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I am a tenured professor with the Department of Statistics at the University of Zaragoza since 2003. I have published 42 papers in JCR journals with 27 of them in the last ten years. In addition, 10 papers in the last decade appear in journals occupying the first quartile (Q1). The h-index of my research in Scopus is 11. The one entitled “Optimal inspection and preventive maintenance of units with revealed and unrevealed failures” (2002) Reliability Engineering and System Safety, 78 (2), pp. 157-163 (with M.D. Berrade, C.A. Campos) is among the most outstanding ones. with 112 cites in Scopus. I supervised a Ph.D. thesis in 1999 authored by M.D. Berrade on maintenance modelling, with 5 papers in JCR journals coming out from this thesis. In addition, I have supervised 2 post-doc students (Ebrahim Salehi from University of Isfahan (Iran) and Hyunju Lee from Ewma Womans University in Seoul (South Korea). I’ve been developing a long term collaboration with Professor Ji Hwan Cha from Ewma Womans University in Seoul (South Korea) since 2012. Professor Cha is an outstanding researcher on reliability. I also carry out joint research activities with Sophie Mercier who is also a highly reputed researcher in this area from University of Pau and Pays de l’Adour (UPPA) in Pau (France). In addition, I`ve been visiting scholar at the Department of Statistics of EWHA Womans University in Korea for a research stay 4 times, invited by professor Cha. My research fields of interest are probabilistic methods in approximation theory (topic of my Ph.D. thesis), reliability properties of mixtures, stochastic comparisons of counting processes, maintenance optimization, ageing properties of counting process observed in a random time and theoretical reliability. I carry out a regular activity as referee of scientific papers for well-known journals in applied probability and operations research & management (20 papers per year). I usually have attended the most many remarkable international conferences on reliability as ESREL (European Safety and Reliability Conference), MMR (Mathematical Methods in Reliability), and IWAP (International Workshop in Applied Probability. I’ve been the speaker in 5 invited sessions and member of the scientific committee in 2 ESREL conferences.
Journal articles
- Cha, J.H.; Badía, F.G. On a multivariate generalized polya process without regularity property. PROBABILITY IN THE ENGINEERING AND INFORMATIONAL SCIENCES. 2020. DOI: 10.1017/S0269964819000111
- Badía, F.G.; Sangüesa, C.; Cha, J.H. Univariate and multivariate stochastic comparisons and ageing properties of the generalized Pólya process. JOURNAL OF APPLIED PROBABILITY. 2018. DOI: 10.1017/jpr.2018.15
- Badía, F.G.; Mercier, S.; Sangüesa, C. Extensions of the Generalized Pólya Process. METHODOLOGY AND COMPUTING IN APPLIED PROBABILITY. 2018. DOI: 10.1007/s11009-018-9663-y
- Badía, F.G.; Berrade, M.D.; Cha, J.H.; Lee, H. Optimal replacement policy under a general failure and repair model: Minimal versus worse than old repair. RELIABILITY ENGINEERING AND SYSTEM SAFETY. 2018. DOI: 10.1016/j.ress.2018.07.032
- Badía, F.G.; Sangüesa, C.; Cha, J.H. Stochastic comparisons and multivariate dependence for the epoch times of trend renewal processes. JOURNAL OF MULTIVARIATE ANALYSIS. 2018. DOI: 10.1016/j.jmva.2018.07.011
- Cha, J.H.; Badía, F.G. Multivariate reliability modelling based on dependent dynamic shock models. APPLIED MATHEMATICAL MODELLING. 2017. DOI: 10.1016/j.apm.2017.06.032
- Badía, F. G.; Cha, J. H. On bending (down and up) property of reliability measures in mixtures. METRIKA. 2017. DOI: 10.1007/s00184-017-0613-4
- Ferruz, L.; Badía, G. Adapting and testing the Fama and French model, with some variations of company characteristics. APPLIED ECONOMICS LETTERS. 2017. DOI: 10.1080/13504851.2016.1192266
