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Ahmed, Syed Ejaz

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Author ID: ahmed.syed-ejaz Recent zbMATH articles by "Ahmed, Syed Ejaz"
Published as: Ahmed, E.; Ahmed, Ejaz; Ahmed, S. E.; Ahmed, S. Ejaz; Ahmed, S. Ejaz.; Ahmed, Syed E.; Ahmed, Syed Ejaz; Ejaz Ahmed, S.
Homepage: https://brocku.ca/mathematics-science/mathematics/directory/syed-ejaz-ahmed/
External Links: MGP · Wikidata · ResearchGate
Documents Indexed: 186 Publications since 1985, including 8 Books
all top 5

Co-Authors

23 single-authored
11 Volodin, Andrei I.
10 Hossain, Shakhawat
8 Lisawadi, Supranee
7 Saleh, A. K. Md. Ehsanes
6 Doksum, Kjell A.
6 Hussein, Abdulkadir A.
6 Yüzbasi, Bahadir
5 Al-Kandari, Noriah M. A.
5 Buhamra, Sana S.
4 Khan, Sohail Munawar
3 Ahsanullah, Mohammad
3 Al-Momani, Marwan A.
3 Chitsaz, Shabnam
3 Gao, Xiaoli
3 Li, Deli
3 Mahdi, T. N.
3 Muttlak, Hassen A.
3 Nkurunziza, Sévérien
3 Rosalsky, Andrew
3 Shah, Muhammad Kashif Ali
3 Volodin, Igor N.
2 An, Lihua
2 Arashi, Mohammad
2 Aydin, Dursun
2 Balakrishnan, Narayanaswamy
2 Enayetur Raheem, S. M.
2 Fallahpour, Saber
2 Feng, Yang
2 Gupta, Arjun Kumar
2 Joarder, Anwar H.
2 Joarder, Anwarul H.
2 Khan, B. U.
2 Kulperger, Reg J.
2 Liu, Shuangzhe
2 Ma, Shuangge
2 Malik, Henrick John
2 Nicol, Christopher J.
2 Norouzirad, Mina
2 Reangsephet, Orawan
2 Ullah, Bashir
2 ZafarYab, Muhammad
2 Zahra, Nighat
1 Ahmad, Muhammad Rauf
1 Almutawa, Jaafar
1 Aslam, Mohammad
1 Badahdah, S. O.
1 Baklizi, Ayman S.
1 Basu, Amiya K.
1 Bhatti, Saleem
1 Bhoj, Dinesh S.
1 Budsaba, Kamon
1 Burney, S. A.
1 Burney, S. M. Aqil
1 Carvalho, Francisco P.
1 Chen, Baojiang
1 Claeskens, Gerda
1 Es-Sebaiy, Khalifa
1 Gel, Yulia R.
1 Giuliano Antonini, Rita
1 Goria, Mohammed N.
1 Gungor, Mehmet Ali
1 Hanif, Muhammad Fainan
1 Henery, Robert J.
1 Hong, Hyokyoung Grace
1 Howlader, Hatem A.
1 Hu, Jianhua
1 Hu, Tianchen
1 Huang, Yuan
1 Hunter, Jeffrey J.
1 Kareev, Iskander
1 Kattan, Abdul Kadir A.
1 Khurshid, Anwer
1 Kim, Hwanwoo
1 Krzanowski, Wojtek Janusz
1 Li, Yanming
1 Li, Yi
1 Liu, Fuxiang
1 Lyubchich, Vyacheslav
1 Ma, Tiefeng
1 Maqsood, Arfa
1 Markiewilcz, Augustyn
1 Mexia, João Tiago Praça Nunes
1 Nguyen, Ngoc Khanh
1 Nkurunzizal, Sévérien
1 Omar, M. Hafidz
1 Ouassou, Idir
1 Puntanen, Simo
1 Rahbar, Mohammad Hossein
1 Reid, Nancy M.
1 Rohatgi, Vijay K.
1 Sadeghkhani, Abdolnasser
1 Safdar, Suboohi
1 Saheh, M.
1 Sen, Pranab Kumar
1 Shimodaira, Hidetoshi
1 Siddique, J. S.
1 Siddiqui, Asim Jamal
1 Sinha, Bimal Kumar
1 Snowdon, Anne
1 Styan, George P. H.
...and 15 more Co-Authors
all top 5

Serials

20 Journal of Statistical Computation and Simulation
11 Communications in Statistics. Theory and Methods
9 Computational Statistics and Data Analysis
8 Pakistan Journal of Statistics
6 Metrika
6 Applied Stochastic Models in Business and Industry
5 Statistics & Probability Letters
5 Linear Algebra and its Applications
4 Biometrical Journal
4 Journal of Statistical Planning and Inference
4 Journal of Nonparametric Statistics
4 Thailand Statistician
3 Communications in Statistics. Simulation and Computation
3 Lobachevskii Journal of Mathematics
2 Karachi University Journal of Science
2 Industrial Mathematics
2 Sankhyā. Series B. Methodological
2 Soochow Journal of Mathematics
2 Journal of the Japan Statistical Society
2 Stochastic Analysis and Applications
2 Statistics
2 Statistical Papers
2 Journal of Applied Statistical Science
2 Australian & New Zealand Journal of Statistics
2 Contributions to Statistics
1 Theory of Probability and its Applications
1 Annals of the Institute of Statistical Mathematics
1 International Journal of Mathematics and Mathematical Sciences
1 Journal of Multivariate Analysis
1 Statistica
1 Statistica Neerlandica
1 Revista Colombiana de Estadística
1 American Journal of Mathematical and Management Sciences
1 Computational Statistics
1 Bulletin of the Institute of Mathematics. Academia Sinica
1 Far East Journal of Theoretical Statistics
1 Journal of Applied Statistics
1 Calcutta Statistical Association Bulletin
1 International Mathematical Journal
1 Advances and Applications in Statistics
1 REVSTAT
1 Statistical Methodology
1 Contemporary Mathematics
1 Lecture Notes in Statistics
1 Journal of Statistical Theory and Practice
1 Journal of the Iranian Statistical Society JIRSS
1 SpringerBriefs in Statistics

