Update on Modular Non-Rigid Calabi-Yau Threefolds

Upgrading and Downgrading Torus Actions

Upper Bounds for the Betti Numbers of a given Hilbert Function

Upper bounds for the essential dimension of the moduli stack of ${\sl_{n}}$-bundles over a curve

Upper bounds of topology of complex polynomials in two variables

Upper motives of algebraic groups and incompressibility of Severi-Brauer varieties

Upper motives of outer algebraic groups

Upper motives of products of projective linear groups

Using stacks to impose tangency conditions on curves

Using symmetry to count rational curves

Using Tropical Degenerations For Proving The Nonexistence Of Certain Nets

UVW relations over a subvariety of a hyperelliptic Jacobian

Valuations and asymptotic invariants for sequences of ideals

Values of zeta functions at negative integers, Dedekind sums and toric geometry

Van Geemen--Sarti involutions and elliptic fibrations on K3 surfaces double cover of $\mathbb{P}^2$

Vanishing and injectivity theorems for LMMP

Vanishing cycle sheaves of one-parameter smoothings and quasi-semistable degenerations

Vanishing cycles and Hermitian duality

Vanishing cycles and singularities of meromorphic functions

Vanishing Cycles and Thom's $a_f$ Condition