gs_P.Q.Khanh 

 

 
DSc PHAN QUOC KHANH, PROFESSOR

Ph.D. 1978, Doctor of Science 1988

Associate Professor 1984, Professor 1992

Fellow of The World Academy of Sciences (TWAS),

for the advance of science in developing countries 2013

Senior (high-ranked) researcher

phanquockhanh@tdtu.edu.vn; pqkhanhus@gmail.com

 

A. Education and professional activities

1. Education and degrees

  • 1984 1987Doctor of Science, Optimization, Mathematics, Institute of Mathematics, Polish Academy of Sciences
  • 1975 1978: Ph.D., Optimization, Mathematics, Institute of Mathematics, Polish Academy of Sciences
  • 1964 1968BS, Vietnam University, Hanoi, Vietnam

 

2. Professional activities

  • 2021– ongoing: Senior researcher, Ton Duc Thang University
  • 2020-2021: Scientific counselor, Hong Bang International University
  • 2003-2020: High-ranked faculty member, International University, VNU-HCM
  • 1993-2003: High-ranked faculty member, Ho Chi Minh City University, from 1996: University of Science, VNU-HCM
  • 1968 – 1993: Faculty member, Military Technical University, from 1980 called Military Academy of Technology

 

3. Research interests

      Nonsmooth optimization: optimality conditions, duality

      Equilibrium problems

      Solution existence, stability and sensitivity, well-posedness

      Variational convergence

      Approximations in optimization

      Ekeland’s variational principle

      Variational analysis

       Mathematical programming

       Operations Research

       Stochastic optimization

       Optimal Control 

4. Editorial board membership

Optimization (2017 - ongoing), Acta Mathematica Vietnamica (2002-2009), Vietnam Journal of Mathematics (1995-2001, 2010-2017), Vietnam Journal of Applications of Mathematics (2011-2021), Thai Journal of Mathematics (2012 - ongoing), Nonlinear Analysis and Optimization (2013-ongoing), Journal of Fixed Point Theory (2013 - ongoing), Mathematical Analysis and Convex Optimization (2018 - ongoing,  Journal of Applied and Numerical Optimization (2018 - ongoing), Control and Cybernetics (2016 - ongoing)

5. Membership in professional societies

Member of National Committee for Professorship in Mathematics (2001  ongoing)

Fellow of The World Academy of Sciences (TWAS), for the advance of science in developing countries (2013 - ongoing)

Vice President of Vietnam Mathematical Society (2008-2018), member of the Executive Committee of this society (1994-2018)

Member of Scientific Committee, Vietnam Institute for Advanced Study in Mathematics (VIASM) (2011-2018)

Vice president of Mathematical Scientific Committee, National Foundation for Science and Technology Developments (NAFOSTED) (2009-2018)

Member of: American Mathematical Society (1989  ongoing), Southeast Asian Mathematical Society (2000 - ongoing), Working Group on Generalized Convexity (1997 - ongoing), Pacific Optimization Research Activity Group (2008 - ongoing)

6. Principal investigator of research projects

10. Variational analysis in studies of properties of solution sets of optimization and equilibrium problems, Nafosted, project 101.01-2017.25, 2017-2020

9. Multiplier rules, existence, approximation, and stability of solutions of optimization problems, VNU-HCM, project B2018-28-02, 2018-2020

8. Selected topics in variational analysis and optimization, VNU-HCM, project B2015-28-03, 2015-2017

7. Nonsmooth optimization: optimality conditions and solution-set properties, Nafosted, project 101.01-2014.62, 2015-2017

6. Generalized derivatives and nonsmooth optimization, ĐHQG-HCM, project B2013-28-01, 2013-2014

5. Selected topics in variational analysis with applications in optimization, Nafosted, project 101.01-2011.10, 2012-2014

4. Some qualitative studies on existence, stability and optimality conditions, Nafosted, project 1.01.03.53.09, 2009-2011

3. Contributions to optimality conditions and properties of solution sets, a project of Ministry of Science and Technology 1 048 06, 2006-2008

2. Solution existence, stability, and algorithms for variational inequalities and nonsmooth optimization,

project of Ministry of Science and Technology 110504, 2004-2005

1. Selected topics for variational inequalities and optimization, project of Ministry of Science and Technology 110401, 2001-2003

 

7. Science and technology awards

8. Outstanding contribution to the activity of Nafosted (Commendation of the Minister of Science and Technology)

7. The best scientific publication clusters of VNU-HCM  in2015-2016 (Commendation of the President of VNU-HCM)

6. The best scientific activities of VNU-HCM in 2011-2012 (Commendation of the President of VNU-HCM)

5. The best scientific publication clusters of VNU-HCM in 2010-2011 (Commendation of the President of VNU-HCM)

4. The best scientific publication clusters of VNU-HCM in 2009-2010 (Commendation of the President of VNU-HCM)

3. The best scientific researcher of VNU-HCM in 15 years 1995-2010 (Commendation of the President of VNU-HCM)

2. The best scientific publication clusters of VNU-HCM in 2008-2009 (Commendation of the President of VNU-HCM)

1. The best scientific publication clusters of VNU-HCM in 2007-2008 (Commendation of the President of VNU-HCM)

 

8. Supervision

I supervised 20 Ph.D. and 125 Masters. Here are 20 Ph.D.

1. Hồ Ước, Timetable problems and applications in academic management for Military Academy of Technology, 1983-1986, Military Academy of Technology

2. Nguyễn Thiện Luận, Holder subdifferentials and optimality conditions in nonsmooth optimization, 1984-1988, Military Academy of Technology 

3. Trần Thị Huệ Nương, Smooth-convex problems in vector optimization and the Pontryagin maximum principle in optimal control with state constraints, 1985-1989, Warsaw University of Technology, Ph.D. degree of Poland

4. Lê Minh Lưu, Parametric optimization: optimality conditions and variational inequalities (in Vietnamese), 1998-2002, University of Science, VNU-HCM

5. Nguyễn Đình Tuấn, Optimality conditions. and the solution uniqueness in nonsmooth optimization, 2003-2007, Cotutelle thesis at University of Science, VNU-HCM (two Ph.D. degrees of Vietnam and France)

6. Nguyễn Xuân Hải, The solution existence in equilibrium problems and extended problems, 2004-2007, Cotutelle thesis at University of Science, VNU-HCM (two Ph.D. degrees of Vietnam and France)

