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Hybrid Methods for Optimization Problems with Positive
Semi–Definite Matrix Constraints



Al-Homidan S., Q. Ansari and G. Kassay, Bregman Type Regularization of Variational Inequalities with Mosco Approximation of the Constraint Set, Positivity.
Al-Homidan S., and M. Islam, Q. Ansari Existence Results and Two Step Proximal Point Algorithm for Equilibrium Problems on Hadamard Manifolds, Carpathian Journal of Mathematics.
Ahmad I., Singh V., Gupta S., Al-Homidan S., Duality for multiobjective variational problems under second-order (Φ, ρ)-invexity"  Set-Valued and Variational Analysis, Filomat.
Lia X., Al-Homidan S., Ansari Q. and Yao J., A sufficient condition for asymptotically well behaved property of convex polynomials Operations Research Letters.
Al-Homidan S., Ahmad I. and Kummari K.,  Sufficiency and duality for nonsmooth interval-valued optimization problems via generalized invex-infine functions, Journal of Inequalities and Applications.

Published online

Chadli O., Ansari Q., and Al-Homidan S., Augmented Lagrangian methods for Optimal Control Problems Governed by Mixed Equilibrium Problems with Application to Hemivariational Inequalities and their Control, Optimal Control, Applications and Methods.
Chen J., Al-Homidan S., Ansari Q., Li J. and Lv Y., Robust Necessary Optimality Conditions for Nondifferentiable Complex Fractional Programming with Uncertain Data, Journal of Optimization Theory and Applications.


Suliman Al-Homidan, Semi–Definite Programming for the Nearest Circulant Semi–Definite Matrix Problem, Carpathian Journal of Mathematics, 37(1) 13 – 22, 2021.
Suliman Al-Homidan, Computing the Nearest Circulant Positive Semi--Definite Matrix  to a Noisy  matrix. Journal of Nonlinear and Convex Analysis, 22(2) 309-319, 2021.
Suliman Al-Homidan, Low-Rank Approximation of Circulant Matrix to a Noisy Matrix, Arabian Journal for Science and Engineering, 46, 3287–3292, 2021.
Chadli O., Ansari Q., Al-Homidan S., and M. Alshahrani, Optimal Control of Systems Governed by Mixed Equilibrium Problems under Monotonicity-Type Conditions with Applications, Applied Mathematics and Optimization, 83(1), 373–403, 2021.
Chadli O., Ansari Q., Al-Homidan S., and M. Alshahrani, Optimal Control of Problems Governed by Mixed Quasi-Equilibrium Problems Under Monotonicity-Type Conditions with Applications, Applied Mathematics and Optimization, 83(3), 2185–2209, 2021.
Al-Homidan S., and  L. Shaalan, Approximation of quasiconvex functions by neatly quasiconvex functions.  Optimization letters, 15, 979–989, 2021.
Al-Homidan S., Ali  B. and Suleiman I., Generalized split feasibility problem for multi-valued Bregman quasi-nonexpansive mappings in Banach spaces, Applied Numerical Mathematics, 161, 437–451, 2021.
Mahajan S., SK Gupta, Ahmad I. and Al-Homidan S., Using concave optimization methods for inexact quadratic programming problems with an application to waste management, Journal of Inequalities and Applications, 2021:60, 2021.


