Lie point and variational symmetries in minisuperspace Einstein gravity T Christodoulakis, N Dimakis, PA Terzis Journal of Physics A: Mathematical and Theoretical 47 (9), 095202, 2014 | 86 | 2014 |

Quantization of Robertson-Walker geometry coupled to fermionic matter T Christodoulakis, J Zanelli Physical Review D 29 (12), 2738, 1984 | 52 | 1984 |

Operator ordering in quantum mechanics and quantum gravity T Christodoulakis, J Zanelli Il Nuovo Cimento B (1971-1996) 93 (1), 1-21, 1986 | 51 | 1986 |

Time-dependent automorphism inducing diffeomorphisms in vacuum Bianchi cosmologies and the complete closed form solutions for types II and V T Christodoulakis, G Kofinas, E Korfiatis, GO Papadopoulos, A Paschos Journal of Mathematical Physics 42 (8), 3580-3608, 2001 | 50 | 2001 |

Automorphisms of real four-dimensional Lie algebras and the invariant characterization of homogeneous 4-spaces T Christodoulakis, GO Papadopoulos, A Dimakis Journal of Physics A: Mathematical and General 36 (2), 427, 2002 | 46 | 2002 |

FLRW metric f (R) cosmology with a perfect fluid by generating integrals of motion N Dimakis, T Christodoulakis, PA Terzis Journal of Geometry and Physics 77, 97-112, 2014 | 44 | 2014 |

The general solution of Bianchi type III vacuum cosmology T Christodoulakis, PA Terzis Classical and Quantum Gravity 24 (4), 875, 2007 | 44 | 2007 |

Conditional symmetries and the canonical quantization of constrained minisuperspace actions: The Schwarzschild case T Christodoulakis, N Dimakis, PA Terzis, G Doulis, T Grammenos, ... Journal of Geometry and Physics 71, 127-138, 2013 | 43 | 2013 |

General analytic solutions of scalar field cosmology with arbitrary potential N Dimakis, A Karagiorgos, A Zampeli, A Paliathanasis, T Christodoulakis, ... Physical Review D 93 (12), 123518, 2016 | 41 | 2016 |

Noether analysis of scalar-tensor cosmology PA Terzis, N Dimakis, T Christodoulakis Physical Review D 90 (12), 123543, 2014 | 38 | 2014 |

Nuovo Cimento B 93 22 (1986); T. Christodoulakis and J. Zaneli T Christodoulakis Class. Quantum Grav 4, 851, 1987 | 37 | 1987 |

Automorphism inducing diffeomorphisms,¶ invariant characterization of homogeneous 3-spaces and hamiltonian dynamics of Bianchi cosmologies T Christodoulakis, E Korfiatis, GO Papadopoulos Communications in mathematical physics 226 (2), 377-391, 2002 | 36 | 2002 |

Automorphism inducing diffeomorphisms,¶ invariant characterization of homogeneous 3-spaces and hamiltonian dynamics of Bianchi cosmologies T Christodoulakis, E Korfiatis, GO Papadopoulos Communications in mathematical physics 226 (2), 377-391, 2002 | 36 | 2002 |

Quantum mechanics of the Robertson-Walker geometry T Christodoulakis, J Zanelli Physics Letters A 102 (5-6), 227-230, 1984 | 36 | 1984 |

Minisuperspace canonical quantization of the Reissner-Nordström black hole via conditional symmetries T Christodoulakis, N Dimakis, PA Terzis, B Vakili, E Melas, T Grammenos Physical Review D 89 (4), 044031, 2014 | 35 | 2014 |

Decoupling of the general scalar field mode and the solution space for Bianchi type I and V cosmologies coupled to perfect fluid sources T Christodoulakis, T Grammenos, C Helias, PG Kevrekidis, A Spanou Journal of mathematical physics 47 (4), 042505, 2006 | 35 | 2006 |

Conditional symmetries in axisymmetric quantum cosmologies with scalar fields and the fate of the classical singularities A Zampeli, T Pailas, PA Terzis, T Christodoulakis Journal of Cosmology and Astroparticle Physics 2016 (05), 066, 2016 | 34 | 2016 |

Conditional symmetries and the quantization of Bianchi type I vacuum cosmologies with and without cosmological constant T Christodoulakis, T Gakis, GO Papadopoulos Classical and Quantum Gravity 19 (6), 1013, 2002 | 29 | 2002 |

The general solution of Bianchi type VII h vacuum cosmology PA Terzis, T Christodoulakis General Relativity and Gravitation 41 (3), 469-495, 2009 | 27 | 2009 |

Cosmological solutions in multiscalar field theory N Dimakis, A Paliathanasis, PA Terzis, T Christodoulakis The European Physical Journal C 79 (7), 1-12, 2019 | 26 | 2019 |