Prof. Dr.

(Habilitation a Diriger des Researches): University of Limoges, France, 2010.**HDR**-
: Hanoi Institute of Mathematics, 1994.**PhD** -
(Dynamical systems): Mathematical Research Institute, University of Utrecht, The Netherlands, June 1993.**M.Sc**

(Mathematics): HanoiUniversity of Pedagogy I, 1985.**M.Sc**: Department of Mathematics, College of Education, HueUniversity, 1980.**Bachelor**: 1995**Senior Lecturer**: 2002**Associate Professor**

- Senior lecturer, Department of Mathematics, University of Pedagogy, Hue University, Hue city, Vietnam (September 1980 - June 2001)
- Associate Professor, Department of Mathematics-Informatics, Ho Chi Minh City University of Pedagogy (June 2001 - June 2005
- Head of Department of International Relations, Ho Chi Minh City University of Pedagogy (June 2005 - February 2006)
- Department of Mathematics, International University, Vietnam National University-Ho Chi Minh city (March 2006 – present). Head of Dept. of Math. from April, 2013.

- Grant for short-term advanced research: Hanoi Institute of Mathematics: October to December, 2000.
- Postdoctoral Fellowship from the Korea Science and Engineering Foundation (KOSEF), Feb., 2002 to Feb., 2003 (Pukyong National University, Korea).

**Projects**

- Head of the project: “
**Some Farkas-type results and nonlinear optimization**NAFOSTED Vietnam, 2011 - 2012.**”,** - Head of the project “
”, Vietnam National University-HCM city, 2011- 2012.**Characterizations of convex/nonconvex inequalities with applications to optimization theory** - Head of the project “
”, Vietnam National University-HCM city, 2010.**On DC and bilevel optimization problems** - Head of the project “
”, Vietnam National University-HCM city, 2009.**Qualitative study of some classes of single and multi-objective optimization problems with infinitely many constraints** - Head of the project “
”, Ministry of Education and Training, 2008.**On the study of some classes of optimization problems with DC functions and applications** - Head of the project “
” , Ministry of Education and Training, 2007.**Dual constraint qualifications and its applications to optimization theory** - Head of the project “
”, International University, Vietnam National University-Ho Chi Minh city, 2006.**Farkas-type results for nonconvex systems ans its applications to optimization theory** - Head of the project CS.2005.23.77: “
” (2005-2006), Ho Chi Minh city University of Pedagogy, Vietnam.**Extended version of Farkas lemma for systems involving reverse-convex constraints and applications** - Co-Head of the National Basic Research Project 1.1.10/98: “
” (1998-2000) (with Dr. H.T. Phung, Hue University).**Optimal algorithms and applications**

** Member of some projects**

- Rough Analysis and Scientific Computing (National Foundation for Sciences & Technology Development, NAFOSTED, Vietnam, 2010-2011; Head: Prof. Dr.Sc. Hoang Xuan Phu),
- Rough analysis and its applications (National Basic Research Project, Hanoi Institute of Mathematics, 2006-2007, 2008-2009; Head: Prof. Dr.Sc. Hoang Xuan Phu),
- Existence of optimal solutions for some classes of problems in nonlinear analysis (B2005.23.68; Ministry of Sciences, Technology, and Environment, 2005-2006, Head: Assoc. Prof. Le Hoan Hoa, HCM City Univ. of Pedagogy),
- Rough analysis and its applications (National Basic Research Project, Hanoi Institute of Mathematics, 2003-2005 (National Basic Research Project, Hanoi Institute of Mathematics, Head: Prof. Dr.Sc. Hoang Xuan Phu),
- Analysis of non-smooth maps and its application to optimal control theory and optimization (National Basic Research Project, Hanoi Institute of Mathematics, 1998-2002, Head: Prof. Dr.Sc. Pham Huu Sach),
- Theory of dynamical systems (National Basic Research Project, National Center of Science and Technology of Vietnam, 1993-1995, Head: Prof. Dr.Sc. Nguyen Khoa Son),
- Methods of analysis of set-valued maps in non-smooth optimization and in dynamical system (National Basic Research Project, Hanoi Institute of Mathematics, 1992-1995).

