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personal data approved: 2016. VI. 26.
Personal data
János Sztrik
name János Sztrik
year of birth 1953
name of institution
doctoral school
DE Doctoral School of Mathematical and Computational Sciences (Academic staff member)
DE Doctoral School of Informatics (Core member)
Council of the Doctoral School
Műszaki Tudományi Habilitációs Bizottság
the share of work in the different doctoral schools. DE Doctoral School of Mathematical and Computational Sciences 3%
DE Doctoral School of Informatics 95%
DE DSI-DE Council of the Doctoral School 1%
DE DSI-DE Műszaki Tudományi Habilitációs Bizottság 1%
accreditation statement submitted to: University of Debrecen
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
1996 - University of Debrecen
university professor or researcher
Thesis topic supervisor
number of doctoral students supervised until now 12
number of students who fulfilled course requirements 9
students who obtained their degrees:
(50%) Szabolcs Szilágyi PhD 2015  DSI-DE
(50%) Gergely Kocsis PhD 2013  DSI-DE
Tamás Márton Bérczes PhD 2011  DSI-DE
Péter Orosz PhD 2010  DSI-DE
János Roszik PhD 2007  DSMCS-DE
Béla Almási PhD 1998  

students with degree granting in process:
Ádám János Fazekas PhD (2016/08)  DSI-DE
completed course requirement, without degree or degree granting in process:
János Kernács (PhD) 2013/08  DSI-DE
Zsolt Márkus (PhD) 2012/08  DSI-DE
present PhD students:
Ádám Tóth (PhD) (2020/08)  DSI-DE
András Harsáczki (PhD) (2017/08)  DSI-DE
Hamza Nemouchi (PhD) (2017/08)  DSI-DE
Kornél Ecsedi (PhD) (2017/08)  DSI-DE
hiányos adatú hallgatói:
Ádám János Fazekas PhD (2014/08)  DSI-DE
  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
2014

Tien Van Do, Dénes Papp, Ram Chakka, János Sztrik, Jinting Wang: M/M/1 retrial queue with working vacations and negative customer arrivals, INTERNATIONAL JOURNAL OF ADVANCED INTELLIGENCE PARADIGMS 6:
type of document: Journal paper/Article
number of independent citations: 2
language: English
DOI 
2014

Dmitry Efrosinin, Christopher Spannring, Janos Sztrik: Optimal Allocation Problem in the Machine Repairman System with Heterogeneous Servers, In: Szerk.: Alexander Dudin, Szerk.: Anatoly Nazarov, Szerk.: Rafael Yakupov, Szerk.: Alexander Gortsev Information Technologies and Mathematical Modelling Communications in Computer and Information Science. Berlin; Heidelberg: Springer Verlag, 2014. pp. 113-122. (Communications in Computer and Information Science; 487.)
type of document: Part of book/Proceedings Paper
language: English
Full text 
2013

Do V T, Chakka R, Sztrik J: Spectral expansion solution methodology for QBD-M processes and applications in future internet engineering, In: Szerk.: N T Nguyen, Szerk.: T V Do, Szerk.: H A Thi Le Advanced Computational Methods for Knowledge Engineering. Berlin: Springer, 2013. pp. 131-142. (Studies in Computational Intelligence; 479.)
type of document: Part of book/Könyvfejezet (to be translated)
number of independent citations: 2
language: English
URL 
2013

J Biro, T Bérczes, A Korosi, Z Heszberger, J Sztrik: Discriminatory Processor Sharing from Optimization Point of View, LECTURE NOTES IN COMPUTER SCIENCE 7984:
type of document: Journal paper/Article
number of independent citations: 1
language: English
DOI 
2012

Bérczes Tamás, Sztrik János, Orosz Péter, Pascal Moyal, N. Limnios, S. Georgiadis: Tool supported modeling of sensor communication networks by using finite-source priority retrial queues, CARPATHIAN JOURNAL OF ELECTRONIC AND COMPUTER ENGINEERING 5:
type of document: Journal paper/Article
number of independent citations: 7
language: English
Full text 
2007

Sztrik János, Roszik János: Performance analysis of finite-source retrial queues with nonreliable heterogeneous servers, JOURNAL OF MATHEMATICAL SCIENCES (NEW YORK) 146: (4)
type of document: Journal paper/Article
number of independent citations: 17
language: English
Full text 
2005

Sztrik János, Almási B., Roszik János: Homogeneous finite-source retrial queues with server subject to breakdowns and repairs, MATHEMATICAL AND COMPUTER MODELLING 42: (5-6)
type of document: Journal paper/Article
number of independent citations: 42
language: English
Full text 
1990

Sztrik János, Gál T.: A recursive solution of a queueing model for a multi-terminal system subject to breakdowns, PERFORMANCE EVALUATION 11:
type of document: Journal paper/Article
number of independent citations: 21
language: English
Full text 
1985

Sztrik János: On the finite-source G/M/r queues, EUROPEAN JOURNAL OF OPERATIONAL RESEARCH 20: (2)
type of document: Journal paper/Article
number of independent citations: 26
language: English
Full text 
1983

Sztrik János: On the machine interference problem, PUBLICATIONES MATHEMATICAE DEBRECEN 30: (1-2)
type of document: Journal paper/Article
number of independent citations: 17
language: English
Full text 
Number of independent citations to these publications:135 
Scientometric data
list of publications and citations
number of scientific publications that meet accreditation criteria:
193
number of scientific publications:
246
monographs and professional books:
4
monographs/books in which chapters/sections were contributed:
1 
art/engineering creative works:
0
scientific publications published abroad that meet the accreditation criteria:
118
publications not in Hungarian, published in Hungary, meeting the accreditation criteria:
55
number of independent citations to scientific publications and creative works:
473

 
All rights reserved © 2007, Hungarian Doctoral Council. Doctoral Council registration number at commissioner for data protection: 02003/0001. Program version: 1.2318 ( 2016. XI. 26. )