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Akram Kohansal

Associate Professor

Update: 2025-09-21

Akram Kohansal (Faculty Member)

Faculty of Sciences / Statistics

Journal Paper

  1. "Stress-strength Gompertz analysis with application to the monthly water capacity of the Shasta reservoir data"
    Alimohammad Beiranvand, Ramin Kazemi, Akram Kohansal, Farshin Hormozinejad, Mohammad Reza Ghalani
    Opsearch, 2025
  2. "Family of Kumaraswamy generalized distribution in estimation of multi-component reliability under the adaptive hybrid progressive censoring schemes"
    Akram Kohansal, Carlos J Perez-Gonzalez, Arturo J Fernandez
    Quality Technology and Quantitative Management, Vol. 22, pp.280-320, 2025
  3. "Cox proportional hazards model with Bayesian neural network for survival prediction"
    Fojan Faghiri, Akram Kohansal
    Scientific Reports, Vol. 15, pp.1-16, 2025
  4. "Reliability inference for multi-component stress-strength systems with heterogeneous Lomax-distributed components under progressive censoring"
    Akram Kohansal, Hassan S. Bakouch, Reza Pakyari
    Scientific Reports, Vol. 15, pp.1-17, 2025
  5. "STRESS-STRENGTH MODEL OF m-COMPONENTS SYSTEM IN CENSORED DATA"
    Akram Kohansal
    TWMS Journal of Applied and Engineering Mathematics, Vol. 15, pp.924-940, 2025
  6. "Determining Optimum Maximum Superelevation for Highway Geometric Design Based on Side Friction Factor and Lateral Acceleration in Horizontal Curves"
    Reza Parsa, Ali Abdi Kordani, Akram Kohansal, Hossein Saedi
    advances in civil engineering, Vol. 2025, pp.1-14, 2025
  7. "BAYESIAN INFERENCE ON RELIABILITY PARAMETER WITH NON-IDENTICAL-COMPONENT STRENGTHS FOR RAYLEIGH DISTRIBUTION"
    Akram Kohansal
    Journal of Mahani Mathematical Research (JMMR), Vol. 13, pp.33-52, 2024
  8. "Stress-strength reliability of a non-identical-component-strengths system under the progressive censoring sample from the two parameter Rayleigh distribution"
    Akram Kohansal, Zeinab Davoodi
    Journal of Statistical Modelling: Theory and Applications, Vol. 5, pp.65-93, 2024
  9. "Estimation and Prediction Under Different Schemes for a Flexible Symmetric Distribution With Applications"
    Christophe Chesneau, Reza Pakyari, Akram Kohansal, Hasan Bakouch
    Journal of Mathematics, Vol. 2024, pp.1-18, 2024
  10. "m-Component Reliability Model in Bayesian Inference on Modified Weibull Distribution"
    Akram Kohansal
    International Journal of Reliability, Risk and Safety: Theory and Application, Vol. 7, pp.19-29, 2024
  11. "Estimation and prediction on power Muth distribution with progressive censored data: a Bayesian approach"
    Akram Kohansal, Hassan S. Bakouch
    COMMUNICATIONS IN STATISTICS-SIMULATION AND COMPUTATION, Vol. 53, pp.2150-2172, 2024
  12. "On the variable sum exdeg index of random tree structures"
    Alimohammad Beiranvand, Ramin Kazemi, Akram Kohansal, Farshin Hormozinejad, Mohammad Reza Ghalani
    Filomat, Vol. 38, pp.3085-3092, 2024
  13. "Inference on the stress-strength reliability of multi-component systems based on progressive first failure censored samples"
    Akram Kohansal, Carlos J Pérez-Gonzalez, Arturo J Fernandez
