Publications in Refereed Journals

• Steve Brandt, Randall Correll, Roberto Gomez, Mijan Huq, Pablo Laguna, Luis Lehner, Pedro Marronetti, Richard A. Matzner, David Neilsen, Jorge Pullin, Erik Schnetter, Deirdre Shoemaker, and Jeffrey Winicour. Grazing collisions of black holes via the excision of singularities. Phys. Rev. Lett., 85:5496–5499, 2000.
• Bernard Kelly, Pablo Laguna, Keith Lockitch, Jorge Pullin, Erik Schnetter, Deirdre Shoemaker, and Manuel Tiglio. A cure for unstable numerical evolutions of single black holes: adjusting the standard ADM equations. Phys. Rev. D, 64:084013, 2001.
• Olaf Dreyer, Badri Krishnan, Erik Schnetter, and Deirdre Shoemaker. Introduction to isolated horizons in numerical relativity. Phys. Rev. D, 67:024018, 2003.
• Deirdre Shoemaker, Kenneth Smith, Ulrich Sperhake, Pablo Laguna, Erik Schnetter, and David R. Fiske. Moving black holes via singularity excision. Class. Quantum Grav., 20:3729–3744, 2003.
• Miguel Alcubierre, Gabrielle Allen, Carles Bona, David Fiske, Tom Goodale, F. Siddharta Guzmán, Ian Hawke, Scott H. Hawley, Sascha Husa, Michael Koppitz, Christiane Lechner, Denis Pollney, David Rideout, Marcelo Salgado, Erik Schnetter, Edward Seidel, Hisa-aki Shinkai, Béla Szilágyi, Deirdre Shoemaker, Ryoji Takahashi, and Jeffrey Winicour. Toward standard testbeds for numerical relativity. Class. Quantum Grav., 21:589–613, 2004.
• Erik Schnetter. Finding apparent horizons and other two-surfaces of constant expansion. Class. Quantum Grav., 20:4719–4737, 2003.
• Erik Schnetter, Scott H. Hawley, and Ian Hawke. Evolutions in 3d numerical relativity using fixed mesh refinement. Class. Quantum Grav., 21:1465–1488, 2004.
• Erik Schnetter, Frank Herrmann, and Denis Pollney. Horizon pretracking. Phys. Rev. D, 71:044033, 2005.
• Edwin Evans, Sai Iyer, Erik Schnetter, Wai-Mo Suen, Jian Tao, Randy Wolfmeyer, and Hui-Min Zhang. Computational relativistic astrophysics with adaptive mesh refinement: Testbeds. Phys. Rev. D, 71:081301(R), 2005.
• Burkhard Zink, Nikolaos Stergioulas, Ian Hawke, Christian D. Ott, Erik Schnetter, and Ewald Müller. Black hole formation through fragmentation of toroidal polytropes. Phys. Rev. Lett., 96:161101, 2006.
• Luca Baiotti, Ian Hawke, Luciano Rezzolla, and Erik Schnetter. Gravitational-wave emission from rotating gravitational collapse in three dimensions. Phys. Rev. Lett., 94:131101, 2005.
• Ulrich Sperhake, Bernard Kelly, Pablo Laguna, Kenneth L. Smith, and Erik Schnetter. Black hole head-on collisions and gravitational waves with fixed mesh-refinement and dynamic singularity excision. Phys. Rev. D, 71:124042, 2005.
• Erik Schnetter and Badri Krishnan. Non-symmetric trapped surfaces in the Schwarzschild and Vaidya spacetimes. Phys. Rev. D, 73:021502(R), 2006.
• Peter Diener, Ernst Nils Dorband, Erik Schnetter, and Manuel Tiglio. Optimized high-order derivative and dissipation operators satisfying summation by parts, and applications in three-dimensional multi-block evolutions. J. Sci. Comp., (32):109–145, 2007.
• Peter Diener, Frank Herrmann, Denis Pollney, Erik Schnetter, Edward Seidel, Ryoji Takahashi, Jonathan Thornburg, and Jason Ventrella. Accurate evolution of orbiting binary black holes. Phys. Rev. Lett., 96:121101, 2006.
• Erik Schnetter, Peter Diener, Ernst Nils Dorband, and Manuel Tiglio. A multi-block infrastructure for three-dimensional time-dependent numerical relativity. Class. Quantum Grav., 23:S553–S578, 2006.
• Erik Schnetter, Badri Krishnan, and Florian Beyer. Introduction to dynamical horizons in numerical relativity. Phys. Rev. D, 74:024028, 2006.
