C. Fonseca

发表

Explicit inverses of some tridiagonal matrices

C. Fonseca, J. Petronilho, 2001 .

Some further bounds for the Q-index of nested split graphs

S. Simic, C. Fonseca, M. Anđelić, 2012 .

THE INERTIA OF CERTAIN HERMITIAN BLOCK MATRICES

C. M. da Fonseca, C. Fonseca, 1998 .

Eigenpairs of a family of tridiagonal matrices: three decades later

C. Fonseca, V. Kowalenko, 2020, Acta Mathematica Hungarica.

The real symmetric matrices of odd order with a P-set of maximum size

Z. Du, C. Fonseca, 2016 .

The acyclic matrices with a P-set of maximum size

Z. Du, C. Fonseca, 2015 .

The diameter of the acyclic Birkhoff polytope

Enide Andrade Martins, Liliana N. Costa, C. M. da Fonseca, 2008 .

The number of faces of the tridiagonal Birkhoff polytope

Enide Andrade Martins, Liliana N. Costa, C. M. da Fonseca, 2009 .

Face counting on an Acyclic Birkhoff polytope

Enide Andrade Martins, Liliana N. Costa, C. M. da Fonseca, 2009 .

Topological classification of systems of bilinear and sesquilinear forms

C. Fonseca, V. V. Sergeichuk, V. Futorny, 2016, 1611.08716.

On Singular Values Related to DAEs in Kronecker Canonical Form

C. Fonseca, D. Estévez Schwarz, 2016 .

Cover matrices of posets and their spectra

C. Fonseca, M. Anđelić, 2009 .

The Characteristic Polynomial of Some Perturbed Tridiagonal k-Toeplitz Matrices 1

C. Fonseca, 2006 .

New permanental bounds for Ferrers matrices

H. Alzer, C. Fonseca, 2011 .

An inverse eigenvalue problem for periodic Jacobi matrices in Minkowski spaces

C. Fonseca, N. Bebiano, J. Providência, 2011 .

On the multiplicities of eigenvalues of a Hermitian matrix whose graph is a tree

C. Fonseca, 2008 .

Basic trigonometric power sums with applications

C. Fonseca, M. Glasser, V. Kowalenko, 2016, 1601.07839.

One size resolvability of graphs

C. Fonseca, Varaporn Saenpholphat, S. Kwancharone, 2008 .

Classification of pairs of linear mappings between two vector spaces and between their quotient space and subspace

C. Fonseca, A. Dmytryshyn, T. Rybalkina, 2016 .

On the multiplicities of eigenvalues of graphs and their vertex deleted subgraphs: old and new results

S. Simic, C. Fonseca, Milica Andelic, 2015 .

On bounds for the index of double nested graphs

S. Simic, C. Fonseca, D. Tosic, 2011 .

The minimal-ABC trees with B1-branches

Z. Du, C. Fonseca, D. Dimitrov, 2018, PloS one.

Sufficient conditions for positive definiteness of tridiagonal matrices revisited

C. M. da Fonseca, Milica Anđelić, C. Fonseca, 2011 .

An extended eigenvalue-free interval for the eccentricity matrix of threshold graphs

C. Fonseca, M. Anđelić, Z. Stanić, 2022, Journal of Applied Mathematics and Computing.

A Short Proof of an Inverse Eigenvalue Problem for Jacobi Matrices

C. Fonseca, 2018 .

The maximal length of a chain in the Bruhat order for a class of binary matrices

C. Fonseca, R. Mamede, Alessandro Conflitti, 2012 .

On the number of P-vertices of some graphs

C. Fonseca, R. Mamede, Milica Andelic, 2011 .

Some consequences of an inequality on the spectral multiplicity of graphs

C. Fonseca, Aleksandra Eric, 2013 .

Some new considerations about double nested graphs

Dejan V. Tošić, Domingos M. Cardoso, Slobodan K. Simić, 2015 .

Explicit inverse of a tridiagonal k−Toeplitz matrix

Carlos M. da Fonseca, J. Petronilho, C. Fonseca, 2005, Numerische Mathematik.

