NP
A symbolic algebra package is presented for performing computations in the Newman-Penrose formation. We illustrate the power of the package by using it to carry out a complex calculation that arises in the integration of the Petrov type-D vacuum field equations.
Keywords for this software
References in zbMATH (referenced in 53 articles , 1 standard article )
Showing results 1 to 20 of 53.
Sorted by year (- Eichhorn, Astrid; Held, Aaron: From a locality-principle for new physics to image features of regular spinning black holes with disks (2021)
- Catalano Ferraioli, D.; Marvan, M.: The equivalence problem for generic four-dimensional metrics with two commuting Killing vectors (2020)
- Bratek, Łukasz; Jałocha, Joanna; Woszczyna, Andrzej: Nakedly singular counterpart of Schwarzschild’s incompressible star. A barotropic continuity condition in the center (2019)
- Brooks, D. A.; Mcnutt, D. D.; Simard, J. P.; Musoke, N. K.: Scalar polynomial curvature invariants in the context of the Cartan-Karlhede algorithm (2019)
- Cadoni, Mariano; Franzin, Edgardo; Masella, Federico; Tuveri, Matteo: A solution-generating method in Einstein-scalar gravity (2019)
- de Haro, Jaume; Aresté Saló, Llibert; Pan, Supriya: Limiting curvature mimetic gravity and its relation to loop quantum cosmology (2019)
- Wylleman, L.; Coley, A.; McNutt, D.; Aadne, M.: Observer-based invariants for cosmological models (2019)
- Endlich, Solomon; Gorbenko, Victor; Huang, Junwu; Senatore, Leonardo: An effective formalism for testing extensions to general relativity with gravitational waves (2017)
- Tian, David Wenjie: Local energy-momentum conservation in scalar-tensor-like gravity with generic curvature invariants (2016)
- Woszczyna, Andrzej; Kutschera, Marek; Kubis, Sebastian; Czaja, Wojciech; Plaszczyk, Piotr; Golda, Zdzisław A.: Nakedly singular non-vacuum gravitating equilibrium states (2016)
- Smolic, Jelena; Taylor, Marika: Higher derivative effects for 4d AdS gravity (2013)
- Beke, David; Palmisano, Giovanni; Speziale, Simone: Pauli-Fierz mass term in modified Plebanski gravity (2012)
- Gómez-Lobo, Alfonso García-Parrado; Martín-García, José M.: \textitSpinors: a Mathematica package for doing spinor calculus in general relativity (2012)
- Coley, A. A.: Averaging in cosmological models using scalars (2010)
- Dotti, Gustavo; Gleiser, Reinaldo J.: Gravitational instability of the inner static region of a Reissner-Nordström black hole (2010)
- Fayos, F.; Torres, R.: Local behaviour of evaporating stars and black holes around the total evaporation event (2010)
- Carminati, J.; Karimian, H. R.; van den Bergh, N.; Vu, K. T.: Shear-free perfect fluids with a solenoidal magnetic curvature (2009)
- Edgar, S. Brian; Gómez-Lobo, Alfonso García-Parrado; Martín-García, José M.: Petrov D vacuum spaces revisited: Identities and invariant classification (2009)
- Bergqvist, Göran; Eriksson, Ingemar: The Chevreton tensor and Einstein-Maxwell spacetimes conformal to Einstein spaces (2007)
- Dotti, Gustavo; Gleiser, Reinaldo J.; Pullin, Jorge: Instability of charged and rotating naked singularities (2007)