• Ernst Nils Dorband, Emanuele Berti, Peter Diener, Erik Schnetter, and Manuel Tiglio. A numerical study of the quasinormal mode excitation of Kerr black holes. Phys. Rev. D, 74:084028, 2006.
• Christian D. Ott, Harald Dimmelmeier, Andreas Marek, Hans-Thomas Janka, Ian Hawke, Burkhard Zink, and Erik Schnetter. 3d collapse of rotating stellar iron cores in general relativity including deleptonization and a nuclear equation of state. Phys. Rev. Lett., 98:261101, 2007.
• Burkhard Zink, Nikolaos Stergioulas, Ian Hawke, Christian D. Ott, Erik Schnetter, and Ewald Müller. Non-axisymmetric instability and fragmentation of general relativistic quasitoroidal stars. Phys. Rev. D, 76:024019, 2007.
• Christian D. Ott, Harald Dimmelmeier, Andreas Marek, Hans-Thomas Janka, Burkhard Zink, Ian Hawke, and Erik Schnetter. Rotating collapse of stellar iron cores in general relativity. Class. Quantum Grav., 24:S139–S154, 2007.
• Enrique Pazos, Ernst Nils Dorband, Alessandro Nagar, Carlos Palenzuela, Erik Schnetter, and Manuel Tiglio. How far away is far enough for extracting numerical waveforms, and how much do they depend on the extraction method?. Class. Quantum Grav., 24:S341–S368, 2007.
• Jonathan Thornburg, Peter Diener, Denis Pollney, Luciano Rezzolla, Erik Schnetter, Edward Seidel, and Ryoji Takahashi. Are moving punctures equivalent to moving black holes?. Class. Quantum Grav., 24:3911–3918, 2007.
• Michael Koppitz, Denis Pollney, Christian Reisswig, Luciano Rezzolla, Jonathan Thornburg, Peter Diener, and Erik Schnetter. Recoil velocities from equal-mass binary-black-hole mergers. Phys. Rev. Lett., 99:041102, 2007.
• Denis Pollney, Christian Reisswig, Luciano Rezzolla, Béla Szilágyi, Marcus Ansorg, Barrett Deris, Peter Diener, Ernst Nils Dorband, Michael Koppitz, Alessandro Nagar, and Erik Schnetter. Recoil velocities from equal-mass binary black-hole mergers: a systematic investigation of spin-orbit aligned configurations. Phys. Rev. D (accepted for publication), 2007.
• Dylan Stark, Gabrielle Allen, Tom Goodale, Thomas Radke, and Erik Schnetter. An extensible timing infrastructure for adaptive large-scale applications. In Roman Wyrzykowski, editor, Parallel Processing and Applied Mathematics (PPAM), 2007, Gdansk, Poland (in print), volume 4967 of Lecture Notes in Computer Science. Springer, 2007.
• David Brown, Olivier Sarbach, Erik Schnetter, Manuel Tiglio, Peter Diener, Ian Hawke, and Denis Pollney. Excision without excision. Phys. Rev. D, 76:081503(R), 2007.
• Luciano Rezzolla, Peter Diener, Ernst Nils Dorband, Denis Pollney, Christian Reisswig, Erik Schnetter, and Jennifer Seiler. The final spin from the coalescence of aligned-spin black-hole binaries. ApJ Letters (accepted for publication), 2007.
• Christian D. Ott, Erik Schnetter, Gabrielle Allen, Edward Seidel, Jian Tao, and Burkhard Zink. A case study for petascale applications in astrophysics: Simulating Gamma-Ray Bursts. In Proceedings of the 15th ACM Mardi Gras conference: From lightweight mash-ups to lambda grids: Understanding the spectrum of distributed computing requirements, applications, tools, infrastructures, interoperability, and the incremental adoption of key capabilities, number 18 in ACM International Conference Proceeding Series, Baton Rouge, Louisiana, 2008. ACM. (PDF, 9 pages, 886.2 kbyte)
• Maria C. Babiuc, Sascha Husa, Ian Hinder, Christiane Lechner, Erik Schnetter, Béla Szilágyi, Yosef Zlochower, Nils Dorband, Denis Pollney, and Jeff Winicour. Implementation of standard testbeds for numerical relativity. Class. Quantum Grav. (accepted for publication), 2007.