**Conferences**

- Member of Organizing Committee of International Conference in Mathematics and Applications, ICMA 2011, VNU-HCMC, December, 2011.
- Member of Organizing Committee of Workshop on Optimization and Scientific Computing, Hanoi Institute of Mathematics, Ba vi (Vietnam), April 2009; April, 2010; April 2011, April 2012, April 2013.
- Member of Scientific Committee of the 8
^{th}International School/Workshop on Optimization and Its Applications, Nhatrang (Vietnam), March 1-3, 2010. - Member of Organizing Committee of Workshop on Optimization and Scientific Computing, Hanoi Institute of Mathematics, Ba vi (Vietnam), April, 2008.
- Member of Scientific Committee of The 6
^{th}CUD Spring School on Optimization and Applied Mathematics, Hanoi, July, 2008. - Member of Organizing Committee of Workshop on Optimization and Scientific Computing, Hanoi Institute of Mathematics, Ba vi (Vietnam), April, 2007.
- Member of Scientific Committee of The 6
^{th}CUD Spring School on Optimization and Applied Mathematics, Ho Chi Minh city, March 4-10, 2007. - Member of Organizing Committee of Workshop on Optimization and Scientific Computing, Hanoi Institute of Mathematics, Ba vi (Vietnam), April 26 - 29, 2006.
- Member of Organizing Committee of Workshop on Optimization and Scientific Computing, Hanoi Institute of Mathematics, Hanoi, May 18 - 22, 2005.
- Member of Organizing Committee of Workshop on Optimization and Scientific Computing, Hanoi Institute of Mathematics, Hanoi, May 5 - 9, 2004.
- Member of Scientific Committee of The 4 Vietnam-Korea Workshop on Mathematical Optimization Theory and Applications, Ho Chi Minh city, February 18 - 20, 2004.

**Participating and giving report/invited lectures**

- The First Korea-Japan Joint Symposium on Nonlinear Functional Analysis and Convex Analysis, Kyongju, Korea August 2-5, 2002
- Conference on Operator Theory, Functional Analysis, and Finite Element Method, Bangkok, Auguat 28, 2003.
- The Fifth Korea-Vietnam Joint Seminar on Mathematical Optimization Theory and Applications, Busan, Korea, February 8-11, 2006.
- International Symposium on Nonlinear Analysis and Optimization, Pukyong National University, Pusan, Korea, Feb. 16-18, 2008.
- The sixth Korea-Vietnam Joint Seminar on Mathematical Optimization Theory and Applications, Nhatrang, Vietnam, February, 2008.
- European Conference on Operations Research 23
^{rd}(EURO XXIII), Bonn, July 5-9, 2009. - International Conference in Mathematics and Applications, UEL, VNU-HCMC, Dec. 2011.
- VMS-SMF (Vietnam-France) Joint Congress, Hue (VN), August 20-24, 2012.

**Scientific visits**

- Institute of Mathematics, University of Utrecht, The Netherlands: June to November 1993.
- Institute of Mathematics, University of Utrecht,The Netherlands: November 1994 to February 1995.
- Jean Monet University, Saint-Etienne, France: January to May 1999.
- Hanoi Institute of Mathematics: October to December 2000 (a grand for short term advanced research).
- Pukyong National University, Pusan, Korea: February 2002 to February 2003 (Postdoctoral Fellowship from the Korea Science and Engineering Foundation).
- Mahidol University, Bangkok, Thailand: August 2003.
- School of Mathematics, University of New South Wales, Sydney, Australia: October to November 2003.
- Laboratory of Applied Mathematics, University of PAU, France: May -June, 2004.
- Center for Inter-discipline Scientific Computing, University of Heidelberg, Germany: August to September, 2004.
- Dept. of Operations Research and Statistics, University of Alicante, Spain: Oct., 2004.
- Department of Operation Research and Statistics, University of Alicante, Spain: December, 2005.
- Department of Applied Mathematics, Faculty of Sciences, Pukyong National University, Pusan, Korea: February, 2005.
- Laboratory of Applied Mathematics, University of PAU, France: September, 2006
- Dept. of Operation Research and Statistics, University of Alicante, Spain: June, 2007.
- Department of Mathematics, Faculty of Sciences, University of Namur, Belgium, July-August, 2007.
- Department of Mathematics, Faculty of Sciences, Pukyong National University, Pusan, Korea: February 3- Feb.18, 2008.
- Department of Applied Mathematics, Faculty of Laboratory of Applied Mathematics, University of PAU, France: June, 2008.
- Dept. of Operation Research and Statistics, University of Alicante, Spain: July, 2008.
- Dept. of Mathematics, Faculty of Science, University of Namur, Belgium, August, 2008.
- Dept. of Operation Research and Statistics, University of Alicante, Spain: July, 2009.
- Department of Applied Mathematics, University of Metz, France, August, 2009.
- Centre de Recerca Matematica, Universitat Autonoma de Barcelona (UAB), Spain, September, 2010.
- Dept. Math., University of Limoges, September, 2010.
- Dept. of Operation Research and Statistics, University of Alicante, Spain: October, 2012.