    Proceedings of the Institution of Mechanical Engineers Part O-Journal of Risk and Reliability, Vol. 238, pp.905-919, 2024
  14. "Adaptive hybrid progressive censoring in m-component reliability model and generalized inverse Weibull distribution"
    Akram Kohansal
    jordan journal of mathematics and statistics, 2024
  15. "Rayleigh distribution in multicomponent reliability model"
    Niloofar Aslfallah, Akram Kohansal, Ramin Kazemi
    Statistics, Optimization and Information Computing, 2023
  16. "Evaluation of Single Lane Parallel-Type Entrance Ramp Terminal Using Vehicle Dynamics Model for Freeways"
    Niusha Saremi, Ali Abdi Kordani, Mohammad Zarei, Akram Kohansal
    Architecture Civil Engineering Environment, Vol. 16 (2023), pp.85-100, 2023
  17. "Estimations of the parameters for modified Weibull distribution under adaptive Type-II progressive censored samples"
    Akram Kohansal, Hasan Haji
    Journal of Statistical Modelling: Theory and Applications, Vol. 4, pp.75-93, 2023
  18. "Multi-component reliability inference in modified Weibull extension distribution and progressive censoring scheme"
    Akram Kohansal, Carlos J. Pérez-Gonz?lez, Arturo J. Fern?ndez
    Bulletin of the Malaysian Mathematical Sciences Society, Vol. 46, pp.1-35, 2023
  19. "Estimation of multi-component reliability parameter in a non-identical-component strengths system under dependency of stress and strength components"
    Akram Kohansal
    International Journal of Mathematical Modelling & Computations (IJM2C), Vol. 13, pp.1-17, 2023
  20. "Multi-component stress-strength model for Weibull distribution in progressively censored samples"
    Akram Kohansal, Shirin Shoaee, Saralees Nadarajah
    Statistics & Risk Modeling, Vol. 39, pp.1-21, 2022
  21. "Estimating the stress-strength parameter in multi-component systems based on adaptive hybrid progressive censoring"
    Akram Kohansal, Shirin Shoaee, Z. Raqab Mohammad
    International Journal of Industrial and Systems Engineering, Vol. 41, pp.363-403, 2022
  22. "INFERENCE ON STRESS-STRENGTH MODEL FOR A KUMARASWAMY DISTRIBUTION BASED ON HYBRID PROGRESSIVE CENSORED SAMPLE"
    Akram Kohansal
    REVSTAT-Statistical Journal, Vol. 20, pp.51-83, 2022
  23. "Estimation procedures for Kumaraswamy distribution parameters under adaptive type-II hybrid progressive censoring"
    Akram Kohansal, Hassan. S Bakouch
    COMMUNICATIONS IN STATISTICS-SIMULATION AND COMPUTATION, Vol. 50, pp.4059-4078, 2021
  24. "Multi-component stress-strength parameter estimation of a non-identical-component strengths system under the adaptive hybrid progressive censoring samples"
    Akram Kohansal, Arturo J. Fernandez, Carlos J. Perez-Gonzalez
    STATISTICS, Vol. 55, pp.925-962, 2021
  25. "Stress-Strength Parameter Estimation Based on Type-II Progressive Censored Samples for a Weibull-Half-Logistic Distribution"
    Ramin Kazemi, Akram Kohansal
    Bulletin of the Malaysian Mathematical Sciences Society, Vol. 44, pp.2531-2566, 2021
  26. "A New Flexible Stress-Strength Model"
    alimohammad beiranvand, Ramin Kazemi, Akram Kohansal, Farshin Hormozinejad
    Statistics, Optimization and Information Computing, Vol. 10, pp.1072-1094, 2021
  27. "Inference on a Four-parameter Generalized Weighted Exponential Distribution"