7. Lâm Quốc Anh, Stability of solutions to equilibrium problems and related problems, 2004-2007, Cotutelle at University of Science, VNU-HCM (two Ph.D. degrees of Vietnam and France)

8. Đinh Ngọc Quý, Ekeland’s variational principle and related, 2007-2011, Cotutelle thesis at University of Science, VNU-HCM (two Ph.D. degrees of Vietnam and France)

9. Lê Thanh Tùng, On generalized derivatives, optimality conditions and uniqueness of solutions in nonsmooth optimization, 2007-2011, Cotutelle at University of Science, VNU-HCM (two Ph.D. degrees of Vietnam and France)

10. Nguyễn Hồng Quân, Some important theorems in the KKM theory and applications to general optimization, 2011-2013, University of Science, VNU-HCM

11. Nguyễn Lê Hoàng Anh, Selected topics in variational analysis and optimization, 2011-2014, Cotutelle thesis at University of Science, VNU-HCM (two Ph.D. degrees of Vietnam and France)

12. Nguyễn Hiếu Thảo, About regularity properties in variational analysis and applications in optimization, 2012-2015, Federation University Australia (Ph.D. degree of Australia)

13. Nguyễn Minh Tùng, Optimality conditions and duality theory in nonsmooth optimization, 2012-2015, University of Science, VNU-HCM

14. Võ Sĩ Trọng Long, Some existence theorems in nonlinear analysis and applications to optimization-related problems, 2013-2015, University of Science, VNU-HCM

16. Trần Trịnh Minh Sơn, Regularity properties of solutions of optimization problems (in Vietnamese), 2012-2016, Da Lat University

17. Trần Quốc Duy, Stability and Tikhonov well-posedness for lexicographic equilibrium problems (in Vietnamese), 2013-2017, University of Science, VNU-HCM

18. Trần Ngọc Tâm, Holder continuity of solutions and Holder well-posedness of equilibrium problems (in Vietnamese), 2013-2017, University of Science, VNU-HCM

19. Lê Phước Hải, Selected topics on the Ekeland variational principle oriented to various applications (in Vietnamese), University of Science, VNU-HCM

20. Nguyễn Xuân Duy Bảo, Optimality conditions in nonsmooth optimization and related issues (in Vietnamese), 2019-2022, University of Science, VNU-HCM

 

9. Visits to international scientific institutions

1. Karlsruhe Institute of Technology, Karlsruhe, 2 times: 7-1989 and 8-1990

2. University of Montreal, Canada, 10-1998 to 11-1998

3. Institute of Mathematics, Polish Academy of Sciences, Warsaw, Poland, 3 times: 7-1989 to 12-1989, 7-1990 to 12-1990, 7-1991 to 12-1991

4. University of Katovice, Katovice, Poland, 7-1988

5. University of Namur, Namur, Belgium, 4 times: 10-1997 to 12-1997, 8-1998 to 12-1998, 8-2001 to11-2001, 9-2007 to 12.2007

6. University of Limoges, France, 8-1997 to 9-1997

7. National Institute of Applied Sciences, Rouen, France, 7-1997 to 8-1997

8. University of Avignon, Avignon, 2 times: 11-2001 and 4-2003

9. University of Trier, Germany, 3 times: 10-1997, 10-1998, and 10-2007

10. University of the Philippines, Manila, Philippines, 7-1998

11. Columbia University, New York City, USA, 9-1998

12. State San Francisco University, 10-1998

13. University of California Los Angeles, 10-1998

14. National Pukyong University, Busan, Korea, 2 times: 12-2002 and 7-2006

15. University of Pau, France, 3-2003 to 4-2003

16. National Sun Yat-Sen University, Kaohsiung, Taiwan, one year: 1-2008 to 1-2009

17. Banaras Hindu University, Varanasi, India, 3-2009

18. Indian Institute of Technology, Kanpur, India, 4-2009

19. University of Delhi, New. Delhi, India, 5-2009

20. University of Saint Malaysia, Penang, Malaysia, 6-2009

21. University of Ballarat (Federation University Australia), Australia, 3 times: 7-2009, 7-2012, 7-2014

22. University of California Davis, U.S.A., 3 times: 1 year 9-2009 to 9-2010, 1-2015, and 6-2015 to 7-2015

23. Federal University of Rio de Janeiro, Brazil, 8-2010

24. University of Chile, Santiago de Chile, 4-2011 to 6-2011

25. National Changhua University of Education, Taiwan, 11-2011 to 12-2011

26. Vietnam Institute for Advanced Study in Mathematics, 5 times: 2-2012 to 6-2012, 2-2013 to 5-2013, 2-2016 to 5-2016, 7-2018 to 12-2018, 6-2020 to 8-2020

27. Royal Melbourne Institute of Technology, Melbourne, Australia, 8-2009

28. Naresuan University and Chiang Mai University, Thailand, 2 times: 12-2012 and 7-2014

29. King Mongkut’s University of Technology, Bangkok, Thailand, 7-2015

30. University of Bourgogne, Dijon, France, 2 times: 5-2013 to 6-2013 and 7-2017

31. Harbin Normal University, China, 6-2013 to 7-2013

32. Banach International Center, Polish Acad. Sci., 8-2017

33. Departamento de Matemática Aplicada, Industriales Universidad Nacional de Educación a Distancia, Madrid, Spain, 2 times: 8-2017 to 9-2017 and 7-2018

34. The Abdus Salam International Centre for Theoretical Physics (ICTP), Trieste, Italy, 11-2018

 

B. Publications

 

1. Books

7. Lam Quoc Anh, Phan Quoc Khanh, Nguyen Hong Quan, Equilibrium Problems: Existence, Stability, and Approximation, Springer Monograph, in press 2022

6. Phan Quốc Khánh, Operations Research (in Vietnamise,Textbook), Education Publishers, 2002, many-time reprinted

5. Phan Quốc Khánh, Some Advanced Courses (in Vietnamise, Textbook), VNU-HCM Publishers, 2000

4. Phan Quốc Khánh, Trần Huệ Nương, Linear Programming (in Vietnamise, Textbook), Education Publishers, 2000, many-time reprinted

3. Phan Quốc Khánh, Differential and Integral Calculus, Volume 2 (in Vietnamise, Textbook), Education Publishers, 1997, many-time reprinted

2. Phan Quốc Khánh, Differential and Integral Calculus, Volume 1, Education Publishers, 1996, many-time reprinted

1. Phan Quốc Khánh, Functional Analysis Methods in Optimal Control ((in Vietnamise, Monograph), Science and Technology Publishers, 1985

