Biography
Ioan Cristian Chifu is a graduate of the Faculty of Mathematics and Computer Science of Babeș-Bolyai University, class of 1996, graduate of the postgraduate program Nonlinear operators and differential equations, class of 1997 and PhD in Mathematics since 2003, the title of his doctoral thesis being "Contributions to the qualitative theory of partial differential equations". He has been a tenured professor at the Faculty of Business since 1999, becoming a professor in 2015.
His main research fields are Fixed Point Theory and Applied Statistics, fields in which he published 5 books and over 30 scientific articles.
Consultation hours
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Disciplines taught
◈ Introduction to econometrics │ Bachelor – Business Administration and Business Administration in Hospitality Services (Romanian and English line)
◈ Econometrics │ Master – Business Administration (Romanian line) and International Business Administration (English line)
◈ Quantitative methods in the hotel industry │ Master – Hotel Management (Romanian line)
◈ Forecasts in tourism │ Master – Business Administration in Hospitality and International Tourism (English line)
Areas of scientific interest
- Fixed Point Theory
- Applied Statistics
Scientific publications
◈ Ioan Cristian Chifu, Gabriela Petruşel, Generalized contractions in metric spaces endowed with a graph, Fixed Point Theory and Applications, Volume 2012, 2012:161, doi: 10.1186/1687-1812-2012-161, WOS:000312638200001
◈ Erdal Karapinar, Ioan Cristian Chifu, Results in wt-distance over b-metric spaces, Mathematics, 2020, 8(2), 220; https://doi.org/10.3390/math8020220, WOS:000519234000075
◈ Ioan Cristian Chifu, Gabriela Petruşel, Fixed point results for multivalued contractions in b-metric spaces with applications to fractals, Taiwanese Journal of Mathematics, vol 18, No 5 (2014), doi: 10.11650/tjm.18.2014.4137, WOS:000345492900003
◈ Ioan Cristian Chifu, Gabriela Petruşel, Erdal Karapinar, Fixed point results in ε-chainable complete b-metric spaces, Fixed Point Theory, Volume 21(2020), No. 2, 453-464, DOI: 10.24193/fpt-ro.2020.2.32, WOS:000560416800005
Partnerships with the business environment
Internationally, he has collaborated for many years with Pain Alliance Europe in four projects, as follows:
⦁ PAE 2021 chronic pain survey on diagnostics and treatments, Pain Alliance Europe (2021)
⦁ Pain Alliance Europe's in-depth survey on the consequences for chronic pain patients across Europe on the COVID-19 pandemic, Pain Alliance Europe (2021)
⦁ Pain Alliance Europe's survey 4 – Chronic pain and eHealth and mHealth, Pain Alliance Europe (2020)
⦁ All-Europe Pain Patients impact survey; part – 3: Pain and Stigma, Pain Alliance Europe (2019)