- Badía, F. G.;Sangüesa, C. Log-Convexity of Counting Processes Evaluated at a Random end of Observation Time with Applications to Queueing Models. METHODOLOGY AND COMPUTING IN APPLIED PROBABILITY. 2017. DOI: 10.1007/s11009-016-9520-9
- Cha, J. H.; Badía, F. G. Prediction of the residual failure processes based on the process history. COMMUNICATIONS IN STATISTICS-THEORY AND METHODS. 2017. DOI: 10.1080/03610926.2015.1122059
- Badía Blasco, Francisco Germán; Sangüesa Lafuente, Carmen. Negative ageing properties for counting processes arising in virtual age models. APPLIED MATHEMATICAL MODELLING. 2016. DOI: 10.1016/j.apm.2015.12.032
- Cha, J. H.;Badía, F. G. An information-based burn-in procedure for minimally repaired items from mixed population. APPLIED STOCHASTIC MODELS IN BUSINESS AND INDUSTRY. 2016. DOI: 10.1002/asmb.2176
- Salehi, E.; Asadi, M.; Badia, F.G. Assessing the reliability and the stochastic properties of the components of consecutive k-out-of-n systems. JOURNAL OF APPLIED STATISTICAL SCIENCE. 2016
- Badía, F. G.; Sangüesa, C. Inventory models with nonlinear shortage costs and stochastic lead times; Applications of shape properties of randomly stopped counting processes. NAVAL RESEARCH LOGISTICS. 2015. DOI: 10.1002/nav.21637
- Badía, F. G.; Sangüesa, C. The DFR property for counting processes stopped at an independent random time. JOURNAL OF APPLIED PROBABILITY. 2015
- Badía Blasco, Francisco Germán; Sangüesa Lafuente, Carmen. Log-concavity for Bernstein-type operators using stochastic orders. JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS. 2014. DOI: 10.1016/j.jmaa.2013.12.014
- Sangüesa, C.; Badía, F. G.; Cha, J. H. Preservation of ageing classes in deterioration models with independent increments. JOURNAL OF INEQUALITIES AND APPLICATIONS. 2014. DOI: 10.1186/1029-242X-2014-200
- Badía, F. G.; Sangüesa, C.; Cha, J. H. Stochastic comparison of multivariate conditionally dependent mixtures. JOURNAL OF MULTIVARIATE ANALYSIS. 2014. DOI: 10.1016/j.jmva.2014.04.001
- Badía, F. G.;Sangüesa, C. Log-concavity for Bernstein-type operators using stochastic orders. ELECTRONIC NOTES IN DISCRETE MATHEMATICS. 2013. DOI: 10.1016/j.endm.2013.07.005
- Badía,F. G.;Cha,J. H. Preservation properties of a renewal process stopped at a random dependent time. PROBABILITY IN THE ENGINEERING AND INFORMATIONAL SCIENCES. 2013. DOI: 10.1017/S0269964812000393
- Salehi, E. T.;Badãœa, F. G.;Asadi, M. Preservation properties of a homogeneous Poisson process stopped at an independent random time. STATISTICS & PROBABILITY LETTERS. 2012. DOI: 10.1016/j.spl.2011.11.006
- Badía,F. G.;Salehi,E. T. Preservation of reliability classes associated with the mean residual life by a renewal process stopped at a random time. APPLIED STOCHASTIC MODELS IN BUSINESS AND INDUSTRY. 2012. DOI: 10.1002/asmb.921
- Badia,F. G. Hazard rate properties of a general counting process stopped at an independent random time. JOURNAL OF APPLIED PROBABILITY. 2011. DOI: 10.1239/jap/1300198136
- Badía Blasco, Francisco Germán; Berrade Ursúa, María Dolores. Optimum maintenance policy of a Periodically inspected system under imperfect repair. ADVANCES IN OPERATIONS RESEARCH. 2009. DOI: 10.1155/2009/691203
- Badia, F. G. On the Preservation of Log Convexity and Log Concavity Under some Classical Bernstein-Type Operators. JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS. 2009
- Badia, F. G.;Sanguesa,C. Preservation of Reliability Classes Under Mixtures of Renewal Processes. PROBABILITY IN THE ENGINEERING AND INFORMATIONAL SCIENCES. 2008
- Badía, F.G. ; Berrade, M.D. Minimal repair model for systems under both unrevealed minor failures and unrevealed catastrophic failures. INTERNATIONAL MATHEMATICAL FORUM. 2007
- Badía, F.G.; Berrade, M.D. Optimum Maintenance of a System under two Types of Failure. INTERNATIONAL JOURNAL OF MATERIALS & STRUCTURAL RELIABILITY. 2006
- Badía, F. G.; Berrade, M. D.; Campos, Clemente A. Optimum inspection under competing risks with proportional hazards. APPLIED STOCHASTIC MODELS IN BUSINESS AND INDUSTRY. 2002. DOI: 10.1002/asmb.465