On a closed form for derangement numbers: an elementary proof

C. Fonseca, 2020, Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A. Matemáticas.

The eigenpairs of a Sylvester-Kac type matrix associated with a simple model for one-dimensional deposition and evaporation

Carlos M. da Fonseca, Dan A. Mazilu, Irina Mazilu, 2013, Appl. Math. Lett..

An observation on the determinant of a Sylvester-Kac type matrix

C. Fonseca, Emrah Kilicc, 2019, 1902.07626.

Unordered multiplicity lists of wide double paths

Carlos M. da Fonseca, Aleksandra Eric, C. Fonseca, 2012, Ars Math. Contemp..

A note on the multiplicities of the eigenvalues of a graph

C. Fonseca, 2005 .

Interlacing Properties for Hermitian Matrices Whose Graph is a Given Tree

Carlos M. da Fonseca, C. Fonseca, 2005, SIAM J. Matrix Anal. Appl..

A conjecture about the inertia of Hermitian matrices

C. Fonseca, 2004 .

A multi-temperature kinetic Ising model and the eigenvalues of some perturbed Jacobi matrices

Carlos M. da Fonseca, Saïd Kouachi, Dan A. Mazilu, 2015, Appl. Math. Comput..

Topological classification of sesquilinear forms: Reduction to the nonsingular case

C. Fonseca, T. Rybalkina, V. Sergeichuk, 2016, 1604.05403.

Eigenpairs of some particular band Toeplitz matrices: A comment

Carlos M. da Fonseca, C. Fonseca, 2019, Numer. Linear Algebra Appl..

The number of P-vertices for acyclic matrices of maximum nullity

Carlos M. da Fonseca, Zhibin Du, Z. Du, 2019, Discret. Appl. Math..

On the continuity of the maximum size of P-sets of acyclic matrices

Carlos M. da Fonseca, Zhibin Du, Z. Du, 2019, Discret. Math..

Some spectral bounds for the harmonic matrix

C. Fonseca, K. Das, 2017 .

The γ-Spectrum of a Graph

Carlos M. da Fonseca, Ping Zhang, Varaporn Saenpholphat, 2011, Ars Comb..

The Number of Tournaments with the Minimum Number of Upsets

Carlos M. Fonseca, Burak Kurkcu, Ilhan Hacioglu, 2020, Graphs Comb..

Further Properties of the Second Zagreb Index

Dragan Stevanović, C. M. da Fonseca, D. Stevanović, 2014 .

A Panorama of Mathematics: Pure and Applied

D. Huynh, S. Kirkland, C. Fonseca, 2016 .

On the inertia sets of some symmetric sign patterns

C. Fonseca, 2006 .

The inertia of Hermitian block matrices with zero main diagonal

C. Fonseca, 2000 .

New strong divisibility sequences

Darko Dimitrov, Zhibin Du, Carlos M. da Fonseca, 2021, Ars Math. Contemp..

Comments on the spectrum of a tridiagonal k-Toeplitz matrix

Carlos M. da Fonseca, C. Fonseca, 2020, J. Comput. Appl. Math..

The eigenvalues of some anti-tridiagonal Hankel matrices

C. Fonseca, 2018 .

Some comments on k-tridiagonal matrices: Determinant, spectra, and inversion

Carlos M. da Fonseca, Fatih Yılmaz, C. Fonseca, 2015, Appl. Math. Comput..

Eigenvalues of a certain class of tridiagonal matrices: A brief comment

Carlos M. da Fonseca, C. Fonseca, 2015, Appl. Math. Comput..

Unifying some Pell and Fibonacci identities

Carlos M. da Fonseca, C. Fonseca, 2014, Appl. Math. Comput..

The eigenvalues of a family of persymmetric anti-tridiagonal 2-Hankel matrices

Fatih Yilmaz, Carlos M. da Fonseca, Mehmet Akbulak, 2013, Appl. Math. Comput..

A NOTE ON THE INVERSION OF ACYCLIC MATRICES

C. Fonseca, 2011 .

On the eigenvalues of some tridiagonal matrices

C. M. da Fonseca, C. Fonseca, 2007 .

ON DETERMINANT PRESERVERS OVER SKEW FIELDS

C. Fonseca, 1998 .

Line and Subdivision Graphs Determined by T4-Gain Graphs

Abdullah J. Alazemi, C. Fonseca, M. Anđelić, 2019, Mathematics.