We are improving our search experience. To check which content you have full access to, or for advanced search, go back to the old search.

Search

Please fill in this field.
Filters applied:

Search Results

Showing 1-20 of 9,619 results
  1. Computational Complexity of Decomposing a Symmetric Matrix as a Sum of Positive Semidefinite and Diagonal Matrices

    We study several variants of decomposing a symmetric matrix into a sum of a low-rank positive-semidefinite matrix and a diagonal matrix. Such...

    Levent Tunçel, Stephen A. Vavasis, **gye Xu in Foundations of Computational Mathematics
    Article 08 December 2023
  2. Partial trace inequalities for partial transpose of positive semidefinite block matrices

    Li (Algebra 71:2823–2838, 2023) recently obtained several improvements on some partial trace inequalities for positive semidefinite block matrices....

    Junjian Yang, Huan Xu in Positivity
    Article 14 March 2024
  3. A generalized relaxed block positive-semidefinite splitting preconditioner for generalized saddle point linear system

    In this paper, based on the block positive-semidefinite splitting (BPS) preconditioner studied recently and the relaxation technique, a generalized...

    Jun Li, Lingsheng Meng, Shu-**n Miao in Indian Journal of Pure and Applied Mathematics
    Article 20 June 2024
  4. New Hilbert–Schmidt norm inequalities for positive semidefinite matrices

    Let A and B be positive semidefinite matrices, and let X be any matrix. As a generalization of an earlier Hilbert–Schmidt norm inequality, we prove...

    Mostafa Hayajneh, Saja Hayajneh, Fuad Kittaneh in Advances in Operator Theory
    Article 09 February 2023
  5. Graph coloring and semidefinite rank

    This paper considers the interplay between semidefinite programming, matrix rank, and graph coloring. Karger et al. (J ACM 45(2):246–265, 1998) give...

    Renee Mirka, Devin Smedira, David P. Williamson in Mathematical Programming
    Article 24 April 2024
  6. A Unitarily Invariant Norm Inequality for Positive Semidefinite Matrices and a Question of Bourin

    In this article, we obtain a new unitarily invariant norm inequality for positive semidefinite matrices. In fact, we prove that if A and B are...

    Mostafa Hayajneh, Saja Hayajneh, Fuad Kittaneh in Results in Mathematics
    Article 08 June 2023
  7. IPRSDP: a primal-dual interior-point relaxation algorithm for semidefinite programming

    We propose an efficient primal-dual interior-point relaxation algorithm based on a smoothing barrier augmented Lagrangian, called IPRSDP, for solving...

    Rui-** Zhang, **n-Wei Liu, Yu-Hong Dai in Computational Optimization and Applications
    Article 21 February 2024
  8. Remarks on a Question of Bourin for Positive Semidefinite Matrices

    Mostafa Hayajneh, Saja Hayajneh, Fuad Kittaneh in Results in Mathematics
    Article 28 February 2023
  9. Singular value inequalities for convex functions of positive semidefinite matrices

    Ahmad Al-Natoor, Omar Hirzallah, Fuad Kittaneh in Annals of Functional Analysis
    Article 18 November 2022
  10. New semidefinite relaxations for a class of complex quadratic programming problems

    In this paper, we propose some new semidefinite relaxations for a class of nonconvex complex quadratic programming problems, which widely appear in...

    Yingzhe Xu, Cheng Lu, ... Ya-Feng Liu in Journal of Global Optimization
    Article 08 May 2023
  11. Second-order cone and semidefinite methods for the bisymmetric matrix approximation problem

    Approximating the closest positive semi-definite bisymmetric matrix using the Frobenius norm to a data matrix is important in many engineering...

    Suliman Al-Homidan in Arabian Journal of Mathematics
    Article Open access 23 August 2022
  12. Further unitarily invariant norm inequalities for positive semidefinite matrices

    In this paper, we prove further unitarily invariant norm inequalities for positive semidefinite matrices. These inequalities generalize earlier...

    Ahmad Al-Natoor, Fuad Kittaneh in Positivity
    Article 17 February 2022
  13. A Predictor-Corrector Algorithm for Semidefinite Programming that Uses the Factor Width Cone

    We propose an interior point method (IPM) for solving semidefinite programming problems (SDPs). The standard interior point algorithms used to solve...

    Felix Kirschner, Etienne de Klerk in Vietnam Journal of Mathematics
    Article Open access 11 April 2024
  14. A simple proof of second-order sufficient optimality conditions in nonlinear semidefinite optimization

    In this note, we present an elementary proof for a well-known second-order sufficient optimality condition in nonlinear semidefinite optimization...

    Patrick Mehlitz in Optimization Letters
    Article Open access 27 June 2023
  15. A semidefinite programming approach for the projection onto the cone of negative semidefinite symmetric tensors with applications to solid mechanics

    We propose an algorithm for computing the projection of a symmetric second-order tensor onto the cone of negative semidefinite symmetric tensors with...

    Cristina Padovani, Margherita Porcelli in Calcolo
    Article Open access 04 September 2022
  16. A stabilized sequential quadratic semidefinite programming method for degenerate nonlinear semidefinite programs

    In this paper, we propose a new sequential quadratic semidefinite programming (SQSDP) method for solving degenerate nonlinear semidefinite programs...

    Yuya Yamakawa, Takayuki Okuno in Computational Optimization and Applications
    Article 16 September 2022
  17. A Semidefinite Relaxation Method for Linear and Nonlinear Complementarity Problems with Polynomials

    This paper considers semidefinite relaxation for linear and nonlinear complementarity problems. For some particular copositive matrices and tensors,...

    Article 15 June 2023
  18. Norm inequalities for positive semidefinite matrices and a question of Bourin III

    Mostafa Hayajneh, Saja Hayajneh, ... Imane Lebaini in Positivity
    Article 23 February 2022
Did you find what you were looking for? Share feedback.