 

 

2. Papers in international journals

138. Le Phuoc Hai, Phan Quoc Khanh, Antoine Soubeyran, General versions of the Ekeland variational principle. Ekeland points and stop and go dynamics, J. Optimization Theory and Applications, online first 2022, doi.org/10.1007/s10957-022-02087-y (ISI, Q1)

137. Huynh Thi Hong Diem, Somaye Jafari, Phan Quoc Khanh, Sirous Moradi, Conditions for solutions, their globality and their duality relations in vector optimization with relaxed quasiconvexity, Positivity, Vol. 26, no. 3, paper no. 51, 21 pp, 2022 (ISI, Q2)

136. Phan Quoc Khanh, Le Thanh Tung, On optimality conditions  and duality for multiobjective optimization with equilibrium constraints, Positivity, onlinefirst 2022 (ISI, Q2)

135. Nguyen Xuan Duy Bao, Phan Quoc Khanh, Nguyen Minh Tung, Quasi-contingent derivatives and studies of higher-orders in nonsmooth optimization, J. Global Optimization, Vol. 84, no. 1, 205-228, 2022 (ISI, Q1)

134. Nguyen Xuan Duy Bao, Phan Quoc Khanh, Nguyen Minh Tung, On necessary optimality conditions with higher-order complementarity slackness for set-valued optimization problems, Set-Valued and Variational Analysis, Vol. 30, no. 2, 465–486, 2022 (ISI, Q1)

133. Phan Quoc Khanh, Nguyen Hong Quan, A unified study of existence theorems in topologically based settings and applications in optimization, Optimization, Vol. 71, no. 9, 2547–2569, 2022 (ISI, Q1)

132. Lam Quoc Anh, Phan Quoc Khanh, Dang Thi My Van, On well-posedness for perturbed quasi-equilibrium and quasi-optimization problems, Numerical Functional Analysis and Optimization, Vol. 42, no. 5, 583-607, 2021 (ISI, Q2, in some years Q1)

131. Lam Quoc Anh, Tran Quoc Duy, Phan Quoc Khanh, Levitin-Polyak well-posedness for equilibrium problems with the lexicographic order, Positivity, Vol. 25, no. 4, 1323–1349, 2021 (ISI, Q2)

130. Phan Quoc Khanh, Juan-Enrique Martinez-Legaz, Christiane Tammer, Rene Henrion, Preface, Special issue dedicated to the 65th birthday of Alexander Kruger, Optimization, Vol. 69, no. 12, 2509-2514, 2020 (ISI, Q1)

129. Phan Quoc Khanh, Duong Viet Thong, Nguyen The Vinh, Versions of the subgradient extragradient method for pseudomonotone variational inequalities, Acta Applicandae Mathematicae, Vol. 170, 319–345, 2020 (ISI, Q2)

128. Phan Quoc Khanh, Vo Si Trong Long, General theorems of the Knaster-Kuratowski-Mazurkiewicz type and applications to the existence study in optimization, Optimization, Vol. 69, no. 12, 2695–2717, 2020 (ISI, Q1)

127. Phan Quoc Khanh, Nguyen Minh Tung, On the Mangasarian-Fromovitz constraint qualification and Karush-Kuhn-Tucker conditions in nonsmooth semi-infinite multiobjective programming, Optimization Letters, Vol. 14, 2055-2072, 2020 (ISI, Q1)

126. Huynh Thi Hong Diem, Phan Quoc Khanh, Epi/hypo-convergence of bifunctions on general domains and approximations of quasi-variational problems, Set-Valued and Variational Analysis, Vol. 28, 519-536, 2020 (ISI, Q1)

125. Le Phuoc Hai, Phan Quoc Khanh, An induction theorem and Ekeland's variational principle in partial metric spaces with applications, Optimization, Vol. 69, no. 7–8, 1481–1511, 2020 (ISI, Q1)

124. Le Phuoc Hai, Lidia Huerga, Phan Quoc Khanh, Vicente Novo, Variants of the Ekeland variational principle for approximate proper solutions of vector equilibrium problems, J. Global Optimization, Vol. 74, 361-382, 2020 (ISI, Q1)

123. Phan Quoc Khanh, Nguyen Hong Quan, Versions of the Weierstrass theorem for bifunctions and the solution existence in optimization, SIAM J. Optimization, Vol. 29, no 2, 1502-1523, 2019 (ISI, Q1)

122. Phan Quoc Khanh, Nguyen Hong Quan, A fixed-component point theorem and applications, Bull. Malays. Math. Sci. Soc.  Vol. 42, 503-520, 2019 (ISI, Q2)

121. Lam Quoc Anh, Phan Quoc Khanh, Tran Ngoc Tam, Continuity of approximate solution maps of primal and dual vector equilibrium problems, Optimization Letters, Vol. 13, 201-211, 2019 (ISI, Q1)

120. Phan Quoc Khanh, Nguyen Minh Tung, Existence and boundedness of second-order Karush-Kuhn-Tucker multipliers for set-valued optimization with variable ordering structures, Taiwanese J. Mathematics, Vol. 22, No. 4, pp. 1001-1029, 2018 (ISI, Q2)

119. Phan Quoc Khanh, Nguyen Minh Tung, Higher-order Karush-Kuhn-Tucker conditions in nonsmooth optimization, SIAM J. Optimization, Vol. 28, no. 1, 820-848, 2018 (ISI, Q1)

118. Phan Quoc Khanh, Vo Si Trong Long, Fixed points, continuous selections and existence of solutions of optimization-related problems, Numerical Functional Analysis and Optimization, Vol. 39, no. 1, 100-125, 2018 (ISI, Q1)

117. Truong Quang Bao, Pankaj Gupta, Phan Quoc Khanh, Necessary optimality conditions for minimax programming problems with mathematical constraints, Optimization, Vol. 66, no.11, 1755-1766, 2017 (ISI, Q1)

116. Phan Quoc Khanh, Vo Si Trong Long, Weak finite intersection characterizations of existence in optimization, Bulletin of Malaysian Mathematical Science Society, Vol 41. 41, 855–877, 2018 (ISI, Q2)   115. Nguyen Le Hoang Anh, Phan Quoc Khanh, Higher-order Karush-Kuhn-Tucker optimality conditions for set-valued optimization with nonsolid ordering cones, Positivity, Vol. 21, no. 3, 931-953, 2017 (ISI, Q2)