**For undergraduate students** (College of Education, Hue University; Ho Chi Minh City University of Pedagogy; University of Natural Sciences, and International University, VNU-HCM):

- Calculus I, II; Engineering Mathematics; Mathematics for Bio-technology;
- Operations research;
- Theory of measure and integration; Functional analysis;
- Elements of convex analysis and theory extremal problems.

**For post-graduate students** (College of Education, HueUniversity; Ho Chi Minh City University of Pedagogy; University of Natural Sciences):

- Modern analysis I, II;
- Variational and optimal control problems;
- Advanced Functional Analysis;
- Variational and optimal control problems (solving methods and existence);
- Nonlinear programming;
- modern convex programming.

**M.Sc. thesis supervisor** of 8 students.

**Ph.D. thesis supervisor **of 3 students (1 defended PhD thesis in 2008)

- Methods for solving optimal control problems with phases restrictions,
- Existence for variational and optimal control problems in the absence of convexity,
- Farkas lemmas for convex and non-convex systems and applications,
- Theory of general optimization problems: optimality, duality, stability and well-posedness (convex, non-convex, nonsmooth problems).
- Variational inequalities and equilibrium problems: optimality conditions and duality

- N. Dinh and H.X. Phu, Solving a class of regular optimal control problems with state constraints by the Method of Orienting Curves,
, 25, 1992, pp. 231 -- 247.**Optimization** - N. Dinh and H.X. Phu, Solving a class of optimal control problems which are linear in the control variable by the Method of Orienting Curves,
, 17, 1992, pp. 115 -- 134.**Acta Mathematica Vietnamica** - N. Dinh and H.X. Phu, Method of Orienting Curves and its application to an optimal control problem of a hydroelectric power plant.
, 20, 1992, pp. 40 -- 53.**VN Journal of Mathematics** - N. Dinh, Solving a class of linear optimal control problems with several control variables by the Method of Orienting Curves.
, 30, 1994, pp. 269 - 271.**Optimization** - H.X. Phu and N. Dinh, Some remarks on the Method of Orienting Curves.
, 16 (5& 6), 1995, pp. 755 - 763.**Numerical Functional Analysis and Optimization** - E.J. Balder and N. Dinh, Some extensions of Berliocchi - Lasry theorem and extremum principles for classes of mathematical programming problems,
, 27 (1), 1999, pp. 23 - 31.**VN Journal of Mathematics** - N. Dinh and L.A. Tuan, Directional Kuhn-Tucker conditions and duality for quasidifferentiable programs,
, 28(1), 2003, 17 - 38.**Acta Mathematica Vietnamica** - V. Jeyakumar, G.M. Lee, and N. Dinh, New sequential Lagrange multiplier conditions characterizing optimality without constraint qualification for convex programs,
, 14(2),2003, 534 - 547.**SIAM Journal on Optimization** - V. Jeyakumar, G.M. Lee, and N. Dinh, Lagrange multiplier conditions characterizing optimal solution sets of convex programs,
, 123(1), 2004, 83 - 103.**Journal of Optimization Theory and Application** - N. Dinh, V. Jeyakumar, and G.M. Lee, Sequential Lagrangian duality for abstract convex programs without regularity condition,
, 123, No. 1, 2005, 85-112.**Journal of Optimization Theory and Application** - N. Dinh, G. M. Lee, and L. A. Tuan, Generalized Lagrange multipliers for non-convex directionally differentiable programs. In
, Edts. V. Jeyakumar and B. M. Glover, Springer, (September) 2005.**Continuous Optimization: current trends and modern applications** - N. Dinh, M.A. Goberna, and M.A. Lopez, From linear to convex systems: Consistency, Farkas' lemma and applications,
, 13, No. 1, 2006, 133-133.**Journal of Convex Analysis** - V. Jeyakumar, Z.Y. Wu, G.M. Lee, and N. Dinh, Liberating the subgradient optimality conditions from constraint qualifications,
