OOIR: Observatory of International Research

Papers

(The TQCC of Journal of Combinatorial Theory Series A is 3. 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 2022-05-01 to 2026-05-01.)

Article	Citations
Asymptotics for real monotone double Hurwitz numbers	31
Proof of Lew's conjecture on the spectral gaps of simplicial complexes	23
Combinatorics on bi-γ-positivity of 1/k-Eulerian polynomials	21
Lattice paths and (n − 2)-stack sortable permutations	19
Editorial Board	17
Stirling's approximation and a hidden link between two of Ramanujan's approximations	15
Normal edge-transitive Cayley graphs on non-abelian simple groups	14
Editorial Board	14
Indecomposable involutive solutions of the Yang-Baxter equation of multipermutation level 2 with non-abelian permutation group	14
Separable elements and splittings in Weyl groups of type B	14
Large sum-free sets in Z5	13
On the polymatroid Tutte polynomial	12
An infinite family of hyperovals of Q+(5,q), q even	12
Kernels for storage capacity and dual index coding	11
Studying the divisibility of power LCM matrices by power GCD matrices on gcd-closed sets	11
Linkage of graphs with flows	10
Proofs of some conjectures of Merca on truncated series involving the Rogers-Ramanujan functions	10
Pattern occurrences in k-ary words revisited: A few new and old observations	10
q-Supercongruences from Jackson's ϕ7	10
Congruences for the smallest parts function associated with ω(q)	10
Structure of Terwilliger algebras of quasi-thin association schemes	9
Sidon sets, thin sets, and the nonlinearity of vectorial Boolean functions	9
An asymmetric random Rado theorem: 1-statement	9
Monochromatic arithmetic progressions in automatic sequences with group structure	9
On common energies and sumsets	8

On the proportion of metric matroids whose Jacobians have nontrivial p-torsion	8
Edge-isoperimetric inequalities and ball-noise stability: Linear programming and probabilistic approaches	8
Semicomplete multipartite weakly distance-regular digraphs	8
Characterization of polystochastic matrices of order 4 with zero permanent	8
Successive vertex orderings of fully regular graphs	8
k-Adjoint of hyperplane arrangements	7
Non-empty pairwise cross-intersecting families	7
Editorial Board	7
Chiral polytopes whose smallest regular cover is a polytope	7
Non-expansive matrix number systems with bases similar to certain Jordan blocks	7
The method of constant terms and k-colored generalized Frobenius partitions	7
Editorial Board	7
The second lowest two-sided cell in the affine Weyl group B	6
Some conjectures of Ballantine and Merca on truncated sums and the minimal excludant in congruences classes	6
Linked partition ideals and the Alladi–Schur theorem	6
The vector space generated by permutations of a trade or a design	6
Power-free complementary binary morphisms	6
A Torelli theorem for graph isomorphisms	6
Gcd-closed sets and divisibility of Smith matrices	6
On the generation of some Lie-type geometries	6
Intersection density of imprimitive groups of degree pq	6
On the non-existence of extended 1-perfect codes and MDS codes	6
Editorial Board	6
On the soluble graph of a finite group	6
Birational geometry of generalized Hessenberg varieties and the generalized Shareshian-Wachs conjecture	6
Editorial Board	6
The geometry of intersecting codes and applications to additive combinatorics and factorization theory	6
Characterizations of amorphic schemes and fusions of pairs	6
Normalized characters of symmetric groups and Boolean cumulants via Khovanov's Heisenberg category	5
New string attractor-based complexities for infinite words	5
Trianguloids and triangulations of root polytopes	5
CI-property of C5
Restricted bargraphs and unimodal compositions	5
A bijection for length-5 patterns in permutations	5
Cut distance identifying graphon parameters over weak* limits	5
A short combinatorial proof of dimension identities of Erickson and Hunziker	4
The Weisfeiler-Leman stabilization of a tree	4
Two counterparts of the TFK formula for cylinder graphs	4
Contributions to Ma's conjecture concerning abelian difference sets with multiplier −1 (I)	4
Some expansion formulas for q-series and their applications	4
The Schur polynomials in all primitive nth roots of unity	4
Diametric problem for permutations with the Ulam metric (optimal anticodes)	4
Editorial Board	4
Quasimodular forms arising from Jacobi's theta function and special symmetric polynomials	4
On nontrivial cross-t-intersecting families	4
A further look at the sum of the parts with the same parity in the partitions of n	4
Linear configurations containing 4-term arithmetic progressions are uncommon	4
More on r-cross t-intersecting families for vector spaces	4
Multivariate P- and/or Q-polynomial association schemes	4
Stirling permutation codes. II	4

Explicit upper bounds for the Stirling numbers of the first kind	4
Reconstruction of hypermatrices from subhypermatrices	4
On the deepest cycle of a random mapping	4
The Frankl-Pach upper bound is not tight for any uniformity	4
Infinite monochromatic patterns in the integers	4
Perfect codes in vertex-transitive graphs	3
Stirling permutation codes	3
The group structures of automorphism groups of elliptic curves over finite fields and their applications to optimal locally repairable codes	3
Neighbour-transitive codes in Kneser graphs	3
A rank two Leonard pair in Terwilliger algebras of Doob graphs	3
Proving identities on weight polynomials of tiered trees via Tutte polynomials	3
An improved lower bound for multicolor Ramsey numbers and a problem of Erdős	3
Improved Elekes-Szabó type estimates using proximity	3
A Kruskal–Katona-type theorem for graphs: q-Kneser graphs	3
Proof of Frankl's conjecture on cross-intersecting families	3
Most plane curves over finite fields are not blocking	3
Van Lint–MacWilliams' conjecture and maximum cliques in Cayley graphs over finite fields	3
Quadratic sets on the Klein quadric	3
Nowhere-zero 3-flows in Cayley graphs on supersolvable groups	3
Point-line geometries related to binary equidistant codes	3
Exceptional 2-to-1 rational functions	3
Induced arithmetic removal for partition-regular patterns of complexity 1	3
On linear diameter perfect Lee codes with distance 6	3
Sum formulas for Schur multiple zeta values	3
Explicit formulas for a family of hypermaps beyond the one-face case	3
Linked partition ideals and a family of quadruple summations	3
New results on orthogonal arrays OA(3,5,4n + 2)	3
Proof of Dilks' bijectivity conjecture on Baxter permutations	3
Superport networks	3
On the difference of the enhanced power graph and the power graph of a finite group	3
Combinatorics of integer partitions with prescribed perimeter	3