activity
20162026
most citedImproved decay of conical averages of the Fourier transform

10 citations · 48 across the 18 of their papers we have counts for

collaborators

19 papers

math.CA2026

The divergence set for the wave equation in higher dimensions

Xiumin Du, Terence L. J. Harris, Jianhui Li

It is shown that if solves the wave equation in with initial data and , whe…

math.CA2026

On the parabolic Hausdorff dimension of orthogonal projections

Terence L. J. Harris, Pertti Mattila

For Borel sets we prove lower bounds for the parabolic Hausdorff dimension of the orthogonal projections of on generic -dimensional…

math.AP2026

Maximal inequalities and the decay of Fourier transforms of measures

Terence L. J. Harris

It is shown that Schrödinger maximal inequalities over fractals are equivalent to the decay rates of Fourier transforms of fractal measures over the paraboloid. A similar con…

math.CA2023★ 2 cited

Vertical projections in the Heisenberg group for sets of dimension greater than 3

Terence L. J. Harris

It is shown that vertical projections in the Heisenberg group of sets of dimension strictly greater than 3 almost surely have positive area. The proof uses the point-plate incidenc…

math.CA2022★ 1 cited

Length of sets under restricted families of projections onto lines

Terence L. J. Harris

Let be a curve with nonvanishing, and for each let be orthogonal projection onto the span of . It is shown that if $A \…

math.CA2022★ 3 cited

On restricted projections to planes in

Shengwen Gan, Shaoming Guo, Larry Guth +3

Let be a non-degenerate curve in , that is to say, . For each , let $V_θ=γ(θ)^\pe…

math.CA2022★ 2 cited

A Euclidean Fourier-analytic approach to vertical projections in the Heisenberg group

Terence L. J. Harris

An improved a.e. lower bound is given for Hausdorff dimension under vertical projections in the first Heisenberg group, with respect to the Carnot-Carathéodory metric. This improve…

math.CA2021

Fourier dimension of the cone

Terence L. J. Harris

It is shown that the cone in has Fourier dimension . This verifies a conjecture of Fraser and Kroon.

math.CA2021★ 3 cited

Restricted families of projections onto planes: The general case of nonvanishing geodesic curvature

Terence L. J. Harris

It is shown that if is with , and if is a Borel set, then $\dim π_θ (A) \geq \min\left\{ 2,\dim A, \fra…

math.CA2021★ 5 cited

On the Fourier dimension of -sets and Kakeya sets with restricted directions

Jonathan M. Fraser, Terence L. J. Harris, Nicholas G. Kroon

A -set is a subset of containing a -dimensional unit ball of all possible orientations. Using an approach of D.~Oberlin we prove various Fourier dimension…

math.CA2021

Low dimensional pinned distance sets via spherical averages

Terence L. J. Harris

An inequality is derived for the average -energy of pinned distance measures, where . This refines Mattila's theorem on distance sets to pinned distance sets, and giv…

math.CA2020★ 2 cited

Fourier decay of fractal measures on hyperboloids

Alex Barron, M. Burak Erdogan, Terence L. J. Harris

Let be an -dimensional probability measure. We prove new upper and lower bounds on the decay rate of hyperbolic averages of the Fourier transform . More precisely…

math.MG2020★ 3 cited

Dimension Distortion by Right Coset Projections in the Heisenberg Group

Terence L. J. Harris, Chi N. Y. Huynh, Fernando Roman-Garcia

We study the family of vertical projections whose fibers are right cosets of horizontal planes in the Heisenberg group, . We prove lower bounds for Hausdorff dimensio…

math.CA2019★ 4 cited

Improved bounds for restricted projection families via weighted Fourier restriction

Terence L. J. Harris

It is shown that if is a Borel set of Hausdorff dimension , then for a.e. the projection of onto the 2-d…

math.CA2018★ 5 cited

An a.e. lower bound for Hausdorff dimension under vertical projections in the Heisenberg group

Terence L. J. Harris

An improved a.e. lower bound is given for Hausdorff dimension under vertical projections in the first Heisenberg group.

math.AP2018★ 10 cited

Improved decay of conical averages of the Fourier transform

Terence L. J. Harris

An improved lower bound is given for the decay of conical averages of Fourier transforms of measures, for cones of dimension . The proof uses a weighted version of the br…

math.AP2018★ 1 cited

Refined Strichartz inequalities for the wave equation

Terence L. J. Harris

Some analogues of the Schrödinger refined Strichartz inequalities (Du, Guth, Li and Zhang) are obtained for the wave equation. These are used to improve the best known fracta…

math.AP2017★ 6 cited

Two-by-two upper triangular matrices and Morrey's conjecture

Terence L. J. Harris, Bernd Kirchheim, Chun-Chi Lin

It is shown that every homogeneous gradient Young measure supported on matrices of the form $\begin{pmatrix} a_{1,1} & \cdots & a_{1,n-1} & a_{1,n} \\ 0 & \cdots & 0 & a_{2,n} \end…

math.AP2016★ 1 cited

Upper semicontinuity of the lamination hull

Terence L. J. Harris

Let be a compact set, let be its rank-one convex hull, and let be its lamination convex hull. It is shown that the mapping $K…