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Mathematics

D-Index
37
Citations
4641
World Ranking
2540
National Ranking
1052

Overview

Subhash C. Kochar is affiliated with Portland State University in the United States and conducts research primarily in the fields of Mathematics and Decision Sciences. Their work focuses extensively on topics within statistics and probability, particularly in areas such as statistical distribution estimation, probability and risk models, Bayesian methods, and reliability optimization.

Their scholarly output includes contributions to journals and archives in applied probability and statistical sciences. Notable recent papers by Kochar include:

  • Some new results on stochastic comparisons of coherent systems using signatures, 2020, Journal of Applied Probability
  • Dependence comparisons of order statistics in the proportional hazards model, 2022, Probability in the Engineering and Informational Sciences
  • Dependence comparisons of order statistics in the proportional hazards model, 2022, arXiv (Cornell University)
  • Dependence among order statistics for time-transformed exponential models, 2023, Probability in the Engineering and Informational Sciences

Kochar's research spans a variety of topics that include:

  • Statistical Distribution Estimation and Applications
  • Probability and Risk Models
  • Statistical Methods and Bayesian Inference
  • Bayesian Methods and Mixture Models
  • Probabilistic and Robust Engineering Design
  • Reliability and Maintenance Optimization

The subfields related to their research activity include:

  • Statistics and Probability
  • Management Science and Operations Research
  • Artificial Intelligence
  • Statistics, Probability and Uncertainty
  • Safety, Risk, Reliability and Quality

Kochar frequently publishes in the following venues:

  • Probability in the Engineering and Informational Sciences
  • Journal of Applied Probability
  • arXiv (Cornell University)

Collaborations are part of their research profile, with co-authorship involving individuals such as Ebrahim Amini-Seresht, Baha-Eldin Khaledi, and Fabio Spizzichino.

Best Publications

  • The signature of a coherent system and its application to comparisons among systems

    Subhash Kochar;Hari Mukerjee;Francisco J. Samaniego

  • Aspects of positive ageing

    Jayant V. Deshpande;Subhash C. Kochar;Harshinder Singh

  • Stochastic comparisons of parallel systems of heterogeneous exponential components

    Richard Dykstra;Subhash Kochar;Javier Rojo

  • SOME NEW RESULTS ON STOCHASTIC COMPARISONS OF PARALLEL SYSTEMS

    Baha-Eldin Khaledi;Subhash Kochar

  • Partial orderings of distributions based on right-spread functions

    J. M. Fernandez-Ponce;S. C. Kochar;J. Muñoz-Perez

  • On tail-ordering and comparison of failure rates

    Isha Bagai;Subhash C. Kochar

  • The Total Time on Test Transform and the Excess Wealth Stochastic Orders of Distributions

    Subhash C. Kochar;Xiaohu Li;Moshe Shaked

  • Stochastic comparisons of parallel systems when components have proportional hazard rates

    Subhash Kochar;Maochao Xu

  • Partial orderings of life distributions with respect to their aging properties

    Subhash C. Kochar;Douglas P. Wiens

  • Some Tests for Comparing Cumulative Incidence Functions and Cause-Specific Hazard Rates

    Emad-Eldin A. A. Aly;Subhash C. Kochar;Ian W. McKeague

  • Some New Results on Stochastic Comparisons of Spacings from Heterogeneous Exponential Distributions

    Subhash Kochar;Javier Rojo

  • Inference for Likelihood Ratio Ordering in the Two-Sample Problem

    Richard Dykstra;Subhash Kochar;Tim Robertson

  • Statistical Inference for Uniform Stochastic Ordering in Several Populations

    Richard Dykstra;Subhash Kochar;Tim Robertson

  • Stochastic comparisons of order statistics in the scale model

    Baha-Eldin Khaledi;Sepideh Farsinezhad;Subhash C. Kochar

  • Weibull distribution: Some stochastic comparisons results

    Baha-Eldin Khaledi;Subhash Kochar

  • Stochastic Orders for Spacings of Heterogeneous Exponential Random Variables

    Subhash C Kochar;Ramesh Korwar

  • A general composition theorem and its applications to certain partial orderings of distributions

    Kumar Joag-dev;Subhash Kochar;Frank Proschan

  • On the dependence structure of order statistics

    Jean Avérous;Christian Genest;Subhash C. Kochar

  • Stochastic Order Relations Among Parallel Systems from Weibull Distributions

    Nuria Torrado;Subhash C. Kochar

  • Bivariate Dependence Properties of Order Statistics

    Philip J. Boland;Myles Hollander;Kumar Joag-Dev;Subhash Kochar

Frequent Co-Authors

Christian Genest
Christian Genest McGill University
Paul S. F. Yip
Paul S. F. Yip University of Hong Kong
Myles Hollander
Myles Hollander Florida State University
Moshe Shaked
Moshe Shaked University of Arizona
Frank Proschan
Frank Proschan Florida State University

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