학력

• 중앙대학교 수학과 이학사 (2008)
• 이화여자대학교 통계학과 이학석사 (2013)
• 이화여자대학교 통계학과 이학박사 (2016)

경력

• Universidad de Zaragaza, Spain, Post doctoral researcher (2017-2020)

연구분야

• Stochastic process
• Multivariate distribution
• Reliability and Survival analysis

주요논문 및 저서

논문

• [25] Lee, H. and Cha, J. H. (2024) New continuous bivariate distributions generated from shock models, Statistics, Vol. 58(2), 437-449.
  
• [24] Badia, G., Cha, J.H., Lee, H, and Sangüesa, C. (2024) Preservation of the log concavity by Bernstein operator with an application to ageing properties of a coherent system, Journal of Computational and Applied Mathematics, Vol. 443, 1-7.
  
• [23] Badia, G., *Lee, H, and Sangüesa, C. (2023)  Log concavity preservation by beta operator based on probability tools,  Journal of Mathematical Analysis and Applications, Vol. 525(1), 1-13. (*Corresponding Author)
  
• [22] Lee, H (2023). Mixture discrete reversed hazard rate and its main properties, Communications in Statistics-Theory and Methods, Vol. 52(22), 8053-8068.
  
• [21] Lee, H, Cha, J. H., and Finkelstein, M. (2022) A Preventive replacement policy for a system subject to bivariate generalized Polya failure process, Mathematics, Vol. 10(11), 1833
  
• [20] Lee, H. and Cha, J. H. (2021). On a multivariate IFR and positively dependent lifetime model induced by multiple shot-noise processes, Statistical Papers, Vol. 62(2), 561-590.
  
• [19] Lee, H. (2021). A general shock model for modelling coupled lives and its application to life insurance, Communications in Statistics-Theory and Methods, Vol. 50(12), 2859-2876.
  
• [18] Lee, H. and Cha J.H. (2021). A general multivariate new better than used (MNBU) distribution and its properties, Metrika, Vol. 84, 27-46.
  
• [17] Lee, H (2020). On a new stochastic model for cascading failures, Journal of Applied Probability, Vol. 57(4), 1150-1161.
  
• [16] Badia, G., Berrade, M. D., and Lee H. (2020). A study of cost effective maintenance policies: age replacement versus replacement after N minimal repairs, Reliability Engineering & System Safety, Vol. 201, 106949.
  
• [15] Lee, H. and Cha, J. H. (2020). A new general class of discrete bivariate distributions constructed by using the likelihood ratio order. Statistical Papers, Vol. 61(3), 923-944.
  
• [14] Badía, G. and *Lee, H.(2020). On stochastic comparison and ageing properties of multivariate proportional hazard rate mixtures, Metrika, Vol. 83(3), 355-375. (*Corresponding Author)
  
• [13] Lee, H. (2020). State-dependent age replacement policy for a system subject to cascading failures, Journal of Risk and Reliability, Vol. 234(2). 
  
• [12] Lee, H. and Cha, J. H. (2019). A bivariate optimal replacement policy for a system subject to a generalized failure and repair process, Applied Stochastic Models in Business and Industry, Vol. 35, pp. 637–650.
  
• [11] Badia, G., Berrade, M. D., Cha, J. H. and Lee, H. (2018) Optimal replacement policy under a general failure and repair model: minimal versus worse than old repair, Reliability Engineering & System Safety, Vol. 180, 362-372.
  
• [10]. Lee, H. and Cha, J. H. (2018). A dynamic bivariate common shock model with cumulative effect and its actuarial application, Scandinavian Actuarial Journal,Vol 2018Issue 10, 890-906.
  
• [9] Lee, H., Cha, J. H. and Pulcini G. (2017). Modeling discrete bivariate data with applications to failure and count data, Quality and Reliability Engineering International, Vol. 33, pp. 1455-1473.
  
• [8] Lee, H. and Cha, J. H. (2017). Reliability sampling plan for repairable items following general failure process and its statistical analysis, Statistics, Vol. 51, pp. 1159-1178.
  
• [7] Lee, H. and Cha, J. H. (2016). New stochastic models for preventive maintenance and maintenance optimization, European Journal of Operational Research, Vol. 255, pp. 80-90.
  
• [6] Lee, H. and Cha, J. H. (2016). New generalized burn-in procedure for items in stochastically evolving population, Applied Mathematical Modelling, Vol. 40, pp. 8338-8351.
  
• [5] Lee, H., Cha, J. H. and Finkelstein, M. (2016). On information-based warranty policy for repairable products from heterogeneous population, European Journal of Operational Research, Vol. 253, pp. 204-215.
  
• [4] Lee, H. and Cha, J. H. (2016). Point process approach to modeling and analysis of general cascading failure models, Journal of Applied Probability, Vol. 53, pp. 174-186.
  
• [3] Lee, H. and Cha, J. H. (2015). Construction of two new general classes of bivariate distributions based on stochastic orders, Journal of Multivariate Analysis, Vol. 142, pp. 75-85.
  
• [2] Lee, H. and Cha, J. H. (2015). On two general classes of discrete bivariate distributions, American Statistician, Vol. 69, pp. 221-230.
  
• [1] Lee, H. and Cha, J. H. (2014). On construction of general classes of bivariate distributions, Journal of Multivariate Analysis, Vol. 127, pp. 151-159.