Publications by Year

Citations contained in zbMATH

92 Publications have been cited 700 times in 488 Documents Cited by Year
Equilibrium points, stability and numerical solutions of fractional-order predator-prey and rabies models. Zbl 1105.65122
Ahmed, E.; El-Sayed, A. M. A.; El-Saka, H. A. A.
163
2007
On some Routh-Hurwitz conditions for fractional order differential equations and their applications in Lorenz, Rössler, Chua and Chen systems. Zbl 1142.30303
Ahmed, E.; El-Sayed, A. M. A.; El-Saka, Hala A. A.
80
2006
Shrinkage, pretest and absolute penalty estimators in partially linear models. Zbl 1158.62029
Ejaz Ahmed, S.; Doksum, Kjell A.; Hossain, S.; You, Jinhong
30
2007
On stability, persistence, and Hopf bifurcation in fractional order dynamical systems. Zbl 1175.37084
El-Saka, H. A.; Ahmed, E.; Shehata, M. I.; El-Sayed, A. M. A.
25
2009
Recurrence relations and identities for moments of order statistics, II: Specific continuous distributions. Zbl 0696.62028
Balakrishnan, N.; Malik, Henrick J.; Ahmed, S. E.
22
1988
Recurrence relations and identities for moments of order statistics, I: Arbitrary continuous distribution. Zbl 0696.62221
Malik, Henrick J.; Balakrishnan, N.; Ahmed, S. E.
16
1988
Risk comparison of some shrinkage M-estimators in linear models. Zbl 1106.62071
Ahmed, S. E.; Hussein, A. A.; Sen, P. K.
14
2006
On the rate of complete convergence for weighted sums of arrays of Banach space valued random elements with application to moving average processes. Zbl 1017.60013
Ahmed, S. Ejaz; Giuliano Antonini, Rita; Volodin, Andrei
14
2002
High order approximation for the coverage probability by a confident set centered at the positive-part James-Stein estimator. Zbl 1169.62007
Ahmed, S. Ejaz; Volodin, Andrei I.; Volodin, Igor N.
11
2009
Positive shrinkage, improved pretest and absolute penalty estimators in partially linear models. Zbl 1160.62066
Hossain, S.; Doksum, Kjell A.; Ahmed, S. Ejaz
11
2009
Numerical solution for the fractional replicator equation. Zbl 1080.65536
Ahmed, E.; El-Sayed, A. M. A.; El-Mesiry, A. E. M.; El-Saka, H. A. A.
11
2005
Estimation strategies for the intercept vector in a simple linear multivariate normal regression model. Zbl 0825.62570
Ahmed, S. E.; Saleh, A. K. Md. E.
11
1990
Shrinkage drift parameter estimation for multi-factor Ornstein-Uhlenbeck processes. Zbl 1224.91173
Nkurunziza, Sévérien; Ahmed, S. Ejaz
10
2010
Biased estimation in a simple multivariate regression model. Zbl 1429.62183
Ahmed, S. E.; Krzanowski, W. J.
10
2004
Absolute penalty and shrinkage estimation in partially linear models. Zbl 1243.62058
Raheem, S. M. Enayetur; Ahmed, S. Ejaz; Doksum, Kjell A.
9
2012
On modified Black-Scholes equation. Zbl 1071.91018
Ahmed, E.; Abdusalam, H. A.
9
2004
Improved nonparametric estimation of location vectors in multivariate regression models. Zbl 0954.62046
Ahmed, S. E.; Saleh, A. K. Md. E.
9
1999
Penalty, shrinkage and pretest strategies. Variable selection and estimation. Zbl 1306.62002
Ahmed, S. Ejaz
8
2014
LASSO and shrinkage estimation in Weibull censored regression models. Zbl 1242.62075
Ahmed, S. Ejaz; Hossain, Shakhawat; Doksum, Kjell A.
8
2012
Improving the performance of kurtosis estimator. Zbl 05564662
An, Lihua; Ahmed, S. Ejaz
8
2008
Asymptotic expansion of the coverage probability of James-Stein estimators. Zbl 1127.62014
Ahmed, S. E.; Saleh, A. K. Md. E.; Volodin, A. I.; Volodin, I. N.
8
2007
Improved estimation of coefficient vector in a regression model. Zbl 1081.62533
Khan, B. U.; Ahmed, S. E.
8
2003
Almost sure lim sup behavior of bootstrapped means with applications to pairwise i. i. d. sequences and stationary ergodic sequences. Zbl 0977.62051
Ahmed, S. E.; Li, Deli; Rosalsky, Andrew; Volodin, Andrei I.
8
2001
Pooling multivariate data. Zbl 0726.62070
Ahmed, S. E.; Saleh, A. K. Md. E.
8
1989
Robust inference strategy in the presence of measurement error. Zbl 1185.62099
Ahmed, S. Ejaz; Hussein, Abdulkadir; Nkurunziza, Sévérien
7
2010
Simultaneous estimation of coefficients of variation. Zbl 1011.62026
Ahmed, S. E.
7
2002
\(L_{1}\) penalty and shrinkage estimation in partially linear models with random coefficient autoregressive errors. Zbl 06292438
Fallahpour, Saber; Ahmed, S. Ejaz; Doksum, Kjell A.
6
2012
Estimation of parameters in the growth curve model via an outer product least squares approach for covariance. Zbl 1238.62066
Hu, Jianhua; Liu, Fuxiang; Ahmed, S. Ejaz
6
2012
Parametric estimation for the Birnbaum-Saunders lifetime distribution based on a new parametrization. Zbl 1361.62012
Ahmed, Syed E.; Budsaba, Kamon; Lisawadi, Supranee; Volodin, Andrei
6
2008
Assessing the process capability index for non-normal processes. Zbl 1058.62113
Ahmed, S. E.
6
2005
Inference concerning quantile for left truncated and right censored data. Zbl 1429.62439
BuHamra, Sana S.; Al-Kandari, Noriah M.; Ahmed, S. E.
6
2004
Complete convergence of bootstrapped means and moments of the supremum of normed bootstrapped sums. Zbl 1069.62528
