#### Strong-gravity astrophysics, gravitational waves, and scattering amplitudes

Date: February 4th, 2019Location: Seminar of the Amsterdam Cosmology Group, Netherlands. (

**invited talk**)

Authors: J. Steinhoff

Material: group website

#### Connections between amplitudes and classical gravity

Date: December 10th, 2018Location: QCD Meets Gravity IV, Stockholm, Schweden. (

**invited talk**)

Authors: J. Steinhoff

Material: conference website

#### Effective actions for n-pole point particles

Date: July 6th, 2018Location: Fifteenth Marcel Grossmann Meeting on General Relativity, Rome, Italy.

Authors: J. Steinhoff

Material: slides, conference website

#### Spin, tidal, and modified gravity effects in the post-Newtonian approximation

Date: July 5th, 2018Location: Fifteenth Marcel Grossmann Meeting on General Relativity, Rome, Italy. (

**invited talk**)

Authors: J. Steinhoff

Material: slides, conference website

#### Gravitational waves and the double copy

Date: May 18th, 2018Location: Seminar of the Quantum Field and String Theory Group, Humboldt University Berlin, Germany. (

**invited talk**)

Authors: J. Steinhoff

Material: slides, group website

#### Effective action model of dynamically scalarizing binary neutron stars

Date: March 20th, 2018Location: DPG meeting, Würzburg, Germany.

Authors: N. Sennett, L. Shao, J. Steinhoff

Material: slides, conference website

#### Tidal and spin effects in compact astrophysical binaries

Date: December 14th, 2017Location: QCD Meets Gravity Workshop 2017, University of California, Los Angeles, USA.

Authors: J. Steinhoff

Material: workshop website

#### Strong-gravity astrophysics and gravitational waves

Date: October 26th, 2017Location: Workshop on Gravitational Wave Physics, SISSA, Trieste, Italy. (

**invited talk**)

Authors: J. Steinhoff

#### Black holes, neutron stars, and strong gravity

Date: May 31st, 2017Location: Workshop on Modern Aspects of Gravitational Theory, Friedrich-Schilller-Universiät Jena, Germany. (

**invited talk**)

Authors: J. Steinhoff

#### Neutronensterne und Schwarze Löcher im Computer

Date: May 13th, 2017Location: Potsdamer Tag der Wissenschaften, Albert Einstein Institut, Potsdam-Golm, Germany.

Authors: J. Steinhoff

#### Recent analytic results for spin effects of black hole binaries

Date: March 14th, 2017Location: DPG meeting, Bremen, Germany.

Authors: J. Steinhoff, J. Vines

Material: slides, conference website

#### Explodierende Sterne, Schwarze Löcher und Gravitationswellen

Date: Dec. 7th, 2016Location: Visit by the Physikalischen Gesellschaft zu Berlin (PGzB), Albert Einstein Institut, Potsdam-Golm, Germany.

Authors/Speakers: Tanja Hinderer, Vivien Raymond, Jan Steinhoff

#### Gravitational Waves, Tides, and Twisted Spacetime

Date: Nov. 22nd, 2016Location: Colloquium, Humboldt University Berlin, Germany.

Authors: J. Steinhoff

Material: slides, website

#### Analytic models for compact binaries: spin and dynamic tides

Date: July 13th, 2016Location: GR21 Conference, Party Space, Columbia University, New York, USA. (

**invited talk**)

Authors: J. Steinhoff, T. Hinderer, A. Buonanno, A. Taracchini

Material: slides, conference website

#### Dynamical tides in General Relativity

Date: June 29th, 2016Location: 19th Capra Meeting, Meudon, France.

Authors: J. Steinhoff, T. Hinderer, A. Buonanno, A. Taracchini

Material: slides, conference website

#### QFT methods for gravitational wave astronomy: application to spin effects and dynamic tides

Date: June 1st, 2016Location: Fields and Strings Seminar, Humboldt University Berlin, Germany. (

**invited talk**)

Authors: J. Steinhoff

Material: slides, group website

#### Analytic models for compact binaries: spin and dynamic tides

Date: March 4th, 2016Location: DPG meeting, Hamburg, Germany.

Authors: J. Steinhoff

Material: slides, conference website

#### Spin effects on the dynamics of compact binaries

Date: July 14th, 2015Location: Fourteenth Marcel Grossmann Meeting on General Relativity, Rome, Italy. (

**invited talk**)

Authors: J. Steinhoff

Material: slides, conference website

#### Analytic models for compact binaries and universal relations of neutron star properties

Date: June 9th, 2015Location: Seminar at ITC, Center for Astrophysics, Havard, Cambridge, USA (

**invited talk**)

Authors: J. Steinhoff

Material: slides, institute website

#### Effective action for compact objects and universal relations

Date: May 18th, 2015Location: Workshop "(Non-)Universal Properties of Neutron Stars", ZARM, Bremen, Germany.