Singh V., A. Jayswal,  Al-Homidan S., and  Ahmad I., Higher order duality for cone vector optimization problems, Asian European Journal of Mathematics, 13(1) 205-020, 2020.
S. Al-Homidan, Q. Ansari and G. Kassay, Vectorial form of Ekeland variational principle with applications to vector equilibrium problems, Optimization, 69(3) 415-436, 2020.
Al-Homidan S., B. Ali and Y. Suleiman, An iterative method for solving multiple-set split feasibility problems in Banach spaces. Carpathian Journal of Mathematics, 36(1) 67-79, 2020.  
Ahmad I., Verma K. and Al-Homidan S., Mixed Type Nondifferentiable Higher-Order Symmetric Duality over Cones, Symmetry,  12,74, 2020.  
Li X., Al-Homidan S., Ansari Q.  and Yao J., Robust Farkas Minkowski Constraint Qualification for Convex Inequality System under Data Uncertainty, Journal of Optimization Theory and Applications, 185, 785–802, 2020.
Al-Homidan S., Ansar Q., Babu F. and Yao J. Viscosity Method With A _-Contraction Mapping For Hierarchical Variational Inequalities On Hadamard Manifolds, Fixed Point Theory, 21(2) 561-584, 2020.
Ahmad I., Kummari K. and Al-Homidan S., sufficiency and duality for interval-valued optimization problems with vanishing constraints using weak constraint qualifications, International Journal of Analysis and Applications, 18(5) 784-798, 2020.
Chadli O., Mohapatra R.  and Al-Homidan S., Optimal Control Of A Class Of Mixed Hemivariational Inequalities Involving Set-Valued Maps Journal of Nonlinear and Convex Analysis,  21(10) 2351-2366, 2020.
Al-Homidan S., Singh V. and Ahmad I. On Higher-order Duality in Nondifferentiable Minimax Fractional Programming. Applications & Applied Mathematics 15 (2) 1348 – 1368, 2020,


Suliman Al-Homidan, Structured low rank approximation of non-negative matrices. Journal of Nonlinear and Convex Analysis,   20(11) 2259-2268, 2019.
Ahmad I., A Jayswal, Al-Homidan S., and J Banerjee, Sufficiency and Duality in Interval-Valued Variational Programming. Neural Computing and Applications, 31, 4423–4433, 2019
Al-Homidan S., Q.  Ansari and F. Babu. Halpern and mann type algorithms for fixed points and inclusion problems on hadamard manifolds, Numerical Functional Analysis and Optimization, 40(6) 621-653, 2019.    
Al-Homidan S., Q. Ansari and G. Kassay, Takahashi’s minimization theorem and some related results in quasi-metric spaces, Journal of Fixed Point Theory and Applications, 21(38), 2019.
Al-Homidan S., Q. Ansari and G. Kassay, On sensitivity of vector equilibria by means of the diagonal subdifferential operator,  Journal of Nonlinear and Convex Analysis, 20(3)527-537, 2019.
S. Gupta, D. Dangar, I. Ahmad and Al-Homidan S., A fuzzy multiple objective nonlinear optimization problem and its duality results. Journal of Intelligent and Fuzzy Systems36, 1361–1373, 2019.  
Al-Homidan S., Q. Ansari and O. Chadli, Noncoercive mixed equilibrium problems under pseudomonotone perturbations and applications to nonlinear evolution equations with lack of coercivity, Applicable Analysis, 98(7) 1199–1223, 2019.
Al-Homidan S., Q. Ansari,  and O. Chadli, Noncoercive stationary navier-stokes equations of heat-conducting fluids modeled by Hemivariational inequalities: An equilibrium problem approach, Results in Mathematics, 74(132)  2019. 
Al-Homidan S., Q. Ansari,  and M. Islam, Browder type fixed point theorem on Hadamard manifolds with applications, Journal of Nonlinear and Convex Analysis, 20(11) 2397-2409, 2019.