Li, Deli; Rosalsky, Andrew; Ahmed, S. E.
6
1999
A pooling methodology for coefficient of variation. Zbl 0856.62033
Ahmed, S. E.
6
1995
Post selection shrinkage estimation for high-dimensional data analysis. Zbl 1411.62200
Gao, Xiaoli; Ahmed, S. E.; Feng, Yang
5
2017
Shrinkage, pretest, and penalty estimators in generalized linear models. Zbl 07035611
Hossain, Shakhawat; Ahmed, S. Ejaz; Doksum, Kjell A.
5
2015
Dynamic properties of the fractional-order logistic equation of complex variables. Zbl 1246.37074
El-Sayed, A. M. A.; Ahmed, E.; El-Saka, H. A. A.
5
2012
Estimation of regression coefficients in an exponential regression model with censored observations. Zbl 0934.62103
Ahmed, S. E.; Saleh, A. K. Md. E.
5
1999
Improved biased estimation in an ANOVA model. Zbl 0930.62069
Ahmed, S. E.; Ullah, Bashir
5
1999
Estimation of the scale matrix of a class of elliptical distributions. Zbl 0990.62046
Joarder, A. H.; Ahmed, S. E.
5
1998
A bootstrap theorem for a preliminary test estimator. Zbl 0774.62029
Kulperger, R. J.; Ahmed, S. E.
5
1992
Shrinkage and pretest estimators for longitudinal data analysis under partially linear models. Zbl 1407.62136
Hossain, S.; Ahmed, S. Ejaz; Yi, Grace Y.; Chen, B.
4
2016
Simultaneous estimation of several intraclass correlation coefficients. Zbl 1027.62037
Ahmed, S. E.; Gupta, A. K.; Khan, S. M.; Nicol, C. J.
4
2001
Least squares, preliminary test and Stein-type estimation in general vector \(AR(p)\) models. Zbl 0957.62072
Ahmed, S. E.; Basu, A. K.
4
2000
Estimation of the characteristic roots of the scale matrix. Zbl 0864.62038
Joarder, Anwarul H.; Ahmed, S. E.
4
1996
Improved estimation in a multivariate regression model. Zbl 0937.62596
Ahmed, S. Ejaz
4
1994
Big and complex data analysis. Methodologies and applications. Zbl 1392.62007
Ahmed, S. Ejaz (ed.)
3
2017
Improved penalty strategies in linear regression models. Zbl 1369.62160
Yüzbasi, Bahadir; Ahmed, S. Ejaz; Güngör, Mehmet
3
2017
Shrinkage and penalty estimators of a Poisson regression model. Zbl 1334.62127
Hossain, Shakhawat; Ahmed, Ejaz
3
2012
Nonparametric inference strategies for the quantile functions under left truncation and right censoring. Zbl 1146.62024
Buhamra, Sana S.; Al-Kandari, Noriah M.; Ahmed, S. E.
3
2007
Comparisons of improved risk estimators of the multivariate mean vector. Zbl 1431.62283
Khan, B. U.; Ahmed, S. E.
3
2006
On the asymptotic probability for the deviations of dependent bootstrap means from the sample mean. Zbl 1078.60017
Ahmed, S. Ejaz; Li, Deli; Rosalsky, Andrew; Volodin, Andrei
3
2005
On multiobjective optimization in portfolio management. Zbl 1096.91020
Ahmed, E.; El-Alem, M.
3
2005
On inhomogeneous prey-predator model. Zbl 1056.92513
Ahmed, E.; Yassen, M. T.
3
2000
Shrinkage estimation of the proportion in randomized response. Zbl 0845.62008
Ahmed, S. E.; Rohatgi, V. K.
3
1996
Shrinkage estimation in linear mixed models for longitudinal data. Zbl 1408.62133
Hossain, Shakhawat; Thomson, Trevor; Ahmed, Ejaz
2
2018
Shrinkage estimation and variable selection in multiple regression models with random coefficient autoregressive errors. Zbl 1396.62169
Fallahpour, Saber; Ejaz Ahmed, S.
2
2014
Shrinkage estimation for the regression parameter matrix in multivariate regression model. Zbl 1431.62298
Chitsaz, Shabnam; Ahmed, S. Ejaz
2
2012
An application of shrinkage estimation to the nonlinear regression model. Zbl 1255.62203
Ahmed, S. Ejaz; Nicol, Christopher J.
2
2012
An improved estimation in regression parameter matrix in multivariate regression model. Zbl 1271.62116
Chitsaz, S.; Ahmed, S. Ejaz
2
2012
Positive-shrinkage and pretest estimation in multiple regression: a Monte Carlo study with applications. Zbl 1244.62103
Enayetur Raheem, S. M.; Ejaz Ahmed, S.
2
2011
On the estimation of reliabilty function in a Weibull lifetime distribution. Zbl 1274.62666
Baklizi, Ayman; Ahmed, S. E.
2
2008
Estimating and testing effect size from an arbitrary population. Zbl 1108.62020
Al-Kandari, Noriah M.; Buhamra, Sana S.; Ahmed, S. E.
2
2005
Immune-motivated optimization. Zbl 1065.90544
Ahmed, E.; El-Alem, M.
2
2002
On the rate of convergence of bootstrapped means in a Banach space. Zbl 0984.60016
Ejaz Ahmed, S.; Hu, T.-C.; Volodin, Andrei I.
2
2001
Modeling the failure of a fractal tree and Julia sets. Zbl 0955.37023
Abdusalam, H. A.; Ahmed, E.
2
2000
Pooling reliability functions. Zbl 0832.62086
Ahmed, S. E.
2
1994
On extensions of supersymmetry algebras in \(d=4\) and 11. Zbl 0573.53051
Ahmed, E.; Rands, B. L.; Taylor, J. G.
2
1985
Shrinkage estimation and selection for a logistic regression model. Zbl 1327.62421
Hossain, Shakhawat; Ahmed, S. Ejaz
1
2014
Shrinkage estimation for the mean of the inverse Gaussian population. Zbl 1304.62046
Ma, Tiefeng; Liu, Shuangzhe; Ahmed, S. Ejaz
1
2014
Penalized and shrinkage estimation in the Cox proportional hazards model. Zbl 06301872
Hossain, Shakhawat; Ahmed, S. Ejaz
1
2014
Stein-type estimation using ranked set sampling. Zbl 1431.62032
