Two interesting examples of $\mathcal{D}$-modules in characteristic $p>0$

Two theorems about maximal Cohen--Macaulay modules

Two way subtable sum problems and quadratic Groebner bases

Type sequences of one-dimensional local analytically irreducible rings

Ueber die Tiefe von Invariantenringen unendlicher Gruppen

Ultrafilter and Constructible topologies on spaces of valuation domains

Un module inversible associé au ruban de Möbius, et quelques autres

Uniform annihilators of local cohomology

Uniform Behaviour of the Frobenius closures of ideals generated by regular sequences

Uniform bounds in generalized Cohen-Macaulay rings

Unique representation domains, II

Uniquely presented finitely generated commutative monoids

Uniqueness of real closure * of regular rings

Universal denominators of Hilbert series

Universal Enveloping Algebras of Lie Antialgebras

Universally catenarian integral domains, strong S-domains and semistar operations

Universally Koszul algebras defined by graphs

Unmixed bipartite graphs and sublattices of the Boolean lattices

Unmixed Graphs that are Domains

Unmixed local rings with minimal Hilbert-Kunz multiplicity are regular