Personal information

Other IDs

Scopus Author ID: 55604636000
Scopus Author ID: 57206138847

Keywords

Matrix Analysis, Moore Penrose inverse, Generalized inverses

Countries

Greece

Activities

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Employment (3)

Athens University of Economics and Business: Athens, GR

2007-10-01 to present | Visiting Professor (Statistics)
Employment
Source: Self-asserted source
Dimitrios Pappas

Technical Educational Institution of Chalkis: Thiva, GR

2006-09-19 to 2009-08-30 | Visiting Professor (Logistics)
Employment
Source: Self-asserted source
Dimitrios Pappas

University of Piraeus: Piraeus, GR

2007-01-16 to 2007-09-31 | Visiting Professor (Statistics)
Employment
Source: Self-asserted source
Dimitrios Pappas

Education and qualifications (3)

National Technical University of Athens: Athens, GR

2002-09-15 to 2006-07-16 | PhD (Applied Mathematics)
Education
Source: Self-asserted source
Dimitrios Pappas

National Technical University of Athens: Athens, GR

1999-01-01 to 2000-06-13 | MSc (Applied Mathematics)
Education
Source: Self-asserted source
Dimitrios Pappas

University of Ioannina : Ioannina, GR

1983-10-18 to 1990-01-30 | Bsc (Mathematics)
Education
Source: Self-asserted source
Dimitrios Pappas

Works (21)

Markov chain lumpability and applications to credit risk modelling in compliance with the International Financial Reporting Standard 9 framework

European Journal of Operational Research
2021-08 | Journal article
DOI: 10.1016/j.ejor.2020.11.014
Contributors: K. Georgiou; G.N. Domazakis; D. Pappas; A.N. Yannacopoulos
Source: check_circle
Crossref

ON THE NUMERICAL RANGE OF EP MATRICES

Facta Universitatis, Series: Mathematics and Informatics
2021-02-02 | Journal article
DOI: 10.22190/FUMI2004079P
Contributors: Dimitrios Pappas
Source: check_circle
Crossref

Network intrusion detection method based on matrix factorization of their time and frequency representations

ETRI Journal
2020-10-12 | Journal article
DOI: 10.4218/etrij.2019-0476
Part of ISSN: 1225-6463
Part of ISSN: 2233-7326
Source: Self-asserted source
Dimitrios Pappas

Representations of generalized inverses via full-rank QDR decomposition

Numerical Algorithms
2020-05-01 | Journal article
DOI: 10.1007/s11075-020-00935-4
Part of ISSN: 1017-1398
Part of ISSN: 1572-9265
Source: Self-asserted source
Dimitrios Pappas

Symbolic Computation of the Aluthge Transform

Mediterranean Journal of Mathematics
2017-04 | Journal article
DOI: 10.1007/s00009-017-0862-5
Contributors: Dimitrios Pappas; V. N. Katsikis; Ivan P. Stanimirović
Source: check_circle
Crossref

Computing {2,4} and {2,3}-inverses by using the Sherman–Morrison formula

Applied Mathematics and Computation
2016-01 | Journal article
DOI: 10.1016/j.amc.2015.10.023
Contributors: Predrag S. Stanimirović; Vasilios N. Katsikis; Dimitrios Pappas
Source: check_circle
Crossref

On removing blur in images using least squares solutions

Filomat
2016-01 | Journal article
MR: DOI: 10.2298/FIL1614855S
Source: Self-asserted source
Dimitrios Pappas

Application of the Least Squares Solutions in Image Deblurring

Mathematical Problems in Engineering
2015 | Journal article
DOI: 10.1155/2015/298689
Contributors: Predrag S. Stanimirović; Igor Stojanović; Vasilios N. Katsikis; Dimitrios Pappas; Zoran Zdravev
Source: check_circle
Crossref

Constrained matrix optimization with applications

Journal of Applied Mathematics and Computing
2012-10 | Journal article
MR: DOI: 10.1007/s12190-012-0561-0
Source: Self-asserted source
Dimitrios Pappas

The restricted weighted generalizes inverse of a matrix

Electronic Journal of Linear Algebra
2011-12 | Journal article
Source: Self-asserted source
Dimitrios Pappas

Digital Image Reconstruction in the Spectral Domain Utilizing the Moore-Penrose Inverse

Mathematical Problems in Engineering
2010 | Journal article
DOI: 10.1155/2010/750352
Contributors: Spiros Chountasis; Vasilios N. Katsikis; Dimitrios Pappas
Source: check_circle
Crossref

Applications of the Moore-Penrose Inverse in Digital Image Restoration

Mathematical Problems in Engineering
2009 | Journal article
DOI: 10.1155/2009/170724
Contributors: Spiros Chountasis; Vasilios N. Katsikis; Dimitrios Pappas
Source: check_circle
Crossref

FAST COMPUTING OF THE MOORE-PENROSE INVERSE MATRIX

Electronic journal of Linear Algebra
2008-11 | Journal article
Source: Self-asserted source
Dimitrios Pappas

An improved method for the computation of the Moore–Penrose inverse matrix

Journal article
DOI:

http://dx.doi.org/10.1016/j.amc.2011.04.080
Source: Self-asserted source
Dimitrios Pappas

Factorizations of EP operators

Journal article
DOI:

http://dx.doi.org/10.1016/j.laa.2008.04.026
Source: Self-asserted source
Dimitrios Pappas

Full-rank representations of outer inverses based on the QR decomposition

Journal article
DOI:

http://dx.doi.org/10.1016/j.amc.2012.04.011
Source: Self-asserted source
Dimitrios Pappas

Image Restoration Via Fast Computing of the Moore-Penrose Inverse Matrix

Conference paper
DOI:

http://dx.doi.org/10.1109/iwssip.2009.5367731
Source: Self-asserted source
Dimitrios Pappas

Minimization of quadratic forms using the Drazin-inverse solution

Journal article
DOI:

http://dx.doi.org/10.1080/03081087.2013.771639
Source: Self-asserted source
Dimitrios Pappas

Removal of blur in images based on least squares solutions

Journal article
DOI:

http://dx.doi.org/10.1002/mma.2751
Source: Self-asserted source
Dimitrios Pappas

Restricted linear constrained minimization of quadratic functionals

Journal article
DOI:

http://dx.doi.org/10.1080/03081087.2012.743023
Source: Self-asserted source
Dimitrios Pappas

Symbolic computation of -inverses using QDR factorization

Journal article
DOI:

http://dx.doi.org/10.1016/j.laa.2012.04.026
Source: Self-asserted source
Dimitrios Pappas
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