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Staff Dr. Seyedehsomayeh Hosseini

Ms. Hosseini has left the institute. This page is no longer maintained.

Contact Information

E-Mail: ed tod nnob-inu tod sni ta iniessoha tod b@foo tod de

Teaching

Winter semester 2017/18

Summer semester 2017

Winter semester 2016/17

See teaching activities of the whole group.

Current Research Projects

Publications

  1. A collection of nonsmooth Riemannian optimization problems. P.-A. Absil and S. Hosseini. INS Preprint No. 1713, sep 2017. BibTeX PDF
  2. Pseudo-Jacobian and characterization of monotone vector fields on Riemannian manifolds. E. Ghahraei, S. Hosseini, and M. R. Pouryayevali. J. Convex Anal., 2017. BibTeX PDF Link
  3. Tangent and normal cones for low-rank matrices. S. Hosseini, D. R. Luke, and A. Uschmajew. INS Preprint No. 1715, oct 2017. BibTeX PDF
  4. A Riemannian gradient sampling algorithm for nonsmooth optimization on manifolds. S. Hosseini and A. Uschmajew. SIAM J. Optim., 27(1):173–189, 2017. BibTeX PDF Publisher
  5. Pseudo-Jacobian and and global inversion of nonsmooth mappings on Riemannian manifolds. E. Ghahraei, S. Hosseini, and M. R. Pouryayevali. Nonlinear Anal., 130:229–240, 2016. BibTeX Publisher
  6. Nonsmooth trust region algorithms for locally Lipschitz functions on Riemannian manifolds. P. Grohs and S. Hosseini. IMA J. Numer. Anal., 36(3):1167–1192, 2016. BibTeX PDF Publisher
  7. ε\varepsilon -subgradient algorithms for locally Lipschitz functions on Riemannian manifolds. P. Grohs and S. Hosseini,. Adv. Comput. Math., 42(2):333–360, 2016. BibTeX PDF Publisher
  8. Line search algorithms for locally Lipschitz functions on Riemannian manifolds. S. Hosseini, W. Huang, and R. Yousefpour. INS Preprint No. 1626. Revised version, August 2017, nov 2016. BibTeX PDF
  9. Equilibria on L-retracts in Riemannian manifolds. S. Hosseini and M. R. Pouryayevali. Topol. Methods Nonlinear Anal., 47(2):579–592, 2016. BibTeX PDF Publisher
  10. Characterization of lower semicontinuous convex functions on Riemannian manifolds. S. Hosseini. Set-Valued Var. Anal., 2016. In press. BibTeX PDF Publisher
  11. A gradient sampling method on algebraic varieties and application to nonsmooth low-rank optimization. S. Hosseini and A. Uschmajew. INS Preprint No. 1624. Extended and revised version, March 2017, oct 2016. BibTeX PDF
  12. Convergence of nonsmooth descent methods via Kurdyka–Łojasiewicz inequality on Riemannian manifolds. S. Hosseini. INS Preprint No. 1523. Revised version, July 2017, nov 2015. BibTeX PDF
  13. Optimality conditions for global minima of nonconvex functions on Riemannian manifolds. S. Hosseini. Accepted in Pac. J. Optim., 2015. BibTeX PDF
  14. On the density theorem for the subdifferential of convex functions on Hadamard spaces. M. Movahedi, D. Behmardi, and S. Hosseini. Pacific J. Math., 276(2):437–447, 2015. BibTeX PDF Publisher
  15. On the calculus of limiting subjets on Riemannian manifolds. M. Alavi Hejazi, S. Hosseini, and M. R. Pouryayevali. Mediterr. J. Math., 10(1):593–607, 2013. BibTeX PDF Publisher
  16. On the metric projection onto φ-convex subsets of Hadamard manifolds. A. Barani, S. Hosseini, and M. R. Pouryayevali. Rev. Mat. Complut., 26(2):815–826, 2013. BibTeX PDF Publisher
  17. Symmetric spaces as Grassmannians. J. H. Eschenburg and S. Hosseini. Manuscripta Math., 141(1-2):51–62, 2013. BibTeX PDF Publisher
  18. Euler characteristic of epi-Lipschitz subsets of Riemannian manifolds. S. Hosseini and M. R. Pouryayevali. J. Convex Anal., 20(1):67–91, 2013. BibTeX PDF Link
  19. Nonsmooth optimization techniques on Riemannian manifolds. S. Hosseini and M. R. Pouryayevali. J. Optim. Theory Appl., 158(2):328–342, 2013. BibTeX PDF Publisher
  20. On the metric projection onto prox-regular subsets of Riemannian manifolds. S. Hosseini and M. R. Pouryayevali. Proc. Amer. Math. Soc., 141(1):233–244, 2013. BibTeX PDF Publisher
  21. Generalized gradients and characterization of epi-Lipschitz sets in Riemannian manifolds. S. Hosseini and M. R. Pouryayevali. Nonlinear Anal., 74(12):3884–3895, 2011. BibTeX PDF Publisher