Al-Homidan S., Hadjisavvas N. and  L. Shaalan, Transformation of Quasiconvex Functions to Eliminate Local Minima. Journal of Optimization Theory and Applications, 177, 93–105, 2018.
Bnouhachem, Ansari Q. and Al-Homidan S., SQP alternating direction method for structured variational inequalities, Journal of Nonlinear and Convex Analysis. 19(3):461-476. 2018.
Al-Homidan S., Low Rank Methods for Solving the Nearest Correlation Matrix Problem, Journal of Nonlinear and Convex Analysis 19(6):881-892, 2018.
Capata A., G Kassay and  Al-Homidan S., Existence Results For Strong Vector Equilibrium Problems With Applications, Journal of Nonlinear and Convex Analysis. 19(7), 1163-1179, 2018.
Al-Homidan S., Ali B. and Suleiman Y.,   Generalized Split Equilibrium Problems For Countable Family Of Relatively Quasi-Nonexpansive Mappings, Journal of Nonlinear and Convex Analysis. 19(7) 1109-1126, 2018.
S. K. Gupta, D. Dangar, Izhar Ahmad and Al-Homidan S., Duality in nonlinear programming problems under fuzzy environment with exponential membership functions, Journal of Inequalities and Applications 2018:218, 2018.
Ahmad R., Ahmad I., Ali I., Al-Homidan S., and Wang Y., h(:; :)-ordered-compression mapping for solving xor-variational inclusion problem, Journal of Nonlinear and Convex Analysis 19(12) 2189-2201, 2018.


Suliman Al-HomidanGlobal convergence of the alternating projection Method for the max-cut relaxation problem, Filomat, 31(3), 737–746, 2017.
Chadli O, Ansari Q. and Al-Homidan S., Existence of Solutions and Algorithms for Bilevel Vector Equilibrium Problems: An Auxiliary Principle Technique. Journal of Optimization Theory and Applications, 172(3) 726-758, 2017.
Al-Homidan S, Ansari Q and L Van Nguyen. Weak Sharp Solutions for Nonsmooth Variational Inequalities. Journal of Optimization Theory and Applications, 175(3) 683–701, 2017.
Al-Homidan S.,   Ansari, L Van NguyenFinite convergence analysis and weak sharp solutions for variational inequalities Optimization Letters, 11(8) 1647–1662, 2017.  
Al-Homidan S., Ansari Q. and Burachik, Weak sharp solutions for generalized variational Inequalities, Positivity, 21(3) 1067–1088, 2017.
Alshahrani, Al-Homidan S. and Ansari, Minimum and maximum principle sufficiency properties for Nonsmooth variational inequalities. Optimization Letters, 10 (4), 805-819, 2017.


O Chadli, QH Ansari, Al-Homidan,  Existence of Solutions for Nonlinear Implicit  Differential Equations: An Equilibrium Problem Approach. Numerical Functional Analysis and Optimization  Vol. 37(11) (2016) pp.  1385-1419.
 S. Al-Homidan and Ahmad,  Second order convexity and multiobjective Programming with a modified objective function
Al-Homidan S. and Ansari, Equilibrium constrained vector optimization problems. Journal of Nonlinear and Convex Analysis 17 (5), 891-898
AA Awotunde, R Ghanam,  S Al-Homidan and N Tatar, Numerical Schemes for Anomalous Diffusion of Single-Phase Fluids In Porous Media. Communications in Nonlinear Science and Numerical Simulation 39, 381-395.
I Ahmad, D Singh, BA Dar, S Al-Homidan, On interval valued functions and Mangasarian type duality involving Hukuhara derivative. Journal of Computational Analysis & Applications 21 (5), 881-896.
Alshahrani, Al-Homidan,  and Ansari, Minimum and maximum principle sufficiency properties for Nonsmooth variational inequalities. Optimization Letters, 10 (4), 805-819.


Bnouhachem, Al-Homidan and Ansari. New descent lqp alternating direction methods For solving a class of structured variational Inequalities. Fixed Point Theory and Applications  (2015) 2015:137

I Ahmad, S Al-Homidan, Sufficiency and duality in nondifferentiable multiobjective programming involving higher order strong invexity. Journal of Inequalities and Applications 2015 (1), 1-12

S Al-Homidan, M Alshahrani, QH Ansari, System of nonsmooth variational inequalities with applications Optimization,64(5) pp. 1211–1218, Oct. 2015.

