Carlos M. da Fonseca

Publication Activity (10 Years)

Years Active: 2004-2024
Publications (10 Years): 14

Top Topics

Krawtchouk Moments

Singular Value Decomposition

Correlation Matrix

Top Venues

Appl. Math. Comput.

Discret. Appl. Math.

Publications

Kenier Castillo, Carlos M. da Fonseca, J. Petronilho
On Chebyshev polynomials and the inertia of certain tridiagonal matrices. Appl. Math. Comput. 467 (2024)
Zhibin Du, Carlos M. da Fonseca
The number of P-vertices for acyclic matrices with given nullity. Discret. Math. 346 (12) (2023)
Milica Andelic, Carlos M. da Fonseca, Tamara Koledin, Zoran Stanic
An extended eigenvalue-free interval for the eccentricity matrix of threshold graphs. J. Appl. Math. Comput. 69 (1) (2023)
Zhibin Du, Darko Dimitrov, Carlos M. da Fonseca
New strong divisibility sequences. Ars Math. Contemp. 22 (1) (2022)
Carlos M. da Fonseca
Eigenpairs of some particular band Toeplitz matrices: A comment. Numer. Linear Algebra Appl. 27 (1) (2020)
Ilhan Hacioglu, Nuri Sendil, Burak Kurkcu, Carlos M. da Fonseca
The Number of Tournaments with the Minimum Number of Upsets. Graphs Comb. 36 (1) (2020)
Carlos M. da Fonseca, Zhibin Du
The number of P-vertices of singular acyclic matrices: An inverse problem. Discuss. Math. Graph Theory 40 (2) (2020)
Carlos M. da Fonseca
Comments on the spectrum of a tridiagonal k-Toeplitz matrix. J. Comput. Appl. Math. 375 (2020)
Zhibin Du, Carlos M. da Fonseca
The number of P-vertices for acyclic matrices of maximum nullity. Discret. Appl. Math. 269 (2019)
Zhibin Du, Carlos M. da Fonseca
On the continuity of the maximum size of P-sets of acyclic matrices. Discret. Math. 342 (8) (2019)
Darko Dimitrov, Zhibin Du, Carlos M. da Fonseca
Some forbidden combinations of branches in minimal-ABC trees. Discret. Appl. Math. 236 (2018)
Darko Dimitrov, Zhibin Du, Carlos M. da Fonseca
Forbidden branches in trees with minimal atom-bond connectivity index. CoRR (2017)
Zhibin Du, Carlos M. da Fonseca
On a family of trees with minimal atom-bond connectivity index. Discret. Appl. Math. 202 (2016)
Darko Dimitrov, Zhibin Du, Carlos M. da Fonseca
On structural properties of trees with minimal atom-bond connectivity index III: Trees with pendent paths of length three. Appl. Math. Comput. 282 (2016)
Carlos M. da Fonseca, Saïd Kouachi, Dan A. Mazilu, Irina Mazilu
A multi-temperature kinetic Ising model and the eigenvalues of some perturbed Jacobi matrices. Appl. Math. Comput. 259 (2015)
Carlos M. da Fonseca
Eigenvalues of a certain class of tridiagonal matrices: A brief comment. Appl. Math. Comput. 262 (2015)
Carlos M. da Fonseca, Fatih Yilmaz
Some comments on k-tridiagonal matrices: Determinant, spectra, and inversion. Appl. Math. Comput. 270 (2015)
Carlos M. da Fonseca
Unifying some Pell and Fibonacci identities. Appl. Math. Comput. 236 (2014)
P. N. Shivakumar, Panayiotis J. Psarrakos, K. C. Sivakumar, Yang Zhang, Carlos M. da Fonseca
Advances in Matrices, Finite and Infinite, with Applications 2014. J. Appl. Math. 2014 (2014)
Carlos M. da Fonseca, Dan A. Mazilu, Irina Mazilu, H. Thomas Williams
The eigenpairs of a Sylvester-Kac type matrix associated with a simple model for one-dimensional deposition and evaporation. Appl. Math. Lett. 26 (12) (2013)
Alessandro Conflitti, Carlos M. da Fonseca, Ricardo Mamede
(2k, k). Order 30 (1) (2013)
Aleksandra Eric, Carlos M. da Fonseca
The maximum number of P-vertices of some nonsingular double star matrices. Discret. Math. 313 (20) (2013)
Mehmet Akbulak, Carlos M. da Fonseca, Fatih Yilmaz
The eigenvalues of a family of persymmetric anti-tridiagonal 2-Hankel matrices. Appl. Math. Comput. 225 (2013)
Aleksandra Eric, Carlos M. da Fonseca
Unordered multiplicity lists of wide double paths. Ars Math. Contemp. 6 (2) (2013)
Milica Andelic, Carlos M. da Fonseca, Tamara Koledin, Zoran Stanic
Sharp spectral inequalities for connected bipartite graphs with maximal Q-index. Ars Math. Contemp. 6 (1) (2013)
Milica Andelic, Carlos M. da Fonseca, Slobodan K. Simic, Dejan V. Tosic
Connected graphs of fixed order and size with maximal Q-index: Some spectral bounds. Discret. Appl. Math. 160 (4-5) (2012)
Carlos M. da Fonseca, Varaporn Saenpholphat, Ping Zhang
The γ-Spectrum of a Graph. Ars Comb. 101 (2011)
Carlos M. da Fonseca, J. J. P. Veerman
On the spectra of certain directed paths. Appl. Math. Lett. 22 (9) (2009)
Carlos M. da Fonseca, Ricardo Mamede
On (0, 1)-matrices with prescribed row and column sum vectors. Discret. Math. 309 (8) (2009)
Carlos M. da Fonseca, E. Marques De Sá
Fibonacci numbers, alternating parity sequences and faces of the tridiagonal Birkhoff polytope. Discret. Math. 308 (7) (2008)
Carlos M. da Fonseca
On the location of the eigenvalues of Jacobi matrices. Appl. Math. Lett. 19 (11) (2006)
Carlos M. da Fonseca
Interlacing Properties for Hermitian Matrices Whose Graph is a Given Tree. SIAM J. Matrix Anal. Appl. 27 (1) (2005)
Carlos M. da Fonseca, J. Petronilho
-Toeplitz matrix. Numerische Mathematik 100 (3) (2005)
Carlos M. da Fonseca, J. Petronilho
A note on the spectra of tridiagonal matrices. Int. J. Math. Math. Sci. 2004 (30) (2004)