{"id":375,"date":"2024-03-22T11:17:28","date_gmt":"2024-03-22T09:17:28","guid":{"rendered":"https:\/\/tbs.ubbcluj.ro\/staff\/?p=375"},"modified":"2026-01-08T03:32:13","modified_gmt":"2026-01-08T01:32:13","slug":"ioan-cristian-chifu-3","status":"publish","type":"post","link":"https:\/\/tbs.ubbcluj.ro\/staff\/en\/ioan-cristian-chifu-3\/","title":{"rendered":"CHIFU Ioan-Cristian"},"content":{"rendered":"<ul class=\"wpuf_customs\">            <li class=\"wpuf-field-data wpuf-field-data-radio_field\">\n                                    <label>V\u0103 \u00eencadra\u021bi \u00een categoria::<\/label>\n                                cadrelor didactice            <\/li>\n                    <li class=\"wpuf-field-data wpuf-field-data-textarea_field\">\n                                   <label>Scurta prezentare:<\/label>\n                               <p><span style=\"color: #212529;font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji'\">Ioan Cristian Chifu is a graduate of the Faculty of Mathematics and Computer Science of Babe\u0219-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.\u00a0<\/span><\/p>\n<p><span style=\"color: #212529;font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji'\">His main research fields are Fixed Point Theory and Applied Statistics, fields in which he published 5 books and over 30 scientific articles.\u00a0<\/span><\/p>\n            <\/li>\n                     <li class=\"wpuf-field-data wpuf-field-data-text_field\">\n                                    <label>Telefon:<\/label>\n                                0264 599 170            <\/li>\n                    <li class=\"wpuf-field-data wpuf-field-data-email_address\">\n                                    <label>Adresa de email:<\/label>\n                                <a href=\"mailto:cristian.chifu@ubbcluj.ro\">cristian.chifu@ubbcluj.ro<\/a>            <\/li>\n                    <li class=\"wpuf-field-data wpuf-field-data-dropdown_field\">\n                                    <label>Grad didactic:<\/label>\n                                Profesor Dr.            <\/li>\n                    <li class=\"wpuf-field-data wpuf-field-data-multiple_select\">\n                                    <label>Func\u021biile de\u021binute:<\/label>\n                                Director Departament            <\/li>\n                    <li class=\"wpuf-field-data wpuf-field-data-textarea_field\">\n                                   <label>Program consulta\u021bii:<\/label>\n                               <p style=\"margin: 0px 0px 1em;padding: 0px;border: 0px;line-height: inherit;font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';color: #212529\">\u25a3 Tuesday \u2192 10:00-11:00<\/p>\n<p style=\"margin: 0px 0px 1em;padding: 0px;border: 0px;line-height: inherit;font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';color: #212529\">\u25a3 Room 211 (second floor)<\/p>\n            <\/li>\n                     <li class=\"wpuf-field-data wpuf-field-data-textarea_field\">\n                                   <label>Disciplinele predate sunt: *men\u021biona\u021bi denumirea disciplinei, nivelul de studiu \u0219i specializarea la care desf\u0103\u0219ura\u021bi activit\u0103\u021bi didactice:<\/label>\n                               <p style=\"margin: 0px 0px 1em;padding: 0px;border: 0px;line-height: inherit;font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';color: #212529\">\u25c8 Introduction to econometrics\u00a0<span style=\"margin: 0px;padding: 0px;border: 0px;line-height: inherit;font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';color: #212529\">\u2502\u00a0<\/span><span style=\"margin: 0px;padding: 0px;border: 0px;line-height: inherit;font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';color: #212529\">Bachelor<\/span>\u00a0<span style=\"margin: 0px;padding: 0px;border: 0px;line-height: inherit;font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';color: #212529\">\u2013 <\/span>Business Administration and Business Administration in Hospitality Services (Romanian and English line)<\/p>\n<p style=\"margin: 0px 0px 1em;padding: 0px;border: 0px;line-height: inherit;font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';color: #212529\">\u25c8 Econometrics\u00a0<span style=\"margin: 0px;padding: 0px;border: 0px;line-height: inherit;font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';color: #212529\">\u2502 Master<\/span>\u00a0<span style=\"margin: 0px;padding: 0px;border: 0px;line-height: inherit;font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';color: #212529\">\u2013\u00a0<\/span>Business Administration (Romanian line) and International Business Administration (English line)<\/p>\n<p style=\"margin: 0px 0px 1em;padding: 0px;border: 0px;line-height: inherit;font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';color: #212529\">\u25c8 Quantitative methods in the hotel industry <span style=\"margin: 0px;padding: 0px;border: 0px;line-height: inherit;font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';color: #212529\">\u2502 Master<\/span>\u00a0<span style=\"margin: 0px;padding: 0px;border: 0px;line-height: inherit;font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';color: #212529\">\u2013 Hotel Management (Romanian line)<\/span><\/p>\n<p style=\"margin: 0px 0px 1em;padding: 0px;border: 0px;line-height: inherit;font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';color: #212529\">\u25c8 Forecasts in tourism\u00a0<span style=\"margin: 0px;padding: 0px;border: 0px;line-height: inherit;font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';color: #212529\">\u2502 Master<\/span>\u00a0<span style=\"margin: 0px;padding: 0px;border: 0px;line-height: inherit;font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';color: #212529\">\u2013 Business Administration in Hospitality and International Tourism (English line)<\/span><\/p>\n            <\/li>\n                     <li class=\"wpuf-field-data wpuf-field-data-textarea_field\">\n                                   <label>Cele mai de impact 4 publica\u021bii (articole, c\u0103r\u021bi etc.) sunt:  *este recomandat\u0103 \u0219i men\u021bionarea DOI-ului \u0219i WOS-ului (dac\u0103 e cazul):<\/label>\n                               <p><span style=\"color: #212529;font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji'\">\u25c8\u00a0<\/span>Ioan Cristian Chifu, Gabriela Petru\u015fel, 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<\/p>\n<p><span style=\"color: #212529;font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji'\">\u25c8<\/span>\u00a0Erdal Karapinar, Ioan Cristian Chifu, Results in wt-distance over b-metric spaces, Mathematics, 2020, 8(2), 220;\u00a0 <a href=\"https:\/\/doi.org\/10.3390\/math8020220\" rel=\"nofollow\">https:\/\/doi.org\/10.3390\/math8020220<\/a>, WOS:000519234000075<\/p>\n<p><span style=\"color: #212529;font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji'\">\u25c8<\/span>\u00a0Ioan Cristian Chifu, Gabriela Petru\u015fel, 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<\/p>\n<p><span style=\"color: #212529;font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji'\">\u25c8<\/span>\u00a0Ioan Cristian Chifu, Gabriela Petru\u015fel, Erdal Karapinar, Fixed point results in \u03b5-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<\/p>\n            <\/li>\n                     <li class=\"wpuf-field-data wpuf-field-data-textarea_field\">\n                                   <label>Arii de interes \u0219tiin\u021bific:<\/label>\n                               <ul>\n<li><span style=\"color: #212529;font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji'\">Fixed Point Theory<\/span><\/li>\n<li><span style=\"color: #212529;font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji'\">Applied Statistics<\/span><\/li>\n<\/ul>\n            <\/li>\n                     <li class=\"wpuf-field-data wpuf-field-data-text_field\">\n                                    <label>Profil de Google Scholar:<\/label>\n                                https:\/\/scholar.google.ro\/citations?user=XLYT2-AAAAAJ&amp;hl=en            <\/li>\n                    <li class=\"wpuf-field-data wpuf-field-data-text_field\">\n                                    <label>Profil de Research Gate:<\/label>\n                                