, 36, 2006, 127-137.**Journal of Global Optimization** - M.A. Goberna, V. Jeyakumar, and N. Dinh, Dual Characterizations of set containments with strict convex inequalities,
, 34, 2006, 33 - 54.**Journal of Global Optimization** - V. Jeyakumar, G.M. Lee, and N. Dinh, Characterization of solution sets of convex vector minimization problems,
, 174, 2006, 1380 – 1395.**European Journal of Operational Research** - N. Dinh, V. Jeyakumar, and G.M. Lee, Lagrange multiplier characterizations of solution sets of constrained pseudo-linear optimization problems,
, No. 3, 55, 2006, 241 - 250.**Optimization** - N. Dinh, M.A. Goberna, M.A. Lopez, and T.Q. Son, New Farkas type constraint qualifications in convex infinite programming,
, Vol. 13, No. 3, 2007, 580-597.**ESAIM Control, Optimisation and calculus of Variations** - N. Dinh, G. Vallet, and T.T.A. Nghia, Farkas-type results and duality for DC programs with convex constraints,
, Vol. 15, No. 2, 2008, 235 – 262.**Journal of Convex Analysis** - N. Dinh, On qualification conditions and Farkas’ lemma: Generalization and applications.
, Feb. 25-29, 2008, pp. 1- 22 (Editors: V.N. Phat and D.S. Kim), Publishing House for Sciences and Technology, Hanoi, 2008.**Proceeding of the Sixth Vietnam-Korea Joint Workshop** - T.Q. Son, N. Dinh, Characterizations of solution sets of convex infinite problems,
, 16, 2008, 147 – 163.**TOP** - N. Dinh, B. Mordukhovich, and T.T.A. Nghia, Qualification and optimality conditions for DC programs with infinite constraints.
, 34(1), 2009, 123 – 153.**Acta Mathematica Vietnamica** - N. Dinh, B. Mordukhovich, and T.T.A. Nghia, Subdifferentials of value functions and optimality conditions for some classes of DC and bilevel infinite and semi-infinite programs.
**Mathematical Programming, Vol.****123,****Issue 1 (2010), 101-138.** - N. Dinh, J.-J. Strodiot, V.H., Nguyen, Duality and Optimality Conditions for Generalized Equilibrium Problems Involving DC Functions.
48, 2010, 183-208.**Journal of Global Optimization, Vol.** - N. Dinh, T.T.A. Nghia, and G. Vallet, A closedness condition and its applications to DC programs with convex constraints.
, Vol. 59, No. 4, 2010, 541-560**Optimization** - S.Dempe, N. Dinh, J. Dutta, Optimality conditions for a simple convex bilevel programming problem. In: Variational Analysis and generalized Differentiation in Optimization and Control. R.S. Burachik, J-C Yao (eds.). Springer, Berlin, 2010.
- N. Dinh, M.A. Goberna, and M.A. Lopez, On the stability of the feasible set in mathematical programming.
**SIAM**, Vol. 20, No. 5, 2010, 2254-2280.**J. Optim.** - N. Dinh, M.A. Lopez, M. Volle, Functional inequalities in the absence of convexity and lower semicontinuity with applications to optimization.
**SIAM**, Vol. 20, No. 5, 2010, 2540-2559.**J. Optim.** - N. Dinh, M.A. Goberna, M.A. Lopez, M. Volle, Convex inequalities without constraint qualification nor closedness conditions and thẻi application in optimization.
, Vol. 18, 2010, 423-445.**Set-valued and variational Analysis** - G.M. Lee, G.S. Kim, N. Dinh, Optimality conditions for approximate solutions of convex semi-Infinite vector optimization problems optimality conditions for approximate solutions. In “
”. Eds.: Q.H. Ansari, J.-C Yao, Springer, 2012, pp. 275-295.**Recent developments in vector optimization** - N. Dinh, M.A. Goberna, M.A. Lopez, On the stability of the optimal value and the optimal set in optimization problems.
Vol. 19 (4) (2012),**Journal of Convex Analysis,**927-953. - N. Dinh, T.H. Mo, Qualification conditions and Farkas-type results for systems involving composite functions,
, Vol. 40 (4), 2012, 407 – 437.**Vietnam Journal of Mathematics** - N. Dinh, Vallet G, and Volle M (2014) Functional inequalities and theorems of the alternative involving composite functions with applications.
(to appear) http://link.springer.com/article/10.1007/s10898-013-0100-Z**J. Global Optimization**