114. S. Jafari, A.P. Farajzadeh, S. Moradi, P.Q. Khanh, Existence results for φ-quasimonotone equilibrium problems in convex metric spaces, Optimization, Vol. 66, 293-310, 2017 (ISI, Q1)            113. Phan Quoc Khanh, Le Minh Luu, Tran Trinh Minh Son, On the stability and Levitin-Polyak well-posedness of parametric multiobjective generalized games, Vietnam J. Mathematics, Vol. 44, 857-871, 2016 (ESCI, Q3)

112. Truong Quang Bao, Phan Quoc Khanh, Antoine Soubeyran, Variational principles with generalized distances and the modelization of organizational change, Optimization, Vol. 65, no. 12, 2040-2066, 2016 (ISI, Q1)

111. Phan Quoc Khanh, Nguyen Minh Tung: Second-order conditions for open-cone minimizers and firm minimizers in set-valued optimization subject to mixed constraints. Journal of Optimization Theory and Applications 171(1): 45-69, 2016 (ISI, Q1)

110. Lam Quoc Anh, Tran Quoc Duy, Phan Quoc Khanh, Continuity properties of solution maps of parametric lexicographic equilibrium problems, Positivity, Vol. 20, 61-80, 2016 (ISI, Q2)                    

109. Phan Quoc Khanh, Alexander Kruger, Nguyen Hieu Thao, An induction theorem and nonlinear regularity models, SIAM J. Optimization, Vol. 25, No. 4, 2561–2588, 2015 (ISI, Q1)

108. Phan Quoc Khanh, Nguyen Minh Tung, First and second-order optimality conditions without differentiability in multivalued vector optimization, Positivity, Vol. 19, no. 4, 817-841, 2015 (ISI, Q2)

107. Phan Quoc Khanh, Nguyen Minh Tung, Second-order optimality conditions with the envelope-like effect for set-valued optimization, J. Optimization Theory Applications, Vol. 167, 68-90, 2015 (ISI, Q1)

106. Huynh Thi Hong Diem, Phan Quoc Khanh, Approximations of optimization-related problems in terms of variational convergence, Vietnam J. Mathematics, Vol. 44, 399-417, 2016 (ESCI, Q3)

105. Huynh Thi Hong Diem, Phan Quoc Khanh, Criteria for epi/hypo convergence of finite-valued bifunctions, Vietnam J. Mathematics, Vol. 43, 439-458, 2015 (ESCI, Q3)

104. Phan Quoc Khanh, Le Thanh Tung, First and second-order optimality conditions for multiobjective fractional programming, TOP, Vol. 23, 419-440, 2015 (ISI, Q2)

103. Lam Quoc Anh, Phan Quoc Khanh, Tran Ngoc Tam, On Holder continuity of solution maps of parametric primal and dual equilibrium problems, TOP, Vol. 23, 151-167, 2015 (ISI, Q2)

102. Phan Quoc Khanh, Nguyen Hong Quan, Topologically-based characterizations of the existence of solutions to optimization-related problems, Mathematische Nachrichten 288(17): 2057–2078, 2015 (ISI, Q1)

101. Phan Quoc Khanh, Nguyen Dong Yen, Preface, Vietnam J. Mathematics, Vol. 42. 407-408, 2014 (ESCI, Q3)

100. Lam Quoc Anh, Phan Quoc Khanh, Dinh Ngoc Quy, About semicontitunity of set-valued maps and stability of quasivariational inclusions, Set-Valued and Variational Analysis, Vol. 22, 533–555, 2014 (ISI, Q1)

99. Nguyen Le Hoang Anh, Phan Quoc Khanh, Calculus and applications of Studniarski’s derivative to sensitivity and implicit function theorems, Control and Cybernetics, Vol. 43 (2014) No. 1, 33-57 (Scopus, Q3)

98. Phan Quoc Khanh, Lai Jiu Lin, Vo Si Trong Long, On topological existence theorems and applications to optimization-related problems. Mathematical Method of Operational Research, Vol. 79, 253-272, 2014 (ISI, Q2)

97. Phan Quoc Khanh, Nguyen Minh Tung, Optimality conditions and duality for nonsmooth vector equilibrium problems with constraints, Optimization, Vol. 64, No. 7, 1547–1575, 2015 (ISI, Q1)

96. Phan Quoc Khanh, Somyot Plubtieng, Kamonrat Sombut, LP Well-Posedness for Bilevel Vector Equilibrium and Optimization Problems with Equilibrium Constraints, Abstract and Applied Analysis, Article ID 792984, 7 pages, 2014 (ISI, Q2)

100. Lam Quoc Anh, Phan Quoc Khanh, Dinh Ngoc Quy, About semicontitunity of set-valued maps and stability of quasivariational inclusions, Set-Valued and Variational Analysis, Vol. 22, 533–555, 2014 (ISI, Q1)

99. Nguyen Le Hoang Anh, Phan Quoc Khanh, Calculus and applications of Studniarski’s derivative to sensitivity and implicit function theorems, Control and Cybernetics, Vol. 43 (2014) No. 1, 33-57 (Scopus, Q3)

98. Phan Quoc Khanh, Lai Jiu Lin, Vo Si Trong Long, On topological existence theorems and applications to optimization-related problems. Mathematical Method of Operational Research, Vol. 79, 253-272, 2014 (ISI, Q2)

97. Phan Quoc Khanh, Nguyen Minh Tung, Optimality conditions and duality for nonsmooth vector equilibrium problems with constraints, Optimization, Vol. 64, No. 7, 1547–1575, 2015 (ISI, Q1)

96. Phan Quoc Khanh, Somyot Plubtieng, Kamonrat Sombut, LP Well-posedness for bilevel vector equilibrium and optimization problems with equilibrium constraints, Abstract and Applied Analysis, Article ID 792984, 7 pages, 2014 (ISI, Q2)

95. Lam Quoc Anh, Phan Quoc Khanh, Tran Ngoc Tam, Dang Thi My Van, On Holder calmness and Holder well-posedness of vector quasiequilibriump problems, Vietnam J. Mathematics, Vol. 41, 507-517, 2013 (ESCI, Q3)

94. Phan Quoc Khanh, Nguyen Hong Quan, A topological characterization of the existence of fixed points and applications, Mathematische Nachrichten, Vol. 287, No. 2–3, 281–289, 2014 (ISI, Q1)

93. Huynh Thi Hong Diem, Phan Quoc Khanh, Le Thanh Tung, On higher-order sensitivity analysis in nonsmooth vector optimization, J. Optimization Theory Applications, Vol. 162, 463–488, 2014 (ISI, Q1)

