Truong Xuan Duc Ha
Associate Professor, Doctor
Department of Optimization and Control Theory

Address
Office: Building A5, Room 211
Tel: +84 24 37563474 + 211
Email: txdha AT math.ac.vn
Personal homepage: http://vie.math.ac.vn/~txdha/
Education and academic degrees:
 1983: Ph.D., Voronezh State Pedagogical Institute, former USSR.
 1979: B.Sc., Voronezh State Pedagogical Institute, former USSR.
 2006: Associate Professor
Research areas: Optimization, Nonsmooth Analysis
PUBLICATIONS
List of publications in MathSciNet
1  Truong Xuan Duc Ha, Johannes Jahn, Properties of BishopPhelps cones. Journal of Nonlinear and Convex Analysis 18 (2017), 415–429. 
2  Truong Xuan Duc Ha, A remark on the lower semicontinuity assumption in the Ekeland variational principle, Optimization, 65 (2016), 17811789. 
3  Truong Xuan Duc Ha, G.Eichfelder, Optimality conditions for vector optimization problems with variable ordering structures, Optimization, 62 (2013), 597  627. 
4  Truong Xuan Duc Ha, Optimality conditions for various efficient solutions involving coderivatives:from setvalued optimization problems to setvalued equilibrium problems, Nonlinear Analysis: Theory, Methods & Applications, 75 (2012), 1305–1323. 
5  Truong Xuan Duc Ha, The Fermat rule and Lagrange multiplier rule for various efficient solutions of setvalued optimization problems expressed in terms of coderivatives, Springer, ISBN 9783642211133 
6  Truong Xuan Duc Ha, J. Jahn, New order relations in set optimization, Journal of Optimization Theory and Applications 148 (2011), 209  236. 
7  Truong Xuan Duc Ha, Optimality conditions for several types of efficient solutions of setvalued optimization problems, In: Nonlinear Analysis and Variational Problems, Springer (2010), 305324. 
8  Truong Xuan Duc Ha, The Ekeland variational principle for Henig proper minimizers and super minimizers, J. Math. Anal. Appl., 364 (2010), 156  170. 
9  Truong Xuan Duc Ha, Variants of the Ekeland variational principle for a setvalued map involving the Clarke normal cone, J. Math. Anal. Appl. 316 (2006), 346  356. 
10  Truong Xuan Duc Ha, Lagrange multipliers for setvalued optimization problems associated with coderivatives, J. Math. Anal. Appl. 311 (2005), 647  663. 
11  Truong Xuan Duc Ha, Lagrange multipliers for setvalued optimization problems associated with coderivatives, J. Math. Anal. Appl. 311 (2005), 647  663. 
12  Truong Xuan Duc Ha, Some variants of the Ekeland variational principle for a setvalued map, J. Optim. Theory Appl. 124 (2005), 187  206. 
13  Truong Xuan Duc Ha, The Ekeland variational principle for setvalued maps involving coderivatives, J. Math. Anal. Appl. 286 (2003), 509  523. 
14  Truong Xuan Duc Ha, Demicontinuity, generalized convexity and loose saddle points of setvalued maps, Optimization 51 (2002), 293  308. 
15  Le Van Cuong, Truong Xuan Duc Ha, Asset market equilibrium in Lp spaces with separable utilities. J. Math. Econom. 36 (2001), 241  254. 
16  Truong Xuan Duc Ha, Existence and density results for proper efficiency in cone compact sets, J. Optim. Theory Appl. 111 (2001), 173  194. 
17  Benoit Truong Van, Truong Xuan Duc Ha, Existence results for viability problem associated to nonconvex stochastic differentiable inclusions. Stochastic Anal. Appl. 17 (1999), 667  685. 
18  Truong Xuan Duc Ha, Existence of viable solutions of nonconvex differential inclusion. Atti. Mat. Fis. Univ..Modena XLVII, 2 (1999), 457  471. 
19  Benoit TruongVan, Truong Xuan Duc Ha, Existence of viable solutions for a nonconvex stochastic differential inclusions. Discussiones Math. Differential Inclusions 17 (1997), 107  131. 
