## Member-at-large of APS Topical Group on Gravitation

Just one more committee

Just one more committee

Angular momentum is tricky to define in GR! Here’s an approach so that observers can all agree with each others’ measurements.

Finding the shape of extremal black holes in beyond-GR theories

Here to save you some algebra and column-inches

Just an update on talks I gave recently. Valeria Ferrari, Leonardo Gualtieri, and Paolo Pani hosted the conference “New Frontiers in Gravitational-Wave Astr...

One of the first numerical simulations of black hole mergers in beyond-GR effective field theories

My talk slides/movies from TG17 and APS17

My talk slides/movies from the FF2016 conference at Northwestern

My talk slides/movies from the GR21 conference in NYC

My talks slides/movies from the 2016 April APS meeting in SLC

Progress in understanding the structure of extremal black holes in Chern-Simons

Numerical solutions for rapidly-rotating dCS black holes show where the weak-coupling expansion breaks down.

Just one more committee

In theories of gravity that include a scalar field, a compact object’s scalar charge is a crucial quantity since it controls dipole radiation, which can be s...

Finding the shape of extremal black holes in beyond-GR theories

Here to save you some algebra and column-inches

Not all theories with long-ranged scalar fields produce dipole radiation in binaries

I missed the author index from LRR, so I rebuilt one.

Gravity theories beyond general relativity (GR) can change the properties of gravitational waves: their polarizations, dispersion, speed, and, importantly, e...

I hosted a Quora session. It went well!

I missed the author index from LRR, so I rebuilt one.

Interactive toy for visualizing relationship between polynomial roots and coefficients

Here to save you some algebra and column-inches

An identity between vector commutation coefficients and coframe connection coefficients

These three objects form a superalgebra! Whoa!

There is a nice 4-dimensional Weyl identity that I can never seem to remember off the top of my head; so I decided I need to write this note so I don’t have ...

Angular momentum is tricky to define in GR! Here’s an approach so that observers can all agree with each others’ measurements.

Gravity theories beyond general relativity (GR) can change the properties of gravitational waves: their polarizations, dispersion, speed, and, importantly, e...

In theories of gravity that include a scalar field, a compact object’s scalar charge is a crucial quantity since it controls dipole radiation, which can be s...

Finding the shape of extremal black holes in beyond-GR theories

Here to save you some algebra and column-inches

Just an update on talks I gave recently. Valeria Ferrari, Leonardo Gualtieri, and Paolo Pani hosted the conference “New Frontiers in Gravitational-Wave Astr...

One of the first numerical simulations of black hole mergers in beyond-GR effective field theories

My talk slides/movies from TG17 and APS17

My talk slides/movies from the EHT16 conference in Cambrige, MA

My talk slides/movies from the FF2016 conference at Northwestern

My talk slides/movies from the GR21 conference in NYC

My talks slides/movies from the 2016 April APS meeting in SLC

Invited review for CQG Focus Issue

Progress in understanding the structure of extremal black holes in Chern-Simons

Not all theories with long-ranged scalar fields produce dipole radiation in binaries

A major review on non-GR theories, black holes and neutron stars in non-GR theories, compact binaries in non-GR theories, and pulsar, gravitational-wave, and...

Numerical solutions for rapidly-rotating dCS black holes show where the weak-coupling expansion breaks down.

MIT PhD thesis of Leo C. Stein

In theories of gravity that include a scalar field, a compact object’s scalar charge is a crucial quantity since it controls dipole radiation, which can be s...

Modeling black holes’ kicks directly from numerical relativity

Finding the shape of extremal black holes in beyond-GR theories

Just an update on talks I gave recently. Valeria Ferrari, Leonardo Gualtieri, and Paolo Pani hosted the conference “New Frontiers in Gravitational-Wave Astr...

Whenever you’ve got symmetry, you should use it!

One of the first numerical simulations of black hole mergers in beyond-GR effective field theories

My talk slides/movies from TG17 and APS17

My talk slides/movies from the EHT16 conference in Cambrige, MA

My talk slides/movies from the FF2016 conference at Northwestern

My talk slides/movies from the GR21 conference in NYC

I’m on Episode 64 of the Titanium Physicists Podcast

My talks slides/movies from the 2016 April APS meeting in SLC

Interactive tool for visualizing spherical/circular photon orbits in Kerr

I hosted a Quora session. It went well!

Invited review for CQG Focus Issue

I’m on Episode 62 of the Titanium Physicists Podcast

Progress in understanding the structure of extremal black holes in Chern-Simons

Interactive tool to compute Kerr quantities

Interactive tool to compute ISCOs in Kerr

A major review on non-GR theories, black holes and neutron stars in non-GR theories, compact binaries in non-GR theories, and pulsar, gravitational-wave, and...

Numerical solutions for rapidly-rotating dCS black holes show where the weak-coupling expansion breaks down.

MIT PhD thesis of Leo C. Stein

I’m releasing into the wild a simple code for computing neutron star structure in the slow-rotation expansion to first and second order. This code was origi...

Here to save you some algebra and column-inches

How to get remote jupyter to automatically open a local browser.

I just created a repo on github for computing complete elliptic integrals in javascript. The README.md is below, and a demo after that. You might ask yoursel...

If you’re in the intersection of git, emacs, and persnickety about whitespace.