Authors: J. Steinhoff

Material: slides, conference website

#### Effective action for compact objects and universal relations

Date: April 22nd, 2015Location: Seminar at Rome University La Sapienza, Italy. (

**invited talk**)

Authors: J. Steinhoff

Material: slides, group website

#### Analytic models for compact binaries with spin

Date: March 3rd, 2015Location: Weekly ACR group seminar at AEI, Potsdam-Golm, Germany.

Authors: J. Steinhoff

Material: slides, group website

#### Effective theory for neutron star multipoles and universal relations

Date: January 26th, 2015Location: NewCompStar workshop "Observations and theory in the dynamics of neutron stars", ECT, Trento, Italy.

Authors: J. Steinhoff

Material: slides, workshop website

#### Effective theory for multipoles of compact objects and applications to binary systems

Date: October 16th, 2014Location: 16th RAGtime workshop, Prague, Czech Republic. (

**invited talk**)

Authors: J. Steinhoff

Material: slides, workshop website

#### Analytic approximations for compact binaries

Date: August 26th, 2014Location: Multidisciplinary aspects of Compact Object Physics, Mons, Belgium.

Authors: J. Steinhoff

Material: slides, conference website

#### Eddington inspired Born-Infeld gravity: prospects, problems, and extensions

Date: May 26th, 2014Location: Séminaires du GReCO, Institut d’Astrophysique de Paris. (

**invited talk**)

Authors: T. Delsate, J. Steinhoff

Material: slides, institute website

#### Tidal forces and mode resonances in compact binaries

Date: January 8th, 2014Location: Gravitation group seminar, CENTRA, Instituto Superior Técnico, Lisbon, Portugal.

Authors: S. Chakrabarti, T. Delsate, J. Steinhoff

Material: slides, group website

#### Strong gravity effects in binary systems of neutron stars and black holes: an effective action approach

Date: December 10th, 2013Location: Mons, Belgium. (

**invited talk**)

Authors: S. Chakrabarti, T. Delsate, J. Steinhoff

Material: slides, group website

#### Tidal forces and mode resonances in compact binaries

Date: October 9th, 2013Location: Relativity group meeting, Aveiro, Portugal. (

**invited talk**)

Authors: S. Chakrabarti, T. Delsate, J. Steinhoff

Material: slides, group website, video

#### Oscillation modes, tides, and resonances of compact stars

Date: July 15th, 2013Location: Mons Meeting 2013, PandA Doctoral School "General Relativity and beyond", Mons, Belgium. (

**invited talk**)

Authors: S. Chakrabarti, T. Delsate, J. Steinhoff

Material: lecture notes, 2nd part, workshop website

#### Tidal interactions of compact binaries

Date: July 10th, 2013Location: GR20 Conference, Warsaw, Poland. (

**invited talk**)

Authors: S. Chakrabarti, T. Delsate, J. Steinhoff

Material: slides, conference website

#### Action principles for extended bodies in gravitational and electromagnetic fields

Date: June 20th, 2013Location: 3rd Workshop of the German-Israeli Foundation, ZARM, Bremen, Germany.

Authors: J. Steinhoff

Material: slides, conference website

#### Analytic approximations for the gravitational interaction of compact objects

Date: April 23th, 2013Location: Relativity Seminar at ZARM, Bremen, Germany.

Authors: J. Steinhoff

Material: slides, ZARM website

#### Eddington inspired Born-Infeld gravity: prospects, problems, and extensions

Date: April 8th, 2013Location: Mons, Belgium. (

**invited talk**)

Authors: T. Delsate, J. Steinhoff

Material: slides, group website

#### Gravitational Quadrupole Contributions to the Equations of Motion of Compact Objects

Date: March 1st, 2013Location: DPG Spring Meeting, Jena, Germany.

Authors: J. Steinhoff

Material: slides, conference website

#### Spin and Quadrupole Contributions to the Motion of Astrophysical Binaries

Date: February 19th, 2013Location: 524. WE-Heraeus-Seminar on Equations of Motion in Relativistic Gravity, Bad Honnef, Germany. (

**invited talk**)

Authors: J. Steinhoff

Material: slides, website

#### The PN approximation beyond point-masses

Date: August 6th, 2012Location: Bremen-Oldenburg Relativity Seminar at ZARM, Bremen, Germany.

Authors: J. Steinhoff

Material: slides, ZARM website

#### Influence of internal structure on the motion of test bodies in extreme mass ratio situations

Date: July 2nd, 2012Location: Thirteenth Marcel Grossmann Meeting on General Relativity, Stockholm, Sweden.

