Le Hai Yen

Le Hai Yen

Associate professor. Dr.

Department of Optimization and Scientific Computing

Research Interest: Variational analysis, Rank minimization problems

Contact

Office: 210, Building A5
Phone: +84 (02)4 37563474/ 210
Email: lhyenATmath.ac.vn

Scientific CV

Address
Office: Building A5, Room 210
Tel: +84 (02)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

Scientific Publications

Publications

  1. 1. Le Dung Muu, Le Hai Yen, An extragradient algorithm for quasiconvex equilibrium problems without monotonicity, Journal of Global Optimization, Volume 95, pages 211–230 (2026) (2026)
  2. 2. Alfredo Iusem, Felipe Lara, R. T. Marcavillaca, Le Hai Yen, A Two-Step Proximal Point Algorithm for Nonconvex Equilibrium Problems with Applications to Fractional Programming, Journal of Global Optimization, Volume 90, pages 755–779, (2024) (2024)
  3. 3. F. Lara, R. T. Marcavillaca, Le Hai Yen, An extragradient projection method for strongly quasiconvex equilibrium problems with applications, Computational and Applied Mathematics, Volume 43 (2024), article number 128 (2024)
  4. 4. Le Hai Yen, Le Dung Muu, A parallel subgradient projection algorithm for quasiconvex equilibrium problems under the intersection of convex sets, Optimization 71 (2022), no. 15, 4447–4462, (2022)
  5. 5. Le Hai Yen, Le Dung Muu, A subgradient method for equilibrium problems involving quasiconvex bifunctions, Operations Research Letter 48 (2020), 579-583 (2020)
  6. 6. Le Hai Yen, Nguyen Thi Thanh Huyen, Le Dung Muu, A subgradient algorithm for a class of nonlinear split feasibility problems: application to jointly constrained Nash equilibrium models, Journal of Global Optimization 73 (2019), 849–868 (2019)
  7. 7. Le Hai Yen, Vu Ngoc Phat, Stability analysis of linear polytopic descriptor systems using a novel copositive matrix approach, IEEE Trans. Auto. Control., Vol. 64, No11, 4684-4690, 2019 (2019)
  8. 8. Le 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 (2016)
  9. 9. Jean-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 (2015)
  10. 10. Le Hai Yen, Generalized subdifferentials of the rank function, Optimization Letters, 7:731–743 (2013). (2013)
  11. 11. Jean-Baptiste Hiriart-Urruty, Le Hai Yen, A variational approach of the rank function, TOP, 21:207–240 (2013) (2013)
  12. 12. Jean-Baptiste Hiriart-Urruty, Le Hai Yen, From Eckart-Young approximation to Moreau envelopes and vice versa, RAIRO - Operations Research, 47:299–310 (2013) (2013)
  13. 13. Le Hai Yen, Convexifying the counting function on Rp for convexifying the rank function on Mm,n(R), Journal of Convex Analysis, 19(2), 519--524 (2012). (2012)
  14. 14. Jean-Baptiste Hiriart-Urruty, Le Hai Yen, Convexifying the set of matrices of bounded rank: applications to the quasiconvexification and convexification of the rank function, Optimization Letters, 6:841–849 (2012) (2012)