New hypergeometric connection formulae between Fibonacci and Chebyshev polynomials WM Abd-Elhameed, YH Youssri, N El-Sissi, M Sadek The Ramanujan Journal 42, 347-361, 2017 | 26 | 2017 |

Evaluation of Gaussian hypergeometric series using Huff’s models of elliptic curves M Sadek, N El-Sissi, AS Zargar, N Zamani The Ramanujan Journal 48, 357-368, 2019 | 8 | 2019 |

Edwards curves and Gaussian hypergeometric series M Sadek, N El-Sissi Journal de théorie des nombres de Bordeaux 28 (1), 115-124, 2016 | 6 | 2016 |

Partitions with equal products and elliptic curves M Sadek, N El-Sissi | 2 | 2015 |

Positive Definite Kernels and Lattice Paths T Constantinescu, N El-Sissi Houston Journal of Mathematics 33 (1), 285-300, 2007 | 2 | 2007 |

Tensor algebras and displacement structure. IV. Invariant kernels T Banks, T Constantinescu, N El-Sissi Linear algebra and its applications 405, 83-103, 2005 | 2 | 2005 |

On large *F*-Diophantine setsM Sadek, N El-Sissi Monatshefte für Mathematik 186, 703-710, 2018 | 1 | 2018 |

A combinatorial interpretation of the LDU-decomposition of totally positive matrices and their inverses M ElGebali, N El-Sissi Glasnik matematički 53 (1), 51-71, 2018 | | 2018 |