92. Nguyen Le Hoang Anh, Phan Quoc Khanh, Higher-order conditions for proper efficiency in nonsmooth vector optimization using radial sets and radial derivatives, J. Global Optimization, Vol. 56, 519-536, 2014 (ISI, Q1)

91. Nguyen Le Hoang Anh, Phan Quoc Khanh, Variational sets of perturbation maps and applications to sensitivity analysis for constrained vector optimization, J. Optimization Theory Applications, Vol. 158, 363-384, 2013 (ISI, Q1)

90. Phan Quoc Khanh, Vo Si Trong Long, Invariant-point theorems and existence of solutions to optimization-related problems, J. Global Optimization, Vol. 58, 545–564, 2014 (ISI, Q1)

89. Phan Quoc Khanh, Nguyen Dinh Tuan, Second-order optimality conditions with the envelope-like effect in nonsmooth multiobjective mathematical programming II: optimality conditions, J. Math. Anal. Appl., Vol. 403, 703-714, 2013 (ISI, Q1)

88. Phan Quoc Khanh, Nguyen Dinh Tuan, Second-order optimality conditions with the envelope-like effect in nonsmooth multiobjective mathematical programming I: l-stability and set-valued directional derivatives, J. Math. Anal. Appl., Vol. 403, 695–702, 2013 (ISI, Q1)

87. Phan Quoc Khanh, Nguyen Dinh Tuan, Second-order optimality conditions with the envelope-like effect for nonsmooth vector optimization in infinite dimensions, Nonlinear Analysis, TMA, Vol. 77, 130-148, 2013 (ISI, Q1)

86. Phan Quoc Khanh, Le Minh Luu, Tran Trinh Minh Son, Well-posedness of a parametric traffic network problem, Nonlinear Analysis, Real World Applications, Vol, 14, 1643-1654, 2013 (ISI, Q1)

85. Phan Quoc Khanh, Dinh Ngoc Quy, Versions of Ekeland’s variational principle involving set perturbations, J. Global Optimization, Vol. 57, 951-968, 2013 (ISI, Q1)

84. Phan Quoc Khanh, Le Thanh Tung, first and second-order optimality conditions using approximations for vector equilibrium problems with constraints, J. Global Optimization, Vol. 55, 901-920, 2013 (ISI, Q1)

83. Nguyen Le Hoang Anh, Phan Quoc Khanh, Higher-order optimality conditions in set-valued optimization using radial sets and radial derivatives, J. Global Optimization, Vol. 56, 519-536, 2013 (ISI, Q1)

82. Phan Quoc Khanh, Nguyen Dinh Tuan, Second-order optimality conditions with the envelope-like effect for nonsmooth vector optimization in infinite dimensions, Nonlinear Analysis, TMA, Vol. 77, 130-148, 2013 (ISI, Q1)

88. Phan Quoc Khanh, Nguyen Dinh Tuan, Second-order optimality conditions with the envelope-like effect in nonsmooth multiobjective mathematical programming I: l-stability and set-valued directional derivatives, J. Math. Anal. Appl., Vol. 403, 695–702, 2013 (ISI, Q1)

87. Phan Quoc Khanh, Nguyen Dinh Tuan, Second-order optimality conditions with the envelope-like effect for nonsmooth vector optimization infinite dimensions, Nonlinear Analysis, TMA, Vol. 77, 130-148, 2013 (ISI, Q1)

86. Phan Quoc Khanh, Le Minh Luu, Tran Trinh Minh Son, Well-posedness of a parametric traffic network problem, Nonlinear Analysis, Real World Applications, Vol, 14, 1643-1654, 2013 (ISI, Q1)

85. Phan Quoc Khanh, Dinh Ngoc Quy, Versions of Ekeland’s variational principle involving set perturbations, J. Global Optimization, Vol. 57, 951-968, 2013 (ISI, Q1)

84. Phan Quoc Khanh, Le Thanh Tung, first and second-order optimality conditions using approximations for vector equilibrium problems with constraints, J. Global Optimization, Vol. 55, 901-920, 2013 (ISI, Q1)

83. Nguyen Le Hoang Anh, Phan Quoc Khanh, Higher-order optimality conditions in set-valued optimization using radial sets and radial derivatives, J. Global Optimization, Vol. 56, 519-536, 2013 (ISI, Q1)

82. Phan Quoc Khanh, Nguyen Dinh Tuan, Second-order optimality conditions with the envelope-like effect for nonsmooth vector optimization infinite dimensions, Nonlinear Analysis, TMA, Vol. 77, 130-148, 2013 (ISI, Q1)

81. Phan Quoc Khanh, Le Thanh Tung, Local uniqueness of solutions to a Ky Fan vector inequality using approximations as derivatives, J. Optimization Theory Applications, Vol. 155, 840-854, 2012 (ISI, Q1)

80. Lam Quoc Anh, Phan Quoc Khanh, Dang Thi My Van, Well-posedness with relaxed semicontinuity for bilevel equilibrium and optimization problems with equilibrium constraints, J. Optimization Theory Applications, Vol. 153, 42-59, 2012 (ISI, Q1)

79. Phan Quoc Khanh, Dinh Ngoc Quy, On Ekeland’s variational principle for Pareto minima of set-valued mappings, J. Optimization Theory Applications, Vol. 153, 280-297, 2012 (ISI, Q1)

78. Lam Quoc Anh, Phan Quoc Khanh, Tran Ngoc Tam, On Holder continuity of approximate solutions to parametric equilibrium problems, Nonlinear Analysis, TMA, Vol. 75, 2293-2303, 2012 (ISI, Q1)

77. Phan Quoc Khanh, Vo Si Trong Long, Nguyen Hong Quan, Continuous selections, collectively fixed points and weak Knaster-Kuratowski-Mazurkierwicz mappings in optimization, J. Optimization Theory Applications, Vol. 151, 552-572, 2011 (ISI, Q1)

76. Lam Quoc Anh, Phan Quoc Khanh, Dang Thi My Van, Well-posedness without semicontinuity for parametric quasiequilibria and quasioptimization, Computers and Mathematics with Applications, Vol. 62, no. 4, 2045-2057, 2011 (ISI, Q1)

75. Nguyen Le Hoang Anh, Phan Quoc Khanh, Le Thanh Tung, Higher-order radial derivatives and optimality conditions in nonsmooth vector optimization, Nonlinear Analysis, TMA, Vol. 74, 7365-7379, 2011 (ISI, Q1)