Submitted to Refereed Journals

• Luciano Rezzolla, Ernst Nils Dorband, Christian Reisswig, Peter Diener, Denis Pollney, Erik Schnetter, and Béla Szilágyi. Spin diagrams for equal-mass black-hole binaries with aligned spins. ApJ (accepted for publication), 2007.
• Burkhard Zink, Erik Schnetter, and Manuel Tiglio. Multi-patch methods in general relativistic astrophysics – I. Hydrodynamical flows on fixed backgrounds. Phys. Rev. D (accepted for publication), 2008.

In Preparation

• Christian D. Ott and Erik Schnetter. The Cotton-York tensor as an analysis tool for the conformal flatness for numerical simulations. in preparation, 2008.
• Christian D. Ott, Harald Dimmelmeier, Andreas Marek, Hans-Thomas Janka, , Ian Hawke, and Erik Schnetter. 3d general relativistic iron core collapse: postbounce evolution and rotational instabilities. in preparation, 2008.
• David Brown, Olivier Sarbach, Erik Schnetter, Manuel Tiglio, Peter Diener, Ian Hawke, and Denis Pollney. Excision without excision. in preparation, 2008.

Book Chapters

• Erik Schnetter, Christian D. Ott, Gabrielle Allen, Peter Diener, Tom Goodale, Thomas Radke, Edward Seidel, and John Shalf. Cactus Framework: Black holes to gamma ray bursts. In David A. Bader, editor, Petascale Computing: Algorithms and Applications, chapter 24. Chapman & Hall/CRC Computational Science Series, 2007.

Theses

• Erik Schnetter. Untersuchungen zur Implementierung von Strahlungstransport im SPH-Formalismus (engl.: Investigations towards implementing radiative transport in the SPH formalism). Diplomarbeit (in German), Fakultät für Physik, Universität Tübingen, 1998. (PDF, 69 pages, 2.3 Mbyte)
• Erik Schnetter. Gauge fixing for the simulation of black hole spacetimes. PhD thesis, Universität Tübingen, 2003.

Conference Proceedings and Technical Reports

• Stefan Kunze, Erik Schnetter, and Roland Speith. Applications of the Smoothed Particle Hydrodynamics method: The need for supercomputing. In D. Keyes, A. Ecer, J. Periaux, N. Satofuka, and P. Fox, editors, Parallel Computational Fluid Dynamics, Towards Teraflops, Optimization and Novel Formulations. Proceedings of PARCFD99, the Parallel CFD'99 Conference, pages 289–295. Elsevier, 2000. (PDF, 7 pages, 8.0 Mbyte)
• Stefan Kunze, Erik Schnetter, and Roland Speith. Development and astrophysical applications of a parallel smoothed particle hydrodynamics code with MPI. In E. Krause and W. Jäger, editors, High Performance Computing in Science and Engineering '99, pages 52–61. Springer, 2000. (PDF, 10 pages, 9.1 Mbyte)
• Roland Speith, Erik Schnetter, Stefan Kunze, and Harald Riffert. Distributed implementation of SPH for simulations of accretion disks. In R. Esser, P. Grassberger, J. Grotendorst, and M. Lewerenz, editors, Molecular Dynamics on Parallel Computers, pages 276–285. World Scientific, 2000. Proceedings of the Workshop at the John von Neumann-Institut for Computing (NIC), Research Centre Jülich, 8 - 10 February 1999. (PDF, 10 pages, 4.2 Mbyte)
• Erik Schnetter, Stefan Kunze, and Roland Speith. Fluid jet simulations using Smoothed Particle Hydrodynamics. In E. Krause and W. Jäger, editors, High Performance Computing in Science and Engineering 2000, pages 99–113. Springer, 2001. (PDF, 15 pages, 26.9 Mbyte)
• Erik Schnetter. The Maya project: Simulations of binary black hole systems. In The Ninth Marcel Grossmann Meeting. On Recent Developments in Theoretical and Experimental General Relativity, Gravitation and Relativistic Field Theories. Proceedings of the MG9 Meeting, volume 3, pages 1741–1742. World Scientific, 2001.
• Erik Schnetter. A fast apparent horizon algorithm, 2002.
• Frank Ott and Erik Schnetter. A modified SPH approach for fluids with large density differences, 2003.
• Burkhard Zink, Nikolaos Stergioulas, Ian Hawke, Christian D. Ott, Erik Schnetter, and Ewald Müller. Rotational instabilities in supermassive stars: a new way to form supermassive black holes. In N. K. Spyrou, N. Stergioulas, and C. Tsagas, editors, International Scientific Workshop on Cosmology and Gravitational Physics, Thessaloniki, December 15-16, 2005, pages 155–160, Thessaloniki, 2006. ZITI.
• Gabrielle Allen, Elena Caraba, Tom Goodale, Yaakoub El Khamra, and Erik Schnetter. A scientific application benchmark using the Cactus Framework. Technical report, Center for Computation & Technology, April 2007. (PDF, 6 pages, 539.9 kbyte)
• Burkhard Zink, Nikolaos Stergioulas, Ian Hawke, Christian D. Ott, Erik Schnetter, and Ewald Müller. Fragmentation of general relativistic quasi-toroidal polytropes. In Proceedings of the 11th Marcel Grossmann Meeting (MG11) in Berlin, Germany, July 23-29, 2006, 2007 (submitted).
• John Shalf, Erik Schnetter, Gabrielle Allen, and Edward Seidel. Cactus as benchmarking platform. Technical report, Louisiana State University, Center for Computation & Technology, 2007.
• Erik Schnetter, Gabrielle Allen, Tom Goodale, and Mayank Tyagi. Alpaca: Cactus tools for application level performance and correctness analysis. Technical report, CCT Technical Report CCT-TR-2008-2, 2008.

