Combinatorics & discrete mathematics
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- An O(klog(n/k)) Bound on Spanning Bipartite Connectivity
- Nonexistence results and constructions for signed difference sets
- Structure of ENO Entropy Dissipation: Parity Dichotomy for the ENO--TV Conjecture and Shift Cohomology
- Generalized Nordhaus--Gaddum Inequalities for Eigenvalues
- A quadratic refinement of Jackson's \CE\ condition for Hamilton cycles in digraphs
- Spectral width and polynomial degree in perfect state transfer
- Counterexamples to a conjecture of Kamenetsky on OEIS A173419
- A proof of the Athanasiadis-Chapoton ordinal-sum conjecture
- The weighted union-set conjecture is false
- Latin Eulerian Numbers
- The unique extremal threemodular lattice of rank 26, the generalized hexagon (2,8), and the tight Cayley-plane $5$-design
- Symmetry reductions and recurrence degrees for banded Toeplitz determinants and permanents
- The lattice covering density of the regular octahedron
- Line arrangements, bounded cells, and discrepancy
- Counting edge-colorings of a complete graph avoiding a rainbow K4
- Degree sequence condition for pancyclicity in tough graphs
- Counting and Covering in Nearest-Neighbour Representations of Boolean Functions
- Maximal proper extremal subset in the crystal basis of a finite-dimensional irreducible module
- An improved upper bound for the fair domination number of maximal outerplanar graphs
- Unique mutation cycles of nucleus-extension quivers
- A twelve-term exclusion for the small Davenport constant of E2× C3r
- Acyclic Dicolourings of Oriented Graphs: Paths, Random Tournaments, and Critical Orders
- An Odd Pfaffian Number
- Sharp Edge-Edit Bounds at Every Level for Leaky Positive Semidefinite Forcing
- Butson Hadamard Matrices from Pairs of Gauss Sums