Zoltán Sebestyén - ODT Personal data sheet


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Personal data sheet

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VALIDITY EXPIRED
personal data approved: 2018. IX. 28.

Personal data

name	Zoltán Sebestyén
name of institution	Eötvös Loránd University, Budapest
doctoral school	ELTE Doctoral School of Mathematics (Core member emeritus) Council of the Doctoral School
the share of work in the different doctoral schools.	ELTE Doctoral School of Mathematics 99% ELTE DSM Council of the Doctoral School 1%
accreditation statement submitted to:	Eötvös Loránd University, Budapest

Contact details
E-mail address	sebestycs.elte.hu
phone number	+363214108

Academic title
scientific degree, title	Ph.D.
year degree was obtained	1984
discipline to which degree belongs	mathematics and computing
institution granting the degree	HAS
scientific degree, title	DSc
year degree was obtained	1984
discipline to which degree belongs
institution granting the degree	HAS

Employment
1967 -	Eötvös Loránd University, Budapest professor emeritus

Thesis topic supervisor

number of doctoral students supervised until now

number of students who fulfilled course requirements

students who obtained their degrees:

	Balázs Takács	PhD	2021	DSM
	Tamás Titkos	PhD	2016	DSM
	Zsigmond Tarcsay	PhD	2013	DSM
(50%)	Máté Matolcsi	PhD	2003	DSM
	Vilmos Prokaj	PhD	1996
	Zoltán Magyar	Candidate of sciences	1987
	Dénes Petz	Candidate of sciences	1982

Thesis topic proposals

Research
research area	Functional analysis, operator theory, C*-algebras, moment problems, operator inequalities, theory of positive forms, operator extensions
research field in which current research is conducted	mathematics and computing

Publications

2015

Sebestyén Z, Szucs Z, Tarcsay Z: Extensions of positive operators and functionals, LINEAR ALGEBRA AND ITS APPLICATIONS 472: pp. 54-80.
type of document: Journal paper/Article
language: English
DOI

2015

Sebestyén Z, Tarcsay Z: Characterizations of essentially self-adjoint and skew-adjoint operators, STUDIA SCIENTIARUM MATHEMATICARUM HUNGARICA 52: (3) pp. 371-385.
type of document: Journal paper/Article
language: English
DOI

2015

Titkos T, Sebestyén Z, Tarcsay Z: A short-type decomposition of forms, OPERATORS AND MATRICES 9: (4) pp. 815-830.
type of document: Journal paper/Article
number of independent citations: 1
language: English
URL

2014

Sebestyén Z, Tarcsay Z: A reversed von Neumann theorem, ACTA SCIENTIARUM MATHEMATICARUM - SZEGED 80: (3-4) pp. 659-664.
type of document: Journal paper/Article
number of independent citations: 2
language: English
DOI

2013

Popovici D, Sebestyen Z: Factorizations of linear relations, ADVANCES IN MATHEMATICS 233: (1) pp. 40-55.
type of document: Journal paper/Article
number of independent citations: 1
language: English
DOI

2009

Hassi S, Sebestyen Z, de Snoo H: Lebesgue type decompositions for nonnegative forms, JOURNAL OF FUNCTIONAL ANALYSIS 257: (12) pp. 3858-3894.
type of document: Journal paper/Article
number of independent citations: 18
language: English
DOI

2007

Hassi S, Sebestyén Z, De Snoo HSV, Szafraniec FH: A canonical decomposition for linear operators and linear relations, ACTA MATHEMATICA HUNGARICA 115: (4) pp. 281-307.
type of document: Journal paper/Article
number of independent citations: 11
language: English
DOI

2005

Hassi S, Sebestyén Z, De Snoo HSV: On the nonnegativity of operator products, ACTA MATHEMATICA HUNGARICA 109: (1-2) pp. 1-14.
type of document: Journal paper/Article
number of independent citations: 9
language: English
DOI

1996

Prokaj Vilmos, Sebestyén Zoltán: On Friedrichs extensions of operators, ACTA SCIENTIARUM MATHEMATICARUM - SZEGED 62: (1-2) pp. 243-246.
type of document: Journal paper/Article
number of independent citations: 16
language: English

1996

Prokaj Vilmos, Sebestyén Zoltán: On extremal positive operator extensions, ACTA SCIENTIARUM MATHEMATICARUM - SZEGED 62: (3-4) pp. 485-491.
type of document: Journal paper/Article
number of independent citations: 14
language: English

Number of independent citations to these publications:

Scientometric data

list of publications and citations

number of scientific publications that meet accreditation criteria:

number of scientific publications:

monographs and professional books:

monographs/books in which chapters/sections were contributed:

scientific publications published abroad that meet the accreditation criteria:

publications not in Hungarian, published in Hungary, meeting the accreditation criteria:

number of independent citations to scientific publications and creative works:

443