Publications in collaboration with researchers from Universidade da Beira Interior (8)

2023

  1. Multiplication of closed balls in (Formula presented)

    Turkish Journal of Mathematics, Vol. 47, Núm. 7, pp. 1899-1914

  2. Skew-symmetric matrices related to the vector cross product in C7

    Analele Stiintifice ale Universitatii Ovidius Constanta, Seria Matematica, Vol. 31, Núm. 1, pp. 47-69

2022

  1. Arithmetic for closed balls

    Quaestiones Mathematicae, Vol. 45, Núm. 9, pp. 1459-1471

2018

  1. Vector cross product differential and difference equations in r3 and in r7

    Electronic Journal of Linear Algebra, Vol. 34, pp. 675-686

2017

  1. A Note on Standard Composition Algebras of Types II and III

    Advances in Applied Clifford Algebras, Vol. 27, Núm. 2, pp. 955-964

  2. On skew-symmetric matrices related to the vector cross product in R7

    Electronic Journal of Linear Algebra, Vol. 32, pp. 138-150

2016

  1. An Associative Triple System of the Second Kind

    Communications in Algebra, Vol. 44, Núm. 11, pp. 5027-5043

2011

  1. On identities of a ternary quaternion algebra

    Communications in Algebra, Vol. 39, Núm. 3, pp. 830-842