    Ramin Kazemi, Akram Kohansal, Afshin Fallah, Fariba Nasiri
    Filomat, Vol. 35, pp.827-844, 2021
  28. "Bayesian and classical estimation of reliability in a multicomponent stress-strength model under adaptive hybrid progressive censored data"
    Akram Kohansal, Shirin Shoaee
    STATISTICAL PAPERS, Vol. 62, pp.309-359, 2021
  29. "The Zagreb Index of Bucket Recursive Trees"
    Ramin Kazemi, Ali Behtoei, Akram Kohansal
    Mathematics Interdisciplinary Research, Vol. 5, pp.103-111, 2020
  30. "Efficient truncated repetitive lot inspection using Poisson defect counts and prior information"
    Carlos J. Pérez-Gonz?lez, Arturo J. Fern?ndez, Akram Kohansal
    EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, Vol. 287, pp.964-974, 2020
  31. "Bayesian and classical estimation of R=P(X
    Akram Kohansal
    COMMUNICATIONS IN STATISTICS-THEORY AND METHODS, Vol. 49, pp.1043-1081, 2020
  32. "Inference of R = P(Y < X) for two-parameter Rayleigh distribution based on progressively censored samples"
    Akram Kohansal, Saied Rezakhah
    STATISTICS, Vol. 53, pp.81-100, 2019
  33. "On estimation of reliability in a multicomponent stress- strength model for a Kumaraswamy distribution based on progressively censored sample"
    Akram Kohansal
    STATISTICAL PAPERS, Vol. 60, pp.2185-2224, 2019
  34. "Probabilistic properties of F-indices of trees"
    Hadis Morovati, Ramin Kazemi, Akram Kohansal
    Mathematics Interdisciplinary Research, Vol. 2, pp.253-261, 2019
  35. "Stress-Strength Parameter Estimation Based on Type-II Hybrid Progressive Censored Samples for a Kumaraswamy Distribution"
    Akram Kohansal, Saraless Nadarajah
    IEEE TRANSACTIONS ON RELIABILITY, Vol. 68, pp.1296-1310, 2019
  36. "Improved time-censored reliability test plans for k-out-of-n gamma systems"
    Arturo J. Fernandez, Carlos J. Pérez-Gonzalez, Akram Kohansal
    JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, Vol. 361, pp.42-54, 2019
  37. "Optimal truncated repetitive lot inspection with defect rates"
    Carlos J. Pérez-Gonzelez, Arturo J. Fernendez, Akram Kohansal, Akbar Asgharzadeh
    APPLIED MATHEMATICAL MODELLING, Vol. 75, pp.223-235, 2019
  38. "Estimation of Reliability of Stress-strength for a Kumaraswamy Distribution based on Progressively Censored Sample"
    Akram Kohansal, Ramin Kazemi
    Journal of Statistical Research of Iran, Vol. 16, pp.165-209, 2019
  39. "MMSE and MAP estimators for speech enhancement in additive noise assuming a t-location-scale clean speech prior"
    Neda Faraji Yamchelo, Akram Kohansal
    IET Signal Processing, Vol. 12, pp.532-543, 2018
  40. "LARGE Estimation of the stress-strength reliability of progressively censored inverted exponentiated Rayleigh distributions"
    Akram Kohansal
    Journal of Applied Mathematics Statistics and Informatics, Vol. 13, pp.49-76, 2017
  41. "Fitting Skew Distributions to Iranian Auto Insurance Claim Data"
    Ramin Kazemi, Abdoolah Jalilian, Akram Kohansal
    Applications and Applied Mathematics-An International Journal, Vol. 12, pp.790-802, 2017
  42. "Statistical Analysis of Two-Parameter BathtubShaped Lifetime Distribution under Progressive Censoring with Binomial Removals"
