Asymptotically exact functional error estimators based on superconvergent gradient recovery. - Jeffrey S. Ovall (Numerische Mathematik, 2006)

Hierarchical matrix techniques for a domain decomposition algorithm. - Jeffrey S. Ovall (Computing, 2007)

Function, Gradient, and Hessian Recovery Using Quadratic Edge-Bump Functions. - Jeffrey S. Ovall (SIAM J. Numer. Anal., 2007)

Dual Functions for a Parallel Adaptive Method. - Randolph E. Bank; Jeffrey S. Ovall (SIAM J. Sci. Comput., 2007)

A high-order integral algorithm for highly singular PDE solutions in Lipschitz domains. - Oscar P. Bruno; Jeffrey S. Ovall; Catalin Turc (Computing, 2009)

On estimators for eigenvalue/eigenvector approximations. - Luka Grubisic; Jeffrey S. Ovall (Math. Comput., 2009)

Error control for $$hp$$ -adaptive approximations of semi-definite eigenvalue problems. - Stefano Giani; Luka Grubisic; Jeffrey S. Ovall (Computing, 2013)

Rapid error reduction for block Gauss-Seidel based on p-hierarchical basis. - Sabine Le Borne; Jeffrey S. Ovall (Numer. Linear Algebra Appl., 2013)

A posteriori error estimation of hierarchical type for the Schrödinger operator with inverse square potential. - Hengguang Li; Jeffrey S. Ovall (Numerische Mathematik, 2014)

Robust error estimates for approximations of non-self-adjoint eigenvalue problems. - Stefano Giani; Luka Grubisic; Agnieszka Miedlar; Jeffrey S. Ovall (Numerische Mathematik, 2016)

The Laplacian and Mean and Extreme Values. - Jeffrey S. Ovall (Am. Math. Mon., 2016)

A Posteriori Estimates Using Auxiliary Subspace Techniques. - Harri Hakula; Michael Neilan; Jeffrey S. Ovall (J. Sci. Comput., 2017)

Some remarks on interpolation and best approximation. - Randolph E. Bank; Jeffrey S. Ovall (Numerische Mathematik, 2017)

An a posteriori estimator of eigenvalue/eigenvector error for penalty-type discontinuous Galerkin methods. - Stefano Giani; Luka Grubisic; Harri Hakula; Jeffrey S. Ovall (Appl. Math. Comput., 2018)

A Nyström-based finite element method on polygonal elements. - Akash Anand; Jeffrey S. Ovall; Steffen Weißer (Comput. Math. Appl., 2018)

A High-Order Method for Evaluating Derivatives of Harmonic Functions in Planar Domains. - Jeffrey S. Ovall; Samuel E. Reynolds (SIAM J. Sci. Comput., 2018)

Analysis of FEAST Spectral Approximations Using the DPG Discretization. - Jay Gopalakrishnan; Luka Grubisic; Jeffrey S. Ovall; Benjamin Parker (Comput. Methods Appl. Math., 2019)

Spectral discretization errors in filtered subspace iteration. - Jay Gopalakrishnan; Luka Grubisic; Jeffrey S. Ovall (Math. Comput., 2020)

Trefftz Finite Elements on Curvilinear Polygons. - Akash Anand; Jeffrey S. Ovall; Samuel E. Reynolds; Steffen Weißer (SIAM J. Sci. Comput., 2020)

A Posteriori Error Estimates for Elliptic Eigenvalue Problems Using Auxiliary Subspace Techniques. - Stefano Giani; Luka Grubisic; Harri Hakula; Jeffrey S. Ovall (J. Sci. Comput., 2021)

Quadrature for implicitly-defined finite element functions on curvilinear polygons. - Jeffrey S. Ovall; Samuel E. Reynolds (Comput. Math. Appl., 2022)

Korn's Inequality and Eigenproblems for the Lamé Operator. - Sebastián A. Domínguez-Rivera; Nilima Nigam; Jeffrey S. Ovall (Comput. Methods Appl. Math., 2022)

An algorithm for identifying eigenvectors exhibiting strong spatial localization. - Jeffrey S. Ovall; Robyn Reid (Math. Comput., 2022)

Detecting eigenvectors of an operator that are near a specified subspace. - David Darrow; Jeffrey S. Ovall (CoRR, 2024)

A Canonical Gauge for Computing of Eigenpairs of the Magnetic Schrödinger Operator. - Jeffrey S. Ovall; Li Zhu (CoRR, 2024)

Evaluation of Inner Products of Implicitly Defined Finite Element Functions on Multiply Connected Planar Mesh Cells. - Jeffrey S. Ovall; Samuel E. Reynolds (SIAM J. Sci. Comput., 2024)

Adaptive refinement for eigenvalue problems based on an associated source problem. - Stefano Giani; Jeffrey S. Ovall; Gabriel Pinochet-Soto (CoRR, 2025)