Invariant Euler–Lagrange equations and the invariant variational bicomplex IA Kogan, PJ Olver Acta Applicandae Mathematica 76 (2), 137-193, 2003 | 115 | 2003 |

Rational invariants of a group action. Construction and rewriting E Hubert, IA Kogan Journal of Symbolic Computation 42 (1-2), 203-217, 2007 | 74 | 2007 |

Smooth and algebraic invariants of a group action: local and global constructions E Hubert, IA Kogan Foundations of Computational Mathematics 7 (4), 455-493, 2007 | 63 | 2007 |

3D face recognition using Euclidean integral invariants signature S Feng, H Krim, IA Kogan 2007 IEEE/SP 14th Workshop on Statistical Signal Processing, 156-160, 2007 | 47 | 2007 |

Symmetries of polynomials I Berchenko, O Peter J Journal of Symbolic Computation 29 (4-5), 485-514, 2000 | 41 | 2000 |

Two algorithms for a moving frame construction IA Kogan Canadian Journal of Mathematics 55 (2), 266-291, 2003 | 39 | 2003 |

Computation of canonical forms for ternary cubics IA Kogan, MM Maza Proceedings of the 2002 international symposium on Symbolic and algebraic …, 2002 | 36 | 2002 |

Rotation invariant topology coding of 2D and 3D objects using Morse theory S Baloch, H Krim, I Kogan, D Zenkov IEEE International Conference on Image Processing 2005 3, III-796, 2005 | 33 | 2005 |

Classification of curves in 2D and 3D via affine integral signatures S Feng, I Kogan, H Krim Acta applicandae mathematicae 109 (3), 903-937, 2010 | 29 | 2010 |

The invariant variational bicomplex IA Kogan, PJ Olver Contemporary Mathematics 285, 131-144, 2001 | 25 | 2001 |

Inductive approach to Cartan's moving frame method with applications to classical invariant theory I Kogan arXiv preprint arXiv:1909.02055, 2019 | 23 | 2019 |

Inductive construction of moving frames IA Kogan Contemporary Mathematics 285, 157-170, 2001 | 22 | 2001 |

Object-image correspondence for algebraic curves under projections J Burdis, IA Kogan, H Hoon Symmetry, Integrability and Geometry: Methods and Applications (SIGMA) 9, 31 pp, 2013 | 11 | 2013 |

Algorithm for computing μ-bases of univariate polynomials H Hong, Z Hough, IA Kogan Journal of Symbolic Computation 80, 844-874, 2017 | 8 | 2017 |

Systems of hyperbolic conservation laws with prescribed eigencurves HK Jenssen, IA Kogan Journal of Hyperbolic Differential Equations 7 (02), 211-254, 2010 | 8 | 2010 |

3D object representation with topo-geometric shape models S Baloch, H Krim, I Kogan, D Zenkov 2005 13th European Signal Processing Conference, 1-4, 2005 | 7 | 2005 |

Invariants of objects and their images under surjective maps IA Kogan, PJ Olver Lobachevskii Journal of Mathematics 36 (3), 260-285, 2015 | 6 | 2015 |

The affects of a dynamic program for geometry on college students’ understandings of properties of quadrilaterals in the Poincaré disk model R Smith, KF Hollebrands, K Iwancio, I Kogan Proceedings of the Ninth International Conference on Mathematics Education …, 2007 | 5 | 2007 |

Object-image correspondence for curves under central and parallel projections JM Burdis, IA Kogan Proceedings of the twenty-eighth annual symposium on Computational geometry …, 2012 | 4 | 2012 |

Extensions for systems of conservation laws HK Jenssen, IA Kogan Communications in Partial Differential Equations 37 (6), 1096-1140, 2012 | 4 | 2012 |