That moment when social media creates scientific collaboration

I’m releasing into the wild a simple code for computing neutron star structure in the slow-rotation expansion to first and second order. This code was origi...

Not all theories with long-ranged scalar fields produce dipole radiation in binaries

A major review on non-GR theories, black holes and neutron stars in non-GR theories, compact binaries in non-GR theories, and pulsar, gravitational-wave, and...

Integrability conditions when trying to solve for a conformal factor

Interactive tool for visualizing spherical/circular photon orbits in Kerr

A generalization of symplectic integrators to non-conservative dynamics.

Extending Hamilton’s variational principle to nonconservative systems.

If you’re in the intersection of git, emacs, and persnickety about whitespace.

Gravity theories beyond general relativity (GR) can change the properties of gravitational waves: their polarizations, dispersion, speed, and, importantly, e...

Modeling black holes’ kicks directly from numerical relativity

Finding the shape of extremal black holes in beyond-GR theories

Whenever you’ve got symmetry, you should use it!

One of the first numerical simulations of black hole mergers in beyond-GR effective field theories

My talk slides/movies from the EHT16 conference in Cambrige, MA

I’m on Episode 64 of the Titanium Physicists Podcast

Interactive tool for visualizing spherical/circular photon orbits in Kerr

I hosted a Quora session. It went well!

Angular momentum is tricky to define in GR! Here’s an approach so that observers can all agree with each others’ measurements.

Invited review for CQG Focus Issue

I’m on Episode 62 of the Titanium Physicists Podcast

Not all theories with long-ranged scalar fields produce dipole radiation in binaries

Interactive tool to compute Kerr quantities

Interactive tool to compute ISCOs in Kerr

MIT PhD thesis of Leo C. Stein

Integrability conditions when trying to solve for a conformal factor

Here to save you some algebra and column-inches

An identity between vector commutation coefficients and coframe connection coefficients

These three objects form a superalgebra! Whoa!

When can you integrate-by-parts with Lie derivatives?

Special thanks to Ben Mares for coming up with this identity.

There is a nice 4-dimensional Weyl identity that I can never seem to remember off the top of my head; so I decided I need to write this note so I don’t have ...

The Weyl decomposition, further splitting into E/B, and computing in terms of 3+1 objects

In an effort to keep myself organized, I decided I should type up some notes I have laying around.

If you’re in the intersection of git, emacs, and persnickety about whitespace.

One of the first numerical simulations of black hole mergers in beyond-GR effective field theories

I hosted a Quora session. It went well!

Not all theories with long-ranged scalar fields produce dipole radiation in binaries

Modeling black holes’ kicks directly from numerical relativity

Finding the shape of extremal black holes in beyond-GR theories

Whenever you’ve got symmetry, you should use it!

One of the first numerical simulations of black hole mergers in beyond-GR effective field theories

MIT PhD thesis of Leo C. Stein

Finding the shape of extremal black holes in beyond-GR theories

Whenever you’ve got symmetry, you should use it!

Integrability conditions when trying to solve for a conformal factor

Interactive toy for visualizing relationship between polynomial roots and coefficients

Interactive tool for visualizing spherical/circular photon orbits in Kerr

Interactive tool to compute Kerr quantities

Interactive tool to compute ISCOs in Kerr

How to get remote jupyter to automatically open a local browser.

How to get remote jupyter to automatically open a local browser.

I just created a repo on github for computing complete elliptic integrals in javascript. The README.md is below, and a demo after that. You might ask yoursel...

How to get remote jupyter to automatically open a local browser.

If you’re in the intersection of git, emacs, and persnickety about whitespace.

I’m on Episode 64 of the Titanium Physicists Podcast

I hosted a Quora session. It went well!

I’m on Episode 62 of the Titanium Physicists Podcast

Finding the shape of extremal black holes in beyond-GR theories

Whenever you’ve got symmetry, you should use it!

One of the first numerical simulations of black hole mergers in beyond-GR effective field theories

MIT PhD thesis of Leo C. Stein

I’m on Episode 64 of the Titanium Physicists Podcast

I’m on Episode 62 of the Titanium Physicists Podcast

Interactive toy for visualizing relationship between polynomial roots and coefficients

Not all theories with long-ranged scalar fields produce dipole radiation in binaries

I missed the author index from LRR, so I rebuilt one.

I hosted a Quora session. It went well!

How to get remote jupyter to automatically open a local browser.

Interactive toy for visualizing relationship between polynomial roots and coefficients

I’m releasing into the wild a simple code for computing neutron star structure in the slow-rotation expansion to first and second order. This code was origi...

How to get remote jupyter to automatically open a local browser.

I hosted a Quora session. It went well!

That moment when social media creates scientific collaboration

I just created a repo on github for computing complete elliptic integrals in javascript. The README.md is below, and a demo after that. You might ask yoursel...

How to get remote jupyter to automatically open a local browser.

These three objects form a superalgebra! Whoa!

Finding the shape of extremal black holes in beyond-GR theories

Whenever you’ve got symmetry, you should use it!

How to get remote jupyter to automatically open a local browser.

That moment when social media creates scientific collaboration

Here to save you some algebra and column-inches

There is a nice 4-dimensional Weyl identity that I can never seem to remember off the top of my head; so I decided I need to write this note so I don’t have ...

I missed the author index from LRR, so I rebuilt one.