https:\/\/www.researchgate.net\/profile\/Cristian-Chifu            <\/li>\n                    <li class=\"wpuf-field-data wpuf-field-data-text_field\">\n                                    <label>Researcher ID (WOS):<\/label>\n                                K-5509-2019            <\/li>\n                    <li class=\"wpuf-field-data wpuf-field-data-text_field\">\n                                    <label>ORCID (hyperlink):<\/label>\n                                0000-0003-1992-8549            <\/li>\n                    <li class=\"wpuf-field-data wpuf-field-data-text_field\">\n                                    <label>SCOPUS Author ID:<\/label>\n                                56147402700            <\/li>\n                    <li class=\"wpuf-field-data wpuf-field-data-text_field\">\n                                    <label>Profil de LinkedIn:<\/label>\n                                www.linkedin.com\/in\/cristian-chifu-3944968a            <\/li>\n                    <li class=\"wpuf-field-data wpuf-field-data-textarea_field\">\n                                   <label>Cele mai relevante 4 colabor\u0103ri\/parteneriate pe care le-a\u021bi avut\/le ave\u021bi cu mediul de business sunt:<\/label>\n                               <p style=\"margin: 0px 0px 1em;padding: 0px;border: 0px;line-height: inherit;font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';color: #212529\">Internationally, he has collaborated for many years with Pain Alliance Europe in four projects, as follows:<\/p>\n<p style=\"margin: 0px 0px 1em;padding: 0px;border: 0px;line-height: inherit;font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';color: #212529\">\u2981 PAE 2021 chronic pain survey on diagnostics and treatments, Pain Alliance Europe (2021)<\/p>\n<p style=\"margin: 0px 0px 1em;padding: 0px;border: 0px;line-height: inherit;font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';color: #212529\">\u2981 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)<\/p>\n<p style=\"margin: 0px 0px 1em;padding: 0px;border: 0px;line-height: inherit;font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';color: #212529\">\u2981 Pain Alliance Europe's survey 4 \u2013 Chronic pain and eHealth and mHealth, Pain Alliance Europe (2020)<\/p>\n<p style=\"margin: 0px 0px 1em;padding: 0px;border: 0px;line-height: inherit;font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';color: #212529\">\u2981 All-Europe Pain Patients impact survey; part \u2013 3: Pain and Stigma, Pain Alliance Europe (2019)<\/p>\n            <\/li>\n         <\/ul>","protected":false},"excerpt":{"rendered":"<p>V\u0103 \u00eencadra\u021bi \u00een categoria:: cadrelor didactice Scurta prezentare: Ioan Cristian Chifu is a graduate of the Faculty of Mathematics and Computer Science of Babe\u0219-Bolyai University, &hellip;<\/p>\n","protected":false},"author":7,"featured_media":457,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29],"tags":[],"class_list":["post-375","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-departamentul-de-business-en"],"_links":{"self":[{"href":"https:\/\/tbs.ubbcluj.ro\/staff\/wp-json\/wp\/v2\/posts\/375","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tbs.ubbcluj.ro\/staff\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tbs.ubbcluj.ro\/staff\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tbs.ubbcluj.ro\/staff\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/tbs.ubbcluj.ro\/staff\/wp-json\/wp\/v2\/comments?post=375"}],"version-history":[{"count":2,"href":"https:\/\/tbs.ubbcluj.ro\/staff\/wp-json\/wp\/v2\/posts\/375\/revisions"}],"predecessor-version":[{"id":728,"href":"https:\/\/tbs.ubbcluj.ro\/staff\/wp-json\/wp\/v2\/posts\/375\/revisions\/728"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tbs.ubbcluj.ro\/staff\/wp-json\/wp\/v2\/media\/457"}],"wp:attachment":[{"href":"https:\/\/tbs.ubbcluj.ro\/staff\/wp-json\/wp\/v2\/media?parent=375"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tbs.ubbcluj.ro\/staff\/wp-json\/wp\/v2\/categories?post=375"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tbs.ubbcluj.ro\/staff\/wp-json\/wp\/v2\/tags?post=375"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}