Ahmed, S. E.; Muttlak, H. A.; Al-Mutawa, J.; Saheh, M.
1
2012
Stabilizing the performance of kurtosis estimator of multivariate data. Zbl 1271.62114
Ahmed, S. Ejaz.; Omar, M. Hafidz; Joarder, Anwar H.
1
2012
Data-based adaptive estimation in an investment model. Zbl 1277.62247
Ahmed, S. Ejaz; Chitsaz, S.
1
2011
Shrinkage estimation in replicated median ranked set sampling. Zbl 1205.62034
Muttlak, H. A.; Ahmed, S. E.; Al-Momani, M.
1
2010
On fractional order quantum mechanics. Zbl 1394.81133
Shahin, A. M.; Ahmed, E.; Omar, Yassmin A.
1
2009
Asymptotic theory of simultaneous estimation of Poisson means. Zbl 1160.62019
Ejaz Ahmed, S.; Liu, Shuangzhe
1
2009
Empirical Bayes and likelihood inference. Workshop, Centre de Recherches Mathématiques, Montreal, Canada, November 1997. Zbl 0952.00035
Ahmed, S. Ejaz (ed.); Reid, Nancy (ed.)
1
2001
On the dynamics of some numerical methods. Zbl 0981.65142
Ahmed, E.; Hegazi, A. S.
1
2000
Shrinkage and pretest nonparametric estimation of regression parameters from censored data with multiple observations at each level of covariate. Zbl 0959.62037
Ahmed, S. E.; Rahbar, M. H.
1
2000
Fuzzy concepts in radiotherapy. Zbl 0956.92025
Hussein, M. L.; Ahmed, E.
1
2000
Stein-type shrinkage quantile estimation. Zbl 0964.62040
Ahmed, S. E.
1
2000
To pool or not to pool: The multivariate data. Zbl 0972.62032
Ahmed, S. E.; Ullah, Bashir
1
1999
Simultaneous estimation of survivor functions in exponential lifetime models. Zbl 0936.62109
Ahmed, S. E.
1
1999
Large-sample estimation strategies for eigenvalues of a Wishart matrix. Zbl 1093.62543
Ahmed, S. E.
1
1998
A Monte Carlo study of robustness of pretest and shrinkage estimators in pooling coefficients of variation. Zbl 0913.62016
Ahmed, S. E.; Bhoj, D. S.; Ahsanullah, M.
1
1998
Improved pretest nonparametric estimation in a multivariate regression model. Zbl 0949.62027
Ahmed, S. E.
1
1998
Improved prediction: Pooling two identical regression lines. Zbl 0901.62083
Mahdi, T. N.; Ahmed, S. E.; Ahsanullah, M.
1
1998
Asymptotic shrinkage estimation: The regression case. Zbl 0935.62026
Ahmed, S. E.
1
1997
On the application of fuzzy decision theory in chemotherapy. Zbl 0888.92020
Ahmed, E.; Hussein, M. L.
1
1997
On anyonic variables and fractional supersymmetry. Zbl 1022.81808
Ahmed, E.
1
1996
Improved shrinkage estimation of relative potency. Zbl 0837.62098
Ahmed, S. E.
1
1995
Estimation strategy using a preliminary test in some normal models. Zbl 0683.62004
Ahmed, S. E.; Saleh, A. K. Md. Ehsanes
1
1988
Shrinkage estimation in linear mixed models for longitudinal data. Zbl 1408.62133
Hossain, Shakhawat; Thomson, Trevor; Ahmed, Ejaz
2
2018
Post selection shrinkage estimation for high-dimensional data analysis. Zbl 1411.62200
Gao, Xiaoli; Ahmed, S. E.; Feng, Yang
5
2017
Big and complex data analysis. Methodologies and applications. Zbl 1392.62007
Ahmed, S. Ejaz (ed.)
3
2017
Improved penalty strategies in linear regression models. Zbl 1369.62160
Yüzbasi, Bahadir; Ahmed, S. Ejaz; Güngör, Mehmet
3
2017
Shrinkage and pretest estimators for longitudinal data analysis under partially linear models. Zbl 1407.62136
Hossain, S.; Ahmed, S. Ejaz; Yi, Grace Y.; Chen, B.
4
2016
Shrinkage, pretest, and penalty estimators in generalized linear models. Zbl 07035611
Hossain, Shakhawat; Ahmed, S. Ejaz; Doksum, Kjell A.
5
2015
Penalty, shrinkage and pretest strategies. Variable selection and estimation. Zbl 1306.62002
Ahmed, S. Ejaz
8
2014
Shrinkage estimation and variable selection in multiple regression models with random coefficient autoregressive errors. Zbl 1396.62169
Fallahpour, Saber; Ejaz Ahmed, S.
2
2014
Shrinkage estimation and selection for a logistic regression model. Zbl 1327.62421
Hossain, Shakhawat; Ahmed, S. Ejaz
1
2014
Shrinkage estimation for the mean of the inverse Gaussian population. Zbl 1304.62046
Ma, Tiefeng; Liu, Shuangzhe; Ahmed, S. Ejaz
1
2014
Penalized and shrinkage estimation in the Cox proportional hazards model. Zbl 06301872
Hossain, Shakhawat; Ahmed, S. Ejaz
1
2014
Absolute penalty and shrinkage estimation in partially linear models. Zbl 1243.62058
Raheem, S. M. Enayetur; Ahmed, S. Ejaz; Doksum, Kjell A.
9
2012
LASSO and shrinkage estimation in Weibull censored regression models. Zbl 1242.62075
Ahmed, S. Ejaz; Hossain, Shakhawat; Doksum, Kjell A.
8
2012
\(L_{1}\) penalty and shrinkage estimation in partially linear models with random coefficient autoregressive errors. Zbl 06292438
Fallahpour, Saber; Ahmed, S. Ejaz; Doksum, Kjell A.
6
2012
Estimation of parameters in the growth curve model via an outer product least squares approach for covariance. Zbl 1238.62066
Hu, Jianhua; Liu, Fuxiang; Ahmed, S. Ejaz
6
2012
Dynamic properties of the fractional-order logistic equation of complex variables. Zbl 1246.37074
El-Sayed, A. M. A.; Ahmed, E.; El-Saka, H. A. A.
5
2012
Shrinkage and penalty estimators of a Poisson regression model. Zbl 1334.62127
Hossain, Shakhawat; Ahmed, Ejaz
3
