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

• [30] Lee, H., and Cha, J. H. (2026) New Discrete Bivariate Distributions Generated from Discrete Time Point Process Model, Methodology and Computing in Applied Probability, (Published online) doi: 10.1007/s11009-026-10263-0.
• [29] Lee, H., Badia, G. and Cha, J. H. (2026) New continuous bivariate distributions developed based on general shock models, Journal of Computational and Applied Mathematics, Vol. 484, 1-16.
• [28] Badía, F. G., Berrade, M. D., Lee, H., and Villegas, I. (2026) A mixed non-homogeneous Poisson process to model the quality of maintenance, Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability, 1-19.
• [27] Badía, F. G., Berrade Ursúa, M. D., Cha, J. H., and Lee, H. (2025) On the Properties of the Weighted Mean Residual Life in Mixtures, Applied stochastic models in business and industry, Vol. 41(6), 1-11.
• [26] Yoo, N. Y., Lee, H. and Cha, J. H. (2025) Development of a new general class of bivariate distributions based on reversed hazard rate order, Computational statistics & data analysis, Vol. 204, 1-15.
• [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.