Le Hai Yen


Department of Optimization and Control Theory
Research interests: Variational analysis, Rank minimization problems

Office: Building A5, Room 210
Tel: +84 (0)4 37563474/ 210
Email: lhyenATmath.ac.vn

Born in Haiphong in 1987

Education and academic degrees:

  • 2013: PhD in Paul Sabatier University, Toulouse, France

Research areas:
Variational analysis, Rank minimization problems, Copositive and completely positive matrices


List of publications in MathSciNet


List of recent publications
1Le Hai Yen, Le Dung Muu, Nguyen Thi Thanh Huyen, An algorithm for a class of split feasibility problems: application to a model in electricity production, Mathematical Methods of Operations Research, 84, (2016), 549-565.
2Jean-Baptiste Hiriart-Urruty, Le Hai Yen, The Viscosity Subdifferential of the Rank Function via the Corresponding Subdifferential of its Moreau Envelopes, Acta Mathematica Vietnamica, 40 (2015),735-746.
3Le Hai Yen, Hiriart-Urruty, Jean-Baptiste, From Eckart-Young approximation to Moreau envelopes and vice versa, RAIRO - Operations Research, 47 (2013), 299 -310.
4Le Hai Yen, Hiriart-Urruty, Jean-Baptiste, A variational approach of the rank function, TOP. 21 (2013), 207 - 240.
5Le Hai Yen, Generalized subdifferentials of the rank function, Optim. Lett., 7 (2013), 731 - 743.
6Hiriart-Urruty Jean-Baptiste, Le Hai Yen, Convexifying the set of matrices of bounded rank: applications to the quasiconvexification and convexification of the rank function. Optim. Lett. 6 (2012), 841–849.
7Le Hai Yen, Confexifying the counting function on $\mathbb R^p for convexifying the rank function on $\mathcal M_{m,n} $\mathbb (R)$. [Convexifying the counting function on $\mathbb R^p for convexifying the rank function on $\mathcal M_{m,n} $\mathbb (R)$] J. Convex Anal. 19 (2012), 519–524.