2012
Shrinkage estimation for the regression parameter matrix in multivariate regression model. Zbl 1431.62298
Chitsaz, Shabnam; Ahmed, S. Ejaz
2
2012
An application of shrinkage estimation to the nonlinear regression model. Zbl 1255.62203
Ahmed, S. Ejaz; Nicol, Christopher J.
2
2012
An improved estimation in regression parameter matrix in multivariate regression model. Zbl 1271.62116
Chitsaz, S.; Ahmed, S. Ejaz
2
2012
Stein-type estimation using ranked set sampling. Zbl 1431.62032
Ahmed, S. E.; Muttlak, H. A.; Al-Mutawa, J.; Saheh, M.
1
2012
Stabilizing the performance of kurtosis estimator of multivariate data. Zbl 1271.62114
Ahmed, S. Ejaz.; Omar, M. Hafidz; Joarder, Anwar H.
1
2012
Positive-shrinkage and pretest estimation in multiple regression: a Monte Carlo study with applications. Zbl 1244.62103
Enayetur Raheem, S. M.; Ejaz Ahmed, S.
2
2011
Data-based adaptive estimation in an investment model. Zbl 1277.62247
Ahmed, S. Ejaz; Chitsaz, S.
1
2011
Shrinkage drift parameter estimation for multi-factor Ornstein-Uhlenbeck processes. Zbl 1224.91173
Nkurunziza, Sévérien; Ahmed, S. Ejaz
10
2010
Robust inference strategy in the presence of measurement error. Zbl 1185.62099
Ahmed, S. Ejaz; Hussein, Abdulkadir; Nkurunziza, Sévérien
7
2010
Shrinkage estimation in replicated median ranked set sampling. Zbl 1205.62034
Muttlak, H. A.; Ahmed, S. E.; Al-Momani, M.
1
2010
On stability, persistence, and Hopf bifurcation in fractional order dynamical systems. Zbl 1175.37084
El-Saka, H. A.; Ahmed, E.; Shehata, M. I.; El-Sayed, A. M. A.
25
2009
High order approximation for the coverage probability by a confident set centered at the positive-part James-Stein estimator. Zbl 1169.62007
Ahmed, S. Ejaz; Volodin, Andrei I.; Volodin, Igor N.
11
2009
Positive shrinkage, improved pretest and absolute penalty estimators in partially linear models. Zbl 1160.62066
Hossain, S.; Doksum, Kjell A.; Ahmed, S. Ejaz
11
2009
On fractional order quantum mechanics. Zbl 1394.81133
Shahin, A. M.; Ahmed, E.; Omar, Yassmin A.
1
2009
Asymptotic theory of simultaneous estimation of Poisson means. Zbl 1160.62019
Ejaz Ahmed, S.; Liu, Shuangzhe
1
2009
Improving the performance of kurtosis estimator. Zbl 05564662
An, Lihua; Ahmed, S. Ejaz
8
2008
Parametric estimation for the Birnbaum-Saunders lifetime distribution based on a new parametrization. Zbl 1361.62012
Ahmed, Syed E.; Budsaba, Kamon; Lisawadi, Supranee; Volodin, Andrei
6
2008
On the estimation of reliabilty function in a Weibull lifetime distribution. Zbl 1274.62666
Baklizi, Ayman; Ahmed, S. E.
2
2008
Equilibrium points, stability and numerical solutions of fractional-order predator-prey and rabies models. Zbl 1105.65122
Ahmed, E.; El-Sayed, A. M. A.; El-Saka, H. A. A.
163
2007
Shrinkage, pretest and absolute penalty estimators in partially linear models. Zbl 1158.62029
Ejaz Ahmed, S.; Doksum, Kjell A.; Hossain, S.; You, Jinhong
30
2007
Asymptotic expansion of the coverage probability of James-Stein estimators. Zbl 1127.62014
Ahmed, S. E.; Saleh, A. K. Md. E.; Volodin, A. I.; Volodin, I. N.
8
2007
Nonparametric inference strategies for the quantile functions under left truncation and right censoring. Zbl 1146.62024
Buhamra, Sana S.; Al-Kandari, Noriah M.; Ahmed, S. E.
3
2007
On some Routh-Hurwitz conditions for fractional order differential equations and their applications in Lorenz, Rössler, Chua and Chen systems. Zbl 1142.30303
Ahmed, E.; El-Sayed, A. M. A.; El-Saka, Hala A. A.
80
2006
Risk comparison of some shrinkage M-estimators in linear models. Zbl 1106.62071
Ahmed, S. E.; Hussein, A. A.; Sen, P. K.
14
2006
Comparisons of improved risk estimators of the multivariate mean vector. Zbl 1431.62283
Khan, B. U.; Ahmed, S. E.
3
2006
Numerical solution for the fractional replicator equation. Zbl 1080.65536
Ahmed, E.; El-Sayed, A. M. A.; El-Mesiry, A. E. M.; El-Saka, H. A. A.
11
2005
Assessing the process capability index for non-normal processes. Zbl 1058.62113
Ahmed, S. E.
6
2005
On the asymptotic probability for the deviations of dependent bootstrap means from the sample mean. Zbl 1078.60017
Ahmed, S. Ejaz; Li, Deli; Rosalsky, Andrew; Volodin, Andrei
3
2005
On multiobjective optimization in portfolio management. Zbl 1096.91020
Ahmed, E.; El-Alem, M.
3
2005
Estimating and testing effect size from an arbitrary population. Zbl 1108.62020
Al-Kandari, Noriah M.; Buhamra, Sana S.; Ahmed, S. E.
2
2005
Biased estimation in a simple multivariate regression model. Zbl 1429.62183
Ahmed, S. E.; Krzanowski, W. J.
10
2004
On modified Black-Scholes equation. Zbl 1071.91018
Ahmed, E.; Abdusalam, H. A.
9
2004
Inference concerning quantile for left truncated and right censored data. Zbl 1429.62439
BuHamra, Sana S.; Al-Kandari, Noriah M.; Ahmed, S. E.
6
2004
Improved estimation of coefficient vector in a regression model. Zbl 1081.62533
Khan, B. U.; Ahmed, S. E.
8
2003
On the rate of complete convergence for weighted sums of arrays of Banach space valued random elements with application to moving average processes. Zbl 1017.60013
