Connections	1
General Position Sets, Colinear Sets, and Sierpiński Product Graphs	1
The Limit Theorem with Respect to the Matrices on Non-backtracking Paths of a Graph	1
Arithmetic Relations Modulo 3, 27 and 81 for Overpartitions	1
The Rank of the Sandpile Group of Random Directed Bipartite Graphs	1
Grand-Schnyder Woods	1
On Generalizations of Theorems of MacMahon and Subbarao	1
Proof of the Plethystic Murnaghan–Nakayama Rule Using Loehr’s Labelled Abacus	1
Rational Angles and Tilings of the Sphere by Congruent Quadrilaterals	1
Pattern Hopf Algebras	1
Lozenge Tilings of a Hexagon with a Horizontal Intrusion	1
On the Universality and Extremality of Graphs with a Distance Constrained Colouring	1
Coxeter Interchange Graphs	1
Correction to: New Non-Existence Proofs for Ovoids of Hermitian Polar Spaces and Hyperbolic Quadrics	1
Strict Log-Subadditivity for Overpartition Rank	1
On a Problem of Douglass and Ono for the Plane Partition Function	1
Dominance Regions for Rank Two Cluster Algebras	1
How do 9 Points Look Like in $$\mathbb {E}^3$$?	1
Elementary Symmetric Partitions	1
Extremal $$\varvec{\{ p, q \}}$$-Animals	1
A Combinatorial Interpretation of the Series for Rogers–Ramanujan–Gordon Identities when $$k=3$$	1