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personal data approved: 2019. III. 19.
Personal data
name József Abaffy
name of institution
doctoral school
BCE Doctoral School of Information and Communication Technologies (Announcer of research topic)
OE Doctoral School of Applied Informatics and Applied Mathematics (Core member)
Council of the Doctoral School
the share of work in the different doctoral schools. OE Doctoral School of Applied Informatics and Applied Mathematics 99%
OE DSAIAM Council of the Doctoral School 1%
accreditation statement submitted to: Universitas Budensis
HAC accreditation
full compliance
(2018. VII. 20.)
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  

  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
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
language: English
2018

J Abaffy, A Galántai: An always convergent algorithm for global minimization of multivariable continuous functions, ACTA POLYTECHNICA HUNGARICA 15: (1) pp. 177-195.
type of document: Journal paper/Article
language: English
URL 
2016

József Abaffy: Reprojection of the Conjugate Directions in the ABS Class, ACTA POLYTECHNICA HUNGARICA 13: (3) pp. 7-24.
type of document: Journal paper/Article
language: English
URL 
2015

Galántai A, Abaffy J: Always convergent iteration methods for nonlinear equations of Lipschitz functions, NUMERICAL ALGORITHMS 69: (2) pp. 443-453.
type of document: Journal paper/Article
number of independent citations: 1
language: English
2015

József Abaffy, Szabina Fodor: Reorthogonalization Methods in ABS Classes, ACTA POLYTECHNICA HUNGARICA 12: (6) pp. 23-41.
type of document: Journal paper/Article
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 (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:
65
number of scientific publications:
68
monographs and professional books:
7
monographs/books in which chapters/sections were contributed:
3 
number of independent citations to scientific publications and creative works:
467

 
All rights reserved © 2007, Hungarian Doctoral Council. Doctoral Council registration number at commissioner for data protection: 02003/0001. Program version: 2.2358 ( 2017. X. 31. )