Ahmed, S. Ejaz; Giuliano Antonini, Rita; Volodin, Andrei
14
2002
Simultaneous estimation of coefficients of variation. Zbl 1011.62026
Ahmed, S. E.
7
2002
Immune-motivated optimization. Zbl 1065.90544
Ahmed, E.; El-Alem, M.
2
2002
Almost sure lim sup behavior of bootstrapped means with applications to pairwise i. i. d. sequences and stationary ergodic sequences. Zbl 0977.62051
Ahmed, S. E.; Li, Deli; Rosalsky, Andrew; Volodin, Andrei I.
8
2001
Simultaneous estimation of several intraclass correlation coefficients. Zbl 1027.62037
Ahmed, S. E.; Gupta, A. K.; Khan, S. M.; Nicol, C. J.
4
2001
On the rate of convergence of bootstrapped means in a Banach space. Zbl 0984.60016
Ejaz Ahmed, S.; Hu, T.-C.; Volodin, Andrei I.
2
2001
Empirical Bayes and likelihood inference. Workshop, Centre de Recherches Mathématiques, Montreal, Canada, November 1997. Zbl 0952.00035
Ahmed, S. Ejaz (ed.); Reid, Nancy (ed.)
1
2001
Least squares, preliminary test and Stein-type estimation in general vector \(AR(p)\) models. Zbl 0957.62072
Ahmed, S. E.; Basu, A. K.
4
2000
On inhomogeneous prey-predator model. Zbl 1056.92513
Ahmed, E.; Yassen, M. T.
3
2000
Modeling the failure of a fractal tree and Julia sets. Zbl 0955.37023
Abdusalam, H. A.; Ahmed, E.
2
2000
On the dynamics of some numerical methods. Zbl 0981.65142
Ahmed, E.; Hegazi, A. S.
1
2000
Shrinkage and pretest nonparametric estimation of regression parameters from censored data with multiple observations at each level of covariate. Zbl 0959.62037
Ahmed, S. E.; Rahbar, M. H.
1
2000
Fuzzy concepts in radiotherapy. Zbl 0956.92025
Hussein, M. L.; Ahmed, E.
1
2000
Stein-type shrinkage quantile estimation. Zbl 0964.62040
Ahmed, S. E.
1
2000
Improved nonparametric estimation of location vectors in multivariate regression models. Zbl 0954.62046
Ahmed, S. E.; Saleh, A. K. Md. E.
9
1999
Complete convergence of bootstrapped means and moments of the supremum of normed bootstrapped sums. Zbl 1069.62528
Li, Deli; Rosalsky, Andrew; Ahmed, S. E.
6
1999
Estimation of regression coefficients in an exponential regression model with censored observations. Zbl 0934.62103
Ahmed, S. E.; Saleh, A. K. Md. E.
5
1999
Improved biased estimation in an ANOVA model. Zbl 0930.62069
Ahmed, S. E.; Ullah, Bashir
5
1999
To pool or not to pool: The multivariate data. Zbl 0972.62032
Ahmed, S. E.; Ullah, Bashir
1
1999
Simultaneous estimation of survivor functions in exponential lifetime models. Zbl 0936.62109
Ahmed, S. E.
1
1999
Estimation of the scale matrix of a class of elliptical distributions. Zbl 0990.62046
Joarder, A. H.; Ahmed, S. E.
5
1998
Large-sample estimation strategies for eigenvalues of a Wishart matrix. Zbl 1093.62543
Ahmed, S. E.
1
1998
A Monte Carlo study of robustness of pretest and shrinkage estimators in pooling coefficients of variation. Zbl 0913.62016
Ahmed, S. E.; Bhoj, D. S.; Ahsanullah, M.
1
1998
Improved pretest nonparametric estimation in a multivariate regression model. Zbl 0949.62027
Ahmed, S. E.
1
1998
Improved prediction: Pooling two identical regression lines. Zbl 0901.62083
Mahdi, T. N.; Ahmed, S. E.; Ahsanullah, M.
1
1998
Asymptotic shrinkage estimation: The regression case. Zbl 0935.62026
Ahmed, S. E.
1
1997
On the application of fuzzy decision theory in chemotherapy. Zbl 0888.92020
Ahmed, E.; Hussein, M. L.
1
1997
Estimation of the characteristic roots of the scale matrix. Zbl 0864.62038
Joarder, Anwarul H.; Ahmed, S. E.
4
1996
Shrinkage estimation of the proportion in randomized response. Zbl 0845.62008
Ahmed, S. E.; Rohatgi, V. K.
3
1996
On anyonic variables and fractional supersymmetry. Zbl 1022.81808
Ahmed, E.
1
1996
A pooling methodology for coefficient of variation. Zbl 0856.62033
Ahmed, S. E.
6
1995
Improved shrinkage estimation of relative potency. Zbl 0837.62098
Ahmed, S. E.
1
1995
Improved estimation in a multivariate regression model. Zbl 0937.62596
Ahmed, S. Ejaz
4
1994
Pooling reliability functions. Zbl 0832.62086
Ahmed, S. E.
2
1994
A bootstrap theorem for a preliminary test estimator. Zbl 0774.62029
Kulperger, R. J.; Ahmed, S. E.
5
1992
Estimation strategies for the intercept vector in a simple linear multivariate normal regression model. Zbl 0825.62570
Ahmed, S. E.; Saleh, A. K. Md. E.
11
1990
Pooling multivariate data. Zbl 0726.62070
Ahmed, S. E.; Saleh, A. K. Md. E.
8
1989
Recurrence relations and identities for moments of order statistics, II: Specific continuous distributions. Zbl 0696.62028
Balakrishnan, N.; Malik, Henrick J.; Ahmed, S. E.
22
1988
Recurrence relations and identities for moments of order statistics, I: Arbitrary continuous distribution. Zbl 0696.62221
Malik, Henrick J.; Balakrishnan, N.; Ahmed, S. E.
16
1988
Estimation strategy using a preliminary test in some normal models. Zbl 0683.62004
Ahmed, S. E.; Saleh, A. K. Md. Ehsanes
1
1988
On extensions of supersymmetry algebras in \(d=4\) and 11. Zbl 0573.53051
Ahmed, E.; Rands, B. L.; Taylor, J. G.
2
1985
all top 5

