Carlos Manuel Saiago

CMA Research Group - Algebra and Logic, Integrated member (PhD)

  • 170 Citations
  • 5 h-Index
20022019
If you made any changes in Pure these will be visible here soon.

Personal profile

Education/Academic qualification

Mathematics, Speciality of Algebra, Doctorate, Faculdade de Ciências e Tecnologia (FCT)

Fingerprint Dive into the research topics where Carlos Manuel Saiago is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

  • 1 Similar Profiles
Multiplicity Mathematics
Eigenvalue Mathematics
Graph in graph theory Mathematics
Hermitian matrix Mathematics
Multiple Eigenvalues Mathematics
Vertex Degree Mathematics
Principal Submatrix Mathematics
Inverse Eigenvalue Problem Mathematics

Network Recent external collaboration on country level. Dive into details by clicking on the dots.

Research Output at NOVA 2002 2019

The change in multiplicity of an eigenvalue due to adding or removing edges

Johnson, C. R., Saiago, C. M. & Toyonaga, K., 1 Jan 2019, In : Linear Algebra and Its Applications. 560, p. 86-99 14 p.

Research output: Contribution to journalArticle

Multiplicity
Eigenvalue
Eigenvalues of a Hermitian matrix
Graph in graph theory
Simple Graph

Eigenvalues, Multiplicities and Graphs

Johnson, C. R. & Saiago, C. M., 1 Feb 2018, United States of America: Cambridge Universtiy Press. 310 p. (Cambridge Tracts in Mathematics; vol. 211)

Research output: Book/ReportBook

1 Citation (Scopus)

Geometric Parter–Wiener, etc. theory

Johnson, C. R. & Saiago, C. M., 15 Jan 2018, In : Linear Algebra and Its Applications. 537, p. 332-347 16 p.

Research output: Contribution to journalArticle

Multiplicity
Eigenvalue
Hermitian matrix
Branch
Lower bound

The minimum number of eigenvalues of multiplicity one in a diagonalizable matrix, over a field, whose graph is a tree

Johnson, C. R., Leal-Duarte, A. & Saiago, C. M., 15 Dec 2018, In : Linear Algebra and Its Applications. 559, p. 1-10 10 p.

Research output: Contribution to journalArticle

Multiplicity
Hermitian matrix
Eigenvalue
Graph in graph theory
Generalise

Activities 2019 2019

  • 1 Editorial activity

special matrices (Journal)

Carlos Manuel Saiago (Editorial board member)
20 Mar 201931 Dec 2019

Activity: Publication peer-review and editorial workEditorial activity