A formal operator involving Fermatian numbers
C.M. da Fonseca, A.G. Shannon (2024) A formal operator involving Fermatian numbers, Notes on Number Theory and Discrete Mathematics, Vol ...
The generating function of a bi-periodic Leonardo sequence
C.M. da Fonseca (2024) The generating function of a bi-periodic Leonardo sequence, Armenian Journal of Mathematics, Vol. 16, pp. 1-8, ...
The determinants of certain double banded (0,1) Toeplitz matrices
Z. Du, C.M. da Fonseca (2023) The determinants of certain double banded (0,1) Toeplitz matrices, Miskolc Mathematical Notes, Vol. 24, ...
On a sequence derived from the Laplace transform of the characteristic polynomial of the Fibonacci sequence
C.M. da Fonseca, A.G. Shannon (2023) On a sequence derived from the Laplace transform of the characteristic polynomial of the ...
The characterization of the minimal weighted acyclic graphs
Z. Du, C.M. da Fonseca (2023) The characterization of the minimal weighted acyclic graphs, Linear Algebra and its Applications, Vol ...
The number of P-vertices for acyclic matrices with given nullity
Z. Du, C.M. da Fonseca (2023) The number of P-vertices for acyclic matrices with given nullity, Discrete Mathematics, Vol. 346, ...
Further developments of basic trigonometric power sums
Z. Du, C.M. da Fonseca, V. Kowalenko (2023) Further developments of basic trigonometric power sums, RACSAM Revista de la Real ...
Chain graph sequences and Laplacian spectra of chain graphs
A. Alazemi, M. Anđelić, K. Chandra, Carlos M. da Fonseca (2023) Chain graph sequences and Laplacian spectra of chain graphs, ...
Root location for the characteristic polynomial of a Fibonacci type sequence
Z. Du, C.M. da Fonseca (2023) Root location for the characteristic polynomial of a Fibonacci type sequence, Czechoslovak Mathematical Journal, ...
A second-order difference equation with sign-alternating coefficients
M. Anđelić, C.M. da Fonseca, T. Koledin, Z. Stanić (2022) A second-order difference equation with sign-alternating coefficients, Kuwait Journal of ...
An extended eigenvalue-free interval for the eccentricity matrix of threshold graphs
M. Anđelić, C.M. da Fonseca, T. Koledin, Z. Stanić (2022) An extended eigenvalue-free interval for the eccentricity matrix of threshold ...
A periodic determinantal property for (0,1) double banded matrices
Z. Du, C.M. da Fonseca (2022) A periodic determinantal property for (0,1) double banded matrices, Linear and Multilinear Algebra, Vol ...
An identity involving derangement numbers and Bell numbers
Z. Du, C.M. da Fonseca (2022) An identity involving derangement numbers and Bell numbers, Applicable Analysis and Discrete Mathematics, Vol ...
