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- Paula Catarino
- 2016

In this paper we consider the Modified Pell and the Modified k-Pell quaternions and octonions and we present some properties involving these sequences, including the Binet-style formulas and the… (More)

- Paula Catarino
- 2013

We obtain the Binet’s formula for k-Pell numbers and as a consequence we get some properties for k-Pell numbers. Also we give the generating function for k-Pell sequences and another expression for… (More)

- Paula Catarino, P. Vasco
- 2017

In this study, we define the dual k-Pell, the dual k-Pell–Lucas, and the dual modified k-Pell quaternions and octonions. We investigate some fundamental algebraic properties of these quaternions and… (More)

- Paula Catarino
- 2014

We obtain some identities for k-Fibonacci numbers by using its Binet’s formula. Also, another expression for the general term of the sequence, using the ordinary generating function, is provided.

- Paula Catarino, P. Vasco
- 2013

We obtain the Binet’s formula for k-Pell-Lucas numbers and as a consequence we obtain some properties for k-Pell-Lucas numbers. Also we give the generating function for the k-Pell-Lucas sequences and… (More)

- Paula Catarino
- 2014

In this paper we define some tridiagonal matrices depending of a parameter from which we will find the k-Pell, k-Pell-Lucas and Modified k-Pell numbers. Mathematics Subject Classification: 11B37,… (More)

- D. Van Raemdonck, Shaf Keshavjee, +25 authors Marcelo Cypel
- 2019

Purpose To compare 5-year survival of lung transplant (LTx) recipients in donation after circulatory death (DCD) versus donation after brain-death (DBD) donors. Methods We examined the ISHLT Thoracic… (More)

In this paper we present the sequence of the k-Jacobsthal-Lucas numbers that generalizes the Jacobsthal-Lucas sequence introduced by Horadam in 1988. For this new sequence we establish an explicit… (More)

- Paula Catarino, Maria Manuel Nascimento, Eva Morais, Helena Silva, Rita Payan-Carreira
- 2nd International Conference of the Portuguese…
- 2016

The definition of creativity is not simple, because there are different conceptions, which are also in constant changing. This paper presents a study on the conceptions of creativity in students of… (More)