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Operators and Matrices

Volume: 18

Year: 2024

Articles

Issue: 1 (March, 2024)
Article number / DOI Authors / Title Pages Abstract Article
18-01 Hang Zhou: Hyponormality of specific unbounded product of densely defined composition operators in L2 spaces 1–22 View View
18-02 Yuqiu Sheng, Wende Liu, Xingxue Miao: Lie superalgebras based on 𝔰𝔩(2,𝔽) 23–36 View View
18-03 Johanns de Andrade Bezerra: Remarks on the product of two projections 37–52 View View
18-04 Jian-Zhong Xiao, Feng-Qin Zhu: The Aleksandrov problem and the Tingley problem for expansive and nonexpansive operators in p-normed spaces 53–67 View View
18-05 Saeedatossadat Nourbakhsh, Mahmoud Hassani, Mohsen Erfanian Omidvar, Hamid Reza Moradi: Inner product inequalities through Cartesian decomposition with applications to numerical radius inequalities 69–81 View View
18-06 Messaoud Guesba, Pintu Bhunia, Kallol Paul: Berezin number inequalities via positivity of 2 × 2 block matrices 83–95 View View
18-07 R. Balaji, Vinayak Gupta: On distance Laplacian matrices of weighted trees 97–114 View View
18-08 Zuowei Zhang, Xia Zhao: The inheritance of m-comparison from the containing C*-algebra to a large subalgebra 115–127 View View
18-09 Messaoud Guesba, Mohammad Sababheh: On the Berezin number of operator matrices 129–146 View View
18-10 Anuradha Gupta, Amita Aggarwal: Hyponormality of the sum of Toeplitz operators with non-harmonic symbol on the Fock space 147–162 View View
18-11 Wenhua Qian, Dandan Xiao, Tanghong Tao, Wenming Wu, Xin Yi: Joint spectrum shrinking maps on projections 163–172 View View
18-12 Huanyin Chen, Marjan Sheibani Abdolyousefi: Generalized core inverse in Banach ∗-algebras 173–189 View View
18-13 Albrecht Seelmann: Relative residual bounds for eigenvalues in gaps of the essential spectrum 191–203 View View
18-14 Debendra P. Banjade, Amy Chambers, Menassie Ephrem: On singularities of labeled graph C*-algebras 205–234 View View
18-15 Vali M. Kurbanov, Elchin J. Ibadov: On the properties of the systems of root vector functions of Dirac-type operator with summable potential 235–256 View View
18-16 Mohammad Sababheh, Ibrahim Halil Gümüş, Hamid Reza Moradi: Further properties of PPT and (α,β)-normal matrices 257–271 View View
Issue: 2 (June, 2024)
Article number / DOI Authors / Title Pages Abstract Article
18-17 Yang Liu: On minimal smallest singular value of subframes for signal recovery 273–293 View View
18-18 M. Khokulan, K. Thirulogasanthar: Perturbation of continuous frames on quaternionic Hilbert spaces 295–317 View View
18-19 Xiuwen Yang, Ligong Wang, Weige Xi: On the Aα spectral radius and Aα energy of non-strongly connected digraphs 319–333 View View
18-20 Yanling Mao, Guoxing Ji: On Ando-Hiai type inequalities for sectorial matrices 335–342 View View
18-21 Arnab Patra, Falguni Roy: On the estimation of q-numerical radius of Hilbert space operators 343–359 View View
18-22 H. Ardakani, Kh. Amjadi: Positively limited p-convergent and weak* positively p-convergent operators 361–374 View View
18-23 Mohamed Chraibi Kaadoud, Somayya Moulaharabbi: q-numerical radius inequalities for product of complex linear bounded operators 375–388 View View
18-24 Ezzine Faten, Mohamed Ali Hammami, Walid Hdidi: Stability analysis of time--invariant perturbed singular systems 389–407 View View
18-25 Hamid Nkhaylia: Multiplicatively numerical range-preserving maps 409–426 View View
18-26 Eungil Ko, Yoonkyeong Lee: The operator equation AXB=X and the Fuglede-Putnam type property 427–440 View View
18-27 Ulaş Yamancı, Messaoud Guesba, Duygu Uslu: Some novel inequalities for Berezin number of operators 441–455 View View
18-28 Benjamin Cahen: Complex Weyl symbols of the extended metaplectic representation operators 457–477 View View
18-29 Sasmita Patnaik, Sanehlata, Gary Weiss: Singly generated selfadjoint-ideal operator semigroups: spectral density of the generator and simplicity 479–522 View View
Issue: 3 (September, 2024)
Article number / DOI Authors / Title Pages Abstract Article
18-30 Himadri Lal Das: Dense subset of matrices having eigenvalues and singular values with minimum number of repetition 523–533 View View
18-31 Rytis Juršėnas: The peak model for finite rank supersingular perturbations 535–557 View View
18-32 Behrooz Fadaee, Hoger Ghahramani: On Lie triple centralizers of von Neumann algebras 559–570 View View
18-33 Pabitra Kumar Jena, Badal Sahoo: Core inverse of operators in Hilbert spaces 571–582 View View
18-34 Changjing Li, Xiaoyi Li, Jingxuan Wang: Nonlinear skew Lie type higher derivations on some operator algebras 583–602 View View
18-35 Fen Wang: An elementary proof of a Hlawka type inequality 603–610 View View
18-36 R. Balaji, Gargi Lather, Hiroshi Kurata, Vinayak Gupta: A special property of resistance matrices 611–621 View View
18-37 Liyi Zheng, Yaoping Zhao, Xin Zou, Zhongxun Zhu: The spectral radii on uniform tricyclic hypergraphs 623–640 View View
18-38 Thomas Kappeler, Jürg Kramer: On number theoretic properties of the KdV frequencies 641–663 View View
18-39 Jiming Shen, Yixin Yang: The complete Nevanlinna-Pick property for Beurling type quotient modules over the bidisk 665–676 View View
18-40 Muqile Gao, Deyu Wu, Alatancang Chen: Bounds for the eigenvalues of non-monic operator polynomials 677–691 View View
18-41 Emre Taştüner, Murat Hayrettin Yurdakul: Continuity between some special Köthe spaces 693–696 View View
18-42 Dušica Dmitrović: Norm of composition operator on mixed norm spaces 697–710 View View
18-43 Akira Yamada: Oppenheim-Schur's inequality and RKHS 711–733 View View
18-44 Panchugopal Bikram, Diptesh Saha: Weighted subsequential ergodic theorems on Orlicz spaces 735–751 View View
18-45 Elena Rubei: Maximal dimension of affine subspaces of specific matrices 753–761 View View
18-46 Zhidong Huang, Yousef Estaremi, Saeedeh Shamsigamchi: Quasi-normal and quasi-isometry WCT operators and their algebras 763–775 View View