activity
20192026
most citedContinuity and canceling operators of order on

9 citations · 20 across the 19 of their papers we have counts for

collaborators

21 papers

cond-mat.mtrl-sci2026

Structural identification in general crystalline systems via Voronoi cell topology

Emanuel A. Lazar, Chris H. Rycroft

Widely used methods for identifying crystal structure in atomistic simulations are limited in practice to a handful of simple structures, leaving many important crystalline systems…

math.DG2026

Sharp partial regularity of Hamiltonian stationary and special Lagrangian graphs

Arunima Bhattacharya, Gerard Orriols, Anna Skorobogatova

We prove a sharp partial regularity result for Hamiltonian stationary Lagrangian Lipschitz submanifolds in arbitrary smooth almost Kähler manifolds: every weak solution of the corr…

math.AP2026

Minimizing clusters with prescribed asymptotic geometry

Robin Neumayer, Michael Novack, Anna Skorobogatova

We construct locally minimizing -clusters whose exterior interfaces are asymptotic to various prescribed singular area-minimizing cones. For , Bronsard & Novack…

math.AP2025

On the geometric properties of multi-operator two-phase elliptic measure

Max Goering, Anna Skorobogatova

We provide a structural characterization of a given boundary using two-phase elliptic measure in a multi-operator setting, extending to this novel setting results of Kenig, Preiss…

math.AP2025

On the non-uniqueness of locally minimizing clusters via singular cones

Lia Bronsard, Robin Neumayer, Michael Novack +1

We construct partitions of into three sets that locally minimize interfacial area among compactly supported volume…

math.AP2025

Structure of two-dimensional mod area-minimizing currents near flat singularities: the codimension one case

Anna Skorobogatova, Luca Spolaor, Salvatore Stuvard

We obtain a fine structural result for two-dimensional mod area-minimizing currents of codimension one, close to flat singularities. Precisely, we show that, locally around an…

math.DG2025

Hausdorff measure bounds for density- flat singularities of minimizing integral currents

Gianmarco Caldini, Anna Skorobogatova

In this article we prove that the set of flat singular points of locally highest density of area-minimizing integral currents of dimension and general codimension in a smooth R…

math.AP2024

Free boundary regularity for semilinear variational problems with a topological constraint

Michael Novack, Daniel Restrepo, Anna Skorobogatova

We study a class of semilinear free boundary problems in which admissible functions have a topological constraint, or spanning condition, on their 1-level set. This constraint…

math.AP2024★ 1 cited

Rectifiability of the singular set and uniqueness of tangent cones for semicalibrated currents

Paul Minter, Davide Parise, Anna Skorobogatova +1

We prove that the singular set of an -dimensional integral current in , semicalibrated by a -form is countably -rectifiable.…

math.CA2024

Sobolev extension in a simple case

Marjorie Drake, Charles Fefferman, Kevin Ren +1

In this paper, we establish the existence of a bounded, linear extension operator when and is a finite subset of $\mathbb{R}^2…

math.AP2024★ 1 cited

Fine Structure of Singularities in Area-Minimizing Currents Mod

Camillo De Lellis, Paul Minter, Anna Skorobogatova

We study fine structural properties related to the interior regularity of -dimensional area minimizing currents mod in arbitrary codimension. We show: (i) the set of points…

math.AP2023★ 1 cited

Flat interior singularities for area almost-minimizing currents

Max Goering, Anna Skorobogatova

The interior regularity of area-minimizing integral currents and semi-calibrated currents has been studied extensively in recent decades, with sharp dimension estimates established…

math.AP2023

Variational integrals on Hessian spaces: partial regularity for critical points

Arunima Bhattacharya, Anna Skorobogatova

We develop regularity theory for critical points of variational integrals defined on Hessian spaces of functions on open, bounded subdomains of , under compactly supp…

math.AP2023

Rectifiability of flat singular points for area-minimizing mod hypercurrents

Anna Skorobogatova

Consider an -dimensional area minimizing mod current , with , inside a sufficiently regular Riemannian manifold of dimension . We show that the s…

math.AP2023★ 3 cited

The fine structure of the singular set of area-minimizing integral currents II: rectifiability of flat singular points with singularity degree larger than

Camillo De Lellis, Anna Skorobogatova

We consider an area-minimizing integral current of codimension higher than in a smooth Riemannian manifold . In a previous paper we have subdivided the set of interior s…

math.AP2023

The Fine Structure of the Singular Set of Area-Minimizing Integral Currents III: Frequency 1 Flat Singular Points and -a.e. Uniqueness of Tangent Cones

Camillo De Lellis, Paul Minter, Anna Skorobogatova

We consider an area-minimizing integral current of codimension higher than 1 ins a smooth Riemannian manifold . We prove that has a unique tangent cone, which is a super…

math.AP2023★ 3 cited

The fine structure of the singular set of area-minimizing integral currents I: the singularity degree of flat singular points

Camillo De Lellis, Anna Skorobogatova

We consider an area-minimizing integral current of dimension and codimension at least and fix an arbitrary interior singular point where at least one tangent cone is fl…

math.DG2021

An upper Minkowski bound for the interior singular set of area minimizing currents

Anna Skorobogatova

We show that for an area minimizing -dimensional integral current of codimension at least 2 inside a sufficiently regular Riemannian manifold, the upper Minkowski dimension…

math.AP2021

Higher integrability for measures satisfying a PDE constraint

Adolfo Arroyo-Rabasa, Guido De Philippis, Jonas Hirsch +2

We establish higher integrability estimates for constant-coefficient systems of linear PDEs \[ \mathcal{A} μ= σ, \] where and are ve…

math.AP2019★ 2 cited

A look into some of the fine properties of functions with bounded -variation

Adolfo Arroyo-Rabasa, Anna Skorobogatova

We establish certain fine properties for functions of bounded -variation known in the classical setting. Here, is a th order constant-coefficient h…

math.AP2019★ 9 cited

Continuity and canceling operators of order on

Bogdan Raiţă, Anna Skorobogatova

We prove that for elliptic and canceling linear differential operators of order on , continuity of a map can be inferred from the fact that $\mat…