    Akram Kohansal
    Gazi University Journal of Science, Vol. 4, pp.783-792, 2016
  43. "Modified entropy estimators for testing normality"
    Akram Kohansal, Saeid Rezakhah
    JOURNAL OF STATISTICAL COMPUTATION AND SIMULATION, Vol. 86, pp.553-568, 2015
  44. "Two new estimators of entropy for testing normality"
    Akram Kohansal, Saeid Rezakhah
    COMMUNICATIONS IN STATISTICS-THEORY AND METHODS, Vol. 45, pp.5392-5411, 2015
  45. "Parameter Estimation of Type-II Hybrid Censored Weighted Exponential Distribution"
    Akram Kohansal, S. Rezakhah, E. Khorram
    COMMUNICATIONS IN STATISTICS-SIMULATION AND COMPUTATION, Vol. 44, pp.1273-1299, 2014
  46. "Carl Friedrich Gauss and the Gauss Society: A Brief Overview"
    Akram Kohansal
    فرهنگ و اندیشه ریاضی, Vol. 43, pp.293-302, 2024
  47. "ارزیابی میزان رضایت بیمه گذاران از پرداخت خسارت در بیمه های درمان تکمیلی"
    Akram Kohansal, Mitra Ghanbarzadeh
    مطالعات مدیریت راهبردی, Vol. 15, pp.97-115, 2024
  48. "Statistical inference on multi-component stress-strength parameter in three parameter Weibull distribution"
    Atefeh Karam, Akram Kohansal
    اندیشه آماری, Vol. 28, pp.113-124, 2023
  49. "توزیع وایبول-وایبول: برآورد پارامترها تحت سانسور فزاینده پیوندی سازوار نوع 2 و پیش بینی واحدهای سانسور شده"
    Alimohammad Beiranvan, Akram Kohansal, Ramin Kazemi, Farshin Hormozinejad
    پژوهش های نوین در ریاضی (علوم پایه سابق), Vol. 9, pp.45-70, 2023
  50. "Bayesian Estimation of Multi-Component Reliability Parameter Under Adaptive Hybrid Progressive Censoring"
    Fateme Mirsadoghi, Akram Kohansal
    علوم آماری (ایران), Vol. 17, pp.433-458, 2023
  51. "Parameter estimation of two-parameter Rayleigh distribution under progressive censoring with binomial removals"
    Niloofar Aslfallah, Akram Kohansal, Ramin Kazemi
    پژوهش های نوین در ریاضی (علوم پایه سابق), Vol. 7, pp.53-64, 2021
  52. "استنباط بیزی پارامتر قابلیت اطمینان در توزیع رایلی دو پارامتری تحت نمونه های سانسور فزاینده پیوندی"
    Akram Kohansal, Shirin Shoaee
    مهندسی و مدیریت کیفیت, Vol. 10, pp.159-168, 2021
  53. "برآورد پارامتر قابلیت اعتماد برای توزیع نمایی وارون تعمیم یافته براساس نمونه های سانسور فزاینده نوع 2"
    Akram Kohansal, Ramin Kazemi, Neda Faraji Yamchelo
    مهندسی و مدیریت کیفیت, Vol. 10, pp.60-74, 2020
  54. "Bayesian Estimation of Stress-Strength Parameter under Progressive Hybrid Censored Sample in Lomax Distribution"
    Akram Kohansal, Nafiseh Alemohammad, Fatemeh Azizzadeh
    علوم آماری (ایران), Vol. 14, pp.505-534, 2020

Conference Paper

  1. "Bayesian Inference of Rs;k under Adaptive Hybrid Progressive Censored Samples"
    Akram Kohansal
    چهاردهمین سمینار ملی احتمال و فرایندهای تصادفی کد اختصاصی/02221-67920, pp.1-8, 2023
  2. "تحلیل قابلیت اطمینان چند مولفه ای در توزیع های کوماراسوامی بهبود یافته"
    Aynaz Parfalak, Akram Kohansal
    نهمین سمینار ملی تخصصی نظریه قابلیت اعتماد و کاربردهای آن/ کد اختصاصی: 02230-88776, pp.27-34, 2023
  3. "مطالعه ای بر نظریه ی قابلیت اعتماد در خانواده توزیع طول عمر پواسون تعمیم یافته"
    Fateme sadat Mirsadooghi, Akram Kohansal
    هشتمین سمینار ملی تخصصی نظریه قابلیت اعتماد و کاربردهای آن کد اختصاصی:01220-89618, pp.198-211, 2022
  4. "ستنباط آماری پارامتر تنش-مقاومت چند مولفه ای در توزیع وایبول سه پارامتری"