74. Phan Quoc Khanh, Nguyen Dinh Tuan, Corrigendum: "Optimality conditions using approximations for nonsmooth vector optimization problems under general inequality constraints", J. Convex Analysis, Vol. 18, 897-901, 2011 (ISI, Q1)

73. Phan Quoc Khanh, Nguyen Hong Quan, Generic stability and essential components of generalized KKM points and applications, J. Optimization Theory Applications, Vol. 148, 488-504, 2011 (ISI, Q1)

72. Phan Quoc Khanh, Nguyen Dinh Tuan, Second-order optimality conditions using approximations for nonsmooth vector optimization problems under inclusion constraints, Nonlinear Analysis,TMA, Vol. 74, 4338-4351, 2011 (ISI, Q1)

71. Nguyen Le Hoang Anh, Phan Quoc Khanh, Le Thanh Tung, Variational sets: calculus applications to optimality conditions in nonsmooth vector optimization, Nonlinear Analysis, TMA, Vol. 74, 2358-2379, 2011 (ISI, Q1)

70. Phan Quoc Khanh, Ho Thuc Quyen, Jen-Chih Yao, Optimality conditions under relaxed quasiconvexity assumptions using star and adjusted subdifferentials, European J. Operational Research, Vol. 212, 235-241, 2011 (ISI, Q1)

69. Phan Quoc Khanh, Nguyen Dinh Tuan, Optimality conditions without continuity in multivalued optimization using approximations as generalized derivatives, Recent Contributions in Nonconvex Optimization, ed. S.K. Mishra, Springer, 47-61, 2011

68. Phan Quoc Khanh, Dinh Ngoc Quy, On generalized Ekeland’s variational principle and equivalent formulations for set-valued mappings, J. Global Optimization, Vol. 49, 381-396, 2011 (ISI, Q1)

67. Phan Quoc Khanh, Dinh Ngoc Quy, A generalized distance and Ekeland’s variational principle for vector functions, Nonlinear Analysis, Vol. 73, 2245-2259, 2010 (ISI, Q1)

66.  Phan Quoc Khanh, Nguyen Hong Quan, The solution existence of general inclusions using generalized KKM theorems with applications to minimax problems, J. Optimization Theory Applications, Vol 146, 1, 640-563, 2010 (ISI, Q1)

65. Phan Quoc Khanh, Nguyen Hong Quan, Intersection theorems, coincidence theorems and maximal element theorems in GFC-spaces, Optimization, Vol. 59, no. 1, 1-10, 2010 (ISI, Q1)

64. Phan Quoc Khanh, Nguyen Hong Quan, General existence theorems, alternative theorems and applications to minimax problems, Nonlinear Anal., Vol. 72, 2706-2715, 2010 (ISI, Q1)

63. Lam Quoc Anh, Phan Quoc Khanh, Continuity of solution maps to quasiequilibrium problems, J. Global Optimization, Vol. 46, 247-259, 2010 (ISI, Q1) Phan Quoc Khanh, Nguyen Hong Quan, Existence conditions for   quasivariational     inclusion problems in G-convex spaces, Acta Mathematica Vietnamica, Vol. 34, no. 1, 1-10, 2009

62. Nguyen Xuan Hai, Phan Quoc Khanh, Nguyen Hong Quan, Some existence theorems in nonlinear analysis for mappings on GFC-spaces and applications, Nonlinear Anal., Vol. 71, 6170-6181, 2009 (ISI, Q1)

61. Lam Quoc Anh, Phan Quoc Khanh, Sensitivity analysis for weak and strong vector quasiequilibrium problems, Vietnam J. Mathematics, Vol. 37, no. 2&3, 237-253, 2009

60. Nguyen Xuan Hai, Phan Quoc Khanh, Nguyen Hong Quan, On the    existence of solutions to quasivariational inclusion problems, J. Global Optimization, Vol. 45, 565-581, 2009 (ISI, Q1)

59. Lam Quoc Anh, Phan Quoc Khanh, Dang Thi My Van, Jen-Chih Yao, Well-posedness for  vector quasiequilibria, Taiwanese J. Mathematics,  Vol. 13, 713-737, no. 2B, 2009 (ISI, Q2)

58. Phan Quoc Khanh, Nguyen Hong Quan, Existence conditions for   quasivariational     inclusion problems in G-convex spaces, Acta Mathematica Vietnamica, Vol. 34, no. 1, 1-10, 2009

57. Lam Quoc Anh, Phan Quoc Khanh, Holder continuity of the unique solution to quasiequilibrium problems in metric spaces, J. Optimization Theory and Applications, Vol. 141, 37-54, 2009 (ISI, Q1)

56. Phan Quoc Khanh, Nguyen Hong Quan, Jen-Chih Yao, Generalized KKM-type theorems in GFC-spaces and applications, Nonlinear Analysis, TMA, Vol. 71, 1227-1234, 2009 (ISI, Q1)

5

55. Phan Quoc Khanh, Nguyen Dinh Tuan, Optimality conditions using approximations for nonsmooth vector optimization problems under general inequality constraints, J. Convex Analysis, Vol. 16, no. 1, 169-186, 2009 (ISI, Q1)

54. Phan Quoc Khanh, Dinh The Luc, Stability of solutions in parametric     variational relation problems, Set Valued Analysis, Vol. 16, no. 7-8, 1015-1035, 2008 (ISI, Q1)

53. Lam Quoc Anh, Phan Quoc Khanh, Semicontinuity of solution sets to parametric quasivariational inclusions with applications to traffic networks, II: Lower semicontinuities. Applications, Set-Valued Analysis, Vol. 16, no. 7-8, 943-960, 2008 (ISI, Q1)

52. Lam Quoc Anh, Phan Quoc Khanh, Sensitivity analysis for multivalued quasiequilibrium problems in metric spaces: Holder continuity of solutions, J. Global Optim., Vol. 42, no. 4, 515-531, 2008 (ISI, Q1)

51. Phan Quoc Khanh, Nguyen Dinh Tuan, Higher-order variational sets and higher-order optimality conditions for proper efficiency in multivalued vector optimization, J. Optimization Theory and Applications, Vol. 139, no. 2, 243-261, 2008 (ISI, Q1)

50. Lam Quoc Anh, Phan Quoc Khanh, Semicontinuity of the approximate solution sets of multivalued quasiequilibrium problems, Numerical Functional Analysis and Optimization, Vol. 29, no. 1-2, 24-42, 2008 (ISI, Q1)

