Chorianopoulos Christos

chorianopoulos

             

Office: A116, Building A, Αncient Οlive-grove Campus

Office Phone: +30 210 538-1047

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Discipline: Linear Algebra with applications in the Science of Electrical and Electronics Engineering

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Studies

2011 - Ph.D. in Mathimatics, School of Mathematics, National Technical University of Athens.

2008 - MSc in Applied Mathimatics, School of Mathematics, National Technical University of Athens.

2004 - BSc in Mathimatics, National Kapodestrian University of Athens, Department of Mathematics

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Research Interests

  • Sprecral Approximation
  • Numerical Ranges
  • Matrix Polynomials
  • Matrix Equations

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Representative Publications

  • Christos Chorianopoulos, Sotirios Karanasios and Panayiotis Psarrakos, A definition of numerical range of rectangular matrices. Linear and Multilinear Algebra, 57 (2009), 459-475.
  • Christos Chorianopoulos, Panayiotis Psarrakos and Frank Uhlig, A method for the inverse numerical range problem. Electronic Journal of Linear Algebra, 20 (2010), 198-206.
  • Christos Chorianopoulos and Panayiotis Psarrakos, Birkhoff-James approximate orthogonality sets and numerical ranges. Linear Algebra and its Applications, 434 (2011), 2089-2108.
  • Christos Chorianopoulos and Peter Lancaster, Inverse problems for Hermitian quadratic matrix polynomials. Indagationes Mathematicae, 23 (2012), 1070-1086.
  • Christos Chorianopoulos and Panayiotis Psarrakos, On the continuity of Birkhoff-James ϵ-orthogonality sets. Linear and Multilinear Algebra, 61 (2013), 1447-1454.
  • C. Chorianopoulos and P. Lancaster, An inverse problem for gyroscopic systems, Linear Algebra and its Applications, 465 (2015), 188-203.
  • C. Chorianopoulos and Chun-Hua Guo, Numerical range for the matrix exponential function, Electronic Journal of Linear Algebra, 31 (2016), 633-645.
  • Christos Chorianopoulos, A note on the structure of normal Hamiltonian matrices, Operators and Matrices, 2 (2021), 15-31.
  • Aik. Aretaki and Ch. Chorianopoulos, On the envelope of some classes of 3 by 3 matrices, Appl. Math. Comput., 430 (2022), 127271.
  • Ch. Chorianopoulos and P.J. Psarrakos, On the shell and the shell–extremal eigenvalues of a square matrix. Linear Algebra Appl., 665 (2023), 354–381.
  • Ch. Chorianopoulos, Shell–extremal eigenvalues of tridiagonal Toeplitz matrices. Electronic Journal of Linear Algebra, 39 (2023), 572-590.

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Undergraduate Courses

  • Linear Algebra
  • Mathematical Analysis I
  • Differential Equations - Transforms
  • Probability Theory and Statistics

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Postgraduate Courses

  • Scientific Computations and Mathematical Modelling

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Curriculum Vitae

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