RUHUL ALI KHAN
Department of Mathematics, University of Arizona, Tucson, USA
Publications
Khan, Ruhul Ali and Mitra, Murari (2019). Sharp bounds for survival probability when ageing is not monotone. Probability in the Engineering and Informational Sciences: 33(2), 205-219, DOI: https://doi.org/10.1017/S026 9964818000128.
Bhattacharyya, Dhrubasish, Khan, Ruhul Ali and Mitra, Murari (2020). Stochastic comparisons of series, parallel and k-out-of-n systems with heterogeneous bathtub failure rate type components. Physica A: Statistical Mechanics and its Applications: 540, 123124, DOI: https://doi.org/10.1016/j.physa.2019.123124.
Bhattacharyya, Dhrubasish, Khan, Ruhul Ali and Mitra, Murari (2020). A nonparametric test for comparison of mean past lives. Statistics & Probability Letters: 161, 108722, DOI: https://doi.org/10.1016/j.spl.2020.108722.
Khan, Ruhul Ali, Bhattacharyya, Dhrubasish and Mitra, Murari (2020). A change point estimation problem related to age replacement policies. Operations Research Letters: 48(2), 105-108, DOI: https://doi.org/10.1016 /j.orl.2019.12.005.
Bhattacharyya, Dhrubasish, Khan, Ruhul Ali and Mitra, Murari (2020). A test of exponentiality against DMTTF alternatives via L-statistics. Statistics & Probability Letters: 165, 108853, DOI: https://doi.org/10.1016/j.spl.20 20.108853.
Khan, Ruhul Ali, Bhattacharyya, Dhrubasish and Mitra, Murari (2020). On some properties of the mean inactivity time function. Statistics & Probability Letters: 170, 108993, DOI: https://doi.org/10.1016/j.spl.2020.108993.
Khan, Ruhul Ali and Mitra, Murari (2021). Estimation issues in the Exponential Logarithmic model under hybrid censoring. Statistical Papers: 62, 419–450 DOI: https://doi.org/10.1007/s00362-019-01100-3.
Bhattacharyya, Dhrubasish, Khan, Ruhul Ali and Mitra, Murari (2021). Two-sample nonparametrictest for comparing mean time to failure functions in age replacement. Journal of Statistical Planningand Inference: 212, 34-44, DOI: https://doi.org/10.1016/j.jspi.2020.10.003.
Khan, Ruhul Ali, Bhattacharyya, Dhrubasish and Mitra, Murari (2021). Exact and asymptotic tests of exponentiality against nonmonotonic mean time to failure type alternatives. Statistical Papers, DOI: https://doi.org/10.1007/s0 0362-021-01226-3.
Bhattacharyya, Dhrubasish, Khan, Ruhul Ali and Mitra, Murari (2021). Tests for Laplace order dominance with applications to insurance data. Insurance: Mathematics and Economics: 99, 163-173, DOI: https://doi.org/10. 1016/j.insmatheco.2021.04.005.
Mitra, Murari and Khan, Ruhul Ali (2021). Reliability Shock Models: A Brief Excursion. In: Laha A.K. (ed) Applied Advanced Analytics. Springer Proceedings in Business and Economics. Springer, Singapore, DOI: https://doi.org/10.1007/978-9833 -6656-5_3.
Khan, Ruhul Ali, Bhattacharyya, Dhrubasish and Mitra, Murari (2021). On classes of life distributions based on the mean time to failure function. Journal of Applied Probability: 58(2), 289-313, DOI: https://doi.org/10.1017/jpr.2020.91.
Bhattacharyya, Dhrubasish, Khan, Ruhul Ali and Mitra, Murari. A goodness of fit test for mean time to failure function in age replacement. Journal of Statistical Computation and Simulation. DOI: https://doi.org/10.1080/00949655.2021.1944141.
Bhattacharyya, Dhrubasish, Khan, Ruhul Ali and Mitra, Murari. A new family of tests for DMTTF alternatives under complete and censored samples. Communications in Statistics - Simulation and Computation. DOI: https://doi.org/10.1080/03610918.2021.1965164
Bera, Smaranika, Bhattacharyya, Dhrubasish, Khan, Ruhul Ali and Mitra, Murari. Test for harmonic mean residual life function: A goodness of fit approach. Mathematics and Computers in Simulation. DOI: https://doi.org/10.1016/j.matcom.2022.06.008.
Khan, Ruhul Ali, Bhattacharyya, Dhrubasish and Mitra, Murari. On some properties of distributions possessing a bathtub-shaped failure rate average. Journal of Applied Probability, Accepted for publication.
Khan, Ruhul Ali. Resilience family of receiver operating characteristic curves. IEEE Transactions on Reliability, Accepted for publication. DOI: https://doi.org/10.1109/TR.2022.3194710.
Submitted Article
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Khan, Ruhul Ali, Bhattacharyya, Dhrubasish, Mitra, Murari and Nadarajah, Saralees. Stochastic comparisons of order statistics from independent heterogeneous Gompertz distributions.
Bera, Smaranika, Khan, Ruhul Ali, Bhattacharyya, Dhrubasish, Mitra, Murari. Stochastic ordering results for k-out-of-n systems with generalized Gompertz components and related issues.
Bera, Smaranika, Khan, Ruhul Ali, Bhattacharyya, Dhrubasish, Mitra, Murari. A change point estimation problem when ageing is not monotone.
Panja, Arindam, Bhattacharyya, Dhrubasish, Khan, Ruhul Ali, and Pradhan, Biswabrata. Nonparametric test for harmonic mean residual life order in the two-sample problem.
Bera, Smaranika, Bhattacharyya, Dhrubasish, Khan, Ruhul Ali and Mitra, Murari. A goodness of fit test related to the mean inactive time function.
Khan, Ruhul Ali, Two-sample nonparametric test for proportional reversed hazards. https://doi.org/10.48550/arXiv.2203.12464
Review Activities
Reviewer for Communications in Statistics - Theory and Methods, Probability in the Engineering and Informational Sciences, Statistical Papers, Mathematical Reviews - American Mathematical Society (MR Number: 156658).