49. Lam Quoc Anh, Phan Quoc Khanh, Semicontinuity of solution sets to parametric quasivariational inclusions with applications to traffic networks, I: Upper semicontinuities, Set-Valued Analysis, Vol. 16, no. 2-3, 267-279, 2008 (ISI, Q1)

48. Phan Quoc Khanh, Nguyen Dinh Tuan, Variational sets for multivalued mappings and a unified study of optimality conditions, J. Optimization Theory and Applications, Vol. 139, 47-65, 2008 (ISI, Q1)

47. Lam Quoc Anh, Phan Quoc Khanh, Various kinds of semicontinuity of the solution sets to symmetric multivalued vector quasiequilibrium problems, J. Global Optimization, Vol. 41, 539-558, 2008 (ISI, Q1)

46. Phan Quoc Khanh, Nguyen Dinh Tuan, First and second-order approximations as derivatives of mappings in optimality conditions for nonsmooth vector optimization, Applied Mathematics and Optimization, Vol. 58, 147-166, 2008 (ISI, Q1)

45. Nguyen Xuan Hai, Phan Quoc Khanh, The existence of approximate solutions to general quasiequilibrium problems, Vietnam Journal of Mathematics, Vol. 35, no. 4, 563-572, 2007

44. Lam Quoc Anh, Phan Quoc Khanh, Existence conditions in symmetric multivalued vector quasiequilibrium problems, Control Cybernetics, Vol. 36, no. 3, 519-530, 2007 (ISI, Q2)

43. Nguyen Xuan Hai, Phan Quoc Khanh, The solution existence of general variational inclusion problems, J. Mathematical Analysis and Applications, Vol. 328, 1268-1277, 2007 (ISI, Q1)

42. Nguyen Xuan Hai, Phan Quoc Khanh, Systems of set-valued quasivariational inclusion problems, J. Optimization Theory and Applications, Vol. 135, 55-67, 2007 (ISI, Q1)

41. Lam Quoc Anh, Phan Quoc Khanh, Uniqueness and Holder continuity of the solution to multivalued equilibrium problems in metric spaces, J. Global Optimization, Vol. 37, 449-465, 2007 (ISI, Q1)

40. Phan Quoc Khanh, Nguyen Dinh Tuan, Optimality conditions for nonsmooth multiobjective optimization using Hadamard directional derivatives, J. Optimization Theory and Applications, Vol. 133, 341-357, 2007 (ISI, Q1)

39. Lam Quoc Anh, Phan Quoc Khanh, On the stability of the solution sets of general multivalued vector quasiequilibrium problems, J. Optimization Theory and Applications, Vol. 135, 271-284, 2007 (ISI, Q1)

38. Phan Quoc Khanh, Le Minh Luu, Lower semicontinuity and upper semicontinuity of the solution sets to parametric multivalued quasivariational inequalities, J. Optimization Theory and Applications, Vol. 133, 329-339, 2007 (ISI, Q1)

37. Nguyen Xuan Hai, Phan Quoc Khanh, Existence of solutions to general quasi-equilibrium problems and applications, J. Optimization Theory and Applications, Vol. 133, 317-327, 2007 (ISI, Q1)

36. Nguyen Xuan Hai, Phan Quoc Khanh, Systems of multivalued quasiequilibrium problems, Advances in Nonlinear Variational Inequalities, Advances in Nonlinear Variational Inequalities, Vol.9, 109-120, 2006

35. Phan Quoc Khanh, Dinh The Luc, Nguyen Dinh Tuan, Local uniqueness of solutions   for equilibrium problems, Advances in Nonlinear Variational Inequalities, Vol. 9, 13-27, 2006

34. Lam Quoc Anh, Phan Quoc Khanh, On the Holder continuity of solutions to parametric multivalued vector equilibrium problems, J. Mathematical Analysis and Applications, Vol. 321, 308-315, 2006 (ISI, Q1)

33. Truong Quang Bao, Phan Quoc Khanh, Some algorithms for solving mixed variational inequalities, Acta Mathematica Vietnamica, Vol. 31, 83-103, 2006

32. Phan Quoc Khanh, Nguyen Dinh Tuan, First and second order optimality conditions using approximations for nonsmooth vector optimization in Banach spaces, J. Optimization Theory and Applications, Vol.130, 289-308, 2006 (ISI, Q1)

31. Truong Quang Bao, Phan Quoc Khanh. A projection-type algorithm for pseudomonotone nonlipschitzian multivalued variational inequalities, Chapter 6 of book “Nonconvex Optimization and Applications”, Springer, Vol. 77, New York, 113-129, 2005

30. Phan Quoc Khanh, Le Minh Luu, Some existence results for vector quasivariational inequalities involving multifunctions and applications to traffic equilibrium problems, J. Global Optimization, Vol. 32, 551-568, 2005 (ISI, Q1)

29. Phan Quoc Khanh, Le Minh Luu, Upper semicontinuity of the solution set to parametric vector quasivariational inequalities, J. Global Optimization, Vol. 32, 569-580, 2005 (ISI, Q1)

28. Phan Quoc Khanh, Le Minh Luu, On the existence of solutions to vector quasivariational inequalities and quasi-complementarity problems, J. Optimization Theory and Applications, Vol. 123, 533-548, 2004 (ISI, Q1)

27. Lam Quoc Anh, Phan Quoc Khanh, Semicontinuity of the solution sets to parametric quasi-equilibrium problems, J. Mathematical Analysis and Applications, Vol. 294, 699-711, 2004 (ISI, Q1)

26. Truong Quang Bao, Phan Quoc Khanh, Are several recent generalizations of Ekeland’s variational principle more general than the original principle? Acta Mathematica Vietnamica, Vol. 28, 345-350, 2003 (ISI, Q1)

25. Phan Quoc Khanh, Le Minh Luu, Multifunction optimization problems involving parameters: necessary optimality conditions, Optimization, Vol. 51, 577-595, 2002 (ISI, Q1)

24. Phan Quoc Khanh, Le Minh Luu, Necessary optimality conditions in problems involving set-valued maps with parameters, Acta Mathematica Vietnamica, Vol. 26, 279-295, 2001

23. Phan Quoc Khanh, Le Minh Luu, On necessary optimality conditions in multifunction optimization with parameters, Acta Mathematica Vietnamica, Vol. 25, 125-136, 2000