- N. Dinh, E. Ernst, M.A. Lopez, M. Volle (2014) An approximate Hahn-Banach theorem for positively homogeneous functions.
(to appear) DOI: 10.1080/02331934.2013.864290 http://www.tandfonline.com/doi/abs/10.1080/02331934.2013.864290#.UrZnSyd6SSo**Optimization**

- N. Dinh, M.A. Goberna, M.A. Lopez, T.H. Mo (2014) From Farkas to Hahn-Banach theorem.
(to appear).**SIAM J. Optim.** - N. Dinh, V. Jeyalumar (2014), Farkas' Lemma: Three Decades of Generalizations for Mathematical Optimization.
(to appear) DOI 10.1007/s11750-014-0319-y**Top**

- N. Dinh, V. Jeyalumar (2014), Rejoinder on Farkas' Lemma: Three Decades of Generalizations for Mathematical Optimization.
(to appear) DOI 10.1007/s11750-014-0320-5**Top**

**Internal reports/preprints - University’s Bulletins**

- N. Dinh, Relaxation by way of Young measures for a class of nonconvex variational problems, Bulletin of Science and Education, Hue University of Education, 9/1996, pp. 53 - 58.
- N. Dinh, Relaxation and the existence of relaxed and chattering solutions for a class of optimal control problems without convexity assumptions. Bulletin of Science and Education, Hue University of Education, 3/1997, pp. 29 - 36.
- N. Dinh and L.A. Tuan, Necessary and sufficient optimality conditions for locally Lipschitz programs with equality constraints, The Hue University Journal of Research, No. 4, 2000, pp. 11- 17 (in Vietnamese).
- N. Dinh and N.M. Nam, On weak stability by perturbations of an optimization problem, The Hue University Journal of Research, No. 10, 2002, pp. 21-28 (in Vietnamese).
- V. Jeyakumar and N. Dinh, Avoiding duality gaps in convex semi-definite programming without Slater's condition, Applied Mathematics Research Report AMR04/6, 2004, School of Mathematics, University of New South Wales, Sydney, Australia (unpublished paper).
- V. Jeyakumar, N. Dinh, and G.M. Lee, A new closed cone constraint qualification for convex optimization. Applied Mathematics Research Report AMR04/8, 2004, School of Mathematics, University of New South Wales, Sydney, Australia (unpublished paper).
- N. Dinh, On results of Farkas type and its applications to convex optimization problems, Bulletin of Sciences, Ho Chi Minh City University of Pedagogy, 6, No. 40, 2005, 3 - 25 (in Vietnamese).
- N. Dinh and T.T.A, Nghia, Farkas lemma for systems involving convex and DC-functions, Bulletin of Sciences, Ho Chi Minh City University of Pedagogy, 6, No. 40, 2005, 41 - 52 (in Vietnamese).
- V. Jeyakumar, W. Song, N. Dinh, and G.M. Lee, Stable strong duality in convex optimization, Applied Mathematics Research Report AMR05/22, 2005, School of Mathematics, University of New South Wales, Sydney, Australia (unpublished paper).
- N. Dinh and T.Q. Son, Approximate optimality conditions and duality for convex infinite programming problems. Journal of Science and Technology Development, Vietnam National University-Ho Chi Minh city, 2008.
- N. Dinh and T. H. Mo, Farkas-type results for nonconvex systems involving composite functions with applications, Scientific Journal (Dalat University), 3A (6/ 2012), 32-40.

**Textbooks and lecture notes**

- Nguyen Trong Chien, Phan van Danh, Nguyen Dinh, Nguyen Hoang, and Hoang Tron, Activities in teaching mathematics in high school - Analysis (in Vietnamese, document for teachers in high school to update mathematical knowledge, period 1997 - 2000), Hue University of Pedagogy, 1999.
- Phan Van Danh, Nguyen Dinh, Le Van Hap, Nguyen Hoang, Problems in Higher mathematics: Analysis of functions of one variable (in Vietnamese). Publishing House of Education, Hanoi, 2003.
- N. Dinh and N. Hoang, Real Analysis (topology and theory of measures and integration) (in Vietnamese). Publishing House of Education, Hanoi, 1999.
- N. Dinh and N. N. Hai, Theorems and Problems in Real Analysis (in Vietnamese). Publishing House of Education, Hanoi, 1999.
- Phan Van Danh, Nguyen Dinh, Le Van Hap, Nguyen Hoang, and Le V. Ngu, Higher Mathematics II: Analysis of functions of one variable (in Vietnamese). Publishing House of Education, Hanoi, 1998.
- N. Dinh, Modern Analysis I (in Vietnamese, Lecture for Master students), Hue University of Pedagogy, 1997.

