Inverse Sturm-Liouville problems and their applications G Freiling, VA Yurko NOVA Science Publishers, 2001 | 920 | 2001 |

Matrix Riccati equations in control and systems theory H Abou-Kandil, G Freiling, V Ionescu, G Jank Birkhäuser, 2012 | 876 | 2012 |

A survey of nonsymmetric Riccati equations G Freiling Linear algebra and its applications 351, 243-270, 2002 | 159 | 2002 |

On global existence of solutions to coupled matrix Riccati equations in closed-loop Nash games G Freiling, G Jank, H Abou-Kandil IEEE Transactions on Automatic Control 41 (2), 264-269, 1996 | 156 | 1996 |

Solution and asymptotic behavior of coupled Riccati equations in jump linear systems H Abou-Kandil, G Freiling, G Jank IEEE transactions on automatic control 39 (8), 1631-1636, 1994 | 131 | 1994 |

On the solution of discrete-time Markovian jump linear quadratic control problems H Abou-Kandil, G Freiling, G Jank Automatica 31 (5), 765-768, 1995 | 123 | 1995 |

Inverse problems for Sturm–Liouville equations with boundary conditions polynomially dependent on the spectral parameter G Freiling, VA Yurko Inverse Problems 26 (5), 055003, 2010 | 106 | 2010 |

Inverse problems for Sturm–Liouville differential operators with a constant delay G Freiling, VA Yurko Applied Mathematics Letters 25 (11), 1999-2004, 2012 | 90 | 2012 |

Properties of the solutions of rational matrix difference equations G Freiling, A Hochhaus Computers & Mathematics with Applications 45 (6-9), 1137-1154, 2003 | 76 | 2003 |

Existence and uniqueness of open-loop Stackelberg equilibria in linear-quadratic differential games G Freiling, G Jank, SR Lee Journal of Optimization Theory and Applications 110 (3), 515-544, 2001 | 75 | 2001 |

Existence, uniqueness, and parametrization of Lagrangian invariant subspaces G Freiling, V Mehrmann, H Xu SIAM Journal on matrix analysis and applications 23 (4), 1045-1069, 2002 | 73 | 2002 |

Inverse spectral problems for singular non-selfadjoint differential operators with discontinuities in an interior point G Freiling, V Yurko Inverse problems 18 (3), 757, 2002 | 65 | 2002 |

Generalized Riccati difference and differential equations G Freiling, G Jank, H Abou-Kandil Linear algebra and its applications 241, 291-303, 1996 | 63 | 1996 |

On a class of rational matrix differential equations arising in stochastic control G Freiling, A Hochhaus Linear algebra and its applications 379, 43-68, 2004 | 62 | 2004 |

Necessary conditions for constant solutions of coupled Riccati equations in Nash games H Abou-Kandil, G Freiling, G Jank Systems & control letters 21 (4), 295-306, 1993 | 60 | 1993 |

Stone-reguläre Eigenwertprobleme W Eberhard, G Freiling Mathematische Zeitschrift 160 (2), 139-161, 1978 | 58 | 1978 |

Existence and comparison theorems for algebraic Riccati equations and Riccati differential and difference equations G Freiling, G Jank Journal of Dynamical and Control Systems 2, 529-547, 1996 | 56 | 1996 |

Connection formulas for second order differential equations with a complex parameter and having an arbitrary number of turning points W Eberhard, G Freiling, A Schneider Mathematische Nachrichten 165 (1), 205-229, 1994 | 54 | 1994 |

Inverse problems for differential equations with turning points G Freiling, V Yurko Inverse problems 13 (5), 1247, 1997 | 51 | 1997 |

Inverse problems for Sturm–Liouville operators on noncompact trees G Freiling, V Yurko Results in Mathematics 50 (3), 195-212, 2007 | 49 | 2007 |