- Badia, F.G.; Berrade, M.D.; Campos, Clemente A. Maintenance policy for multivariate standby/operating units. APPLIED STOCHASTIC MODELS IN BUSINESS AND INDUSTRY. 2002. DOI: 10.1002/asmb.459
- Badia, F.G.; Berrade, M.D.; Campos, Clemente A. Optimal inspection and preventive maintenance of units with revealed and unrevealed failures. RELIABILITY ENGINEERING AND SYSTEM SAFETY. 2002. DOI: 10.1016/S0951-8320(02)00154-0
- Badia, F.G.; Berrade, M.D.; Campos, Clemente A. Aging properties of the additive and proportional hazard mixing models. RELIABILITY ENGINEERING AND SYSTEM SAFETY. 2002. DOI: 10.1016/S0951-8320(02)00156-4
- Badía, F.G. ; Berrade, M.D.; Campos, Clemente A. Maintenance policy under multiple unrevealed failures. QÜESTIIÓ. QUADERNS D'ESTADÍSTICA, SISTEMES, INFORMÀTICA I INVESTIGACIÓ OPERATIVA. 2002
- Badia, Fg; Berrade, Md; Campos, Clemente A. Optimization of inspection intervals based on cost. JOURNAL OF APPLIED PROBABILITY. 2001
- Badia, F.G.; Berrade, M.D; Campos, C.A.; Navascues, M.A. On the behavior of aging characteristics in mixed populations. PROBABILITY IN THE ENGINEERING AND INFORMATIONAL SCIENCES. 2001. DOI: 10.1017/S0269964801151065
- Adell, J. A.;Badia, F. G.;Delacal, J. On the iterates of some Bernstein-type operators. JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS. 1997
- Adell, José A.; Badía, F. Germán; de la Cal, Jesús; Plo, Fernando. On the Property of Monotonic Convergence for Beta Operators. JOURNAL OF APPROXIMATION THEORY. 1996. DOI: 10.1006/jath.1996.0005
- Adell, J. A.;Badia, F. G.;Delacal, J. Beta-Type Operators Preserve Shape Properties. STOCHASTIC PROCESSES AND THEIR APPLICATIONS. 1993
Conference presentations
- Badia, F. G.; Berrade, M. D.; Campos, Clemente A. Proportional mean residual life model mixtures. INTERNATIONAL MATHEMATICAL JOURNAL. 2003
Scientific chapters
Projects
- PGC2018-094964-B-100: MODELOS ESTOCÁSTICOS EN FIABILIDAD E INVENTARIOS. APLICACIONES AL MANTENIMIENTO DE SISTEMAS MULTIVARIANTES. 01/01/19 - 30/09/22
- GRUPO DE REFERENCIA MÉTODOS ESTADÍSTICOS NO PARAMÉTRICOS Y BAYESIANOS SOBRE DATOS SESGADOS. 01/01/17 - 31/12/19
- GRUPO CONSOLIDADO S11 MÉTODOS ESTADÍSTICOS NO PARAMÉTRICOS Y BAYESIANOS PARA DATOS SESGADOS. 01/01/16 - 31/12/16
- MTM2015-63978-P: FIABILIDAD DE SISTEMAS: MODELOS ESTOCÁSTICOS DE DETERIORO Y MANTENIMIENTO IMPERFECTO. PROLONGACIÓN DE SU VIDA ÚTIL. 01/01/16 - 31/12/19
- GRUPO CONSOLIDADO S11 MÉTODOS ESTADÍSTICOS NO PARAMÉTRICOS Y BAYESIANOS PARA DATOS SESGADOS. 01/01/15 - 31/12/15
- GRUPO CONSOLIDADO S11 MÉTODOS ESTADÍSTICOS NO PARAMÉTRICOS Y BAYESIANOS PARA DATOS SESGADOS. 01/01/14 - 31/12/14
- GRUPO CONSOLIDADO S11 MÉTODOS NO PARAMÉTRICOS Y BAYESIANOS SOBRE DATOS SESGADOS EN EL MERCADO LABORAL. 01/01/13 - 31/12/13
- MTM2012-36603-C02-02 SUBPROYECTO: FIABILIDAD DE SISTEMAS: MODELADO ESTOCÁSTICO DE SU ENVIJECIMIENTO, DETERIORO Y MANTENIMIENTO. APLICACIÓN A MODELOS DE RIESGOS COMPETITIVOS II. 01/01/13 - 31/12/16
PhD supervision
- Técnicas estadísticas en Fiabilidad: Propiedades de edad bajo mixturas y mantenimiento óptimo de sistemas. Universidad de Zaragoza. Sobresaliente "Cum Laude". 16/12/99
Supervision of undergraduate dissertations
- Una aplicación de mixturas de procesos de Poisson no homogéneos en fiabilidad de sistemas. Comparación de los mantenimientos por la edad y por número de fallos. Universidad de Zaragoza. Notable. 24/09/21
- Búsqueda de una estrategia de inversión más eficiente mediante el análisis técnico y estadístico de los mercados financieros. Universidad de Zaragoza. Notable. 05/10/20
Supervision of master's theses
- Mantenimiento de sistemas con fallos que siguen un proceso de Poisson no homogéneo mezclado. Universidad de Zaragoza. Notable. 16/12/19
- Clases de fiabilidad y órdenes estocásticos. Aplicaciones en modelos de inventario. Universidad de Zaragoza. Sobresaliente. 02/10/17
UNIZAR teaching of the last six courses
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