    Al-Homidan S. and Ansari, QNonsmooth weighted variational inequalities and nonsmooth vector optimization.Journal of Nonlinear and Convex Analysis 16 (4), 667-684

Alshahrani, Abbas, Ansari and Al-Homidan Iterative schemes for generalized nonlinear Complementarity problems on isotone Projection cones. Journal of Nonlinear and Convex Analysis.16 (8), 1681-1697.

S Al-Homidan, M Alshahrani, QH Ansari,Weak Sharp Solutions for Equilibrium Problems in Metric Spaces. Journal of Nonlinear and Convex Analysis.16 (7), 1185-1193.


Suliman Al-Homidan, Structure method for solving the nearest Euclidean distance matrix problem, Journal of Inequalities and Applications2014 (1), 491, 2014.

 Lu-Chuan Ceng and Suliman Al-Homidan, Algorithms of common solutions for generalized mixed equilibria, variational inclusion and constrained convex minimization, Abstract and Applied Analysis 2014, 10, 2014.

Anurag Jayswal, Izhar Ahmad, Krishna Kummari and Suliman Al-Homidan,  On minimax programming problems involving right upper-Dini-derivative functions,  Journal of Inequalities and Applications 2014, 2014:326

Abdellah Bnouhachem, , Suliman Al-Homidan and Qamrul Hasan Ansari, An iterative method for common solutions of equilibrium problems and hierarchical fixed point problems. Fixed Point Theory and Applications 2014, 2014:194

Nadeem A. Malik, R. A. Ghanam and S. Suliman Al-Homidan. Sensitivity of the pressure distribution to the fractional order $\alpha$ in the fractional diffusion equation.  Canadian Journal of Physics. 93 (1), 18-36            1,2014.

 I. Ahmad, Z Husain and Suliman Al-Homidan. Mixed type symmetric duality for multiobjective variational problems with cone constraints. International Transactions in Operational Research 21 (2), 291-310, 2014

M Alshahrani, QH Ansari, S Al-Homidan, Nonsmooth variational-like inequalities and nonsmooth vector optimization Optimization Letters, 8 (2), 739-751, 2014


S Al-Homidan, RA Ghanam, N Tatar, On a generalized diffusion equation arising in petroleum engineering, Advances in Difference Equations 2013 (1), 349.   

LC Ceng, S Al-Homidan, QH Ansari  Iterative algorithms with regularization for hierarchical variational inequality problems and convex minimization problems Fixed Point Theory and Applications 2013 (1), 284    .

M Alshahrani, QH Ansari, S Al-Homidan Existence Results for Nonsmooth Vector Quasi-Variational-Like Inequalities, Abstract and Applied Analysis pp. 1–7, 2013.             


Suliman Al-Homidan. Hankel matrix transforms and operators. Journal of Inequalities and Applications 2012, 2012:92.

 Qamrul Ansari, S Al-Homidan,   Jen-Chih YaoEquilibrium problems and fixed point theory, Guest editor, Fixed Point Theory and Applications 2012, 2012:25 (24 February 2012)   

S Al-Homidan, Qamrul Ansari, BS Mordukhovich, Positivity in Variational Analysis and Optumization, Guest editor, Positivity 2011-2013.  

Al-Homidan S. and Algarni M., Structured Methods for Solving Correlation Problem Positivity  Vol 16 pp 497-508, 2012.

Al-Homidan S. and Ansari Q Relations Between Generalized Vector Variational-Like Inequalities And Vector Optimization Problems, Taiwanese Journal of Mathematics Vol. 16, No. 3, pp. 987-998, June 2012.

Agarwal R. Ahmad I. and Al-Homidan S. Optimality and duality for for nondifferentiable multiobjective programming problems involving generalized d- ρ (,θ)–d–I-univex functions. Journal of Nonlinear and Convex Analysis. vol. 13, no. 4, pp. 733-744, 2012.  

