A near-maximum-likelihood decoding algorithm for MIMO systems based on semi-definite programming A Mobasher, M Taherzadeh, R Sotirov, AK Khandani IEEE Transactions on Information Theory 53 (11), 3869-3886, 2007 | 114 | 2007 |

Exploiting group symmetry in semidefinite programming relaxations of the quadratic assignment problem E De Klerk, R Sotirov Mathematical Programming 122 (2), 225-246, 2010 | 109 | 2010 |

Exploiting group symmetry in semidefinite programming relaxations of the quadratic assignment problem E De Klerk, R Sotirov Mathematical Programming 122 (2), 225-246, 2010 | 109 | 2010 |

Bounds for the quadratic assignment problem using the bundle method F Rendl, R Sotirov Mathematical programming 109 (2), 505-524, 2007 | 92 | 2007 |

Computational experience with a bundle approach for semidefinite cutting plane relaxations of Max-Cut and equipartition I Fischer, G Gruber, F Rendl, R Sotirov Mathematical Programming 105 (2), 451-469, 2006 | 91 | 2006 |

On semidefinite programming relaxations of the traveling salesman problem E De Klerk, DV Pasechnik, R Sotirov SIAM Journal on Optimization 19 (4), 1559-1573, 2009 | 57 | 2009 |

Exploiting group symmetry in truss topology optimization Y Bai, E de Klerk, D Pasechnik, R Sotirov Optimization and Engineering 10 (3), 331-349, 2009 | 54 | 2009 |

Exploiting group symmetry in truss topology optimization Y Bai, E de Klerk, D Pasechnik, R Sotirov Optimization and Engineering 10 (3), 331-349, 2009 | 54 | 2009 |

Improved semidefinite programming bounds for quadratic assignment problems with suitable symmetry E de Klerk, R Sotirov Mathematical programming 133 (1), 75-91, 2012 | 33 | 2012 |

The redesign of a warranty distribution network with recovery processes J Ashayeri, N Ma, R Sotirov Transportation Research Part E: Logistics and Transportation Review 77, 184-197, 2015 | 23 | 2015 |

An efficient semidefinite programming relaxation for the graph partition problem R Sotirov INFORMS Journal on Computing 26 (1), 16-30, 2014 | 20 | 2014 |

SDP relaxations for some combinatorial optimization problems R Sotirov Handbook on Semidefinite, Conic and Polynomial Optimization, 795-819, 2012 | 20 | 2012 |

New bounds for the max-k-cut and chromatic number of a graph ER van Dam, R Sotirov Linear Algebra and its Applications 488, 216-234, 2016 | 19 | 2016 |

A new semidefinite programming relaxation for the quadratic assignment problem and its computational perspectives E de Klerk, R Sotirov, U Truetsch INFORMS Journal on Computing 27 (2), 378-391, 2015 | 19 | 2015 |

An aggregated optimization model for multi-head SMD placements J Ashayeri, N Ma, R Sotirov Computers & Industrial Engineering 60 (1), 99-105, 2011 | 19 | 2011 |

Special cases of the quadratic shortest path problem H Hu, R Sotirov Journal of Combinatorial Optimization 35 (3), 754-777, 2018 | 17 | 2018 |

Clique-based facets for the precedence constrained knapsack problem N Boland, A Bley, C Fricke, G Froyland, R Sotirov Mathematical programming 133 (1), 481-511, 2012 | 16 | 2012 |

The min-cut and vertex separator problem F Rendl, R Sotirov Computational Optimization and Applications 69 (1), 159-187, 2018 | 15 | 2018 |

Semidefinite programming and eigenvalue bounds for the graph partition problem ER van Dam, R Sotirov Mathematical Programming 151 (2), 379-404, 2015 | 15 | 2015 |

On the Lovász ϑ-number of almost regular graphs with application to Erdős–Rényi graphs E de Klerk, MW Newman, DV Pasechnik, R Sotirov European Journal of Combinatorics 30 (4), 879-888, 2009 | 15 | 2009 |