U-turn Alternating Sign Matrices, Symplectic Shifted Tableaux and Their Weighted Enumeration
ULD-Lattices and Delta-Bonds
Umbral presentations for polynomial sequences
Un déterminant reproduisant
Un invariant remarquable des polytopes simples
Unavoidable Parallel Minors of 4-Connected Graphs
Unavoidable patterns
Unbounded regions of Infinitely Logconcave Sequences
Uncountable Graphs and Invariant Measures on the Set of Universal Countable Graphs
Uncoverings on graphs and network reliability
Undecidability of linear inequalities in graph homomorphism densities
Understanding Set Cover: Sub-exponential Time Approximations and Lift-and-Project Methods
Une conjecture de Kontsevich et Shoikhet et la caracteristique d'Euler
Une identité en théorie des partitions
Une identité remarquable en théorie des partitions
Une q - spécialisation pour les fonctions symétriques monomiales
Uneven Splitting of Ham Sandwiches
Unexpected behaviour of crossing sequences
Unified bijections for maps with prescribed degrees and girth
Unifom chains of small transfinite rank