S Al-Homidan, Qamrul Ansari,  Jen-Chih Yao, Nonsmooth invexities, invariant monotonicities and nonsmooth vector variational-like inequalities with applications to vector optimization, Recent Developments in Vector Optimization 221-274, edited by Editors:Qamrul Ansari, Jen-Chih Yao.



Al-Homidan S., Ansari Q. and Yao J., Collectively Fixed Point and Maximal Element Theorems in Topological Semilattice Spaces. Applicable Analysis: An International Journal. Vol. 90, No. 6, 2011, 865–888.

I. Ahmad, Z. Husain, Al-Homidan S. Second order duality in nondifferentiable fractional programming. Nonlinear Analysis: Real World Applications Volume 12, Issue 2, April 2011, Pages 1103-1110

Jayswal A., Ahmad I.  and Al-Homidan S., Sufficiency and duality for nonsmooth multiobjective programming problems involving generalized (F,α,ρ,θ)–d–V-univex functions. Mathematical and Computer Modelling. Volume 53, Issues 1-2, January 2011, Pages 81-90

Al-Homidan S. and Ansari Q Fixed Point Theorems on Product Topological Semilattice Space, Generalized bstract Econmies and System of Generalized Vector-Equlilbrium Problems, Taiwanese Journal of Mathematics Vol. 15, No. 1, pp. 307-330, February 2011.      

Ahmad I., Al-Homidan S. and S Sharma S., Duality for nondifferentiable multiobjective variational problems with generalized Type I functions. Dynamics of Continuous, Discrete and Impulsive Systems Series A: Mathematical Analysis. Vol 18, 443-455 2011.


Lu-Chuan Zeng, Q.H. Ansari and Al-Homidan Hybrid Proximal-Type Algorithms for Generalized Equilibrium Problems, Maximal Monotone Operators and Relatively Nonexpansive Mappings. Fixed Point Theory and Applications. vol. 2011, Article ID 973028, 23 pages, 2010.

Al-Homidan S., Alshahrani M., Petra C. and Potra F. Minimal Condition Number for Positive Definite Hankel Matrices using Semidefinite Programming. Linear Algebra and its Applications,  Vol. 433 (2010) pp. 1101-1109. 

Al-Homidan S. and Ansari Q., Generalized Minty Vector Variational-like Inequalities and Vector Optimization Problems, Journal of Optimization Theory and Applications Vol. 144(3) (2010) pp. 1-11.        

Al-Homidan S. and Ansari Q.,   Quasi-Equilibrium Problems with Lower and Upper Bounds in Ordered  Topological Spaces.   Journal of Nonlinear and Convex Analysis   V. 11, Number 2, 2010, pp345-355.

Lin L., Chuang C. and S  Al-Homidan, Ekeland type variational principle with applications to quasi-variational inclusions. Nonlinear Analysis. Volume 72, Issue 2, 15 January 2010, Pages 651-661.


Ceng L., Al-Homidan S., Ansari Q. and Yao J., An Iterative Scheme For Equilibrium Problems And Fixed Point Problems Of Strict Pseudo-Contraction Mappings, Journal of Computational and Applied Mathematics, Vol. 223 (2009) pp. 967-974.

Al-Homidan S.  and. Alshahrani M., Positive Definite Hankel Matrices using  Cholesky Factorization. Computational methods in applied mathematics. Vol. 9 (2009). No. 3 pp.221-225.


Al-Homidan S., Ansari Q. and Yao J.,  Some Generalizations Of Ekeland-Type Variational Principle With Applications To Equilibrium Problems And Fixed Point Theory, Nonlinear Analysis, Vol. 69(1) (2008) pp. 126-139.

Al-Homidan S., Semidefinite Programming for the  Educational Testing Problem, Central European Journal for Operations Research, Vol. 16 (2008) pp. 239-249.


Al-Homidan S.,  "Solving Hankel Matrix Approximation Problem using Semidefinite Programming, Journal of Computational and Applied Mathematics, Vol. 202(2) (2007) pp. 304-314.