Cited by 848 Authors

61 Ahmed, Syed Ejaz
14 Nkurunziza, Sévérien
13 Hossain, Shakhawat
11 Arashi, Mohammad
9 Volodin, Andrei I.
8 El-Saka, Hala A. A.
7 Tavazoei, Mohammad Saleh
6 Doksum, Kjell A.
6 El-Sayed, Ahmed Mohamed Ahmed
6 Lisawadi, Supranee
6 Roozbeh, Mahdi
6 Zhou, Ping
5 Al-Kandari, Noriah M. A.
5 Al-saedi, Ahmed Eid Salem
5 Azar, Ahmad Taher
5 Băleanu, Dumitru I.
5 Buhamra, Sana S.
5 Haeri, Mohammad
5 Hussein, Abdulkadir A.
5 Joarder, Anwar H.
5 Matouk, A. E.
5 Momani, Shaher M.
5 Nadarajah, Saralees
5 Ouannas, Adel
5 Ozalp, Nuri
5 Saleh, A. K. Md. Ehsanes
5 Wang, Zhen
5 Ziar, Toufik
4 Abdusalam, H. A.
4 Burch, Brent D.
4 Cao, Jinde
4 Čermák, Jan
4 Elshahed, Moustafa
4 Fahmy, E. S.
4 Kamps, Udo
4 Khan, Hafiz M. R.
4 Khan, Shahjahan
4 Leeb, Hannes
4 Matar, Mohammed M.
4 Norouzirad, Mina
4 Odibat, Zaid M.
4 Potscher, Benedikt M.
4 Rosalsky, Andrew
4 Xiao, Min
3 Abbas, Syed
3 Al-Momani, Marwan A.
3 Cabrera, Manuel Ordóñez
3 Chitsaz, Shabnam
3 Demirci, Elif
3 El-Gohary, Awad I.
3 Elsadany, Abdelalim A.
3 Fraiman, Ricardo
3 Ghaderi, Reza
3 Hosseinnia, Seyed Hassan
3 Hu, Jianhua
3 Hu, Tienchung
3 Huang, Chengdai
3 Jiang, Zhaolin
3 Kaslik, Eva
3 Kibria, B. M. Golam
3 Li, Deli
3 Li, Hongli
3 Li, Yuxia
3 Nechvátal, Luděk
3 Nguyen Dinh Cong
3 Rana, Sourav
3 Ranjbar Noiey, Abolzafl
3 Shah, Muhammad Kashif Ali
3 Shi, Bao
3 Teng, Zhi-dong
3 Thomas, P. Yageen
3 Tuan, Hoang The
3 Vaidyanathan, Sundarapandian
3 Volodin, Igor N.
3 Wang, Xinhe
3 Yousef, Ahmed M.
3 Yuan, Jian
3 Yüzbasi, Bahadir
3 Zhang, Long
2 Abdullah, Farah Aini
2 Abu-Youssef, S. E.
2 Agarwal, Ravi P.
2 Ahmad, Abd El-Baset A.
2 Ahmad, Bashir
2 Ahmed, Ekhlass S.
2 Alsaadi, Fuad Eid S.
2 An, Lihua
2 Arafa, Anas. A. M.
2 Arashi, Mohammed
2 Arshad, Sadia
2 Asheghan, Mohammad Mostafa
2 Aydin, Dursun
2 Baek, Jong-Il
2 Balasubramaniam, Pagavathigounder
2 Bao, Bocheng
2 Bhattacharya, Sabyasachi
2 Boukhouima, Adnane
2 Bukhari, Fawzy A.
2 Cai, Hao
2 Carvalho, Ana R. M.
...and 748 more Authors
all top 5

