O. Abdollahi, S. Karami and J. Rooin, New unitary equivalences forsome operator matrices with applications, Linear and Multilinear Algebra(2022), DOI: 10.1080/03081087.2022.2092046, IF: 1.178, Q:2.

S. Karami and A. Salemi, Polynomial numerical hulls of the direct sum oftwo Jordan blocks, Linear Algebra and its Application (2020) 585:209–226, IF: 1.401, Q:1.

J. Rooin, S. Karami and M. Ghaderi Aghideh, A new approch to numerical radius of quadratic operators, Annals of Functional Analysis (2020)11:879–896, IF: 0.993, Q:2.

S. Karami and A. Salemi, Polynomial numerical hulls of the direct sumof a normal matrix and a Jordan block, Linear Algebra and its Application(2015) 465:143–160, IF: 1.401, Q:1.

S. Karami, F. Saberi-Movahed, P. Tiwari and P. Marttinen, Unsupervised Feature Selection Based on Variance-Covariance Subspace Distance (Underreview)

S. Karami, An upper bound for the maximum eigenvalue of nonnegative symmetric Toeplitz matrices (Under review)

O. Abdollahi,S. Karami, J. Rooin and M.H. Sattari, Unitary equivalences for k-circulant operator matrices with applications (Under review)

Z. Rezaei,S. Karami and Z. Dadi, Comparison of the Euler and adaptive Runge-Kutta methods for solving a human T-cell lymphotropic virus typeI, First Annual National Conference on Biomathematics, 12-13 March 2019,University of Neyshabur, Iran.

S. Karami, Polynomial numerical hulls of the direct sum of matrices, Korea-China International Conference on Matrix Theory with Applica-tions, 14-17 December 2017, Sungkyunkwan University, Korea.

K. Nedaiasl, S. Karami and D. Rahmani, Local and spectral approxima-tions of time-dependent coefficient diffusion equations, The 47nd Annual Iranian Mathematics Conference, 28-31 August 2017, Kharazmi University,Iran.

S. Karami, Some Results on Polynomial numerical hull of degree n-1, 9thSeminar on Linear Algebra and its Application, University of Tabriz,Iran, 2017, 5-6 July.

S. Karami, Is the origin included in the polynomial numerical hullsof direct sum of two Jordan blocks, 10th Seminar on Linear Algebra andits Application, Shahid Bahonar University of Kerman, Iran, 2020 16-19 August.