Publications en collaboration avec des chercheurs de Universidade da Beira Interior (26)

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

  2. COUNTING NON-ISOMORPHIC GENERALIZED HAMILTON QUATERNIONS

    International Electronic Journal of Algebra, Vol. 31, Núm. 31, pp. 143-160

2019

  1. Evolving New Market Structures

    Pathways to a Smarter Power System (Elsevier), pp. 183-203

2018

  1. Generalized Quaternion Rings over Z/ nZ for an Odd n

    Advances in Applied Clifford Algebras, Vol. 28, Núm. 1

  2. 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. A novel stochastic reserve cost allocation approach of electricity market agents in the restructured power systems

    Electric Power Systems Research, Vol. 152, pp. 223-236

  3. A review of multi-agent based energy management systems

    Advances in Intelligent Systems and Computing

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

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

  5. On the Zero Divisor Graphs of the Ring of Lipschitz Integers Modulo n

    Advances in Applied Clifford Algebras, Vol. 27, Núm. 2, pp. 1191-1202

2016

  1. An Associative Triple System of the Second Kind

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

  2. Prediction of five softwood paper properties from its density using support vector machine regression techniques

    BioResources, Vol. 11, Núm. 1, pp. 1892-1904

2015

  1. On the Structure of Quaternion Rings Over Z/n

    Advances in Applied Clifford Algebras, Vol. 25, Núm. 4, pp. 875-887

  2. Using apparent density of paper from hardwood kraft pulps to predict sheet properties, based on unsupervised classification and multivariable regression techniques

    BioResources, Vol. 10, Núm. 3, pp. 5920-5931

2011

  1. On identities of a ternary quaternion algebra

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

2008

  1. Existence and uniqueness of solutions of degenerate parabolic equations with variable exponents of nonlinearity

    Journal of Mathematical Sciences, Vol. 150, Núm. 5, pp. 2289-2301

  2. Extinction of solutions of parabolic equations with variable anisotropic nonlinearities

    Proceedings of the Steklov Institute of Mathematics, Vol. 261, Núm. 1, pp. 11-21

2007

  1. Parabolic equations with anisotropic nonstandard growth conditions

    International Series of Numerical Mathematics (Springer Science and Business Media Deutschland GmbH), pp. 33-44