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Operators and Matrices Volume 18

Issue 1

3/2024

Hang Zhou
Hyponormality of specific unbounded product of densely defined composition operators in L2 spaces
18-01 Pages 1-22
Abstract Article page
Yuqiu Sheng, Wende Liu, Xingxue Miao
Lie superalgebras based on 𝔰𝔩(2,𝔽)
18-02 Pages 23-36
Abstract Article page
Johanns de Andrade Bezerra
Remarks on the product of two projections
18-03 Pages 37-52
Abstract Article page
Jian-Zhong Xiao, Feng-Qin Zhu
The Aleksandrov problem and the Tingley problem for expansive and nonexpansive operators in p-normed spaces
18-04 Pages 53-67
Abstract Article page
Saeedatossadat Nourbakhsh, Mahmoud Hassani, Mohsen Erfanian Omidvar, Hamid Reza Moradi
Inner product inequalities through Cartesian decomposition with applications to numerical radius inequalities
18-05 Pages 69-81
Abstract Article page
Messaoud Guesba, Pintu Bhunia, Kallol Paul
Berezin number inequalities via positivity of 2 × 2 block matrices
18-06 Pages 83-95
Abstract Article page
R. Balaji, Vinayak Gupta
On distance Laplacian matrices of weighted trees
18-07 Pages 97-114
Abstract Article page
Zuowei Zhang, Xia Zhao
The inheritance of m-comparison from the containing C*-algebra to a large subalgebra
18-08 Pages 115-127
Abstract Article page
Messaoud Guesba, Mohammad Sababheh
On the Berezin number of operator matrices
18-09 Pages 129-146
Abstract Article page
Anuradha Gupta, Amita Aggarwal
Hyponormality of the sum of Toeplitz operators with non-harmonic symbol on the Fock space
18-10 Pages 147-162
Abstract Article page
Wenhua Qian, Dandan Xiao, Tanghong Tao, Wenming Wu, Xin Yi
Joint spectrum shrinking maps on projections
18-11 Pages 163-172
Abstract Article page
Huanyin Chen, Marjan Sheibani Abdolyousefi
Generalized core inverse in Banach ∗-algebras
18-12 Pages 173-189
Abstract Article page
Albrecht Seelmann
Relative residual bounds for eigenvalues in gaps of the essential spectrum
18-13 Pages 191-203
Abstract Article page
Debendra P. Banjade, Amy Chambers, Menassie Ephrem
On singularities of labeled graph C*-algebras
18-14 Pages 205-234
Abstract Article page
Vali M. Kurbanov, Elchin J. Ibadov
On the properties of the systems of root vector functions of Dirac-type operator with summable potential
18-15 Pages 235-256
Abstract Article page
Mohammad Sababheh, Ibrahim Halil Gümüş, Hamid Reza Moradi
Further properties of PPT and (α,β)-normal matrices
18-16 Pages 257-271
Abstract Article page