Recent Invited Presentations

• Erik Schnetter. Modelling black holes and other exotic objects. Invited talk given over the phone to HPC EXPO Online Conference & Exhibition, September 2006. (PDF, 6 pages, 31.4 Mbyte)
• Erik Schnetter. The Cactus framework. Invited talk given to MODEST collaboration in Pittsburgh, PA, September 2006. (PDF, 24 pages, 1.3 Mbyte)
• Erik Schnetter. Singularity replacement for black hole evolutions. Invited talk given at the Instituto de Física y Matemáticas of the Universidad Michoacana de San Nicolás de Hidalgo in Morelia, Mexico, June 2007. (PDF, 16 pages, 1.2 Mbyte)
• Erik Schnetter. Introduction to numerical relativity. Lectures given at KISTI Numerical Relativity summer school in Pohang, South Korea, July 2007. (PDF, 60 pages, 4.7 Mbyte)
• Erik Schnetter. Cactus concepts for distributed HPC applications. Invited talk given at the Distributed Programming Abstractions Workshop of the 15th Mardi Gras Conference in Baton Rouge, LA, January 2008. (PDF, 17 pages, 2.8 Mbyte)
• Erik Schnetter. Modelling black hole binary mergers. Invited talk given at the Department of Physics and Astronomy in Oxford, MS, February 2008. (PDF, 31 pages, 14.3 Mbyte)

Recent Contributed Presentations

• Erik Schnetter. gnuplot. Tutorial given to LSU HPC users in Baton Rouge, LA, February 2006. (PDF, 17 pages, 133.1 kbyte)
• Erik Schnetter. Instant excision. Talk given at NFNR conference in Potsdam, Germany, July 2006. (PDF, 15 pages, 927.7 kbyte)
• Erik Schnetter. The Cactus framework. Talk given at LSU booth at Supercomputing Conference in Tampa, FL, November 2006. (PDF, 6 pages, 484.2 kbyte)
• Erik Schnetter. Obstacles in numerical calculations. Talk given at the workshop ``From geometry to numerics'' in Paris, France, November 2006. (PDF, 13 pages, 1.1 Mbyte)
• Erik Schnetter. Cactus/Carpet/CCATIE performance improvements. Talk given to Numerical Relativity group at AEI in Potsdam, Germany, March 2007.
• Erik Schnetter. Multi-block systems in numerical relativity. Talk given at APS April meeting in Jacksonville, FL, April 2007. (PDF, 9 pages, 1.3 Mbyte)
• Erik Schnetter. Singularity replacement for black hole evolutions. Talk given at East Coast Gravity Meeting in Ithaca, NY, May 2007. (PDF, 8 pages, 538.2 kbyte)
• Erik Schnetter. An extensible timing infrastructure for adaptive large-scale applications. Talk given at PPAM conference in Gdańsk, Poland, September 2007. (PDF, 19 pages, 1.8 Mbyte)
• Erik Schnetter. The BBH factory: Herding simulations. Talk given to LSU relativity group in Baton Rouge, LA, October 2007. (PDF, 18 pages, 908.3 kbyte)
• Erik Schnetter. Modern Carpet. Talk given to LSU relativity group in Baton Rouge, LA, October 2007.
• Erik Schnetter. Cactus tools for petascale computing. Talk given at LSU booth at Supercomputing Conference in Reno, NV, November 2007. (PDF, 19 pages, 1.6 Mbyte)
• Erik Schnetter. The final spin of black hole binaries. Talk given at the Center for Computational Relativity and Gravitation in Rochester, NY, January 2008. (PDF, 39 pages, 16.4 Mbyte)
• Erik Schnetter. A case study for petascale applications in astrophysics: Simulating gamma-ray bursts. Talk given at the 15th Mardi Gras Conference in Baton Rouge, LA, February 2008. (PDF, 9 pages, 886.2 kbyte)
• Erik Schnetter. Cactus: A software framework for high performance computing. Tutorial given at LSU High Performance Computing Workshop in Baton Rouge, LA, March 2008. (PDF, 50 pages, 5.3 Mbyte)