Authors: J. Steinhoff, D. Puetzfeld

Material: slides, conference website

#### Kanonische Formulierung des Eigendrehimpulses in der Allgemeinen Relativitätstheorie

Date: March 20th, 2012Location: DPG Spring Meeting, Mainz, Germany. (

**invited as candidate for the GR-HK-T Dissertation Prize 2012 of the German Physical Society**)

Authors: J. Steinhoff

Material: slides, conference website

#### The PN approximation beyond point-masses

Date: November 30th, 2011Location: CENTRA Seminar, Instituto Superior Técnico, Lisbon, Portugal.

Authors: J. Steinhoff

Material: video, slides, CENTRA website

#### The PN approximation beyond point-masses

Date: September 8th, 2011Location: Workshop on Numerical Relativity and Gravitational Waves, Parma, Italy.

Authors: J. Hartung, S. Hergt, G. Schäfer, J. Steinhoff

Material: slides, conference website

#### Post-Newtonian Hamiltonians and spin effects in general relativity

Date: January 11th, 2011Location: Relativity Seminar (for students), Charles University, Prague, Czech Republic. (

**invited talk**)

Authors: J. Steinhoff

Material: lecture notes, exercises, group website

#### Canonical formulation of spin in general relativity

Date: December 3rd, 2010Location: Annual meeting of the GRK 1523, Oppurg, Germany.

Authors: J. Steinhoff, S. Hergt, G. Schäfer

Material: slides, GRK 1523 website

#### Spin effects in the post-Newtonian approximation: Quadrupole deformation of neutron stars and three-body interactions

Date: November 22nd, 2010Location: Video seminar of the SFB/TR7, Jena, Germany.

Authors: J. Hartung, S. Hergt, G. Schäfer, J. Steinhoff

Material: slides, SFB/TR7 website

#### Canonical formulation of spin in general relativity

Date: November 9th, 2010Location: Disputation of PhD thesis, Jena, Germany.

Authors: J. Steinhoff

Material: slides

#### Canonical formulation of spin in general relativity and application to post-Newtonian approximations

Date: August 23rd, 2010Location: Seminar of the Vienna relativity group, University of Vienna, Austria. (

**invited talk**)

Authors: J. Steinhoff, S. Hergt, G. Schäfer

Material: slides, group website

#### Canonical formulation of spinning objects in general relativity from an action approach

Date: Juli 5th, 2010Location: GR19 Conference, Mexico City, Mexico. (talk received a

**James B. Hartle Award**)

Authors: J. Steinhoff, S. Hergt, G. Schäfer

Material: slides, GRG website

#### Canonical formulation of spinning objects in general relativity

Date: March 19th, 2010Location: DPG Spring Meeting, Bonn, Germany. (

**invited, main talk**)

Authors: J. Steinhoff

Material: slides, conference website

#### Canonical formulation of spinning objects in general relativity

Date: February 12th, 2010Location: Relativity Seminar, Theoretisch-Physikalisches Institut, Jena, Germany.

Authors: J. Steinhoff, S. Hergt, G. Schäfer

Material: slides, TPI website

#### Canonical formulation of extended bodies in GR and application to post-Newtonian approximations

Date: October 28th, 2009Location: Bremen-Oldenburg Relativity Seminar at ZARM, Bremen, Germany. (

**invited talk**)

Authors: J. Steinhoff, S. Hergt, G. Schäfer

Material: slides, ZARM website

#### ADM canonical formulation with spin and application to post-Newtonian approximations

Date: July 15th, 2009Location: Twelfth Marcel Grossmann Meeting on General Relativity, Paris, France.

Authors: J. Steinhoff, S. Hergt, G. Schäfer

Material: slides, conference website

#### Canonical formulation of spin within the ADM formalism

Date: May 11th, 2009Location: Video seminar of the SFB/TR7, Jena, Germany.

Authors: J. Steinhoff, S. Hergt, G. Schäfer

Material: slides, SFB/TR7 website

#### Progress in the canonical formulation of spin within the ADM formalism

Date: March 17th, 2009Location: Semiannual Meeting of the SFB/TR7, Jena, Germany.

Authors: J. Steinhoff, S. Hergt, G. Schäfer

Material: slides, SFB/TR7 website

#### Hamiltonians from the stress-energy tensor

Date: March 11th, 2009Location: DPG Spring Meeting, Munich, Germany.

Authors: J. Steinhoff, S. Hergt, G. Schäfer

Material: slides, conference website

#### New spin interaction Hamiltonians within the ADM formalism

Date: October 2nd, 2008Location: Semiannual Meeting of the SFB/TR7, Tübingen, Germany.

Authors: J. Steinhoff, S. Hergt, G. Schäfer

Material: SFB/TR7 website

#### The ADM canonical formalism for gravitating spinning objects

Date: January 16th, 2008Location: Seminar of the Institute, Theoretisch-Physikalisches Institut, Jena, Germany.

Authors: J. Steinhoff, S. Hergt, G. Schäfer

Material: slides, TPI website