22. Phan Quoc Khanh, Le Minh Luu, Van Hien Nguyen, Invex–convexlike multifunctions, sufficient optimality conditions  and duality, Nonlinear Functional Analysis and Applications, Vol. 4, 87-106, 1999

21. Phan Quoc Khanh, Tran Hue Nuong, Michel Thera, On duality in nonconvex vector optimization in Banach spaces using augmented Lagrangians, Positivity, Vol. 3, 49-64, 1999 (ISI, Q2)

20. Phan Quoc Khanh, Tran Hue Nuong, Remarks on projection, orthogonality and Kuhn-Tucker complementarity conditions in normed spaces, Vietnam J. Mathematics, Vol. 24, 201 – 208, 1996

19. Phan Quoc Khanh, Sufficient optimality conditions and duality in vector optimization with invex-convexlike functions, J. Optimization Theory and Applications, Vol. 87, 359 – 378, 1995 (ISI, Q1)

18. Phan Quoc Khanh, Invex-convexlike functions and duality, J. Optimization Theory and Applications, Vol. 87, 141 – 165, 1995 (ISI, Q1)

17. Phan Quoc Khanh, Optimality conditions in vector optimization via norm scalarization, SIAM J. Control Optimization, Vol. 31, 646-658, 1993 (ISI, Q1)

16. Phan Quoc Khanh, Dinh The Luc, Problems of vector optimization, Acta Mathematica Vietnamica, Vol.17, 91- 112, 1992

25. Phan Quoc Khanh, Le Minh Luu, Multifunction optimization problems involving parameters: necessary optimality conditions, Optimization, Vol. 51, 577-595, 2002 (ISI, Q1)

24. Phan Quoc Khanh, Le Minh Luu, Necessary optimality conditions in problems involving set-valued maps with parameters, Acta Mathematica Vietnamica, Vol. 26, 279-295, 2001

23. Phan Quoc Khanh, Le Minh Luu, On necessary optimality conditions in multifunction optimization with parameters, Acta mathematica Vietnamica, Vol. 25, 125-136, 2000

22. Phan Quoc Khanh, Le Minh Luu, Van Hien Nguyen, Invex-convexlike multifunctions, sufficient optimality conditions  and duality, Nonlinear Functional Analysis and Applications, Vol. 4, 87-106, 1999

21. Phan Quoc Khanh, Tran Hue Nuong, Michel Thera, On duality in nonconvex vector optimization in Banach spaces using augmented Lagrangians, Positivity, Vol. 3, 49-64, 1999 (ISI, Q2)

20. Phan Quoc Khanh, Tran Hue Nuong, Remarks on projection, orthogonality and Kuhn-Tucker complementarity conditions in normed spaces, Vietnam J. Mathematics, Vol. 24, 201 – 208, 1996

19. Phan Quoc Khanh, Sufficient optimality conditions and duality in vector optimization with invex-convexlike functions, J. Optimization Theory and Applications, Vol. 87, 359 – 378, 1995 (ISI, Q1)

18. Phan Quoc Khanh, Invex-convexlike functions and duality, J. Optimization Theory and Applications, Vol. 87, 141 – 165, 1995 (ISI, Q1)

17. Phan Quoc Khanh, Optimality conditions in vector optimization via norm scalarization, SIAM J. Control Optimization, Vol. 31, 646-658, 1993 (ISI, Q1)

16. Phan Quoc Khanh, Dinh The Luc, Problems of vector optimization, Acta Mathematica Vietnamica, Vol.17, 91- 112, 1992

15. Phan Quoc Khanh, Proper solutions of vector optimization problems, J. Optimization Theory and Applications, Vol. 74, 105-130, 1992 (ISI, Q1)

14. Phan Quoc Khanh, Optimalizacja wielokryterialna, Matematyka Stosowana, Vol. 32, 31 – 47, 1989

13. Phan Quoc Khanh, On Caristi-Kirk’s theorem and Ekeland’s variational principle for Pareto extrema, Bulletin of Polish Academy of Sciences-Mathematics, Vol. 37, 33 – 39, 1989 (ISI, Q2)

12. Phan Quoc Khanh, Tran Hue Nuong, On necessary and sufficient conditions in vector optimization problems, J. Optimization Theory and Applications, Vol. 63, 391 – 413, 1989 (ISI, Q1)

11. Phan Quoc Khanh, On general open mapping theorems, J. Mathematical Analysis and Applications, Vol. 144, 305 – 312, 1989 (ISI, Q1)

10. Phan Quoc Khanh, Tran Hue Nuong, On necessary optimality conditions in vector optimization problems, J. Optimization Theory and Applications, Vol. 58, 63 – 81, 1988 (ISI, Q1)

9. Phan Quoc Khanh, An open mapping theorem for families of multifunctions, J. Mathematical Analysis and Applications, Vol. 132, 491 – 498, 1988 (ISI, Q1)

8. Phan Quoc Khanh, Nguyen Thien Luan, Holder open mapping theorems and necessary optimality conditions for problems with Holder data, Control and Cybernetics, Vol. 16, no 3 - 4, 59 – 72, 1987 (ISI, Q2)

7. Phan Quoc Khanh, An induction theorem and general open mapping theorems, J. Mathematical Analysis and Applications, Vol. 118, 519 – 534, 1986 (ISI, Q1)

6. Phan Quoc Khanh, Nguyen Thien Luan, Holder subgradients and applications in optimization, Control and Cybernetics, Vol. 14, 323 – 341,1985 (ISI, Q2)

5. Phan Quoc Khanh, On Pontryagin maximum principle for linear systems with constraints, Optimization, Vol. 16, 63 – 69,1985 (ISI, Q1)

4. Phan Quoc Khanh, A formula for extremum involving F-convexity, Control and Cybernetics, Vol. 13, no 4, 305 – 311, 1984 (ISI, Q2)

3. Phan Quoc Khanh, On the number of measurements in observations and optimal observations for linear lumped parameter systems, Chapter in book “Methods of Mathematical programming”, Eds. S. Walukiewicz and A. Wierzbicki, Polish Scientific Publishers, Warszawa, 241 – 246, 1981

2. Phan Quoc Khanh, On measurements in observations and optimal observations for linear lumped parameter systems, Control and Cybernetics, Vol. 8, 147 – 160, 1979

1. Phan Quoc Khanh, A concept of optimality of degree p in observation theory and optimal observability for convex functionals, Control and Cybernetics, Vol. 8, 43 – 53, 1979

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