János Sztrik - ODT Personal data sheet


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Personal data sheet

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personal data approved: 2023. XII. 02.

Personal data

name

János Sztrik

name of institution

University of Debrecen

doctoral school

DE Doctoral School of Mathematical and Computational Sciences (Academic staff member)

DE Doctoral School of Informatics (Core member)

Műszaki Tudományi Habilitációs Bizottság
Council of the Doctoral School (chairman)

BME Doctoral School of Electrical Engineering

(discipline) Habilitation Comittee and Doctoral Council (external member)

the share of work in the different doctoral schools.

DE Doctoral School of Mathematical and Computational Sciences 3%
DE Doctoral School of Informatics 96%
DE UD-DSI Műszaki Tudományi Habilitációs Bizottság 1%

accreditation statement submitted to:

University of Debrecen

HAC accreditation

full compliance
(2019. VI. 28.)

Contact details
E-mail address	sztrik.janosinf.unideb.hu
phone number	+36 52 512-900/75011
	own web page

Academic title
scientific degree, title	Ph.D.
year degree was obtained	1980
discipline to which degree belongs	mathematics and computing
institution granting the degree	Kossuth Lajos Tudományegyetem (to be translated)
scientific degree, title	DSc
year degree was obtained	2002
discipline to which degree belongs	computer sciences
institution granting the degree	HAS

Employment
2023 -	University of Debrecen professor emeritus
1996 -	University of Debrecen university professor or researcher

Thesis topic supervisor

number of doctoral students supervised until now

number of students who fulfilled course requirements

students who obtained their degrees:

	Ádám Tóth	PhD	2021	UD-DSI
	Hamza Nemouchi	PhD	2021	UD-DSI
(50%)	Szabolcs Szilágyi	PhD	2015	UD-DSI
(50%)	Gergely Kocsis	PhD	2013	UD-DSI
	Tamás Márton Bérczes	PhD	2011	UD-DSI
	Péter Orosz	PhD	2010	UD-DSI
	János Roszik	PhD	2007	DSMCS-DE
	Béla Almási	PhD	1998

students with degree granting in process:

Mohamed Hedi Zaghouani

PhD

(2024/01)

UD-DSI

completed course requirement:

János Kernács	(PhD)	2013/08	UD-DSI
Zsolt Márkus	(PhD)	2012/08	UD-DSI
Ádám János Fazekas	(PhD)	2014/08	UD-DSI

Thesis topic proposals

Research
research area	queueing theory, performance evaluation, performance modelling of complex infocommunication systems
research field in which current research is conducted	computer sciences mathematics and computing

Publications

2023

Melikov Agassi, Poladova Laman, Edayapurath Sandhya, Sztrik Janos: Single-Server Queuing-Inventory Systems with Negative Customers and Catastrophes in the Warehouse, MATHEMATICS 11: (10) pp. 1-16.
type of document: Journal paper/Article
language: English
URL

2023

Efrosinin Dmitry, Stepanova Natalia, Sztrik Janos: Robustness of the cμ-Rule for an Unreliable Single-Server Two-Class Queueing System with Constant Retrial Rates, MATHEMATICS 11: (18) pp. 1-14.
type of document: Journal paper/Article
language: English
URL

2023

Jeganathan Kathirvel, Harikrishnan Thanushkodi, Lakshmanan Kumarasankaralingam, Melikov Agassi, Sztrik Janos: Modeling of Junior Servers Approaching a Senior Server in the Retrial Queuing-Inventory System, MATHEMATICS 11: (22) pp. 1-31.
type of document: Journal paper/Article
language: English
URL

2022

Nazarov Anatoly, Sztrik János, Kvach Anna, Tóth Ádám: Asymptotic Analysis of Finite-Source M/GI/1 Retrial Queueing Systems with Collisions and Server Subject to Breakdowns and Repairs, METHODOLOGY AND COMPUTING IN APPLIED PROBABILITY 24: pp. 1503-1518.
type of document: Journal paper/Article
number of independent citations: 3
language: English
URL

2020

Nazarov Anatoly, Sztrik János, Kvach Anna, Tóth Ádám: Asymptotic sojourn time analysis of finite-source M/M/1 retrial queueing system with collisions and server subject to breakdowns and repairs, ANNALS OF OPERATIONS RESEARCH 288: (1) pp. 417-434.
type of document: Journal paper/Article
number of independent citations: 4
language: English
URL

2007

Sztrik János, Roszik János: Performance analysis of finite-source retrial queues with nonreliable heterogeneous servers, JOURNAL OF MATHEMATICAL SCIENCES (NEW YORK) 146: (4) pp. 6033-6038.
type of document: Journal paper/Article
number of independent citations: 25
language: English
URL

2005

Almási B., Roszik János, Sztrik János: Homogeneous finite-source retrial queues with server subject to breakdowns and repairs, MATHEMATICAL AND COMPUTER MODELLING 42: (5-6) pp. 673-682.
type of document: Journal paper/Article
number of independent citations: 63
language: English
URL

1993

Sztrik János, Bunday B. D.: Machine interference problem with a random environment, EUROPEAN JOURNAL OF OPERATIONAL RESEARCH 65: (2) pp. 259-269.
type of document: Journal paper/Article
number of independent citations: 20
language: English
URL

1990

Sztrik János, Gál T.: A recursive solution of a queueing model for a multi-terminal system subject to breakdowns, PERFORMANCE EVALUATION 11: pp. 1-7.
type of document: Journal paper/Article
number of independent citations: 28
language: English
URL

1985

Sztrik János: On the finite-source G/M/r queues, EUROPEAN JOURNAL OF OPERATIONAL RESEARCH 20: (2) pp. 261-268.
type of document: Journal paper/Article
number of independent citations: 29
language: English
URL

Number of independent citations to these publications:

172

Scientometric data

list of publications and citations

number of scientific publications that meet accreditation criteria:

474

number of scientific publications:

378

monographs and professional books:

monographs/books in which chapters/sections were contributed:

art/engineering creative works:

scientific publications published abroad that meet the accreditation criteria:

230

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

number of independent citations to scientific publications and creative works:

989