20  Truong Xuan Duc Ha, Cone admitting strictly positive functionals and scalarization of some vector optimization problems. J. Optim. Theory Appl. 93 (1997), 355  372. 
21  Daishi Kuroiwa, Tamaki Tanaka, Truong Xuan Duc Ha, On cone convexity of setvalued maps. Nonlinear Analysis: Theory, Methods, Applications, Proceeding of the Second World Congress of Nonlinear Analyst (Athens, 1017 July 1996), 30 (1997),1487  1496. 
22  Truong Xuan Duc Ha, Existence of viable solutions of nonconvexvalued differential inclusions in Banach spaces. Portugal. Math. 52 (1995), 241  250. 
23  Truong Xuan Duc Ha, Manuel D. P. Monteiro Marques, Nonconvex second order differential inclusions with memory. SetValued Analysis 3 (1995), N0 1, 71  86. 
24  Truong Xuan Duc Ha, On the existence of efficient points in locally convex spaces. J. Global Optim. 4 (1994), 265  278. 
25  Truong Xuan Duc Ha, A note on a class of cones ensuring the existence of efficient points in bounded complete sets. Optimization 31 (1994),141  152. 
26  Truong Xuan Duc Ha, Differential inclusions governed by convex and nonconvex perturbations of a sweeping process. Bull. Italian Math. Soc. 8 (1994), 327  354. 
27  C. Castaing, Truong Xuan Duc Ha, M. Valadier, Evolution equations governed by the sweeping process. SetValued Analysis 1 (1993), 109  139. 
28  Truong Xuan Duc Ha, Nonconvex perturbation of differential inclusions with memory. Acta Math. Vietnam. 17 (1992), 57  62. 
29  J. SaintPierre, Truong Xuan Duc Ha, Integration of the Jacobian of a locally Lipschitz function. Sem. Convex Anal. Montpellier 2 (1989), 1  18. 
30  Truong Xuan Duc Ha, Banach spaces of d.c. functions and quasidifferentiable functions. Acta Math. Vietnam. 3 (1988), 55  70. 
31  Truong Xuan Duc Ha, The Sard's theorem for a class of locally Lipschitz mappings. Sem. Convex Anal. Montpellier 9 (1987), 1  14. 
32  Truong Xuan Duc Ha, Behavior of positive eigenvectors of concave not completely continuous operators at the boundary of positive spectrum. Funct. Anal. Ulianovsk 16 (1982),113  119 (in Russian). 
33  Truong Xuan Duc Ha, I. A. Bakhtin, On the existence of positive eigenvectors for a class of concave operators. Funct. Anal. Ulianovsk 15 (1981), 33  43 (in Russian). 
34  Truong Xuan Duc Ha, I. A. Bakhtin , On the convergence of the successive method in the theory of nonlinear equations with concave operators. Functional Analysis, Ulianovsk 14 (1980), 47  55 (in Russian). 
1  IMH20170403, Truong Xuan Duc Ha, A Hausdorfftype distance, a directional derivative of a setvalued map and applications in set optimization 
2  IMH20151203, Truong Xuan Duc Ha, Slopes of a vectorvalued map and applications 
Highlights
14/12/17, Conference: International Workshop “Optimization Algorithms and Some Related Problems” 
19/12/17, Conference: International Workshop “Variational Analysis and Optimization Theory” 
12/01/18, Joint MathematicsPhysics Colloquium: Nobel Prize 2017 in Physics – Einstein’s General relativity and Gravitational waves 
26/02/18, Conference: International conference "Nevanlinna theory and Complex Geometry in Honor of Lê Văn Thiêm's Centenary" 
05/03/18, Conference: CIMPAIMHVAST research school on "Recent developments in stochastic dynamics and stochastic analysis" 
19/03/18, Conference: 7th International Conference on HIGH PERFORMANCE SCIENTIFIC COMPUTING Modeling, Simulation and Optimization of Complex Processes 