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personal data approved: 2023. XII. 02.
Personal data
János Sztrik
name János Sztrik
name of institution
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 12
number of students who fulfilled course requirements 9
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
hiányos adatú hallgatói:
Mohamed Hedi Zaghouani PhD ()  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:
481
number of scientific publications:
383
monographs and professional books:
6
monographs/books in which chapters/sections were contributed:
5 
art/engineering creative works:
0
scientific publications published abroad that meet the accreditation criteria:
234
publications not in Hungarian, published in Hungary, meeting the accreditation criteria:
79
number of independent citations to scientific publications and creative works:
1000


2024. IV. 17.
ODT ülés
Az ODT következő ülésére 2024. június 14-én, pénteken 10.00 órakor kerül sor a Semmelweis Egyetem Szenátusi termében (Bp. Üllői út 26. I. emelet).

 
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. )