József Abaffy - ODT Personal data sheet


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Personal data sheet

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personal data approved: 2023. X. 09.

Personal data

name	József Abaffy
name of institution	Universitas Budensis
doctoral school	OE Doctoral School of Applied Informatics and Applied Mathematics (Core member emeritus) Council of the Doctoral School
the share of work in the different doctoral schools.	OE Doctoral School of Applied Informatics and Applied Mathematics 98% OE DSAIAM Council of the Doctoral School 2%
accreditation statement submitted to:	Universitas Budensis

Contact details
E-mail address	abaffy.jozsefnik.uni-obuda.hu
phone number	+36 1 666-5512

Academic title
scientific degree, title	CSc
year degree was obtained	1996
discipline to which degree belongs	mathematics and computing
institution granting the degree	HAS
scientific degree, title	DSc
year degree was obtained	2007
discipline to which degree belongs	mathematics and computing
institution granting the degree	HAS

Employment
2012 -	Universitas Budensis professor emeritus

Thesis topic supervisor

number of doctoral students supervised until now

2.5

number of students who fulfilled course requirements

2.5

students who obtained their degrees:

(50%)	László Mohácsi	PhD	2014	DS-ICT-BCE
	Szabina Fodor	PhD	2002

present PhD students:

(50%)

Awudu Atinga

(PhD)

(2025/08)

DSAIAM

Thesis topic proposals

Research
research area	numerical methods for linear and nonlinear equation systems, numerical methods for global optimization
research field in which current research is conducted	mathematics and computing

Publications

2023

József Abaffy, László Mohácsi, Vittorio Moriggia: Twice is enough method for computation of coniugate directions in ABS, GlobeEdit, OmniScriptum Publishing Group
type of document: Book/Monography
language: English

2022

Abaffy J.: Solution of the real and complex eigenvalue problems in the ABS class, PURE MATHEMATICS AND APPLICATIONS 30: (3) pp. 92-109.
type of document: Journal paper/Article
language: English
URL

2021

Abaffy József, Fodor Szabina: ABS-Based Direct Method for Solving Complex Systems of Linear Equations, MATHEMATICS 9: (19) 2527
type of document: Journal paper/Article
language: English
URL

2020

Abaffy József, Forgó Ferenc: On Random Symmetric Bimatrix Games, INTERNATIONAL GAME THEORY REVIEW 22: (3) pp. 1-16.
type of document: Journal paper/Article
language: English
URL

2019

Abaffy J.: A new reprojection of the conjugate directions, NUMERICAL ALGEBRA CONTROL AND OPTIMIZATION 9: (2) pp. 157-171.
type of document: Journal paper/Article
number of independent citations: 1
language: English
URL

1989

Abaffy J, Spedicato E.: ABS Projections Algorithms: Mathematical Techniques for Linear and Nonlinear Algebraic Equations, Ellis Horwood
type of document: Book/Monography
number of independent citations: 106
language: English

1988

J. Abaffy: Superlinear convergence theorem in the ABSg class of algorithms for nonlinear algebraic equations, JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS 59: (1) pp. 39-43.
type of document: Journal paper/Article
number of independent citations: 14
language: English

1987

József Abaffy, Aurél Galántai, Emilio Spedicato: The local convergence of ABS for nonlinear algebraic equations, NUMERISCHE MATHEMATIK 51: (4) pp. 429-439.
type of document: Journal paper/Article
number of independent citations: 44
language: English

1986

J Abaffy, A Galántai: Conjugate direction methods for linear and nonlinear systems of algebraic equations, In: D, Greenspan; P, Rózsa (szerk.) Colloquia Mathematica Soc. János Bolyai, 50. Numerical Methods, Elsevier; North-Holland Publishing (1986) pp. 481-502.
type of document: Part of book/Proceedings Paper
number of independent citations: 20
language: English

1984

Jozsef Abaffy, Charles Broyden, Emilio Spedicato: A class of direct methods for linear systems, NUMERISCHE MATHEMATIK 45: (3) pp. 361-376.
type of document: Journal paper/Article
number of independent citations: 81
language: English

Number of independent citations to these publications:

266

Scientometric data

list of publications and citations

number of scientific publications that meet accreditation criteria:

152

number of scientific publications:

145

monographs and professional books:

monographs/books in which chapters/sections were contributed:

number of independent citations to scientific publications and creative works:

466