**Vu** (2024). Discontinuous Galerkin scheme for elliptic equations on extremely stretched grids. Phys. Rev. D 110, 8, p. 084062. arXiv:2405.06120.

Computational physicist at Caltech in numerical relativity, computational astrophysics, and high-performance computing. Developing the next generation of massively parallel simulations of black holes. Also passionate about software development, design, data visualisation and teaching.

I changed my last name from **Fischer** to **Vu** in 2022.

# Recent publications

Lovelace, Nelli, Deppe, **Vu**, *et al.* (2024). Simulating binary black hole mergers using discontinuous Galerkin methods. *Submitted to* Class. Quantum Grav. arXiv:2410.00265.

Chen, Boyle, Deppe, Kidder, *et al.* (2024). Improved frequency spectra of gravitational waves with memory in a binary-black-hole simulation. Phys. Rev. D 110, 6, p. 064049. arXiv:2405.06197.

Ma, Nelli, Moxon, Scheel, *et al.* (2024). Einstein-Klein-Gordon system via Cauchy-characteristic evolution: Computation of memory and ringdown tail. arXiv:2409.06141.

Zertuche, Stein, Mitman, Field, *et al.* (2024). High-Precision Ringdown Surrogate Model for Non-Precessing Binary Black Holes. arXiv:2408.05300.

Lara, Pfeiffer, Wittek, **Vu**, *et al.* (2024). Scalarization of isolated black holes in scalar Gauss-Bonnet theory in the fixing-the-equations approach. Phys. Rev. D 110, 2, p. 024033. arXiv:2403.08705.

Deppe, Foucart, Bonilla, Boyle, *et al.* (2024). Binary neutron star mergers using a discontinuous Galerkin-finite difference hybrid method. arXiv:2406.19038.

Nee, Lara, Pfeiffer, and **Vu** (2024). Quasistationary hair for binary black hole initial data in scalar Gauss-Bonnet gravity. *Submitted to* Phys. Rev. D. arXiv:2406.08410.

Ma, Moxon, Scheel, Nelli, *et al.* (2024). Fully relativistic three-dimensional Cauchy-characteristic matching for physical degrees of freedom. Phys. Rev. D 109, 12, p. 124027. arXiv:2308.10361.

Clarke, Isi, Lasky, Thrane, *et al.* (2024). Toward a self-consistent framework for measuring black hole ringdowns. Phys. Rev. D 109, 12, p. 124030. arXiv:2402.02819.

# Recent side projects

## Visualization of a black hole scattering and capture event

A **visualization** I created **in 2024**.

Rendering of a simulation with two black holes that scatter and then merge, emitting gravitational waves.

## Visualization of GW190521

A **visualization** I created **in 2020**.

Renderings of the particulary high-mass gravitational-wave event measured by LIGO and Virgo on May 21, 2019.

## Visualization of GW190814

A **visualization** I created **in 2020**.

Renderings of the highly unequal-mass gravitational-wave event measured by LIGO and Virgo on Aug 14, 2019.

## Visualization of GW190412

A **visualization** I created **in 2020**.

Widely publicized renderings of the first unequal-mass and precessing gravitational-wave event measured by LIGO and Virgo on Apr 12, 2019.