Al-Homidan S.  and Ansari Q., Systems of Equilibrium Problems with Lower and Upper Bounds, Applied Mathematics Letters,  Vol. 20(3) (2007) pp. 323-328.

Al-Homidan S.,  Approximate Toeplitz Problem Using Semidefinite Programming, Journal of Optimization Theory and Applications, Vol. 135(3) (2007) pp. 583-598.

Al-Homidan S., Ansari Q. and Schaible S., Existence of Solutions of Systems of Generalized Implicit Vector Variational Inequalities, Journal of Optimization Theory and Applications, Vol. 134(3) (2007) pp. 515-531.


Alshahrani M.  and   S. Al-Homidan,   Mixed Semidefinite And Second-Order Cone Optimization Approach For The Hankel Matrix Approximation Problem, Nonlinear Dynamics and Systems Theory. Vol. 6(3) (2006) pp. 211-224.

Al-Homidan S. and Fletcher R., Rationalizing Foot and Ankle Measurements to Conform to a Rigid Body Model, Computer Methods in Biomechanics and Biomedical, Vol. 9 (2) (2006) pp. 103-111.

Al-Homidan S.,  Semidefinite and Second Order Cone Optimization Approach for the Toeplitz Matrix Approximation Problem, Journal of Numerical Mathematics, Vol.14(1) (2006) pp.1-15.


Al-Homidan S and Wolkowicz H., Approximate and Exact Completion Problems for Euclidean Distance Matrices using Semidefinite Programming Linear Algebra and its Applications,  Vol. 406 (2005) pp. 109-141.

Al-Homidan S., Structured Methods for Solving Hankel Matrix Approximation Problems, Pacific journal of Optimization, Vol. 1 (2005) pp.  599-609.


Al-Homidan S., Hybrid Methods For Approximating Hankel Matrix, Numerical Algorithms, 32, 57-66, 2003.


Al-Homidan S., SQP Algorithms for Solving Toeplitz Matrix Approximation Problem, Numerical Linear Algebra with Applications, 9(8), 619- 627, 2002.

Al-Homidan S., Toeplitz Matrix Approximation, Mathematical Sciences Research Journal,6(2), 104-111, 2002.

Al-Homidan S., Combined Methods For Approximating Hankel Matrix, WSEAS Transactions on systems, 1, 35-41, 2002.


 Al-Homidan S., Hybrid Methods For Solving The Educational Testing Problem Journal of Computational and Applied Mathematics, 91, 31-45, 1998.

Sebawe Abdalla M., Ahmed, M.M.A. and Al-Homidan S., Quantum Statistics Of Three Modes Coupled Oscillators, Journal of Physics A: Mathematical and General 31, 3117-3139, 1998.  

     كتاب البرمجة الخطية            

     كتاب طرق النقطة الداخلية



1.       Al-Homidan, S. Hybrid methods for solving the educational testing problem.  .

2.       Sebawe Abdalla M., Ahmed, M.M.A. and Al-Homidan S. Quantum statistics of three modes coupled oscillators. .

3.       Al-Homidan S. SQP algorithms for solving Toeplitz matrix approximation problem. 

4.       Al-Homidan, S. Toeplitz matrix approximation.

5.       Al-Homidan, S. Combined methods for approximating Hankel matrix.

6.       Al-Homidan  S.  Hybrid  methods for approximating Hankel  matrix.   

7.       Al-Homidan S.  and Henry Wolkowicz, Approximate and Exact Completion Problems for Euclidean Distance Matrices using Semidefinite Programming,  

8.       Al-Homidan S., Structured Methods for Solving Hankel Matrix Approximation Problems,  

9.       M. M. Alshahrani and Suliman S. Al-Homidan,   Mixed semidefinite and second-order cone optimization approach for the Hankel matrix approximation problem,  

10.   Suliman Al-Homidan and Fletcher, R.,  "Rationalizing Foot and Ankle Measurements to Conform to a Rigid Body Model,

11.   Suliman Al-Homidan,  "Solving Hankel Matrix Approximation Problem using Semidefinite Programming," Journal of Computational and Applied Mathematics, To appear.