Cited in 137 Serials

25 Journal of Statistical Computation and Simulation
24 Nonlinear Dynamics
23 Communications in Statistics. Theory and Methods
21 Advances in Difference Equations
19 Chaos, Solitons and Fractals
15 Computational Statistics and Data Analysis
14 Applied Mathematics and Computation
14 Statistics & Probability Letters
12 Journal of Statistical Planning and Inference
12 Abstract and Applied Analysis
11 International Journal of Bifurcation and Chaos in Applied Sciences and Engineering
11 Statistical Papers
10 Metrika
9 Journal of Multivariate Analysis
9 Statistics
9 Mathematical Problems in Engineering
8 Complexity
7 Journal of Applied Statistics
6 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods
6 Linear Algebra and its Applications
6 Communications in Nonlinear Science and Numerical Simulation
6 Lobachevskii Journal of Mathematics
5 Journal of the Franklin Institute
5 Computational Statistics
5 Computational and Applied Mathematics
5 Journal of the Egyptian Mathematical Society
5 Journal of Nonparametric Statistics
4 Computers & Mathematics with Applications
4 International Journal of Mathematics and Mathematical Sciences
4 Journal of Computational and Applied Mathematics
4 Stochastic Analysis and Applications
4 Applied Mathematics Letters
4 Communications in Statistics. Simulation and Computation
4 Chaos
4 Discrete Dynamics in Nature and Society
4 International Journal of Nonlinear Sciences and Numerical Simulation
4 Nonlinear Analysis. Modelling and Control
4 Advances in Mathematical Physics
4 Asian Journal of Control
3 Journal of Mathematical Analysis and Applications
3 Australian & New Zealand Journal of Statistics
3 Bulletin of the Malaysian Mathematical Sciences Society. Second Series
3 Journal of Applied Mathematics and Computing
2 Mathematical Methods in the Applied Sciences
2 Physica A
2 Collectanea Mathematica
2 Circuits, Systems, and Signal Processing
2 Journal of Theoretical Probability
2 Mathematical and Computer Modelling
2 Test
2 Differential Equations and Dynamical Systems
2 Fractional Calculus & Applied Analysis
2 Journal of Interdisciplinary Mathematics
2 Statistical Inference for Stochastic Processes
2 Econometric Theory
2 Applied Stochastic Models in Business and Industry
2 Nonlinear Analysis. Real World Applications
2 Statistical Methodology
2 Journal of the Korean Statistical Society
2 Journal of Statistical Theory and Practice
2 Mathematical Modelling of Natural Phenomena
2 International Journal of Biomathematics
2 International Journal of Differential Equations
2 Mathematics
2 Journal of Function Spaces
1 Modern Physics Letters A
1 Modern Physics Letters B
1 International Journal of Modern Physics B
1 International Journal of General Systems
1 International Journal of Heat and Mass Transfer
1 International Journal of Theoretical Physics
1 Lithuanian Mathematical Journal
1 Mathematical Biosciences
1 Scandinavian Journal of Statistics
1 Theoretical and Mathematical Physics
1 Journal of Geometry and Physics
1 The Annals of Statistics
1 Automatica
1 Calcolo
1 Fuzzy Sets and Systems
1 Journal of Econometrics
1 Mathematics and Computers in Simulation
1 Numerical Functional Analysis and Optimization
1 Opsearch
1 Proceedings of the American Mathematical Society
1 Acta Applicandae Mathematicae
1 Physica D
1 Acta Mathematicae Applicatae Sinica. English Series
1 Neural Networks
1 Applied Mathematical Modelling
1 Automation and Remote Control
1 International Journal of Computer Mathematics
1 SIAM Journal on Optimization
1 Statistica Sinica
1 Bernoulli
1 Journal of Mathematical Chemistry
1 European Journal of Control
1 Journal of Vibration and Control
1 Vietnam Journal of Mathematics
1 Journal of Inequalities and Applications
...and 37 more Serials
all top 5

Cited in 35 Fields

206 Statistics (62-XX)
185 Ordinary differential equations (34-XX)
98 Biology and other natural sciences (92-XX)
63 Numerical analysis (65-XX)
50 Real functions (26-XX)
48 Dynamical systems and ergodic theory (37-XX)
46 Systems theory; control (93-XX)
35 Probability theory and stochastic processes (60-XX)
18 Partial differential equations (35-XX)
16 Game theory, economics, finance, and other social and behavioral sciences (91-XX)
8 Calculus of variations and optimal control; optimization (49-XX)
8 Operations research, mathematical programming (90-XX)
7 Operator theory (47-XX)
7 Information and communication theory, circuits (94-XX)
6 Linear and multilinear algebra; matrix theory (15-XX)
6 Difference and functional equations (39-XX)
6 Integral equations (45-XX)
4 Measure and integration (28-XX)
4 Statistical mechanics, structure of matter (82-XX)
3 Global analysis, analysis on manifolds (58-XX)
3 Mechanics of particles and systems (70-XX)
2 General and overarching topics; collections (00-XX)
2 Combinatorics (05-XX)
2 Functions of a complex variable (30-XX)
2 Computer science (68-XX)
2 Classical thermodynamics, heat transfer (80-XX)
2 Quantum theory (81-XX)
1 Commutative algebra (13-XX)
1 Special functions (33-XX)
1 Approximations and expansions (41-XX)
1 Integral transforms, operational calculus (44-XX)
1 Differential geometry (53-XX)
1 Fluid mechanics (76-XX)
1 Optics, electromagnetic theory (78-XX)
1 Relativity and gravitational theory (83-XX)

Citations by Year

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