**Conference reports (selected)**

- N. Dinh (invited lecture), Generalized Lagrange multipliers for non-convex optimization. The First Korea-Japan Joint Symposium on Nonlinear Functional Analysis and Convex Analysis, Kyongju, Korea, August 2-5, 2002.
- N. Dinh, Generalized conditions and duality for nonconvex optimization problems. Conference on Operator Theory, Functional Analysis, and Finite Element Method, Bangkok, August 28, 2003.
- N. Dinh, Sequential Lagrange multiplier conditions characterizing optimality without constraint qualification for convex programs. Workshop on Optimization and Scientific Computing, Hanoi-Quangninh July 14-18, 2003.
- N. Dinh (invited lecture) On results of Farkas type and applications. The 4
^{th}Vietnam-Korea Workshop on Mathematical Optimization Theory and Applications, HoChiMinh city, February 18-20, 2004. - N. Dinh, From linear to convex systems: Consistency, Farkas lemma and applications. Workshop on Optimization and Scientific Computing, Hanoi, April 20-24, 2005.
- N. Dinh (invited lecture), Farkas-type results and constraint qualifications in convex infinite programming. The Fifth Korea-Vietnam Joint Seminar on Mathematical Optimization Theory and Applications, Busan, February 8-11, 2006.
- N. Dinh, Approximate subdifferentials for a class of convex functions and applications. Workshop on Optimization and Scientific Computing, Bavi-Hatay, April 26-29, 2006.
- N. Dinh, A result on the stability of a class of parametric convex optimization problems, Workshop on Optimization and Scientific Computing, Bavi-Hatay, May 16-19, 2007.
- N. Dinh (invited lecture), On Farkas-Minkovski constraint qualification and Farkas lemma: Generalization and applications, The 6
^{th}CUD Spring School on Optimization and Applied mathematics, Ho Chi Minh city, March 4-10, 2007. - N. Dinh (invited lecture), Duality for generalized equilibrium problems involving DC functions, International Symposium on Nonlinear Analysis and Optimization, Pukyong National University, Pusan, Korea, Feb. 16-18, 2008.
- N. Dinh (invited lecture), Closedness conditions and Farkas-type results: Generalizations and applications to convex and DC optimization problems, The sixth Korea-Vietnam Joint Seminar on Mathematical Optimization Theory and Applications, Nhatrang, Vietnam, February, 2008.
- N. Dinh (invited lecture) Qualification conditions and the stability of convex optimization problems. Workshop on Optimization and Scientific Computing, Bavi, Hanoi, April 22-25, 2009.
- N. Dinh, Qualification, optimality conditions and subdifferentials of optimal value functions for DC infinite and semi-infinite programs. European Conference on Operations Research 23
^{rd}(EURO XXIII), Bonn, July 5-9, 2009. - N. Dinh, Optimality conditions for a simple class of bilevel optimization problem. Workshop on Optimization and Scientific Computing, Bavi-Hatay, April 20-23, 2010.
- N. Dinh (invited lecture), Convex inequalities without constraint qualification nor closedness condition and their applications in optimization. The 8
^{th}International Spring School/Workshop on Optimization and Its Applications, March 1-3, 2010, Nhatrang, Vietnam. - N. Dinh, Stability of optimal values and optimal sets in optimization problems. Workshop on Optimization and Scientific Computing, Bavi-Hatay, Hanoi, April 20-24, 2011.
- N. Dinh (invited talk), Some new Farkas-type results and their applications to optimization. International Conference in Mathematics and Applications, UEL, VNU-HCMC, Dec. 2011.
- N. Dinh, Farkas lemma and Hahn-Banach theorem: Extensions and relations. Workshop on Optimization and Scientific Computing, Bavi-Hatay, Hanoi, April 18-21, 2012.
- N. Dinh, Some extensions of Farkas lemma and Hahn-Banach theorem. VMS-SMF Joint Congress, Hue, August 20-24, 2012.
- N. Dinh (joint with S. Dempe, J. Dutta), Optimality conditions for a simple MPEC problem. Workshop on Optimization and Scientific Computing, Bavi-Hatay, Hanoi, April 24-27, 2013.