12.   Suliman Al-Homidan,  "Semidefinite and second order cone optimization approach for the Toeplitz matrix approximation problem," 

13.   Suliman Al-Homidan and Qamrul Hasan Ansari, "Systems of Equilibrium Problems with Lower and Upper Bounds," , To appear.

14. Alternating Projection Algorithm for Toeplitz Matrix Approximation



1.      Al-Homidan, S. and Fletcher, R.  [1995].Hybrid methods  for finding the nearest Euclidean distance matrix, University of Dundee Report NA/157, 1995.

2.      Al-Homidan, S. [1998]. Hybrid methods   for Solving the Educational Testing Problem, T. R. No. 216  KFUPM (Dept. of Maths Sciences).

3.      Al-Homidan, S. [2000]. Positive Semi-Definite  Toeplitz Approximation Methods, T. R. No. 259  KFUPM (Dept. of Maths Sciences).

4.      Al-Homidan, S. [2001]. Structured Methods for Solving     Hankel Matrix Approximation Problems, T. R. No. 266  KFUPM (Dept. of Maths Sciences).


1.      Al-Homidan, S. [1998]. Hybrid methods   for Minimizing least distance functions with semi-definite matrix constraints. Proc. of  NMA'98: 4th International Conference on Numerical  Methods and Applications pp.621-628.


2.      Al-Homidan, S. [2002]. Combined methods for Toeplitz Matrix Approximation methods. Current trends in Industrial and applied mathematics(Ed. P Manchanda, K. Ahmad and A.H. Siddiqi) Anamaya Publishers.

3. Al-Homidan, S. Numerical Experiments with Toeplitz Matrix Approximation Methods. Proc.entitle"Modern Mathematical Models,Methods and Algorithms for real world System. (Editors I.Duff,O.Christensen). Anamya Publishers,India&UK




1.       Al-Homidan, S. [2002]. Numerical Experiments with  Toeplitz Matrix  Approximation Methods submitted. 

2.       Al-Homidan, S. [2002].  Alternating Projection Algorithm for Hankel Matrix Approximation submitted.

Arabic Book      

 An Arabic Book on Linear Programming with H. Heamedh and O. Hamed. Published 2002

أسس البرمجة الخطية  تأليف سليمان الحميدان، عمر حامد وحسن حميدة.

Conferences and Shortcourses  

1.       13th Biennial Conference on Numerical Analysis, University of Dundee, Scotland, UK, 4th - 7th July 1989

2.       14th Biennial Conference on Numerical Analysis, University of Dundee, Scotland, UK, 2nd - 5th July 1991

3.       15th Biennial Conference on Numerical Analysis, University of Dundee, Scotland, UK, 29th June - 2nd July 1993

4.       The First Meeting For Saudi Association For Mathematical Science, King Saud University, Riyadh, Saudi Arabia 8th - 9th March 1994

5.       The Second Meeting for Saudi Association for Mathematical Science, King Saud University, Riyadh, Saudi Arabia, 11th - 12th March 1997

6.       The Fourth Meeting for Saudi Association for Mathematical Science, King Saud University, Riyadh, Saudi Arabia, 9th - 10th March 1999

7.       NMA'98: 4th International Conference on Numerical Methods and Applications,
August 19 - 23, 1998, Sofia, BULGARIA. (Paper presented ~nma98/a_107.txt)

8.       Workshop on Mathematical Modeling of Flow through super K systems, Sept. 12-14, 1998 ARAMCO Dhahran.

9.       Workshop on Industrial System and Control, Nov. 2, 1998, KFUPM, Dhahran.

10.   Workshop on Matrix Theory and Applications, Tuesday, December 16, 1997, KFUPM, Dhahran. (Member of the committee)

11.   ONA'99 International Conference on Optimization and Numerical Sep. 26 - 30, 1999, Nanjing Normal University, Nanjing, China. (Paper presented)