    Atefeh Karam, Akram Kohansal
    7th Seminar on Reliability Theory and its Applications, pp.1-8, 2021
  5. "برآورد پارامتر قابلیت اعتماد در توزیع وایبول اصلاح شده براساس نمونه های سانسور فزاینده"
    Fatemeh Khodadadi nejad, Akram Kohansal
    7th Seminar on Reliability Theory and its Applications, pp.1-9, 2021
  6. "Bayesian Inference of Mortality Models in Joint Life Insurance Products"
    Shirin Shoaee, Akram Kohansal
    51 st Annual Iranian Mathematics Conference, pp.1197-1201, 2021
  7. "استنباط آماری پارامتر تنش-مقاومت چند مولفه ای در توزیع رایلی دو مولفه ای تحت سانسور فزاینده نوع دوم"
    Niloofar Aslfallah, Akram Kohansal
    پانزدهمین کنفرانس ملی آمار ایران- کد اختصاصی:39281-99200, pp.35-43, 2020
  8. "Stress-Strength Model with Type-II Hybrid Progressive Under Rayleigh Distribution: A Bayesian Approach"
    Akram Kohansal
    پانزدهمین کنفرانس ملی آمار ایران- کد اختصاصی:39281-99200, pp.227-235, 2020
  9. "Bayesian Analysis for the Parameters of Mortality Rate in the Models of Dependent Lives"
    Shirin Shoaee, Akram Kohansal
    ششمین سمینار ملی نظریه قابلیت اعتماد و کاربردهای آن- کد اختصاصی: 49551-99191, 2020
  10. "Inference on Multicomponent Stress-Strength Parameter in Lomax Distribution"
    نقیب اله صادقی, Akram Kohansal
    ششمین سمینار ملی نظریه قابلیت اعتماد و کاربردهای آن-کد اختصاصی: 49551-99191, 2020
  11. "Statistical Bayesian Inference on the Reliability Parameter Under Adaptive Type-II Hybrid Progressive Censoring Samples for Burr Type XII Distribution"
    Akram Kohansal, Shirin Shoaee
    ششمین سمینار ملی نظریه قابلیت اعتماد و کاربردهای آن- کد اختصاصی 49551-99191, 2020
  12. "Multicomponent Reliability Parameter in Burr Distribution under Progressive Censoring Samples: A Bayesian Approach"
    Akram Kohansal, Shirin Shoaee
    دومین همایش ملی ریاضی و آمار- کد اختصاصی: 77670-98190, 2020
  13. "Statistical Analysis of Longevity Based on the Dependent Lives Models"
    Shirin Shoaee, Akram Kohansal
    دومین همایش ملی ریاضی و آمار-کد اختصاصی: 77676-98190, 2020
  14. "Classical Inference with Adaptive Progressive Censoring on Kumaraswamy Distribution"
    Akram Kohansal, Shirin Shoaee
    دومین همایش ملی ریاضی و آمار- کد اختصاصی: 77676-98190, 2020
  15. "Bayesian estimation of R = P(X < Y ) for Kumaraswamy distribution based on hybrid progressive censored samples"
    Akram Kohansal
    چهل و نهمین کنفرانس ریاضی کشور - کد اختصاصی همایش: 41105-97180, pp.2613-2621, 2019
  16. "Bayesian Inference on Stress-Strength Parameter in Burr type XII Distribution under Hybrid Progressive Censoring Samples"
    Akram Kohansal
    پنجمین سمینار تخصصی نظریه قابلیت اعتماد و کاربردهای آن - کد اختصاصی همایش: 23106-98181, pp.220-231, 2019
  17. "BAYESIAN INFERENCE FOR R P(X Y ) UNDER ADAPTIVE TYPE-II HYBRID PROGRESSIVE CENSORED SAMPLES IN GENERALIZED INVERTED EXPONENTIAL DISTRIBUTION"
    Akram Kohansal
    چهارمین سمینار تخصصی نظریه قابلیت اعتماد و کاربردهای آن, pp.1-10, 2018
  18. "Estimation of stress-strength parameter based on progressive censored samples for the inverted exponentiated Rayleigh distribution"
    Akram Kohansal
    یازدهمین سمینار ملی احتمال و فرآیندهای تصادفی - کد اختصاصی همایش: 53005-96170, pp.210-221, 2017