12.   The Fifth Meeting for Saudi Association for Mathematical Science, King Saud University, Riyadh, Saudi Arabia, 11th - 12th April 2000. (Paper presented)

13.   International Conference on Advances in Convex Analysis and Global Optimization in the university of Aegean,  Samos, Greece in June 5-9, 2000 .(paper presented)

14.   Workshop on Professional Ethics: Concepts, Experiences, Obstacles. Tuesday, February 12-13,  2001, KFUPM, Dhahran. (Member of the committee).

15.   First International Conference on Industrial and Applied Mathematical in Indian Subcontinent  and Vith Annual Conference of ISIAM, Amritsar, India, January 22-25, 2001. (Paper presented)

16.   The Sixth International Conference on Approximation and Optimization in the Caribbean In Guatemala at March 25 - 30, 2001. (paper presented,

17.   The First Saudi Science Conference, KFUPM, Dhahran, 9-11 April 2001. (Session Chairman)

18.  2nd WSEAS Multiconference on Applied and Theoretical Mathematics, In Cairns, Australia ,  17-21 Dec. 2001. (paper presented).

19.  The Fourth ISAAC Congress,  York University, Toronto, Canada,  August 11-16, 2003  (paper presented).

20.  McMaster Optimization Day, Information Technology Building (ITB), Room 137, McMaster University, Hamilton, Ontario,  May 10, 2004.

21.  Short Courses on SDP: Theory, Algorithms and Applications, University of Waterloo Waterloo, Ontario Canada, 12 May 2004.

22.  Large Scale Nonlinear and Semidefinite Programming Workshop, University of Waterloo Waterloo, Ontario Canada, 13- 15, May 2004.

23.  4th Annual McMaster Optimization Conference: Theory and Applications (MOPTA 04). McMaster University, Hamilton, Ontario,  July 28-30, 2004.

24.  Workshop on Introduction to WebCT, KFUPM, Dhahran,  Sep 19 - 28, 2004

25.   The Eighth SIAM Conference on Optimization.  Sponsored by  SIAM. At Stockholm, Sweden.  From  May 15, 2005 to May 19, 2005. (paper presented).

26.  The annual conference of ANZIAM 2006. Sponsored by AMSI. At Mansfield in Victoria  Australia. From February 5 to  February  9 2006. (paper presented).


1.       Principal Investigator of   SABIC and Fast Track   Project  # FT/2000-04, Titled, " Toeplitz and Hankel Matrix Approximation"  Funded by KFUPM, December 2000 - May 2002   (Budget 51,000 Saudi Riyals). Final report approved by the university.

2.       Co-Investigator On the   Project  #37994, Titled, " Installations Model for Gas Ambush, Gas Condensed and  Light Oil  "  Funded Through Research Institute,  KFUPM. In Progress.

3.       Principal Investigator of the British Council project   "New Algorithm  for Solving the Euclidean Distance Matrix Problem", Funded by the British Council, Summer 2000 (Budget 27,000 Saudi Riyals)

4.       Principal Investigator of the British Council project   " New Algorithm  for Solving the Symmetrizable Positive Definite  Matrix Problem", Funded by the British Council, Summer 2003 (Budget 27,000 Saudi Riyals)

5.       Principal Investigator of   SABIC and Fast Track   Project  # FT/2005-07, Titled, " Semi-definite Programming for the educational Testing problems" Funded by KFUPM,  1/9/2005 - 1/8/200612 months      In Progr.

6.       Ekeland’s Variational Principles for Equilibrium Problems and their Applications         Q. H. Ansari       Suliman Homidan(CI)      KFUPM/FT         FT-0506-09       1/1/1900 - 1/1/1900